From 72eda9a24f815f6d566818cbf8518138e29d83e9 Mon Sep 17 00:00:00 2001
From: twitter-team <>
Date: Fri, 7 Jul 2023 14:01:54 -0700
Subject: [PATCH] [opensource] Update home mixer with latest changes

---
 home-mixer/README.md                          |   3 +-
 .../scala/com/twitter/home_mixer/BUILD.bazel  |   5 +
 .../HomeMixerHttpServerWarmupHandler.scala    |   2 +-
 .../twitter/home_mixer/HomeMixerServer.scala  |  34 ++-
 .../HomeMixerThriftServerWarmupHandler.scala  |   2 +-
 .../home_mixer/candidate_pipeline/BUILD.bazel |  10 -
 ...sationServiceCandidatePipelineConfig.scala |  25 +-
 ...erviceCandidatePipelineConfigBuilder.scala |   8 +-
 .../EditedTweetsCandidatePipelineConfig.scala |   2 +-
 .../twitter/home_mixer/controller/BUILD.bazel |   3 -
 .../controller/HomeThriftController.scala     |   1 +
 .../twitter/home_mixer/federated/BUILD.bazel  |  24 ++
 .../federated/HomeMixerColumn.scala           | 217 +++++++++++++++
 .../candidate_source/BUILD.bazel              |   3 -
 .../decorator/BUILD.bazel                     |   6 +-
 ...onversationServiceCandidateDecorator.scala |   2 +
 .../decorator/builder/BUILD.bazel             |   5 +-
 .../HomeAdsClientEventDetailsBuilder.scala    |   2 +-
 .../HomeClientEventDetailsBuilder.scala       |   2 +-
 .../HomeTimelinesScoreInfoBuilder.scala       |   2 +-
 .../HomeTweetTypePredicates.scala             | 163 +++++++-----
 .../ListClientEventDetailsBuilder.scala       |   4 +-
 .../AuthorChildFeedbackActionBuilder.scala    |   3 +-
 .../decorator/urt/builder/BUILD.bazel         |   7 +
 .../BlockUserChildFeedbackActionBuilder.scala |   3 +-
 .../DontLikeFeedbackActionBuilder.scala       |   3 +-
 .../EngagerSocialContextBuilder.scala         |   2 +-
 .../ExtendedReplySocialContextBuilder.scala   |   2 +-
 .../urt/builder/FeedbackStrings.scala         |  18 ++
 .../{ => urt/builder}/FeedbackUtil.scala      |   2 +-
 .../FollowedBySocialContextBuilder.scala      |   2 +-
 .../HomeFeedbackActionInfoBuilder.scala       |   3 +-
 .../HomeTweetSocialContextBuilder.scala       |  10 +-
 ...WhoToFollowFeedbackActionInfoBuilder.scala |   6 +-
 ...ToSubscribeFeedbackActionInfoBuilder.scala |  52 ++++
 .../LikedBySocialContextBuilder.scala         |   2 +-
 .../builder/ListsSocialContextBuilder.scala   |  50 ++++
 .../MuteUserChildFeedbackActionBuilder.scala  |   3 +-
 ...InterestedTopicFeedbackActionBuilder.scala |   3 +-
 ...otRelevantChildFeedbackActionBuilder.scala |   3 +-
 ...opularInYourAreaSocialContextBuilder.scala |  43 +++
 .../PopularVideoSocialContextBuilder.scala}   |  32 ++-
 .../ReceivedReplySocialContextBuilder.scala   |   2 +-
 ...eportTweetChildFeedbackActionBuilder.scala |   3 +-
 .../RetweeterChildFeedbackActionBuilder.scala |   3 +-
 .../builder}/TopicSocialContextBuilder.scala  |   2 +-
 ...followUserChildFeedbackActionBuilder.scala |   3 +-
 .../feature_hydrator/BUILD.bazel              |  45 +---
 .../FeedbackHistoryQueryFeatureHydrator.scala |   8 +-
 .../FollowedTopicsQueryFeatureHydrator.scala  |  41 ---
 ...GizmoduckAuthorSafetyFeatureHydrator.scala |  58 ----
 ...ssionBloomFilterQueryFeatureHydrator.scala |  45 ++--
 .../InNetworkFeatureHydrator.scala            |  41 +++
 ...PersistenceStoreQueryFeatureHydrator.scala |  29 +-
 ...FilteredSocialContextFeatureHydrator.scala |   7 +-
 ...hInNetworkScoresQueryFeatureHydrator.scala |   6 +-
 .../RequestQueryFeatureHydrator.scala         |  17 +-
 ...SGSFollowedUsersQueryFeatureHydrator.scala |  46 ----
 ...SGSValidSocialContextFeatureHydrator.scala |   4 +-
 .../SocialGraphServiceFeatureHydrator.scala   |  67 -----
 .../TSPInferredTopicFeatureHydrator.scala     | 162 -----------
 .../TimeFeaturesHydrator.scala                | 251 ------------------
 ...TweetImpressionsQueryFeatureHydrator.scala |   4 +-
 .../TweetypieFeatureHydrator.scala            |  47 +++-
 .../AuthorFeaturesAdapter.scala               |  59 ----
 .../Phase2EdgeAggregateFeatureHydrator.scala  |  22 --
 .../functional_component/filter/BUILD.bazel   |   3 +
 .../filter/FeedbackFatigueFilter.scala        |   2 +-
 .../InvalidSubscriptionTweetFilter.scala      |  70 +++++
 .../filter/PredicateFeatureFilter.scala       |  59 ----
 ...PreviouslyServedTweetPreviewsFilter.scala} |  20 +-
 .../filter/ReplyFilter.scala                  |  32 +++
 .../filter/RetweetFilter.scala                |  32 +++
 .../functional_component/gate/BUILD.bazel     |   1 -
 .../gate/DismissFatigueGate.scala             |   8 +-
 .../gate/NonEmptySeqFeatureGate.scala         |  18 --
 ...etsCandidatePipelineQueryTransformer.scala |   6 +-
 .../functional_component/scorer/BUILD.bazel   |   1 -
 .../scorer/FeedbackFatigueScorer.scala        |  76 +++---
 .../scorer/VerifiedAuthorScalingScorer.scala  |  61 -----
 .../functional_component/selector/BUILD.bazel |   1 +
 .../UpdateHomeClientEventDetails.scala        |   2 +-
 .../side_effect/BUILD.bazel                   |   8 +-
 .../side_effect/ClientEventsBuilder.scala     |  14 +-
 .../HomeScribeClientEventSideEffect.scala     |  27 +-
 ...HomeScribeServedCandidatesSideEffect.scala | 245 +++++++++++++++++
 .../HomeScribeServedEntriesSideEffect.scala   | 212 ---------------
 ...entSentImpressionsEventBusSideEffect.scala |   3 +
 ...lishImpressionBloomFilterSideEffect.scala} |  47 ++--
 .../side_effect/ServedStatsSideEffect.scala   |  80 ------
 ...eTimelinesPersistenceStoreSideEffect.scala |  28 +-
 .../home_mixer/marshaller/request/BUILD.bazel |   2 -
 .../HomeMixerProductContextUnmarshaller.scala |  18 +-
 .../HomeMixerProductUnmarshaller.scala        |   5 +-
 .../ConversationEntryMarshaller.scala         |  16 --
 ...a => PromotedTweetDetailsMarshaller.scala} |  14 +-
 .../TweetDetailsMarshaller.scala              |  47 ++++
 .../TweetEntryMarshaller.scala                |  29 --
 ...ala => WhoToFollowDetailsMarshaller.scala} |  10 +-
 .../marshaller/timelines/BUILD.bazel          |   5 -
 .../com/twitter/home_mixer/model/BUILD.bazel  |   9 +-
 .../home_mixer/model/ContentFeatures.scala    |  48 ++++
 .../home_mixer/model/HomeFeatures.scala       |  99 +++++--
 .../home_mixer/model/request/BUILD.bazel      |   1 -
 .../model/request/HomeMixerProduct.scala      |   5 +
 .../request/HomeMixerProductContext.scala     |  14 +-
 .../com/twitter/home_mixer/module/BUILD.bazel |   3 +
 .../module/BlenderClientModule.scala          |  41 +++
 .../module/FeedbackHistoryClientModule.scala  |   8 +
 .../module/HomeMixerFlagsModule.scala         |  10 +-
 .../module/ImpressionBloomFilterModule.scala  |  25 +-
 .../module/ManhattanClientsModule.scala       |  33 +--
 .../ManhattanFeatureRepositoryModule.scala    | 149 ++++++-----
 .../ManhattanTweetImpressionStoreModule.scala |   8 +-
 .../MemcachedFeatureRepositoryModule.scala    |  34 +--
 ...dule.scala => NaviModelClientModule.scala} |   8 +-
 .../module/OptimizedStratoClientModule.scala  |   4 +-
 .../PipelineFailureExceptionMapper.scala      |   2 +-
 ...timeAggregateFeatureRepositoryModule.scala |  46 +---
 .../module/ScoredTweetsMemcacheModule.scala   |  26 +-
 .../module/ScribeEventPublisherModule.scala   |  98 ++-----
 .../module/StaleTweetsCacheModule.scala       |   1 +
 .../ThriftFeatureRepositoryModule.scala       |  30 +--
 ...imelinesPersistenceStoreClientModule.scala |  18 +-
 .../module/TopicSocialProofClientModule.scala |  22 ++
 .../module/TweetyPieClientModule.scala        |  26 +-
 ...typieStaticEntitiesCacheClientModule.scala |   1 +
 .../module/UserMetadataStoreModule.scala      |  26 --
 .../param/HomeGlobalParamConfig.scala         |  16 +-
 .../home_mixer/param/HomeGlobalParams.scala   |  64 ++---
 .../home_mixer/param/HomeMixerFlagName.scala  |   3 +-
 .../param/HomeMixerInjectionNames.scala       |   9 +-
 .../home_mixer/param/decider/DeciderKey.scala |  34 ++-
 .../twitter/home_mixer/product/BUILD.bazel    |   2 +
 .../HomeProductPipelineRegistryConfig.scala   |  10 +-
 .../home_mixer/product/following/BUILD.bazel  |   6 +-
 ...FollowingAdsCandidatePipelineBuilder.scala |  12 +-
 ...wingEarlybirdCandidatePipelineConfig.scala |   4 +-
 .../FollowingEarlybirdQueryTransformer.scala  |   4 +-
 .../FollowingMixerPipelineConfig.scala        |  59 ++--
 ...ollowCandidatePipelineConfigBuilder.scala} |   2 +-
 .../following/model/FollowingQuery.scala      |   1 +
 .../model/HomeMixerExternalStrings.scala      |  21 ++
 .../home_mixer/product/for_you/BUILD.bazel    |  16 +-
 .../ForYouAdsCandidatePipelineBuilder.scala   |   2 +-
 ...AdsDependentCandidatePipelineBuilder.scala | 111 ++++++++
 ...sationServiceCandidatePipelineConfig.scala |  21 +-
 .../for_you/ForYouProductPipelineConfig.scala |  25 +-
 .../ForYouPushToHomeMixerPipelineConfig.scala |  74 ++++++
 ...shToHomeTweetCandidatePipelineConfig.scala |  81 ++++++
 ...uScoredTweetsCandidatePipelineConfig.scala |  37 +--
 ...orYouScoredTweetsMixerPipelineConfig.scala |  97 +++++--
 ...oredTweetsResponseFeatureTransformer.scala |  37 ++-
 ...imelineScorerCandidatePipelineConfig.scala |  28 +-
 ...YouTimelineScorerMixerPipelineConfig.scala | 105 ++++++--
 ...lineScorerResponseFeatureTransformer.scala |  20 +-
 ...TweetPreviewsCandidatePipelineConfig.scala | 143 ++++++++++
 ...FollowCandidatePipelineConfigBuilder.scala |  19 +-
 ...scribeCandidatePipelineConfigBuilder.scala |  52 ++++
 .../for_you/candidate_source/BUILD.bazel      |   3 +-
 .../ScoredTweetsProductCandidateSource.scala  |  40 ++-
 ...AuthorEnabledPreviewsFeatureHydrator.scala |  72 +++++
 .../for_you/feature_hydrator/BUILD.bazel      |  28 ++
 .../FocalTweetFeatureHydrator.scala           |   2 +-
 ...ineServiceTweetsQueryFeatureHydrator.scala |   5 +-
 ...iewTweetypieCandidateFeatureHydrator.scala |  72 +++++
 .../product/for_you/filter/BUILD.bazel        |  15 ++
 .../for_you/filter/SocialContextFilter.scala  |  76 ++++++
 .../filter/TweetPreviewTextFilter.scala       |  44 +++
 .../functional_component/gate/BUILD.bazel     |  13 +
 .../gate/PushToHomeRequestGate.scala          |  16 ++
 .../product/for_you/model/ForYouQuery.scala   |   4 +-
 .../product/for_you/param/ForYouParam.scala   | 118 +++++++-
 .../for_you/param/ForYouParamConfig.scala     |  37 ++-
 .../for_you/query_transformer/BUILD.bazel     |  16 ++
 .../TweetPreviewsQueryTransformer.scala       |  92 +++++++
 .../for_you/response_transformer/BUILD.bazel  |  13 +
 ...eetPreviewResponseFeatureTransformer.scala |  32 +++
 .../product/for_you/scorer/BUILD.bazel        |  10 +
 .../product/for_you/side_effect/BUILD.bazel   |  24 ++
 ...dCandidateFeatureKeysKafkaSideEffect.scala |   4 +-
 ...ateFeatureKeysKafkaSideEffectBuilder.scala |   2 +-
 .../ServedCandidateKafkaSideEffect.scala      |   2 +-
 .../ServedCandidateKeysKafkaSideEffect.scala  |   4 +-
 ...dCandidateKeysKafkaSideEffectBuilder.scala |   2 +-
 .../side_effect/ServedStatsSideEffect.scala   |  90 +++++++
 .../list_recommended_users/BUILD.bazel        |   6 +-
 .../BlenderUsersCandidatePipelineConfig.scala |  68 +++++
 ...ersCandidatePipelineQueryTransformer.scala |  49 ++++
 ...berBasedUsersCandidatePipelineConfig.scala |  33 ++-
 ...BasedUsersResponseFeatureTransfromer.scala |   2 +-
 ...tRecommendedUsersMixerPipelineConfig.scala |  33 ++-
 ...ecommendedUsersProductPipelineConfig.scala |  25 +-
 .../candidate_source/BUILD.bazel              |  13 +
 .../BlenderUsersCandidateSource.scala         |  45 ++++
 .../SimilarityBasedUsersCandidateSource.scala |  14 +-
 .../feature_hydrator/BUILD.bazel              |   1 -
 ...IsGizmoduckValidUserFeatureHydrator.scala} |  21 +-
 .../IsListMemberFeatureHydrator.scala         |   2 +-
 .../IsSGSValidUserFeatureHydrator.scala       |  65 +++++
 ...centListMembersQueryFeatureHydrator.scala} |  13 +-
 .../list_recommended_users/filter/BUILD.bazel |   2 +-
 ...axCandidatesByAggregatedScoreFilter.scala} |  18 +-
 .../filter/PreviouslyServedUsersFilter.scala  |   4 +-
 .../list_recommended_users/gate/BUILD.bazel   |  12 +
 .../gate/ViewerIsListOwnerGate.scala          |   2 +-
 ...ala => ListRecommendedUsersFeatures.scala} |   6 +-
 .../model/ListRecommendedUsersQuery.scala     |   3 +-
 .../product/list_tweets/BUILD.bazel           |   2 +
 ...istTweetsAdsCandidatePipelineBuilder.scala |   2 +-
 .../ListTweetsMixerPipelineConfig.scala       |  15 +-
 .../ListTweetsProductPipelineConfig.scala     |  36 +++
 ...melineServiceCandidatePipelineConfig.scala |   5 +
 .../product/list_tweets/decorator/BUILD.bazel |  15 ++
 ...onversationServiceCandidateDecorator.scala |   8 +-
 .../list_tweets/decorator/builder/BUILD.bazel |  10 +
 .../product/scored_tweets/BUILD.bazel         |  31 +--
 .../ScoredTweetsProductPipelineConfig.scala   |  16 +-
 ...edTweetsRecommendationPipelineConfig.scala | 192 ++++++++++----
 .../candidate_pipeline/BUILD.bazel            |  18 +-
 ...dScoredTweetsCandidatePipelineConfig.scala |   8 +-
 ...weetsBackfillCandidatePipelineConfig.scala |  94 +++++++
 ...oredTweetsFrsCandidatePipelineConfig.scala |   9 +-
 ...eetsInNetworkCandidatePipelineConfig.scala |  16 +-
 ...edTweetsListsCandidatePipelineConfig.scala |  86 ++++++
 ...PopularVideosCandidatePipelineConfig.scala |  82 ++++++
 ...tsTweetMixerCandidatePipelineConfig.scala} |  56 ++--
 ...redTweetsUtegCandidatePipelineConfig.scala |   7 +-
 .../candidate_pipeline/earlybird/BUILD.bazel  |  21 ++
 ...sEarlybirdFrsCandidatePipelineConfig.scala |  69 +++++
 ...birdInNetworkCandidatePipelineConfig.scala |  59 ++++
 .../candidate_source/BUILD.bazel              |   3 +-
 .../CachedScoredTweetsCandidateSource.scala   |   4 +-
 .../ListsCandidateSource.scala                |  27 ++
 .../AncestorFeatureHydrator.scala             |  19 +-
 .../AuthorFeatureHydrator.scala               |  53 ++--
 .../AuthorIsCreatorFeatureHydrator.scala      |  79 ++++++
 .../feature_hydrator/BUILD.bazel              |  51 +++-
 ...chedScoredTweetsQueryFeatureHydrator.scala |   7 +-
 .../EarlybirdFeatureHydrator.scala            |  54 ++--
 .../FrsSeedUsersQueryFeatureHydrator.scala    |   2 +-
 .../GizmoduckAuthorFeatureHydrator.scala      |  83 ++++++
 .../GraphTwoHopFeatureHydrator.scala          |  30 +--
 .../IsExtendedReplyFeatureHydrator.scala      |  45 ++++
 .../ListIdsQueryFeatureHydrator.scala         |  52 ++++
 ...ricCenterUserCountingFeatureHydrator.scala |  31 +--
 .../RealGraphQueryFeatureHydrator.scala       |   2 +-
 ...RealGraphViewerAuthorFeatureHydrator.scala |  10 +-
 ...aphViewerRelatedUsersFeatureHydrator.scala |  21 +-
 ...eInteractionGraphEdgeFeatureHydrator.scala |  31 +--
 ...nGraphUserVertexQueryFeatureHydrator.scala |   3 +-
 .../ReplyFeatureHydrator.scala                |  76 ++++--
 .../RequestTimeQueryFeatureHydrator.scala     | 122 +++++++++
 .../RetweetSourceTweetFeatureHydrator.scala   |   6 +-
 ...sEngagementSimilarityFeatureHydrator.scala |  18 +-
 .../SimClustersUserTweetScoresHydrator.scala  |  86 ++++++
 .../TSPInferredTopicFeatureHydrator.scala     | 148 +++++++++++
 .../TweetMetaDataFeatureHydrator.scala        |  13 +-
 .../TweetTimeFeatureHydrator.scala            | 112 ++++++++
 .../TweetypieContentFeatureHydrator.scala     |  67 +++--
 ...eetypieStaticEntitiesFeatureHydrator.scala |  14 +-
 .../TwhinAuthorFollowFeatureHydrator.scala}   |  61 ++---
 ...inUserEngagementQueryFeatureHydrator.scala |  56 ++--
 .../TwhinUserFollowQueryFeatureHydrator.scala |  56 ++--
 .../UserFollowedTopicIdsFeatureHydrator.scala |  32 +--
 .../UserLanguagesFeatureHydrator.scala        |  25 +-
 .../UserStateQueryFeatureHydrator.scala       |   5 +-
 .../UtegFeatureHydrator.scala                 |  28 +-
 .../AuthorFeaturesAdapter.scala               |  92 +++++++
 .../adapters/author_features/BUILD.bazel      |   1 +
 .../adapters/content/BUILD.bazel              |   1 +
 .../content/ContentFeatureAdapter.scala       |  15 +-
 .../InReplyToContentFeatureAdapter.scala      |  75 ++++++
 .../adapters/earlybird/BUILD.bazel            |   0
 .../adapters/earlybird/EarlybirdAdapter.scala |   6 +-
 .../earlybird/InReplyToEarlybirdAdapter.scala | 206 ++++++++++++++
 .../adapters/inferred_topic/BUILD.bazel       |   0
 .../inferred_topic/InferredTopicAdapter.scala |   2 +-
 .../adapters/non_ml_features/BUILD.bazel      |   0
 .../NonMLCandidateFeaturesAdapter.scala       |   2 +-
 .../NonMLCommonFeaturesAdapter.scala          |   2 +-
 .../adapters/offline_aggregates/BUILD.bazel   |   0
 .../PassThroughAdapter.scala                  |   2 +-
 .../SparseAggregatesToDenseAdapter.scala      |   2 +-
 .../adapters/twhin_embeddings/BUILD.bazel     |   0
 .../TwhinEmbeddingsAdapter.scala              |  39 +--
 .../AggregateFeatureInfo.scala                |   2 +-
 ...ggregateFeaturesToDecodeWithMetadata.scala |   2 +-
 .../offline_aggregates/BUILD.bazel            |   4 +-
 .../BaseAggregateQueryFeatureHydrator.scala   |   2 +-
 .../BaseEdgeAggregateFeatureHydrator.scala    |  20 +-
 .../EdgeAggregateFeatures.scala               |  27 +-
 .../PartAAggregateQueryFeatureHydrator.scala  |   2 +-
 .../PartBAggregateQueryFeatureHydrator.scala  |   6 +-
 .../Phase1EdgeAggregateFeatureHydrator.scala  |  15 +-
 .../Phase2EdgeAggregateFeatureHydrator.scala  |  28 ++
 .../offline_aggregates/Utils.scala            |   2 +-
 .../real_time_aggregates/BUILD.bazel          |   1 +
 ...ggregateBulkCandidateFeatureHydrator.scala |   9 +-
 ...ealTimeAggregateQueryFeatureHydrator.scala |   5 +-
 .../BaseRealtimeAggregateHydrator.scala       |  72 ++---
 ...thorRealTimeAggregateFeatureHydrator.scala |   2 +-
 .../RealTimeAggregateTimeDecay.scala          |   2 +-
 ...mentRealTimeAggregateFeatureHydrator.scala |   2 +-
 ...mentRealTimeAggregateFeatureHydrator.scala |  13 +-
 ...mentRealTimeAggregateFeatureHydrator.scala |  13 +-
 ...mentRealTimeAggregateFeatureHydrator.scala |  18 +-
 ...mentRealTimeAggregateFeatureHydrator.scala |   2 +-
 ...mentRealTimeAggregateFeatureHydrator.scala |  10 +-
 ...entRealTimeAggregatesFeatureHydrator.scala |   4 +-
 .../product/scored_tweets/filter/BUILD.bazel  |  14 +
 .../DuplicateConversationTweetsFilter.scala   |  37 +++
 .../filter/OutOfNetworkCompetitorFilter.scala |   2 +-
 .../OutOfNetworkCompetitorURLFilter.scala     |   5 +-
 .../RetweetSourceTweetRemovingFilter.scala    |   2 +-
 .../ScoredTweetsSocialContextFilter.scala}    |  32 ++-
 .../product/scored_tweets/gate/BUILD.bazel    |  12 +
 .../gate/MinCachedTweetsGate.scala            |   4 +-
 .../gate/MinTimeSinceLastRequestGate.scala    |  27 ++
 .../scored_tweets/marshaller/BUILD.bazel      |   4 -
 ...ScoredTweetsResponseDomainMarshaller.scala |  44 +--
 ...redTweetsResponseTransportMarshaller.scala |  69 +++--
 .../product/scored_tweets/model/BUILD.bazel   |   6 -
 .../model/ScoredTweetsResponse.scala          |  27 +-
 .../product/scored_tweets/param/BUILD.bazel   |   4 -
 .../param/ScoredTweetsParam.scala             | 227 ++++++++++++++--
 .../param/ScoredTweetsParamConfig.scala       |  48 +++-
 .../query_transformer/BUILD.bazel             |   7 +-
 .../TimelineRankerFrsQueryTransformer.scala   |  37 ++-
 ...elineRankerInNetworkQueryTransformer.scala |  37 ++-
 .../TimelineRankerQueryTransformer.scala      |  17 +-
 .../TimelineRankerUtegQueryTransformer.scala  |  28 +-
 .../query_transformer/earlybird/BUILD.bazel   |  23 ++
 .../EarlybirdFrsQueryTransformer.scala        |  41 +++
 .../EarlybirdInNetworkQueryTransformer.scala  |  68 +++++
 .../earlybird/EarlybirdQueryTransformer.scala |  70 +++++
 .../response_transformer/BUILD.bazel          |   6 +-
 ...oredTweetsResponseFeatureTransformer.scala |  51 +++-
 ...tsBackfillResponseFeatureTransformer.scala |  30 +++
 ...sInNetworkResponseFeatureTransformer.scala |   2 +-
 ...weetsListsResponseFeatureTransformer.scala |  45 ++++
 ...larVideosResponseFeatureTransformer.scala} |  41 +--
 ...TweetMixerResponseFeatureTransformer.scala |  52 ++++
 .../TimelineRankerResponseTransformer.scala   |  12 +-
 .../earlybird/BUILD.bazel                     |  13 +
 .../EarlybirdResponseTransformer.scala        |  92 +++++++
 ...rlybirdFrsResponseFeatureTransformer.scala |  33 +++
 ...dInNetworkResponseFeatureTransformer.scala |  32 +++
 .../product/scored_tweets/scorer/BUILD.bazel  |   8 +-
 .../scorer/DiversityDiscountProvider.scala    |  47 +++-
 .../scorer/DiversityScorer.scala              |  57 ----
 .../scorer/HeuristicScorer.scala              |  46 ++++
 .../HomeNaviModelDataRecordScorer.scala       | 233 ----------------
 .../scorer/NaviModelScorer.scala              | 179 +++++++++++++
 .../scorer/PredictedScoreFeature.scala        | 166 ++++++++++++
 .../scorer/RescoringFactorProvider.scala      | 180 +++++++++++++
 .../scorer/WeightedScoresSumScorer.scala      |  91 -------
 .../scoring_pipeline/BUILD.bazel              |  14 +-
 ...TweetsDiversityScoringPipelineConfig.scala |  25 --
 ...weetsHeuristicScoringPipelineConfig.scala} |  12 +-
 ...redTweetsModelScoringPipelineConfig.scala} | 175 +++++++-----
 ...eVerifiedAuthorScoringPipelineConfig.scala |  24 --
 ...ightedScoresSumScoringPipelineConfig.scala |  34 ---
 .../scored_tweets/selector/BUILD.bazel        |  12 +
 ...workCandidatePerAuthorPerSuggestType.scala |  39 +++
 .../scored_tweets/side_effect/BUILD.bazel     |   6 +-
 .../CachedScoredTweetsSideEffect.scala        |  83 +++---
 .../ScribeScoredCandidatesSideEffect.scala    | 126 +++++++++
 ...aturesAndCandidateFeaturesSideEffect.scala |  44 +--
 .../home_mixer/product/subscribed/BUILD.bazel |  82 ++++++
 ...ibedEarlybirdCandidatePipelineConfig.scala |  64 +++++
 .../SubscribedEarlybirdQueryTransformer.scala |  67 +++++
 ...dEarlybirdResponseFeatureTransformer.scala |  38 +++
 .../SubscribedMixerPipelineConfig.scala       | 221 +++++++++++++++
 .../SubscribedProductPipelineConfig.scala     | 123 +++++++++
 .../model}/BUILD.bazel                        |  18 +-
 .../subscribed/model/SubscribedQuery.scala    |  31 +++
 .../product/subscribed/param/BUILD.bazel      |  14 +
 .../subscribed/param/SubscribedParam.scala    |  15 ++
 .../param/SubscribedParamConfig.scala         |  18 ++
 .../service/HomeMixerAlertConfig.scala        |   3 +-
 .../com/twitter/home_mixer/store/BUILD.bazel  |   4 -
 .../home_mixer/store/UserLanguagesStore.scala |  47 ----
 .../com/twitter/home_mixer/util/BUILD.bazel   |   3 +
 .../util/CachedScoredTweetsHelper.scala       |   3 +-
 .../home_mixer/util/CandidatesUtil.scala      |  13 +-
 .../home_mixer/util/DataRecordUtil.scala      |  31 +++
 .../home_mixer/util/LanguageUtil.scala        |   6 +-
 .../home_mixer/util/earlybird/BUILD.bazel     |   5 +
 .../util/earlybird/EarlybirdRequestUtil.scala | 158 +++++++++--
 .../earlybird/EarlybirdResponseUtil.scala     |  74 ++++--
 .../util/earlybird/RelevanceSearchUtil.scala  |  13 +-
 .../util/tweetypie/RequestFields.scala        |   3 +-
 393 files changed, 9334 insertions(+), 3850 deletions(-)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/HomeMixerColumn.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => builder}/HomeAdsClientEventDetailsBuilder.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => builder}/HomeClientEventDetailsBuilder.scala (98%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => builder}/HomeTimelinesScoreInfoBuilder.scala (93%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => builder}/HomeTweetTypePredicates.scala (76%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/AuthorChildFeedbackActionBuilder.scala (95%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/BlockUserChildFeedbackActionBuilder.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/DontLikeFeedbackActionBuilder.scala (98%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/EngagerSocialContextBuilder.scala (98%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/ExtendedReplySocialContextBuilder.scala (97%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackStrings.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/FeedbackUtil.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/FollowedBySocialContextBuilder.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/HomeFeedbackActionInfoBuilder.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/HomeTweetSocialContextBuilder.scala (80%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToSubscribeFeedbackActionInfoBuilder.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/LikedBySocialContextBuilder.scala (96%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ListsSocialContextBuilder.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/MuteUserChildFeedbackActionBuilder.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/NotInterestedTopicFeedbackActionBuilder.scala (97%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/NotRelevantChildFeedbackActionBuilder.scala (96%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularInYourAreaSocialContextBuilder.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{YouMightLikeSocialContextBuilder.scala => urt/builder/PopularVideoSocialContextBuilder.scala} (60%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/ReceivedReplySocialContextBuilder.scala (97%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/ReportTweetChildFeedbackActionBuilder.scala (95%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/RetweeterChildFeedbackActionBuilder.scala (95%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/TopicSocialContextBuilder.scala (95%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/{ => urt/builder}/UnfollowUserChildFeedbackActionBuilder.scala (97%)
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FollowedTopicsQueryFeatureHydrator.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GizmoduckAuthorSafetyFeatureHydrator.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/InNetworkFeatureHydrator.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSFollowedUsersQueryFeatureHydrator.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SocialGraphServiceFeatureHydrator.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TSPInferredTopicFeatureHydrator.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimeFeaturesHydrator.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/InvalidSubscriptionTweetFilter.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PredicateFeatureFilter.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/{KeepBestOutOfNetworkTweetPerAuthorFilter.scala => PreviouslyServedTweetPreviewsFilter.scala} (55%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/ReplyFilter.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetFilter.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/NonEmptySeqFeatureGate.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/VerifiedAuthorScalingScorer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedCandidatesSideEffect.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedEntriesSideEffect.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/{UpdateImpressionBloomFilterSideEffect.scala => PublishImpressionBloomFilterSideEffect.scala} (56%)
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedStatsSideEffect.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/ConversationEntryMarshaller.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/{PromotedTweetEntryMarshaller.scala => PromotedTweetDetailsMarshaller.scala} (56%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetDetailsMarshaller.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetEntryMarshaller.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/{WhoToFollowEntryMarshaller.scala => WhoToFollowDetailsMarshaller.scala} (62%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BlenderClientModule.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/module/{HomeNaviModelClientModule.scala => NaviModelClientModule.scala} (88%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TopicSocialProofClientModule.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/module/UserMetadataStoreModule.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/{FollowingWhoToFollowArmCandidatePipelineConfigBuilder.scala => FollowingWhoToFollowCandidatePipelineConfigBuilder.scala} (98%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsDependentCandidatePipelineBuilder.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeMixerPipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeTweetCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTweetPreviewsCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToSubscribeCandidatePipelineConfigBuilder.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/AuthorEnabledPreviewsFeatureHydrator.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/BUILD.bazel
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/feature_hydrator/FocalTweetFeatureHydrator.scala (98%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala (94%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TweetPreviewTweetypieCandidateFeatureHydrator.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/SocialContextFilter.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/TweetPreviewTextFilter.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/PushToHomeRequestGate.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/TweetPreviewsQueryTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/TweetPreviewResponseFeatureTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/scorer/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/BUILD.bazel
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala (92%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/side_effect/ServedCandidateKafkaSideEffect.scala (97%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/side_effect/ServedCandidateKeysKafkaSideEffect.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/for_you}/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala (91%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedStatsSideEffect.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineQueryTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BlenderUsersCandidateSource.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/list_recommended_users}/candidate_source/SimilarityBasedUsersCandidateSource.scala (71%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/{GizmoduckUserFeatureHydrator.scala => IsGizmoduckValidUserFeatureHydrator.scala} (71%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsSGSValidUserFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component/feature_hydrator/ListMembersQueryFeatureHydrator.scala => product/list_recommended_users/feature_hydrator/RecentListMembersQueryFeatureHydrator.scala} (72%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/{DropMaxCandidatesByScoreFilter.scala => DropMaxCandidatesByAggregatedScoreFilter.scala} (61%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/BUILD.bazel
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/list_recommended_users}/gate/ViewerIsListOwnerGate.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/{ListFeatures.scala => ListRecommendedUsersFeatures.scala} (65%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/BUILD.bazel
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/list_tweets}/decorator/ListConversationServiceCandidateDecorator.scala (91%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/builder/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsBackfillCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsListsCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsPopularVideosCandidatePipelineConfig.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/{ScoredTweetsCrMixerCandidatePipelineConfig.scala => ScoredTweetsTweetMixerCandidatePipelineConfig.scala} (70%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdFrsCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdInNetworkCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/ListsCandidateSource.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/AncestorFeatureHydrator.scala (75%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/AuthorFeatureHydrator.scala (68%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorIsCreatorFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/EarlybirdFeatureHydrator.scala (68%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/{query_feature_hydrator => feature_hydrator}/FrsSeedUsersQueryFeatureHydrator.scala (97%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GizmoduckAuthorFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/GraphTwoHopFeatureHydrator.scala (76%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/IsExtendedReplyFeatureHydrator.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ListIdsQueryFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala (76%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/RealGraphQueryFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala (92%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala (86%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala (75%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/ReplyFeatureHydrator.scala (71%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RequestTimeQueryFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala (85%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersUserTweetScoresHydrator.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TSPInferredTopicFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/TweetMetaDataFeatureHydrator.scala (89%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetTimeFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/TweetypieContentFeatureHydrator.scala (75%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component/feature_hydrator/TwhinAuthorFollow20220101FeatureHydrator.scala => product/scored_tweets/feature_hydrator/TwhinAuthorFollowFeatureHydrator.scala} (57%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala (62%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala (62%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala (75%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/UserLanguagesFeatureHydrator.scala (58%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/UserStateQueryFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/UtegFeatureHydrator.scala (77%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/author_features/BUILD.bazel (90%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/content/BUILD.bazel (89%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/content/ContentFeatureAdapter.scala (94%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/InReplyToContentFeatureAdapter.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/earlybird/BUILD.bazel (100%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala (98%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/InReplyToEarlybirdAdapter.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/inferred_topic/BUILD.bazel (100%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala (90%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/non_ml_features/BUILD.bazel (100%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/offline_aggregates/BUILD.bazel (100%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala (79%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala (87%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/twhin_embeddings/BUILD.bazel (100%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala (63%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/BUILD.bazel (90%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala (97%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala (88%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala (79%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala (94%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala (56%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/offline_aggregates/Utils.scala (93%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/BUILD.bazel (93%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala (83%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala (84%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala (68%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala (95%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala (79%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala (80%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala (69%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala (90%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala (92%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/DuplicateConversationTweetsFilter.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/filter/OutOfNetworkCompetitorFilter.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/filter/OutOfNetworkCompetitorURLFilter.scala (90%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/filter/RetweetSourceTweetRemovingFilter.scala (96%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component/filter/SocialContextFilter.scala => product/scored_tweets/filter/ScoredTweetsSocialContextFilter.scala} (65%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/BUILD.bazel
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/{functional_component => product/scored_tweets}/gate/MinCachedTweetsGate.scala (89%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinTimeSinceLastRequestGate.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdFrsQueryTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdInNetworkQueryTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdQueryTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsBackfillResponseFeatureTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsListsResponseFeatureTransformer.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/{ScoredTweetsCrMixerResponseFeatureTransformer.scala => ScoredTweetsPopularVideosResponseFeatureTransformer.scala} (51%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsTweetMixerResponseFeatureTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/EarlybirdResponseTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdFrsResponseFeatureTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityScorer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HeuristicScorer.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HomeNaviModelDataRecordScorer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/NaviModelScorer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/PredictedScoreFeature.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/RescoringFactorProvider.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/WeightedScoresSumScorer.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsDiversityScoringPipelineConfig.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/{ScoredTweetsRescoreOONScoringPipelineConfig.scala => ScoredTweetsHeuristicScoringPipelineConfig.scala} (73%)
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/{ScoredTweetsScoringPipelineConfig.scala => ScoredTweetsModelScoringPipelineConfig.scala} (54%)
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsWeightedScoresSumScoringPipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeScoredCandidatesSideEffect.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdCandidatePipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdQueryTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdResponseFeatureTransformer.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedMixerPipelineConfig.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedProductPipelineConfig.scala
 rename home-mixer/server/src/main/scala/com/twitter/home_mixer/product/{scored_tweets/query_feature_hydrator => subscribed/model}/BUILD.bazel (57%)
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/SubscribedQuery.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/BUILD.bazel
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParam.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParamConfig.scala
 delete mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/store/UserLanguagesStore.scala
 create mode 100644 home-mixer/server/src/main/scala/com/twitter/home_mixer/util/DataRecordUtil.scala

diff --git a/home-mixer/README.md b/home-mixer/README.md
index a1be737be7..20861d7a08 100644
--- a/home-mixer/README.md
+++ b/home-mixer/README.md
@@ -74,7 +74,7 @@ Timeline tabs powered by Home Mixer.
             - ScoredTweetsRecommendationPipelineConfig (main Tweet recommendation layer)
                 - Fetch Tweet Candidates
                     - ScoredTweetsInNetworkCandidatePipelineConfig
-                    - ScoredTweetsCrMixerCandidatePipelineConfig
+                    - ScoredTweetsTweetMixerCandidatePipelineConfig
                     - ScoredTweetsUtegCandidatePipelineConfig
                     - ScoredTweetsFrsCandidatePipelineConfig
                 - Feature Hydration and Scoring
@@ -99,4 +99,3 @@ Timeline tabs powered by Home Mixer.
         - ListTweetsTimelineServiceCandidatePipelineConfig (fetch tweets from timeline service)
         - ConversationServiceCandidatePipelineConfig (fetch ancestors for conversation modules)
         - ListTweetsAdsCandidatePipelineConfig (fetch ads)
-
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/BUILD.bazel
index a9474ec099..103e079da0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/BUILD.bazel
@@ -21,6 +21,7 @@ scala_library(
         "finatra/inject/inject-utils/src/main/scala",
         "home-mixer/server/src/main/resources",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/controller",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/federated",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/module",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product",
@@ -31,6 +32,10 @@ scala_library(
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/module/stringcenter",
         "product-mixer/core/src/main/thrift/com/twitter/product_mixer/core:thrift-scala",
         "src/thrift/com/twitter/timelines/render:thrift-scala",
+        "strato/config/columns/auth-context:auth-context-strato-client",
+        "strato/config/columns/gizmoduck:gizmoduck-strato-client",
+        "strato/src/main/scala/com/twitter/strato/fed",
+        "strato/src/main/scala/com/twitter/strato/fed/server",
         "stringcenter/client",
         "stringcenter/client/src/main/java",
         "stringcenter/client/src/main/scala/com/twitter/stringcenter/client",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerHttpServerWarmupHandler.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerHttpServerWarmupHandler.scala
index 16a9d9c58d..e27133b237 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerHttpServerWarmupHandler.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerHttpServerWarmupHandler.scala
@@ -2,7 +2,7 @@ package com.twitter.home_mixer
 
 import com.twitter.finatra.http.routing.HttpWarmup
 import com.twitter.finatra.httpclient.RequestBuilder._
-import com.twitter.inject.Logging
+import com.twitter.util.logging.Logging
 import com.twitter.inject.utils.Handler
 import com.twitter.util.Try
 import javax.inject.Inject
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerServer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerServer.scala
index ff7c757277..e635c7a684 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerServer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerServer.scala
@@ -12,57 +12,63 @@ import com.twitter.finatra.thrift.ThriftServer
 import com.twitter.finatra.thrift.filters._
 import com.twitter.finatra.thrift.routing.ThriftRouter
 import com.twitter.home_mixer.controller.HomeThriftController
+import com.twitter.home_mixer.federated.HomeMixerColumn
 import com.twitter.home_mixer.module._
 import com.twitter.home_mixer.param.GlobalParamConfigModule
 import com.twitter.home_mixer.product.HomeMixerProductModule
 import com.twitter.home_mixer.{thriftscala => st}
 import com.twitter.product_mixer.component_library.module.AccountRecommendationsMixerModule
-import com.twitter.product_mixer.component_library.module.CrMixerClientModule
 import com.twitter.product_mixer.component_library.module.DarkTrafficFilterModule
 import com.twitter.product_mixer.component_library.module.EarlybirdModule
 import com.twitter.product_mixer.component_library.module.ExploreRankerClientModule
 import com.twitter.product_mixer.component_library.module.GizmoduckClientModule
 import com.twitter.product_mixer.component_library.module.OnboardingTaskServiceModule
 import com.twitter.product_mixer.component_library.module.SocialGraphServiceModule
-import com.twitter.product_mixer.component_library.module.TimelineMixerClientModule
 import com.twitter.product_mixer.component_library.module.TimelineRankerClientModule
 import com.twitter.product_mixer.component_library.module.TimelineScorerClientModule
 import com.twitter.product_mixer.component_library.module.TimelineServiceClientModule
 import com.twitter.product_mixer.component_library.module.TweetImpressionStoreModule
+import com.twitter.product_mixer.component_library.module.TweetMixerClientModule
 import com.twitter.product_mixer.component_library.module.UserSessionStoreModule
 import com.twitter.product_mixer.core.controllers.ProductMixerController
 import com.twitter.product_mixer.core.module.LoggingThrowableExceptionMapper
 import com.twitter.product_mixer.core.module.ProductMixerModule
-import com.twitter.product_mixer.core.module.StratoClientModule
 import com.twitter.product_mixer.core.module.stringcenter.ProductScopeStringCenterModule
+import com.twitter.strato.fed.StratoFed
+import com.twitter.strato.fed.server.StratoFedServer
 
 object HomeMixerServerMain extends HomeMixerServer
 
-class HomeMixerServer extends ThriftServer with Mtls with HttpServer with HttpMtls {
+class HomeMixerServer
+    extends StratoFedServer
+    with ThriftServer
+    with Mtls
+    with HttpServer
+    with HttpMtls {
   override val name = "home-mixer-server"
 
   override val modules: Seq[Module] = Seq(
     AccountRecommendationsMixerModule,
     AdvertiserBrandSafetySettingsStoreModule,
+    BlenderClientModule,
     ClientSentImpressionsPublisherModule,
     ConversationServiceModule,
-    CrMixerClientModule,
     EarlybirdModule,
     ExploreRankerClientModule,
+    FeedbackHistoryClientModule,
     GizmoduckClientModule,
     GlobalParamConfigModule,
     HomeAdsCandidateSourceModule,
     HomeMixerFlagsModule,
     HomeMixerProductModule,
     HomeMixerResourcesModule,
-    HomeNaviModelClientModule,
     ImpressionBloomFilterModule,
     InjectionHistoryClientModule,
-    FeedbackHistoryClientModule,
     ManhattanClientsModule,
     ManhattanFeatureRepositoryModule,
     ManhattanTweetImpressionStoreModule,
     MemcachedFeatureRepositoryModule,
+    NaviModelClientModule,
     OnboardingTaskServiceModule,
     OptimizedStratoClientModule,
     PeopleDiscoveryServiceModule,
@@ -74,24 +80,23 @@ class HomeMixerServer extends ThriftServer with Mtls with HttpServer with HttpMt
     SimClustersRecentEngagementsClientModule,
     SocialGraphServiceModule,
     StaleTweetsCacheModule,
-    StratoClientModule,
     ThriftFeatureRepositoryModule,
-    TimelineMixerClientModule,
     TimelineRankerClientModule,
     TimelineScorerClientModule,
     TimelineServiceClientModule,
     TimelinesPersistenceStoreClientModule,
+    TopicSocialProofClientModule,
     TweetImpressionStoreModule,
-    TweetyPieClientModule,
+    TweetMixerClientModule,
+    TweetypieClientModule,
     TweetypieStaticEntitiesCacheClientModule,
-    UserMetadataStoreModule,
     UserSessionStoreModule,
     new DarkTrafficFilterModule[st.HomeMixer.ReqRepServicePerEndpoint](),
     new MtlsThriftWebFormsModule[st.HomeMixer.MethodPerEndpoint](this),
     new ProductScopeStringCenterModule()
   )
 
-  def configureThrift(router: ThriftRouter): Unit = {
+  override def configureThrift(router: ThriftRouter): Unit = {
     router
       .filter[LoggingMDCFilter]
       .filter[TraceIdMDCFilter]
@@ -111,6 +116,11 @@ class HomeMixerServer extends ThriftServer with Mtls with HttpServer with HttpMt
         this.injector,
         st.HomeMixer.ExecutePipeline))
 
+  override val dest: String = "/s/home-mixer/home-mixer:strato"
+
+  override val columns: Seq[Class[_ <: StratoFed.Column]] =
+    Seq(classOf[HomeMixerColumn])
+
   override protected def warmup(): Unit = {
     handle[HomeMixerThriftServerWarmupHandler]()
     handle[HomeMixerHttpServerWarmupHandler]()
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerThriftServerWarmupHandler.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerThriftServerWarmupHandler.scala
index df70010721..982b774877 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerThriftServerWarmupHandler.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/HomeMixerThriftServerWarmupHandler.scala
@@ -3,7 +3,7 @@ package com.twitter.home_mixer
 import com.twitter.finagle.thrift.ClientId
 import com.twitter.finatra.thrift.routing.ThriftWarmup
 import com.twitter.home_mixer.{thriftscala => st}
-import com.twitter.inject.Logging
+import com.twitter.util.logging.Logging
 import com.twitter.inject.utils.Handler
 import com.twitter.product_mixer.core.{thriftscala => pt}
 import com.twitter.scrooge.Request
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/BUILD.bazel
index 526efd7183..3f738bcb66 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/BUILD.bazel
@@ -5,19 +5,13 @@ scala_library(
     tags = ["bazel-compatible"],
     dependencies = [
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/query_transformer",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/tweetconvosvc",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
@@ -25,10 +19,6 @@ scala_library(
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/transformer",
-        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/manhattan",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
-        "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
-        "timelineservice/common/src/main/scala/com/twitter/timelineservice/model",
     ],
     exports = [
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/tweetconvosvc",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfig.scala
index 8a255b7bbc..d26843193e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfig.scala
@@ -1,18 +1,23 @@
 package com.twitter.home_mixer.candidate_pipeline
 
+import com.twitter.home_mixer.functional_component.feature_hydrator.InNetworkFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.NamesFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.SocialGraphServiceFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.TweetypieFeatureHydrator
 import com.twitter.home_mixer.functional_component.filter.InvalidConversationModuleFilter
-import com.twitter.home_mixer.functional_component.filter.PredicateFeatureFilter
+import com.twitter.home_mixer.functional_component.filter.InvalidSubscriptionTweetFilter
 import com.twitter.home_mixer.functional_component.filter.RetweetDeduplicationFilter
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetDroppedFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.ConversationServiceCandidateSource
 import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.ConversationServiceCandidateSourceRequest
 import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.TweetWithConversationMetadata
 import com.twitter.product_mixer.component_library.filter.FeatureFilter
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
 import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
@@ -33,8 +38,8 @@ import com.twitter.product_mixer.core.pipeline.candidate.DependentCandidatePipel
 class ConversationServiceCandidatePipelineConfig[Query <: PipelineQuery](
   conversationServiceCandidateSource: ConversationServiceCandidateSource,
   tweetypieFeatureHydrator: TweetypieFeatureHydrator,
-  socialGraphServiceFeatureHydrator: SocialGraphServiceFeatureHydrator,
   namesFeatureHydrator: NamesFeatureHydrator,
+  invalidSubscriptionTweetFilter: InvalidSubscriptionTweetFilter,
   override val gates: Seq[BaseGate[Query]],
   override val decorator: Option[CandidateDecorator[Query, TweetCandidate]])
     extends DependentCandidatePipelineConfig[
@@ -62,10 +67,10 @@ class ConversationServiceCandidatePipelineConfig[Query <: PipelineQuery](
     val tweetsWithConversationMetadata = candidates.map { candidate =>
       TweetWithConversationMetadata(
         tweetId = candidate.candidateIdLong,
-        userId = None,
-        sourceTweetId = None,
-        sourceUserId = None,
-        inReplyToTweetId = None,
+        userId = candidate.features.getOrElse(AuthorIdFeature, None),
+        sourceTweetId = candidate.features.getOrElse(SourceTweetIdFeature, None),
+        sourceUserId = candidate.features.getOrElse(SourceUserIdFeature, None),
+        inReplyToTweetId = candidate.features.getOrElse(InReplyToTweetIdFeature, None),
         conversationId = None,
         ancestors = Seq.empty
       )
@@ -84,7 +89,10 @@ class ConversationServiceCandidatePipelineConfig[Query <: PipelineQuery](
 
   override val preFilterFeatureHydrationPhase1: Seq[
     BaseCandidateFeatureHydrator[Query, TweetCandidate, _]
-  ] = Seq(tweetypieFeatureHydrator, socialGraphServiceFeatureHydrator)
+  ] = Seq(
+    tweetypieFeatureHydrator,
+    InNetworkFeatureHydrator,
+  )
 
   override def filters: Seq[Filter[Query, TweetCandidate]] = Seq(
     RetweetDeduplicationFilter,
@@ -93,6 +101,7 @@ class ConversationServiceCandidatePipelineConfig[Query <: PipelineQuery](
       FilterIdentifier(QuotedTweetDroppedFilterId),
       shouldKeepCandidate = { features => !features.getOrElse(QuotedTweetDroppedFeature, false) }
     ),
+    invalidSubscriptionTweetFilter,
     InvalidConversationModuleFilter
   )
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfigBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfigBuilder.scala
index 219069816e..bb55f85e33 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfigBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/ConversationServiceCandidatePipelineConfigBuilder.scala
@@ -1,9 +1,9 @@
 package com.twitter.home_mixer.candidate_pipeline
 
-import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.ConversationServiceCandidateSource
 import com.twitter.home_mixer.functional_component.feature_hydrator.NamesFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.SocialGraphServiceFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.TweetypieFeatureHydrator
+import com.twitter.home_mixer.functional_component.filter.InvalidSubscriptionTweetFilter
+import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.ConversationServiceCandidateSource
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
 import com.twitter.product_mixer.core.functional_component.gate.BaseGate
@@ -15,7 +15,7 @@ import javax.inject.Singleton
 class ConversationServiceCandidatePipelineConfigBuilder[Query <: PipelineQuery] @Inject() (
   conversationServiceCandidateSource: ConversationServiceCandidateSource,
   tweetypieFeatureHydrator: TweetypieFeatureHydrator,
-  socialGraphServiceFeatureHydrator: SocialGraphServiceFeatureHydrator,
+  invalidSubscriptionTweetFilter: InvalidSubscriptionTweetFilter,
   namesFeatureHydrator: NamesFeatureHydrator) {
 
   def build(
@@ -25,8 +25,8 @@ class ConversationServiceCandidatePipelineConfigBuilder[Query <: PipelineQuery]
     new ConversationServiceCandidatePipelineConfig(
       conversationServiceCandidateSource,
       tweetypieFeatureHydrator,
-      socialGraphServiceFeatureHydrator,
       namesFeatureHydrator,
+      invalidSubscriptionTweetFilter,
       gates,
       decorator
     )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/EditedTweetsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/EditedTweetsCandidatePipelineConfig.scala
index 8f824a8ff6..d9bb736957 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/EditedTweetsCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline/EditedTweetsCandidatePipelineConfig.scala
@@ -1,7 +1,7 @@
 package com.twitter.home_mixer.candidate_pipeline
 
 import com.twitter.home_mixer.functional_component.candidate_source.StaleTweetsCacheCandidateSource
-import com.twitter.home_mixer.functional_component.decorator.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
 import com.twitter.home_mixer.functional_component.feature_hydrator.NamesFeatureHydrator
 import com.twitter.home_mixer.functional_component.query_transformer.EditedTweetsCandidatePipelineQueryTransformer
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/BUILD.bazel
index 614dc58eb5..dfaff319db 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/BUILD.bazel
@@ -13,8 +13,5 @@ scala_library(
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/service/debug_query",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/service/urt",
         "snowflake/src/main/scala/com/twitter/snowflake/id",
-        "src/thrift/com/twitter/context:twitter-context-scala",
-        "src/thrift/com/twitter/timelines/render:thrift-scala",
-        "twitter-context/src/main/scala",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/HomeThriftController.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/HomeThriftController.scala
index fb09b405ea..fc1b7770ee 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/HomeThriftController.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/controller/HomeThriftController.scala
@@ -7,6 +7,7 @@ import com.twitter.home_mixer.service.ScoredTweetsService
 import com.twitter.home_mixer.{thriftscala => t}
 import com.twitter.product_mixer.core.controllers.DebugTwitterContext
 import com.twitter.product_mixer.core.functional_component.configapi.ParamsBuilder
+import com.twitter.product_mixer.core.service.debug_query.DebugQueryService
 import com.twitter.product_mixer.core.service.urt.UrtService
 import com.twitter.snowflake.id.SnowflakeId
 import com.twitter.stitch.Stitch
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/BUILD.bazel
new file mode 100644
index 0000000000..30ee81acc0
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/BUILD.bazel
@@ -0,0 +1,24 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/thrift/src/main/thrift:thrift-scala",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/configapi",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/product",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product/registry",
+        "product-mixer/core/src/main/thrift/com/twitter/product_mixer/core:thrift-scala",
+        "src/thrift/com/twitter/gizmoduck:thrift-scala",
+        "src/thrift/com/twitter/timelines/render:thrift-scala",
+        "stitch/stitch-repo/src/main/scala",
+        "strato/config/columns/auth-context:auth-context-strato-client",
+        "strato/config/columns/gizmoduck:gizmoduck-strato-client",
+        "strato/config/src/thrift/com/twitter/strato/graphql/timelines:graphql-timelines-scala",
+        "strato/src/main/scala/com/twitter/strato/callcontext",
+        "strato/src/main/scala/com/twitter/strato/fed",
+        "strato/src/main/scala/com/twitter/strato/fed/server",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/HomeMixerColumn.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/HomeMixerColumn.scala
new file mode 100644
index 0000000000..0ef27b7a00
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/federated/HomeMixerColumn.scala
@@ -0,0 +1,217 @@
+package com.twitter.home_mixer.federated
+
+import com.twitter.gizmoduck.{thriftscala => gd}
+import com.twitter.home_mixer.marshaller.request.HomeMixerRequestUnmarshaller
+import com.twitter.home_mixer.model.request.HomeMixerRequest
+import com.twitter.home_mixer.{thriftscala => hm}
+import com.twitter.product_mixer.core.functional_component.configapi.ParamsBuilder
+import com.twitter.product_mixer.core.pipeline.product.ProductPipelineRequest
+import com.twitter.product_mixer.core.pipeline.product.ProductPipelineResult
+import com.twitter.product_mixer.core.product.registry.ProductPipelineRegistry
+import com.twitter.product_mixer.core.{thriftscala => pm}
+import com.twitter.stitch.Arrow
+import com.twitter.stitch.Stitch
+import com.twitter.strato.callcontext.CallContext
+import com.twitter.strato.catalog.OpMetadata
+import com.twitter.strato.config._
+import com.twitter.strato.data._
+import com.twitter.strato.fed.StratoFed
+import com.twitter.strato.generated.client.auth_context.AuditIpClientColumn
+import com.twitter.strato.generated.client.gizmoduck.CompositeOnUserClientColumn
+import com.twitter.strato.graphql.timelines.{thriftscala => gql}
+import com.twitter.strato.thrift.ScroogeConv
+import com.twitter.timelines.render.{thriftscala => tr}
+import com.twitter.util.Try
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class HomeMixerColumn @Inject() (
+  homeMixerRequestUnmarshaller: HomeMixerRequestUnmarshaller,
+  compositeOnUserClientColumn: CompositeOnUserClientColumn,
+  auditIpClientColumn: AuditIpClientColumn,
+  paramsBuilder: ParamsBuilder,
+  productPipelineRegistry: ProductPipelineRegistry)
+    extends StratoFed.Column(HomeMixerColumn.Path)
+    with StratoFed.Fetch.Arrow {
+
+  override val contactInfo: ContactInfo = ContactInfo(
+    contactEmail = "",
+    ldapGroup = "",
+    slackRoomId = ""
+  )
+
+  override val metadata: OpMetadata =
+    OpMetadata(
+      lifecycle = Some(Lifecycle.Production),
+      description =
+        Some(Description.PlainText("Federated Strato column for Timelines served via Home Mixer"))
+    )
+
+  private val bouncerAccess: Seq[Policy] = Seq(BouncerAccess())
+  private val finatraTestServiceIdentifiers: Seq[Policy] = Seq(
+    ServiceIdentifierPattern(
+      role = "",
+      service = "",
+      env = "",
+      zone = Seq(""))
+  )
+
+  override val policy: Policy = AnyOf(bouncerAccess ++ finatraTestServiceIdentifiers)
+
+  override type Key = gql.TimelineKey
+  override type View = gql.HomeTimelineView
+  override type Value = tr.Timeline
+
+  override val keyConv: Conv[Key] = ScroogeConv.fromStruct[gql.TimelineKey]
+  override val viewConv: Conv[View] = ScroogeConv.fromStruct[gql.HomeTimelineView]
+  override val valueConv: Conv[Value] = ScroogeConv.fromStruct[tr.Timeline]
+
+  private def createHomeMixerRequestArrow(
+    compositeOnUserClientColumn: CompositeOnUserClientColumn,
+    auditIpClientColumn: AuditIpClientColumn
+  ): Arrow[(Key, View), hm.HomeMixerRequest] = {
+
+    val populateUserRolesAndIp: Arrow[(Key, View), (Option[Set[String]], Option[String])] = {
+      val gizmoduckView: (gd.LookupContext, Set[gd.QueryFields]) =
+        (gd.LookupContext(), Set(gd.QueryFields.Roles))
+
+      val populateUserRoles = Arrow
+        .flatMap[(Key, View), Option[Set[String]]] { _ =>
+          Stitch.collect {
+            CallContext.twitterUserId.map { userId =>
+              compositeOnUserClientColumn.fetcher
+                .callStack(HomeMixerColumn.FetchCallstack)
+                .fetch(userId, gizmoduckView).map(_.v)
+                .map {
+                  _.flatMap(_.roles.map(_.roles.toSet)).getOrElse(Set.empty)
+                }
+            }
+          }
+        }
+
+      val populateIpAddress = Arrow
+        .flatMap[(Key, View), Option[String]](_ =>
+          auditIpClientColumn.fetcher
+            .callStack(HomeMixerColumn.FetchCallstack)
+            .fetch((), ()).map(_.v))
+
+      Arrow.join(
+        populateUserRoles,
+        populateIpAddress
+      )
+    }
+
+    Arrow.zipWithArg(populateUserRolesAndIp).map {
+      case ((key, view), (roles, ipAddress)) =>
+        val deviceContextOpt = Some(
+          hm.DeviceContext(
+            isPolling = CallContext.isPolling,
+            requestContext = view.requestContext,
+            latestControlAvailable = view.latestControlAvailable,
+            autoplayEnabled = view.autoplayEnabled
+          ))
+        val seenTweetIds = view.seenTweetIds.filter(_.nonEmpty)
+
+        val (product, productContext) = key match {
+          case gql.TimelineKey.HomeTimeline(_) | gql.TimelineKey.HomeTimelineV2(_) =>
+            (
+              hm.Product.ForYou,
+              hm.ProductContext.ForYou(
+                hm.ForYou(
+                  deviceContextOpt,
+                  seenTweetIds,
+                  view.dspClientContext,
+                  view.pushToHomeTweetId
+                )
+              ))
+          case gql.TimelineKey.HomeLatestTimeline(_) | gql.TimelineKey.HomeLatestTimelineV2(_) =>
+            (
+              hm.Product.Following,
+              hm.ProductContext.Following(
+                hm.Following(deviceContextOpt, seenTweetIds, view.dspClientContext)))
+          case gql.TimelineKey.CreatorSubscriptionsTimeline(_) =>
+            (
+              hm.Product.Subscribed,
+              hm.ProductContext.Subscribed(hm.Subscribed(deviceContextOpt, seenTweetIds)))
+          case _ => throw new UnsupportedOperationException(s"Unknown product: $key")
+        }
+
+        val clientContext = pm.ClientContext(
+          userId = CallContext.twitterUserId,
+          guestId = CallContext.guestId,
+          guestIdAds = CallContext.guestIdAds,
+          guestIdMarketing = CallContext.guestIdMarketing,
+          appId = CallContext.clientApplicationId,
+          ipAddress = ipAddress,
+          userAgent = CallContext.userAgent,
+          countryCode = CallContext.requestCountryCode,
+          languageCode = CallContext.requestLanguageCode,
+          isTwoffice = CallContext.isInternalOrTwoffice,
+          userRoles = roles,
+          deviceId = CallContext.deviceId,
+          mobileDeviceId = CallContext.mobileDeviceId,
+          mobileDeviceAdId = CallContext.adId,
+          limitAdTracking = CallContext.limitAdTracking
+        )
+
+        hm.HomeMixerRequest(
+          clientContext = clientContext,
+          product = product,
+          productContext = Some(productContext),
+          maxResults = Try(view.count.get.toInt).toOption.orElse(HomeMixerColumn.MaxCount),
+          cursor = view.cursor.filter(_.nonEmpty)
+        )
+    }
+  }
+
+  override val fetch: Arrow[(Key, View), Result[Value]] = {
+    val transformThriftIntoPipelineRequest: Arrow[
+      (Key, View),
+      ProductPipelineRequest[HomeMixerRequest]
+    ] = {
+      Arrow
+        .identity[(Key, View)]
+        .andThen {
+          createHomeMixerRequestArrow(compositeOnUserClientColumn, auditIpClientColumn)
+        }
+        .map {
+          case thriftRequest =>
+            val request = homeMixerRequestUnmarshaller(thriftRequest)
+            val params = paramsBuilder.build(
+              clientContext = request.clientContext,
+              product = request.product,
+              featureOverrides =
+                request.debugParams.flatMap(_.featureOverrides).getOrElse(Map.empty),
+            )
+            ProductPipelineRequest(request, params)
+        }
+    }
+
+    val underlyingProduct: Arrow[
+      ProductPipelineRequest[HomeMixerRequest],
+      ProductPipelineResult[tr.TimelineResponse]
+    ] = Arrow
+      .identity[ProductPipelineRequest[HomeMixerRequest]]
+      .map { pipelineRequest =>
+        val pipelineArrow = productPipelineRegistry
+          .getProductPipeline[HomeMixerRequest, tr.TimelineResponse](
+            pipelineRequest.request.product)
+          .arrow
+        (pipelineArrow, pipelineRequest)
+      }.applyArrow
+
+    transformThriftIntoPipelineRequest.andThen(underlyingProduct).map {
+      _.result match {
+        case Some(result) => found(result.timeline)
+        case _ => missing
+      }
+    }
+  }
+}
+
+object HomeMixerColumn {
+  val Path = "home-mixer/homeMixer.Timeline"
+  private val FetchCallstack = s"$Path:fetch"
+  private val MaxCount: Option[Int] = Some(100)
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/BUILD.bazel
index 706f52e2ec..a40bd4030b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/BUILD.bazel
@@ -10,11 +10,8 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
-        "src/thrift/com/twitter/hermit/candidate:hermit-candidate-scala",
         "src/thrift/com/twitter/search:earlybird-scala",
         "stitch/stitch-timelineservice/src/main/scala",
-        "strato/config/columns/recommendations/similarity:similarity-strato-client",
-        "strato/src/main/scala/com/twitter/strato/client",
     ],
     exports = [
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BUILD.bazel
index 3ba2d22ae3..4df69c9f9f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BUILD.bazel
@@ -6,13 +6,11 @@ scala_library(
     dependencies = [
         "finagle/finagle-core/src/main",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
-        "joinkey/src/main/scala/com/twitter/joinkey/context",
-        "joinkey/src/main/thrift/com/twitter/joinkey/context:joinkey-context-scala",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
         "product-mixer/core/src/main/java/com/twitter/product_mixer/core/product/guice/scope",
@@ -25,8 +23,6 @@ scala_library(
         "src/thrift/com/twitter/timelineservice/server/suggests/logging:thrift-scala",
         "stringcenter/client",
         "stringcenter/client/src/main/java",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/translation",
         "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeConversationServiceCandidateDecorator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeConversationServiceCandidateDecorator.scala
index 9a94f1c3b4..d145391d43 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeConversationServiceCandidateDecorator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeConversationServiceCandidateDecorator.scala
@@ -1,6 +1,8 @@
 package com.twitter.home_mixer.functional_component.decorator
 
 import com.twitter.home_mixer.functional_component.decorator.builder.HomeConversationModuleMetadataBuilder
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeTimelinesScoreInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleFocalTweetIdFeature
 import com.twitter.product_mixer.component_library.decorator.urt.UrtItemCandidateDecorator
 import com.twitter.product_mixer.component_library.decorator.urt.UrtMultipleModulesDecorator
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/BUILD.bazel
index 66dd7fc383..cb59d1d73d 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/BUILD.bazel
@@ -8,7 +8,9 @@ scala_library(
         "finagle/finagle-core/src/main",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "joinkey/src/main/scala/com/twitter/joinkey/context",
+        "joinkey/src/main/thrift/com/twitter/joinkey/context:joinkey-context-scala",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/decorator/urt/builder",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/response/urt",
@@ -18,6 +20,7 @@ scala_library(
         "src/thrift/com/twitter/timelinescorer/common/scoredtweetcandidate:thrift-scala",
         "src/thrift/com/twitter/timelineservice/server/internal:thrift-scala",
         "src/thrift/com/twitter/timelineservice/server/suggests/logging:thrift-scala",
+        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
         "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeAdsClientEventDetailsBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeAdsClientEventDetailsBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeAdsClientEventDetailsBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeAdsClientEventDetailsBuilder.scala
index c81223a535..eb072f1354 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeAdsClientEventDetailsBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeAdsClientEventDetailsBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.builder
 
 import com.twitter.finagle.tracing.Trace
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeClientEventDetailsBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeClientEventDetailsBuilder.scala
similarity index 98%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeClientEventDetailsBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeClientEventDetailsBuilder.scala
index 801ac0f846..2e4c60d25f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeClientEventDetailsBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeClientEventDetailsBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.builder
 
 import com.twitter.bijection.Base64String
 import com.twitter.bijection.scrooge.BinaryScalaCodec
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTimelinesScoreInfoBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeTimelinesScoreInfoBuilder.scala
similarity index 93%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTimelinesScoreInfoBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeTimelinesScoreInfoBuilder.scala
index bc072ec346..bc934414ce 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTimelinesScoreInfoBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeTimelinesScoreInfoBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
 import com.twitter.home_mixer.param.HomeGlobalParams.EnableSendScoresToClient
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTweetTypePredicates.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeTweetTypePredicates.scala
similarity index 76%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTweetTypePredicates.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeTweetTypePredicates.scala
index 0b06448d76..7272c360da 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTweetTypePredicates.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/HomeTweetTypePredicates.scala
@@ -1,8 +1,10 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.builder
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.model.HomeFeatures._
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.BasicTopicContextFunctionalityType
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RecommendationTopicContextFunctionalityType
 import com.twitter.timelinemixer.injection.model.candidate.SemanticCoreFeatures
 import com.twitter.tweetypie.{thriftscala => tpt}
 
@@ -25,74 +27,76 @@ object HomeTweetTypePredicates {
     (
       "has_exclusive_conversation_author_id",
       _.getOrElse(ExclusiveConversationAuthorIdFeature, None).nonEmpty),
-    ("is_eligible_for_connect_boost", _.getOrElse(AuthorIsEligibleForConnectBoostFeature, false)),
+    ("is_eligible_for_connect_boost", _ => false),
     ("hashtag", _.getOrElse(EarlybirdFeature, None).exists(_.numHashtags > 0)),
     ("has_scheduled_space", _.getOrElse(AudioSpaceMetaDataFeature, None).exists(_.isScheduled)),
     ("has_recorded_space", _.getOrElse(AudioSpaceMetaDataFeature, None).exists(_.isRecorded)),
     ("is_read_from_cache", _.getOrElse(IsReadFromCacheFeature, false)),
-    (
-      "is_self_thread_tweet",
-      _.getOrElse(ConversationFeature, None).exists(_.isSelfThreadTweet.contains(true))),
     ("get_initial", _.getOrElse(GetInitialFeature, false)),
     ("get_newer", _.getOrElse(GetNewerFeature, false)),
     ("get_middle", _.getOrElse(GetMiddleFeature, false)),
     ("get_older", _.getOrElse(GetOlderFeature, false)),
     ("pull_to_refresh", _.getOrElse(PullToRefreshFeature, false)),
     ("polling", _.getOrElse(PollingFeature, false)),
-    ("tls_size_20_plus", _ => false),
-    ("near_empty", _ => false),
-    ("ranked_request", _ => false),
+    ("near_empty", _.getOrElse(ServedSizeFeature, None).exists(_ < 3)),
+    ("is_request_context_launch", _.getOrElse(IsLaunchRequestFeature, false)),
     ("mutual_follow", _.getOrElse(EarlybirdFeature, None).exists(_.fromMutualFollow)),
+    (
+      "less_than_10_mins_since_lnpt",
+      _.getOrElse(LastNonPollingTimeFeature, None).exists(_.untilNow < 10.minutes)),
+    ("served_in_conversation_module", _.getOrElse(ServedInConversationModuleFeature, false)),
     ("has_ticketed_space", _.getOrElse(AudioSpaceMetaDataFeature, None).exists(_.hasTickets)),
     ("in_utis_top5", _.getOrElse(PositionFeature, None).exists(_ < 5)),
-    ("is_utis_pos0", _.getOrElse(PositionFeature, None).exists(_ == 0)),
-    ("is_utis_pos1", _.getOrElse(PositionFeature, None).exists(_ == 1)),
-    ("is_utis_pos2", _.getOrElse(PositionFeature, None).exists(_ == 2)),
-    ("is_utis_pos3", _.getOrElse(PositionFeature, None).exists(_ == 3)),
-    ("is_utis_pos4", _.getOrElse(PositionFeature, None).exists(_ == 4)),
     (
-      "is_signup_request",
-      candidate => candidate.getOrElse(AccountAgeFeature, None).exists(_.untilNow < 30.minutes)),
-    ("empty_request", _ => false),
-    ("served_size_less_than_5", _.getOrElse(ServedSizeFeature, None).exists(_ < 5)),
-    ("served_size_less_than_10", _.getOrElse(ServedSizeFeature, None).exists(_ < 10)),
-    ("served_size_less_than_20", _.getOrElse(ServedSizeFeature, None).exists(_ < 20)),
+      "conversation_module_has_2_displayed_tweets",
+      _.getOrElse(ConversationModule2DisplayedTweetsFeature, false)),
+    ("empty_request", _.getOrElse(ServedSizeFeature, None).exists(_ == 0)),
     ("served_size_less_than_50", _.getOrElse(ServedSizeFeature, None).exists(_ < 50)),
     (
       "served_size_between_50_and_100",
       _.getOrElse(ServedSizeFeature, None).exists(size => size >= 50 && size < 100)),
     ("authored_by_contextual_user", _.getOrElse(AuthoredByContextualUserFeature, false)),
+    (
+      "is_self_thread_tweet",
+      _.getOrElse(ConversationFeature, None).exists(_.isSelfThreadTweet.contains(true))),
     ("has_ancestors", _.getOrElse(AncestorsFeature, Seq.empty).nonEmpty),
     ("full_scoring_succeeded", _.getOrElse(FullScoringSucceededFeature, false)),
+    ("served_size_less_than_20", _.getOrElse(ServedSizeFeature, None).exists(_ < 20)),
+    ("served_size_less_than_10", _.getOrElse(ServedSizeFeature, None).exists(_ < 10)),
+    ("served_size_less_than_5", _.getOrElse(ServedSizeFeature, None).exists(_ < 5)),
     (
       "account_age_less_than_30_minutes",
       _.getOrElse(AccountAgeFeature, None).exists(_.untilNow < 30.minutes)),
+    ("conversation_module_has_gap", _.getOrElse(ConversationModuleHasGapFeature, false)),
+    (
+      "directed_at_user_is_in_first_degree",
+      _.getOrElse(EarlybirdFeature, None).exists(_.directedAtUserIdIsInFirstDegree.contains(true))),
+    (
+      "has_semantic_core_annotation",
+      _.getOrElse(EarlybirdFeature, None).exists(_.semanticCoreAnnotations.nonEmpty)),
+    ("is_request_context_foreground", _.getOrElse(IsForegroundRequestFeature, false)),
     (
       "account_age_less_than_1_day",
       _.getOrElse(AccountAgeFeature, None).exists(_.untilNow < 1.day)),
     (
       "account_age_less_than_7_days",
       _.getOrElse(AccountAgeFeature, None).exists(_.untilNow < 7.days)),
-    (
-      "directed_at_user_is_in_first_degree",
-      _.getOrElse(EarlybirdFeature, None).exists(_.directedAtUserIdIsInFirstDegree.contains(true))),
-    ("root_user_is_in_first_degree", _ => false),
-    (
-      "has_semantic_core_annotation",
-      _.getOrElse(EarlybirdFeature, None).exists(_.semanticCoreAnnotations.nonEmpty)),
-    ("is_request_context_foreground", _.getOrElse(IsForegroundRequestFeature, false)),
     (
       "part_of_utt",
       _.getOrElse(EarlybirdFeature, None)
         .exists(_.semanticCoreAnnotations.exists(_.exists(annotation =>
           annotation.domainId == SemanticCoreFeatures.UnifiedTwitterTaxonomy)))),
+    (
+      "has_home_latest_request_past_week",
+      _.getOrElse(FollowingLastNonPollingTimeFeature, None).exists(_.untilNow < 7.days)),
+    ("is_utis_pos0", _.getOrElse(PositionFeature, None).exists(_ == 0)),
+    ("is_utis_pos1", _.getOrElse(PositionFeature, None).exists(_ == 1)),
+    ("is_utis_pos2", _.getOrElse(PositionFeature, None).exists(_ == 2)),
+    ("is_utis_pos3", _.getOrElse(PositionFeature, None).exists(_ == 3)),
+    ("is_utis_pos4", _.getOrElse(PositionFeature, None).exists(_ == 4)),
     ("is_random_tweet", _.getOrElse(IsRandomTweetFeature, false)),
     ("has_random_tweet_in_response", _.getOrElse(HasRandomTweetFeature, false)),
     ("is_random_tweet_above_in_utis", _.getOrElse(IsRandomTweetAboveFeature, false)),
-    ("is_request_context_launch", _.getOrElse(IsLaunchRequestFeature, false)),
-    ("viewer_is_employee", _ => false),
-    ("viewer_is_timelines_employee", _ => false),
-    ("viewer_follows_any_topics", _.getOrElse(UserFollowedTopicsCountFeature, None).exists(_ > 0)),
     (
       "has_ancestor_authored_by_viewer",
       candidate =>
@@ -100,11 +104,6 @@ object HomeTweetTypePredicates {
           .getOrElse(AncestorsFeature, Seq.empty).exists(ancestor =>
             candidate.getOrElse(ViewerIdFeature, 0L) == ancestor.userId)),
     ("ancestor", _.getOrElse(IsAncestorCandidateFeature, false)),
-    (
-      "root_ancestor",
-      candidate =>
-        candidate.getOrElse(IsAncestorCandidateFeature, false) && candidate
-          .getOrElse(InReplyToTweetIdFeature, None).isEmpty),
     (
       "deep_reply",
       candidate =>
@@ -119,23 +118,22 @@ object HomeTweetTypePredicates {
       "tweet_age_less_than_15_seconds",
       _.getOrElse(OriginalTweetCreationTimeFromSnowflakeFeature, None)
         .exists(_.untilNow <= 15.seconds)),
-    ("is_followed_topic_tweet", _ => false),
-    ("is_recommended_topic_tweet", _ => false),
-    ("is_topic_tweet", _ => false),
-    ("preferred_language_matches_tweet_language", _ => false),
+    (
+      "less_than_1_hour_since_lnpt",
+      _.getOrElse(LastNonPollingTimeFeature, None).exists(_.untilNow < 1.hour)),
+    ("has_gte_10_favs", _.getOrElse(EarlybirdFeature, None).exists(_.favCountV2.exists(_ >= 10))),
     (
       "device_language_matches_tweet_language",
       candidate =>
         candidate.getOrElse(TweetLanguageFeature, None) ==
           candidate.getOrElse(DeviceLanguageFeature, None)),
+    (
+      "root_ancestor",
+      candidate =>
+        candidate.getOrElse(IsAncestorCandidateFeature, false) && candidate
+          .getOrElse(InReplyToTweetIdFeature, None).isEmpty),
     ("question", _.getOrElse(EarlybirdFeature, None).exists(_.hasQuestion.contains(true))),
-    ("in_network", _.getOrElse(FromInNetworkSourceFeature, true)),
-    ("viewer_follows_original_author", _ => false),
-    ("has_account_follow_prompt", _ => false),
-    ("has_relevance_prompt", _ => false),
-    ("has_topic_annotation_haug_prompt", _ => false),
-    ("has_topic_annotation_random_precision_prompt", _ => false),
-    ("has_topic_annotation_prompt", _ => false),
+    ("in_network", _.getOrElse(InNetworkFeature, true)),
     (
       "has_political_annotation",
       _.getOrElse(EarlybirdFeature, None).exists(
@@ -153,9 +151,14 @@ object HomeTweetTypePredicates {
       _.getOrElse(EarlybirdFeature, None)
         .exists(_.conversationControl.exists(_.isInstanceOf[tpt.ConversationControl.Community]))),
     ("has_zero_score", _.getOrElse(ScoreFeature, None).exists(_ == 0.0)),
-    ("is_viewer_not_invited_to_reply", _ => false),
-    ("is_viewer_invited_to_reply", _ => false),
-    ("has_gte_10_favs", _.getOrElse(EarlybirdFeature, None).exists(_.favCountV2.exists(_ >= 10))),
+    (
+      "is_followed_topic_tweet",
+      _.getOrElse(TopicContextFunctionalityTypeFeature, None)
+        .exists(_ == BasicTopicContextFunctionalityType)),
+    (
+      "is_recommended_topic_tweet",
+      _.getOrElse(TopicContextFunctionalityTypeFeature, None)
+        .exists(_ == RecommendationTopicContextFunctionalityType)),
     ("has_gte_100_favs", _.getOrElse(EarlybirdFeature, None).exists(_.favCountV2.exists(_ >= 100))),
     ("has_gte_1k_favs", _.getOrElse(EarlybirdFeature, None).exists(_.favCountV2.exists(_ >= 1000))),
     (
@@ -164,8 +167,6 @@ object HomeTweetTypePredicates {
     (
       "has_gte_100k_favs",
       _.getOrElse(EarlybirdFeature, None).exists(_.favCountV2.exists(_ >= 100000))),
-    ("above_neighbor_is_topic_tweet", _ => false),
-    ("is_topic_tweet_with_neighbor_below", _ => false),
     ("has_audio_space", _.getOrElse(AudioSpaceMetaDataFeature, None).exists(_.hasSpace)),
     ("has_live_audio_space", _.getOrElse(AudioSpaceMetaDataFeature, None).exists(_.isLive)),
     (
@@ -187,6 +188,7 @@ object HomeTweetTypePredicates {
     (
       "has_toxicity_score_above_threshold",
       _.getOrElse(EarlybirdFeature, None).exists(_.toxicityScore.exists(_ > 0.91))),
+    ("is_topic_tweet", _.getOrElse(TopicIdSocialContextFeature, None).isDefined),
     (
       "text_only",
       candidate =>
@@ -204,23 +206,50 @@ object HomeTweetTypePredicates {
     ("has_3_images", _.getOrElse(NumImagesFeature, None).exists(_ == 3)),
     ("has_4_images", _.getOrElse(NumImagesFeature, None).exists(_ == 4)),
     ("has_card", _.getOrElse(EarlybirdFeature, None).exists(_.hasCard)),
-    ("3_or_more_consecutive_not_in_network", _ => false),
-    ("2_or_more_consecutive_not_in_network", _ => false),
-    ("5_out_of_7_not_in_network", _ => false),
-    ("7_out_of_7_not_in_network", _ => false),
-    ("5_out_of_5_not_in_network", _ => false),
     ("user_follow_count_gte_50", _.getOrElse(UserFollowingCountFeature, None).exists(_ > 50)),
-    ("has_liked_by_social_context", _ => false),
-    ("has_followed_by_social_context", _ => false),
-    ("has_topic_social_context", _ => false),
-    ("timeline_entry_has_banner", _ => false),
-    ("served_in_conversation_module", _.getOrElse(ServedInConversationModuleFeature, false)),
     (
-      "conversation_module_has_2_displayed_tweets",
-      _.getOrElse(ConversationModule2DisplayedTweetsFeature, false)),
-    ("conversation_module_has_gap", _.getOrElse(ConversationModuleHasGapFeature, false)),
-    ("served_in_recap_tweet_candidate_module_injection", _ => false),
-    ("served_in_threaded_conversation_module", _ => false)
+      "has_liked_by_social_context",
+      candidateFeatures =>
+        candidateFeatures
+          .getOrElse(SGSValidLikedByUserIdsFeature, Seq.empty)
+          .exists(candidateFeatures
+            .getOrElse(PerspectiveFilteredLikedByUserIdsFeature, Seq.empty).toSet.contains)),
+    (
+      "has_followed_by_social_context",
+      _.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty).nonEmpty),
+    (
+      "has_topic_social_context",
+      candidateFeatures =>
+        candidateFeatures
+          .getOrElse(TopicIdSocialContextFeature, None)
+          .isDefined &&
+          candidateFeatures.getOrElse(TopicContextFunctionalityTypeFeature, None).isDefined),
+    ("video_lte_10_sec", _.getOrElse(VideoDurationMsFeature, None).exists(_ <= 10000)),
+    (
+      "video_bt_10_60_sec",
+      _.getOrElse(VideoDurationMsFeature, None).exists(duration =>
+        duration > 10000 && duration <= 60000)),
+    ("video_gt_60_sec", _.getOrElse(VideoDurationMsFeature, None).exists(_ > 60000)),
+    (
+      "tweet_age_lte_30_minutes",
+      _.getOrElse(OriginalTweetCreationTimeFromSnowflakeFeature, None)
+        .exists(_.untilNow <= 30.minutes)),
+    (
+      "tweet_age_lte_1_hour",
+      _.getOrElse(OriginalTweetCreationTimeFromSnowflakeFeature, None)
+        .exists(_.untilNow <= 1.hour)),
+    (
+      "tweet_age_lte_6_hours",
+      _.getOrElse(OriginalTweetCreationTimeFromSnowflakeFeature, None)
+        .exists(_.untilNow <= 6.hours)),
+    (
+      "tweet_age_lte_12_hours",
+      _.getOrElse(OriginalTweetCreationTimeFromSnowflakeFeature, None)
+        .exists(_.untilNow <= 12.hours)),
+    (
+      "tweet_age_gte_24_hours",
+      _.getOrElse(OriginalTweetCreationTimeFromSnowflakeFeature, None)
+        .exists(_.untilNow >= 24.hours)),
   )
 
   val PredicateMap = CandidatePredicates.toMap
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/ListClientEventDetailsBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/ListClientEventDetailsBuilder.scala
index 4c7927cab1..cfffee0ca5 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/ListClientEventDetailsBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder/ListClientEventDetailsBuilder.scala
@@ -8,7 +8,7 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ti
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.timelineservice.suggests.{thriftscala => st}
 
-object ListClientEventDetailsBuilder
+case class ListClientEventDetailsBuilder(suggestType: st.SuggestType)
     extends BaseClientEventDetailsBuilder[PipelineQuery, UniversalNoun[Any]] {
 
   override def apply(
@@ -20,7 +20,7 @@ object ListClientEventDetailsBuilder
       conversationDetails = None,
       timelinesDetails = Some(
         TimelinesDetails(
-          injectionType = Some(st.SuggestType.OrganicListTweet.name),
+          injectionType = Some(suggestType.name),
           controllerData = None,
           sourceData = None)),
       articleDetails = None,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/AuthorChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/AuthorChildFeedbackActionBuilder.scala
similarity index 95%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/AuthorChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/AuthorChildFeedbackActionBuilder.scala
index 712d853605..dee273f5f4 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/AuthorChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/AuthorChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.ScreenNamesFeature
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
@@ -9,7 +9,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ch
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
 import com.twitter.timelines.service.{thriftscala => t}
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BUILD.bazel
index e3714868ad..3a4f195922 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BUILD.bazel
@@ -4,9 +4,16 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt/builder",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/response/urt",
         "src/thrift/com/twitter/timelines/service:thrift-scala",
         "src/thrift/com/twitter/timelineservice/server/internal:thrift-scala",
+        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BlockUserChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BlockUserChildFeedbackActionBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BlockUserChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BlockUserChildFeedbackActionBuilder.scala
index 2535b24b29..a23b57deeb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/BlockUserChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/BlockUserChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
@@ -13,7 +13,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ri
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RichFeedbackBehaviorBlockUser
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/DontLikeFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/DontLikeFeedbackActionBuilder.scala
similarity index 98%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/DontLikeFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/DontLikeFeedbackActionBuilder.scala
index 344ce668d4..9032b53d9c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/DontLikeFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/DontLikeFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
@@ -17,7 +17,6 @@ import com.twitter.timelines.common.{thriftscala => tlc}
 import com.twitter.timelineservice.model.FeedbackInfo
 import com.twitter.timelineservice.model.FeedbackMetadata
 import com.twitter.timelineservice.{thriftscala => tls}
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/EngagerSocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/EngagerSocialContextBuilder.scala
similarity index 98%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/EngagerSocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/EngagerSocialContextBuilder.scala
index 5e9f405602..950271e4a1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/EngagerSocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/EngagerSocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.RealNamesFeature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ExtendedReplySocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ExtendedReplySocialContextBuilder.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ExtendedReplySocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ExtendedReplySocialContextBuilder.scala
index 88ffa1cd1b..74576eae8b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ExtendedReplySocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ExtendedReplySocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.FocalTweetAuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.FocalTweetInNetworkFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackStrings.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackStrings.scala
new file mode 100644
index 0000000000..8a9c214aab
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackStrings.scala
@@ -0,0 +1,18 @@
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
+
+import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
+import com.twitter.stringcenter.client.ExternalStringRegistry
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+
+@Singleton
+class FeedbackStrings @Inject() (
+  @ProductScoped externalStringRegistryProvider: Provider[ExternalStringRegistry]) {
+  private val externalStringRegistry = externalStringRegistryProvider.get()
+
+  val seeLessOftenFeedbackString =
+    externalStringRegistry.createProdString("Feedback.seeLessOften")
+  val seeLessOftenConfirmationFeedbackString =
+    externalStringRegistry.createProdString("Feedback.seeLessOftenConfirmation")
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/FeedbackUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackUtil.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/FeedbackUtil.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackUtil.scala
index 49e24d0b48..08534f26ea 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/FeedbackUtil.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FeedbackUtil.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.ChildFeedbackAction
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/FollowedBySocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FollowedBySocialContextBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/FollowedBySocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FollowedBySocialContextBuilder.scala
index 0b4882c21f..7554f7b36a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/FollowedBySocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/FollowedBySocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.SGSValidFollowedByUserIdsFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeFeedbackActionInfoBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeFeedbackActionInfoBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeFeedbackActionInfoBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeFeedbackActionInfoBuilder.scala
index 032874ead4..c932f63622 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeFeedbackActionInfoBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeFeedbackActionInfoBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
 import com.twitter.home_mixer.model.request.FollowingProduct
@@ -12,7 +12,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Fe
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.timelines.service.{thriftscala => t}
 import com.twitter.timelines.util.FeedbackMetadataSerializer
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTweetSocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeTweetSocialContextBuilder.scala
similarity index 80%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTweetSocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeTweetSocialContextBuilder.scala
index 4f3e03f6d2..5138f254a9 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/HomeTweetSocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeTweetSocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleFocalTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleIdFeature
@@ -14,10 +14,13 @@ import javax.inject.Singleton
 @Singleton
 case class HomeTweetSocialContextBuilder @Inject() (
   likedBySocialContextBuilder: LikedBySocialContextBuilder,
+  listsSocialContextBuilder: ListsSocialContextBuilder,
   followedBySocialContextBuilder: FollowedBySocialContextBuilder,
   topicSocialContextBuilder: TopicSocialContextBuilder,
   extendedReplySocialContextBuilder: ExtendedReplySocialContextBuilder,
-  receivedReplySocialContextBuilder: ReceivedReplySocialContextBuilder)
+  receivedReplySocialContextBuilder: ReceivedReplySocialContextBuilder,
+  popularVideoSocialContextBuilder: PopularVideoSocialContextBuilder,
+  popularInYourAreaSocialContextBuilder: PopularInYourAreaSocialContextBuilder)
     extends BaseSocialContextBuilder[PipelineQuery, TweetCandidate] {
 
   def apply(
@@ -31,6 +34,9 @@ case class HomeTweetSocialContextBuilder @Inject() (
           likedBySocialContextBuilder(query, candidate, features)
             .orElse(followedBySocialContextBuilder(query, candidate, features))
             .orElse(topicSocialContextBuilder(query, candidate, features))
+            .orElse(popularVideoSocialContextBuilder(query, candidate, features))
+            .orElse(listsSocialContextBuilder(query, candidate, features))
+            .orElse(popularInYourAreaSocialContextBuilder(query, candidate, features))
         case Some(_) =>
           val conversationId = features.getOrElse(ConversationModuleIdFeature, None)
           // Only hydrate the social context into the root tweet in a conversation module
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToFollowFeedbackActionInfoBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToFollowFeedbackActionInfoBuilder.scala
index fd108dc499..49017e8cf3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToFollowFeedbackActionInfoBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToFollowFeedbackActionInfoBuilder.scala
@@ -5,7 +5,6 @@ import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.metadata.BaseFeedbackActionInfoBuilder
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
-import com.twitter.stringcenter.client.ExternalStringRegistry
 import com.twitter.stringcenter.client.StringCenter
 import javax.inject.Inject
 import javax.inject.Provider
@@ -32,12 +31,13 @@ object HomeWhoToFollowFeedbackActionInfoBuilder {
 
 @Singleton
 case class HomeWhoToFollowFeedbackActionInfoBuilder @Inject() (
-  @ProductScoped externalStringRegistryProvider: Provider[ExternalStringRegistry],
+  feedbackStrings: FeedbackStrings,
   @ProductScoped stringCenterProvider: Provider[StringCenter])
     extends BaseFeedbackActionInfoBuilder[PipelineQuery, UserCandidate] {
 
   private val whoToFollowFeedbackActionInfoBuilder = WhoToFollowFeedbackActionInfoBuilder(
-    externalStringRegistry = externalStringRegistryProvider.get(),
+    seeLessOftenFeedbackString = feedbackStrings.seeLessOftenFeedbackString,
+    seeLessOftenConfirmationFeedbackString = feedbackStrings.seeLessOftenConfirmationFeedbackString,
     stringCenter = stringCenterProvider.get(),
     encodedFeedbackRequest = Some(HomeWhoToFollowFeedbackActionInfoBuilder.EncodedFeedbackRequest)
   )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToSubscribeFeedbackActionInfoBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToSubscribeFeedbackActionInfoBuilder.scala
new file mode 100644
index 0000000000..270ea66f6d
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/HomeWhoToSubscribeFeedbackActionInfoBuilder.scala
@@ -0,0 +1,52 @@
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
+
+import com.twitter.product_mixer.component_library.decorator.urt.builder.metadata.WhoToFollowFeedbackActionInfoBuilder
+import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.metadata.BaseFeedbackActionInfoBuilder
+import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
+import com.twitter.stringcenter.client.StringCenter
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.FeedbackActionInfo
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.timelines.service.{thriftscala => tl}
+import com.twitter.timelines.util.FeedbackRequestSerializer
+import com.twitter.timelineservice.suggests.thriftscala.SuggestType
+import com.twitter.timelineservice.thriftscala.FeedbackType
+
+object HomeWhoToSubscribeFeedbackActionInfoBuilder {
+  private val FeedbackMetadata = tl.FeedbackMetadata(
+    injectionType = Some(SuggestType.WhoToSubscribe),
+    engagementType = None,
+    entityIds = Seq.empty,
+    ttlMs = None
+  )
+  private val FeedbackRequest =
+    tl.DefaultFeedbackRequest2(FeedbackType.SeeFewer, FeedbackMetadata)
+  private val EncodedFeedbackRequest =
+    FeedbackRequestSerializer.serialize(tl.FeedbackRequest.DefaultFeedbackRequest2(FeedbackRequest))
+}
+
+@Singleton
+case class HomeWhoToSubscribeFeedbackActionInfoBuilder @Inject() (
+  feedbackStrings: FeedbackStrings,
+  @ProductScoped stringCenterProvider: Provider[StringCenter])
+    extends BaseFeedbackActionInfoBuilder[PipelineQuery, UserCandidate] {
+
+  private val whoToSubscribeFeedbackActionInfoBuilder = WhoToFollowFeedbackActionInfoBuilder(
+    seeLessOftenFeedbackString = feedbackStrings.seeLessOftenFeedbackString,
+    seeLessOftenConfirmationFeedbackString = feedbackStrings.seeLessOftenConfirmationFeedbackString,
+    stringCenter = stringCenterProvider.get(),
+    encodedFeedbackRequest =
+      Some(HomeWhoToSubscribeFeedbackActionInfoBuilder.EncodedFeedbackRequest)
+  )
+
+  override def apply(
+    query: PipelineQuery,
+    candidate: UserCandidate,
+    candidateFeatures: FeatureMap
+  ): Option[FeedbackActionInfo] =
+    whoToSubscribeFeedbackActionInfoBuilder.apply(query, candidate, candidateFeatures)
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/LikedBySocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/LikedBySocialContextBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/LikedBySocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/LikedBySocialContextBuilder.scala
index e2e6f0a232..fbc65be137 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/LikedBySocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/LikedBySocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.PerspectiveFilteredLikedByUserIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.SGSValidLikedByUserIdsFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ListsSocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ListsSocialContextBuilder.scala
new file mode 100644
index 0000000000..e5e7462231
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ListsSocialContextBuilder.scala
@@ -0,0 +1,50 @@
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
+
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.home_mixer.model.HomeFeatures.UserScreenNameFeature
+import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.social_context.BaseSocialContextBuilder
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.SocialContext
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata._
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
+import com.twitter.stringcenter.client.StringCenter
+import com.twitter.timelineservice.suggests.{thriftscala => t}
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+
+/**
+ * "Your Lists" will be rendered for the context and a url link for your lists.
+ */
+@Singleton
+case class ListsSocialContextBuilder @Inject() (
+  externalStrings: HomeMixerExternalStrings,
+  @ProductScoped stringCenterProvider: Provider[StringCenter])
+    extends BaseSocialContextBuilder[PipelineQuery, TweetCandidate] {
+
+  private val stringCenter = stringCenterProvider.get()
+  private val listString = externalStrings.ownedSubscribedListsModuleHeaderString
+
+  def apply(
+    query: PipelineQuery,
+    candidate: TweetCandidate,
+    candidateFeatures: FeatureMap
+  ): Option[SocialContext] = {
+    candidateFeatures.get(SuggestTypeFeature) match {
+      case Some(suggestType) if suggestType == t.SuggestType.RankedListTweet =>
+        val userName = query.features.flatMap(_.getOrElse(UserScreenNameFeature, None))
+        Some(
+          GeneralContext(
+            contextType = ListGeneralContextType,
+            text = stringCenter.prepare(listString),
+            url = userName.map(name => ""),
+            contextImageUrls = None,
+            landingUrl = None
+          ))
+      case _ => None
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/MuteUserChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/MuteUserChildFeedbackActionBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/MuteUserChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/MuteUserChildFeedbackActionBuilder.scala
index 1c8d24ef17..542ed8a677 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/MuteUserChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/MuteUserChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
@@ -12,7 +12,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ri
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RichFeedbackBehaviorToggleMuteUser
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/NotInterestedTopicFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/NotInterestedTopicFeedbackActionBuilder.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/NotInterestedTopicFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/NotInterestedTopicFeedbackActionBuilder.scala
index 7c8aebb07b..2ec520e115 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/NotInterestedTopicFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/NotInterestedTopicFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.PerspectiveFilteredLikedByUserIdsFeature
@@ -15,7 +15,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ri
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RichFeedbackBehaviorMarkNotInterestedTopic
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/NotRelevantChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/NotRelevantChildFeedbackActionBuilder.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/NotRelevantChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/NotRelevantChildFeedbackActionBuilder.scala
index 1e5536e0b7..39df781ce4 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/NotRelevantChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/NotRelevantChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
 import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
@@ -12,7 +12,6 @@ import com.twitter.timelines.common.{thriftscala => tlc}
 import com.twitter.timelineservice.model.FeedbackInfo
 import com.twitter.timelineservice.model.FeedbackMetadata
 import com.twitter.timelineservice.{thriftscala => tlst}
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularInYourAreaSocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularInYourAreaSocialContextBuilder.scala
new file mode 100644
index 0000000000..3782dd115a
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularInYourAreaSocialContextBuilder.scala
@@ -0,0 +1,43 @@
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
+
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.social_context.BaseSocialContextBuilder
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata._
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
+import com.twitter.stringcenter.client.StringCenter
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+
+@Singleton
+case class PopularInYourAreaSocialContextBuilder @Inject() (
+  externalStrings: HomeMixerExternalStrings,
+  @ProductScoped stringCenterProvider: Provider[StringCenter])
+    extends BaseSocialContextBuilder[PipelineQuery, TweetCandidate] {
+
+  private val stringCenter = stringCenterProvider.get()
+  private val popularInYourAreaString = externalStrings.socialContextPopularInYourAreaString
+
+  def apply(
+    query: PipelineQuery,
+    candidate: TweetCandidate,
+    candidateFeatures: FeatureMap
+  ): Option[SocialContext] = {
+    val suggestTypeOpt = candidateFeatures.getOrElse(SuggestTypeFeature, None)
+    if (suggestTypeOpt.contains(st.SuggestType.RecommendedTrendTweet)) {
+      Some(
+        GeneralContext(
+          contextType = LocationGeneralContextType,
+          text = stringCenter.prepare(popularInYourAreaString),
+          url = None,
+          contextImageUrls = None,
+          landingUrl = None
+        ))
+    } else None
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/YouMightLikeSocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularVideoSocialContextBuilder.scala
similarity index 60%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/YouMightLikeSocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularVideoSocialContextBuilder.scala
index e131a67f0c..7eef7f180c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/YouMightLikeSocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/PopularVideoSocialContextBuilder.scala
@@ -1,50 +1,48 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
 import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.social_context.BaseSocialContextBuilder
-import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.SocialContext
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata._
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
+import com.twitter.timelineservice.suggests.{thriftscala => st}
 import javax.inject.Inject
 import javax.inject.Provider
 import javax.inject.Singleton
 
-/**
- * Renders a fixed 'You Might Like' string above all OON Tweets.
- */
 @Singleton
-case class YouMightLikeSocialContextBuilder @Inject() (
+case class PopularVideoSocialContextBuilder @Inject() (
   externalStrings: HomeMixerExternalStrings,
   @ProductScoped stringCenterProvider: Provider[StringCenter])
     extends BaseSocialContextBuilder[PipelineQuery, TweetCandidate] {
 
   private val stringCenter = stringCenterProvider.get()
-  private val youMightLikeString = externalStrings.socialContextYouMightLikeString
+  private val popularVideoString = externalStrings.socialContextPopularVideoString
 
   def apply(
     query: PipelineQuery,
     candidate: TweetCandidate,
     candidateFeatures: FeatureMap
   ): Option[SocialContext] = {
-    val isInNetwork = candidateFeatures.getOrElse(InNetworkFeature, true)
-    val isRetweet = candidateFeatures.getOrElse(IsRetweetFeature, false)
-    if (!isInNetwork && !isRetweet) {
+    val suggestTypeOpt = candidateFeatures.getOrElse(SuggestTypeFeature, None)
+    if (suggestTypeOpt.contains(st.SuggestType.MediaTweet)) {
       Some(
         GeneralContext(
           contextType = SparkleGeneralContextType,
-          text = stringCenter.prepare(youMightLikeString),
+          text = stringCenter.prepare(popularVideoString),
           url = None,
           contextImageUrls = None,
-          landingUrl = None
+          landingUrl = Some(
+            Url(
+              urlType = DeepLink,
+              url = ""
+            )
+          )
         ))
-    } else {
-      None
-    }
+    } else None
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ReceivedReplySocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ReceivedReplySocialContextBuilder.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ReceivedReplySocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ReceivedReplySocialContextBuilder.scala
index a04e9b4aa6..f1af07c980 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ReceivedReplySocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ReceivedReplySocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.FocalTweetInNetworkFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ReportTweetChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ReportTweetChildFeedbackActionBuilder.scala
similarity index 95%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ReportTweetChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ReportTweetChildFeedbackActionBuilder.scala
index 3938a476d0..a4ef0cbb20 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ReportTweetChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/ReportTweetChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
@@ -8,7 +8,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ri
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RichFeedbackBehaviorReportTweet
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/RetweeterChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/RetweeterChildFeedbackActionBuilder.scala
similarity index 95%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/RetweeterChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/RetweeterChildFeedbackActionBuilder.scala
index f2ec8d6f56..006e93b580 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/RetweeterChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/RetweeterChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
@@ -10,7 +10,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ch
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
 import com.twitter.timelines.service.{thriftscala => t}
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/TopicSocialContextBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/TopicSocialContextBuilder.scala
similarity index 95%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/TopicSocialContextBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/TopicSocialContextBuilder.scala
index f9a8c48e6c..7d01382c3f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/TopicSocialContextBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/TopicSocialContextBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.TopicContextFunctionalityTypeFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/UnfollowUserChildFeedbackActionBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/UnfollowUserChildFeedbackActionBuilder.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/UnfollowUserChildFeedbackActionBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/UnfollowUserChildFeedbackActionBuilder.scala
index 8bb700b440..864ee06d9e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/UnfollowUserChildFeedbackActionBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder/UnfollowUserChildFeedbackActionBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.functional_component.decorator.urt.builder
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
@@ -11,7 +11,6 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.Ri
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RichFeedbackBehaviorToggleFollowUser
 import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
 import com.twitter.stringcenter.client.StringCenter
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/BUILD.bazel
index bc7d5247fb..60c104143a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/BUILD.bazel
@@ -4,95 +4,56 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/com/twitter/storehaus:core",
         "configapi/configapi-core/src/main/scala/com/twitter/timelines/configapi",
         "configapi/configapi-decider",
         "finatra/inject/inject-core/src/main/scala",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/earlybird",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/inferred_topic",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/twhin_embeddings",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/content",
         "joinkey/src/main/scala/com/twitter/joinkey/context",
         "joinkey/src/main/thrift/com/twitter/joinkey/context:joinkey-context-scala",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timeline_ranker",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timelines_impression_store",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/topics",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/tweet_is_nsfw",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/tweet_visibility_reason",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/datarecord",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap/datarecord",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source/strato",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/feature_hydrator",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/util",
-        "representation-scorer/server/src/main/scala/com/twitter/representationscorer/common",
-        "representation-scorer/server/src/main/thrift:thrift-scala",
-        "servo/repo/src/main/scala",
         "snowflake/src/main/scala/com/twitter/snowflake/id",
-        "src/java/com/twitter/ml/api/constant",
         "src/java/com/twitter/search/common/util/lang",
-        "src/scala/com/twitter/ml/api/util",
-        "src/scala/com/twitter/timelines/prediction/adapters/real_graph",
-        "src/scala/com/twitter/timelines/prediction/adapters/realtime_interaction_graph",
-        "src/scala/com/twitter/timelines/prediction/adapters/twistly",
-        "src/scala/com/twitter/timelines/prediction/adapters/two_hop_features",
-        "src/scala/com/twitter/timelines/prediction/common/util",
-        "src/scala/com/twitter/timelines/prediction/features/common",
-        "src/scala/com/twitter/timelines/prediction/features/realtime_interaction_graph",
-        "src/scala/com/twitter/timelines/prediction/features/recap",
-        "src/scala/com/twitter/timelines/prediction/features/time_features",
+        "src/scala/com/twitter/timelines/prediction/adapters/request_context",
         "src/thrift/com/twitter/gizmoduck:thrift-scala",
-        "src/thrift/com/twitter/ml/api:data-java",
-        "src/thrift/com/twitter/ml/api:embedding-java",
-        "src/thrift/com/twitter/onboarding/relevance/features:features-java",
         "src/thrift/com/twitter/recos/user_tweet_entity_graph:user_tweet_entity_graph-scala",
         "src/thrift/com/twitter/search:earlybird-scala",
         "src/thrift/com/twitter/search/common:constants-java",
         "src/thrift/com/twitter/socialgraph:thrift-scala",
         "src/thrift/com/twitter/spam/rtf:safety-result-scala",
         "src/thrift/com/twitter/timelineranker:thrift-scala",
-        "src/thrift/com/twitter/timelines/author_features:thrift-java",
-        "src/thrift/com/twitter/timelines/conversation_features:conversation_features-scala",
         "src/thrift/com/twitter/timelines/impression:thrift-scala",
         "src/thrift/com/twitter/timelines/impression_bloom_filter:thrift-scala",
         "src/thrift/com/twitter/timelines/real_graph:real_graph-scala",
         "src/thrift/com/twitter/timelinescorer/common/scoredtweetcandidate:thrift-scala",
-        "src/thrift/com/twitter/topic_recos:topic_recos-thrift-java",
         "src/thrift/com/twitter/tweetypie:service-scala",
         "src/thrift/com/twitter/tweetypie:tweet-scala",
         "src/thrift/com/twitter/user_session_store:thrift-java",
         "src/thrift/com/twitter/wtf/candidate:wtf-candidate-scala",
-        "src/thrift/com/twitter/wtf/real_time_interaction_graph:wtf-real_time_interaction_graph-thrift-java",
         "stitch/stitch-core",
         "stitch/stitch-gizmoduck",
         "stitch/stitch-socialgraph",
         "stitch/stitch-timelineservice",
         "stitch/stitch-tweetypie",
-        "strato/config/columns/topic-signals/tsp",
-        "strato/config/columns/topic-signals/tsp:tsp-strato-client",
         "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/feedback",
         "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/manhattan",
         "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/persistence",
-        "timelines/src/main/scala/com/twitter/timelines/clients/strato/twistly",
-        "timelines/src/main/scala/com/twitter/timelines/clients/user_tweet_entity_graph",
+        "timelines/src/main/scala/com/twitter/timelines/clients/manhattan/store",
         "timelines/src/main/scala/com/twitter/timelines/impressionstore/impressionbloomfilter",
         "timelines/src/main/scala/com/twitter/timelines/impressionstore/store",
         "timelineservice/common/src/main/scala/com/twitter/timelineservice/model",
-        "topic-social-proof/server/src/main/thrift:thrift-scala",
-        "topiclisting/topiclisting-core/src/main/scala/com/twitter/topiclisting",
-        "tweetconvosvc/thrift/src/main/thrift:thrift-scala",
-        "twitter-config/yaml",
         "user_session_store/src/main/scala/com/twitter/user_session_store",
         "util/util-core",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FeedbackHistoryQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FeedbackHistoryQueryFeatureHydrator.scala
index aae96fe003..c0793be4b6 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FeedbackHistoryQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FeedbackHistoryQueryFeatureHydrator.scala
@@ -1,12 +1,10 @@
 package com.twitter.home_mixer.functional_component.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.FeedbackHistoryFeature
-import com.twitter.home_mixer.param.HomeGlobalParams.EnableFeedbackFatigueParam
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
-import com.twitter.product_mixer.core.model.common.Conditionally
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
@@ -17,16 +15,12 @@ import javax.inject.Singleton
 @Singleton
 case class FeedbackHistoryQueryFeatureHydrator @Inject() (
   feedbackHistoryClient: FeedbackHistoryManhattanClient)
-    extends QueryFeatureHydrator[PipelineQuery]
-    with Conditionally[PipelineQuery] {
+    extends QueryFeatureHydrator[PipelineQuery] {
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("FeedbackHistory")
 
   override val features: Set[Feature[_, _]] = Set(FeedbackHistoryFeature)
 
-  override def onlyIf(query: PipelineQuery): Boolean =
-    query.params(EnableFeedbackFatigueParam)
-
   override def hydrate(
     query: PipelineQuery
   ): Stitch[FeatureMap] =
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FollowedTopicsQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FollowedTopicsQueryFeatureHydrator.scala
deleted file mode 100644
index 5e9bae5c91..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FollowedTopicsQueryFeatureHydrator.scala
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
-
-import com.twitter.conversions.DurationOps._
-import com.twitter.home_mixer.model.HomeFeatures.UserFollowedTopicsCountFeature
-import com.twitter.home_mixer.service.HomeMixerAlertConfig
-import com.twitter.product_mixer.component_library.candidate_source.topics.FollowedTopicsCandidateSource
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.candidate_source.strato.StratoKeyView
-import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-case class FollowedTopicsQueryFeatureHydrator @Inject() (
-  followedTopicsCandidateSource: FollowedTopicsCandidateSource)
-    extends QueryFeatureHydrator[PipelineQuery] {
-
-  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("FollowedTopics")
-
-  override val features: Set[Feature[_, _]] = Set(UserFollowedTopicsCountFeature)
-
-  override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
-    val request: StratoKeyView[Long, Unit] = StratoKeyView(query.getRequiredUserId, Unit)
-    followedTopicsCandidateSource(request)
-      .map { topics =>
-        FeatureMapBuilder().add(UserFollowedTopicsCountFeature, Some(topics.size)).build()
-      }.handle {
-        case _ => FeatureMapBuilder().add(UserFollowedTopicsCountFeature, None).build()
-      }
-  }
-
-  override val alerts = Seq(
-    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(99.9),
-    HomeMixerAlertConfig.BusinessHours.defaultLatencyAlert(1500.millis)
-  )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GizmoduckAuthorSafetyFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GizmoduckAuthorSafetyFeatureHydrator.scala
deleted file mode 100644
index 3b13140d18..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GizmoduckAuthorSafetyFeatureHydrator.scala
+++ /dev/null
@@ -1,58 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
-
-import com.twitter.gizmoduck.{thriftscala => gt}
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIsBlueVerifiedFeature
-import com.twitter.home_mixer.param.HomeGlobalParams.EnableGizmoduckAuthorSafetyFeatureHydratorParam
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
-import com.twitter.product_mixer.core.model.common.Conditionally
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import com.twitter.stitch.gizmoduck.Gizmoduck
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GizmoduckAuthorSafetyFeatureHydrator @Inject() (gizmoduck: Gizmoduck)
-    extends CandidateFeatureHydrator[PipelineQuery, TweetCandidate]
-    with Conditionally[PipelineQuery] {
-
-  override val identifier: FeatureHydratorIdentifier =
-    FeatureHydratorIdentifier("GizmoduckAuthorSafety")
-
-  override val features: Set[Feature[_, _]] = Set(AuthorIsBlueVerifiedFeature)
-
-  override def onlyIf(query: PipelineQuery): Boolean =
-    query.params(EnableGizmoduckAuthorSafetyFeatureHydratorParam)
-
-  private val queryFields: Set[gt.QueryFields] = Set(gt.QueryFields.Safety)
-
-  override def apply(
-    query: PipelineQuery,
-    candidate: TweetCandidate,
-    existingFeatures: FeatureMap
-  ): Stitch[FeatureMap] = {
-    val authorIdOption = existingFeatures.getOrElse(AuthorIdFeature, None)
-
-    val blueVerifiedStitch = authorIdOption
-      .map { authorId =>
-        gizmoduck
-          .getUserById(
-            userId = authorId,
-            queryFields = queryFields
-          )
-          .map { _.safety.flatMap(_.isBlueVerified).getOrElse(false) }
-      }.getOrElse(Stitch.False)
-
-    blueVerifiedStitch.map { isBlueVerified =>
-      FeatureMapBuilder()
-        .add(AuthorIsBlueVerifiedFeature, isBlueVerified)
-        .build()
-    }
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ImpressionBloomFilterQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ImpressionBloomFilterQueryFeatureHydrator.scala
index 19b1ab557e..6ece16ce0f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ImpressionBloomFilterQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ImpressionBloomFilterQueryFeatureHydrator.scala
@@ -3,6 +3,7 @@ package com.twitter.home_mixer.functional_component.feature_hydrator
 import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.model.HomeFeatures.ImpressionBloomFilterFeature
 import com.twitter.home_mixer.model.request.HasSeenTweetIds
+import com.twitter.home_mixer.param.HomeGlobalParams.ImpressionBloomFilterFalsePositiveRateParam
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
@@ -11,7 +12,8 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Quer
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
-import com.twitter.timelines.impressionbloomfilter.{thriftscala => t}
+import com.twitter.timelines.clients.manhattan.store.ManhattanStoreClient
+import com.twitter.timelines.impressionbloomfilter.{thriftscala => blm}
 import com.twitter.timelines.impressionstore.impressionbloomfilter.ImpressionBloomFilter
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -19,36 +21,39 @@ import javax.inject.Singleton
 @Singleton
 case class ImpressionBloomFilterQueryFeatureHydrator[
   Query <: PipelineQuery with HasSeenTweetIds] @Inject() (
-  bloomFilter: ImpressionBloomFilter)
-    extends QueryFeatureHydrator[Query] {
+  bloomFilterClient: ManhattanStoreClient[
+    blm.ImpressionBloomFilterKey,
+    blm.ImpressionBloomFilterSeq
+  ]) extends QueryFeatureHydrator[Query] {
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier(
     "ImpressionBloomFilter")
 
   private val ImpressionBloomFilterTTL = 7.day
-  private val ImpressionBloomFilterFalsePositiveRate = 0.002
 
   override val features: Set[Feature[_, _]] = Set(ImpressionBloomFilterFeature)
 
-  private val SurfaceArea = t.SurfaceArea.HomeTimeline
+  private val SurfaceArea = blm.SurfaceArea.HomeTimeline
 
   override def hydrate(query: Query): Stitch[FeatureMap] = {
     val userId = query.getRequiredUserId
-    bloomFilter.getBloomFilterSeq(userId, SurfaceArea).map { bloomFilterSeq =>
-      val updatedBloomFilterSeq =
-        if (query.seenTweetIds.forall(_.isEmpty)) bloomFilterSeq
-        else {
-          bloomFilter.addElements(
-            userId = userId,
-            surfaceArea = SurfaceArea,
-            tweetIds = query.seenTweetIds.get,
-            bloomFilterEntrySeq = bloomFilterSeq,
-            timeToLive = ImpressionBloomFilterTTL,
-            falsePositiveRate = ImpressionBloomFilterFalsePositiveRate
-          )
-        }
-      FeatureMapBuilder().add(ImpressionBloomFilterFeature, updatedBloomFilterSeq).build()
-    }
+    bloomFilterClient
+      .get(blm.ImpressionBloomFilterKey(userId, SurfaceArea))
+      .map(_.getOrElse(blm.ImpressionBloomFilterSeq(Seq.empty)))
+      .map { bloomFilterSeq =>
+        val updatedBloomFilterSeq =
+          if (query.seenTweetIds.forall(_.isEmpty)) bloomFilterSeq
+          else {
+            ImpressionBloomFilter.addSeenTweetIds(
+              surfaceArea = SurfaceArea,
+              tweetIds = query.seenTweetIds.get,
+              bloomFilterSeq = bloomFilterSeq,
+              timeToLive = ImpressionBloomFilterTTL,
+              falsePositiveRate = query.params(ImpressionBloomFilterFalsePositiveRateParam)
+            )
+          }
+        FeatureMapBuilder().add(ImpressionBloomFilterFeature, updatedBloomFilterSeq).build()
+      }
   }
 
   override val alerts = Seq(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/InNetworkFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/InNetworkFeatureHydrator.scala
new file mode 100644
index 0000000000..55f002b1f6
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/InNetworkFeatureHydrator.scala
@@ -0,0 +1,41 @@
+package com.twitter.home_mixer.functional_component.feature_hydrator
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+
+object InNetworkFeatureHydrator
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("InNetwork")
+
+  override val features: Set[Feature[_, _]] = Set(InNetworkFeature)
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = {
+    val viewerId = query.getRequiredUserId
+    val followedUserIds = query.features.get.get(SGSFollowedUsersFeature).toSet
+
+    val featureMaps = candidates.map { candidate =>
+      // We use authorId and not sourceAuthorId here so that retweets are defined as in network
+      val isInNetworkOpt = candidate.features.getOrElse(AuthorIdFeature, None).map { authorId =>
+        // Users cannot follow themselves but this is in network by definition
+        val isSelfTweet = authorId == viewerId
+        isSelfTweet || followedUserIds.contains(authorId)
+      }
+      FeatureMapBuilder().add(InNetworkFeature, isInNetworkOpt.getOrElse(true)).build()
+    }
+    Stitch.value(featureMaps)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PersistenceStoreQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PersistenceStoreQueryFeatureHydrator.scala
index 10f42865c3..b7aae811b9 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PersistenceStoreQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PersistenceStoreQueryFeatureHydrator.scala
@@ -2,8 +2,10 @@ package com.twitter.home_mixer.functional_component.feature_hydrator
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.common_internal.analytics.twitter_client_user_agent_parser.UserAgent
+import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.model.HomeFeatures.PersistenceEntriesFeature
 import com.twitter.home_mixer.model.HomeFeatures.ServedTweetIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.ServedTweetPreviewIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.WhoToFollowExcludedUserIdsFeature
 import com.twitter.home_mixer.model.request.FollowingProduct
 import com.twitter.home_mixer.model.request.ForYouProduct
@@ -27,17 +29,27 @@ import javax.inject.Singleton
 
 @Singleton
 case class PersistenceStoreQueryFeatureHydrator @Inject() (
-  timelineResponseBatchesClient: TimelineResponseBatchesClient[TimelineResponseV3])
+  timelineResponseBatchesClient: TimelineResponseBatchesClient[TimelineResponseV3],
+  statsReceiver: StatsReceiver)
     extends QueryFeatureHydrator[PipelineQuery] {
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("PersistenceStore")
 
+  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
+  private val servedTweetIdsSizeStat = scopedStatsReceiver.stat("ServedTweetIdsSize")
+
   private val WhoToFollowExcludedUserIdsLimit = 1000
-  private val ServedTweetIdsDuration = 1.hour
+  private val ServedTweetIdsDuration = 10.minutes
   private val ServedTweetIdsLimit = 100
+  private val ServedTweetPreviewIdsDuration = 10.hours
+  private val ServedTweetPreviewIdsLimit = 10
 
   override val features: Set[Feature[_, _]] =
-    Set(ServedTweetIdsFeature, PersistenceEntriesFeature, WhoToFollowExcludedUserIdsFeature)
+    Set(
+      ServedTweetIdsFeature,
+      ServedTweetPreviewIdsFeature,
+      PersistenceEntriesFeature,
+      WhoToFollowExcludedUserIdsFeature)
 
   private val supportedClients = Seq(
     ClientPlatform.IPhone,
@@ -80,8 +92,19 @@ case class PersistenceStoreQueryFeatureHydrator @Inject() (
             .flatMap(
               _.entries.flatMap(_.tweetIds(includeSourceTweets = true)).take(ServedTweetIdsLimit))
 
+          servedTweetIdsSizeStat.add(servedTweetIds.size)
+
+          val servedTweetPreviewIds = timelineResponses
+            .filter(_.clientPlatform == clientPlatform)
+            .filter(_.servedTime >= Time.now - ServedTweetPreviewIdsDuration)
+            .sortBy(-_.servedTime.inMilliseconds)
+            .flatMap(_.entries
+              .filter(_.entityIdType == EntityIdType.TweetPreview)
+              .flatMap(_.tweetIds(includeSourceTweets = true)).take(ServedTweetPreviewIdsLimit))
+
           FeatureMapBuilder()
             .add(ServedTweetIdsFeature, servedTweetIds)
+            .add(ServedTweetPreviewIdsFeature, servedTweetPreviewIds)
             .add(PersistenceEntriesFeature, timelineResponses)
             .add(WhoToFollowExcludedUserIdsFeature, whoToFollowUserIds)
             .build()
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PerspectiveFilteredSocialContextFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PerspectiveFilteredSocialContextFeatureHydrator.scala
index 1c8dedc652..602a8b2dcf 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PerspectiveFilteredSocialContextFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/PerspectiveFilteredSocialContextFeatureHydrator.scala
@@ -10,6 +10,7 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.stitch.timelineservice.TimelineService
 import com.twitter.stitch.timelineservice.TimelineService.GetPerspectives
@@ -37,10 +38,10 @@ class PerspectiveFilteredSocialContextFeatureHydrator @Inject() (timelineService
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadStitch {
     val engagingUserIdtoTweetId = candidates.flatMap { candidate =>
       candidate.features
-        .get(FavoritedByUserIdsFeature).take(MaxCountUsers)
+        .getOrElse(FavoritedByUserIdsFeature, Seq.empty).take(MaxCountUsers)
         .map(favoritedBy => favoritedBy -> candidate.candidate.id)
     }
 
@@ -59,7 +60,7 @@ class PerspectiveFilteredSocialContextFeatureHydrator @Inject() (timelineService
 
       candidates.map { candidate =>
         val perspectiveFilteredFavoritedByUserIds: Seq[Long] = candidate.features
-          .get(FavoritedByUserIdsFeature).take(MaxCountUsers)
+          .getOrElse(FavoritedByUserIdsFeature, Seq.empty).take(MaxCountUsers)
           .filter { userId => validUserIdTweetIds.contains((userId, candidate.candidate.id)) }
 
         FeatureMapBuilder()
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphInNetworkScoresQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphInNetworkScoresQueryFeatureHydrator.scala
index f044906255..92ab90f2ce 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphInNetworkScoresQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphInNetworkScoresQueryFeatureHydrator.scala
@@ -32,11 +32,15 @@ case class RealGraphInNetworkScoresQueryFeatureHydrator @Inject() (
       val realGraphScoresFeatures = realGraphFollowedUsers
         .getOrElse(Seq.empty)
         .sortBy(-_.score)
-        .map(candidate => candidate.userId -> candidate.score)
+        .map(candidate => candidate.userId -> scaleScore(candidate.score))
         .take(RealGraphCandidateCount)
         .toMap
 
       FeatureMapBuilder().add(RealGraphInNetworkScoresFeature, realGraphScoresFeatures).build()
     }
   }
+
+  // Rescale Real Graph v2 scores from [0,1] to the v1 scores distribution [1,2.97]
+  private def scaleScore(score: Double): Double =
+    if (score >= 0.0 && score <= 1.0) score * 1.97 + 1.0 else score
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RequestQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RequestQueryFeatureHydrator.scala
index bda746816c..3968c9532a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RequestQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RequestQueryFeatureHydrator.scala
@@ -17,9 +17,13 @@ import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.G
 import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.TopCursor
 import com.twitter.product_mixer.core.pipeline.HasPipelineCursor
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.BadRequest
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
 import com.twitter.search.common.util.lang.ThriftLanguageUtil
 import com.twitter.snowflake.id.SnowflakeId
 import com.twitter.stitch.Stitch
+import com.twitter.timelines.prediction.adapters.request_context.RequestContextAdapter.dowFromTimestamp
+import com.twitter.timelines.prediction.adapters.request_context.RequestContextAdapter.hourFromTimestamp
 import java.util.UUID
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -45,6 +49,9 @@ class RequestQueryFeatureHydrator[
     PullToRefreshFeature,
     RequestJoinIdFeature,
     ServedRequestIdFeature,
+    TimestampFeature,
+    TimestampGMTDowFeature,
+    TimestampGMTHourFeature,
     ViewerIdFeature
   )
 
@@ -67,6 +74,7 @@ class RequestQueryFeatureHydrator[
   override def hydrate(query: Query): Stitch[FeatureMap] = {
     val requestContext = query.deviceContext.flatMap(_.requestContextValue)
     val servedRequestId = UUID.randomUUID.getMostSignificantBits
+    val timestamp = query.queryTime.inMilliseconds
 
     val featureMap = FeatureMapBuilder()
       .add(AccountAgeFeature, query.getOptionalUserId.flatMap(SnowflakeId.timeFromIdOpt))
@@ -97,8 +105,15 @@ class RequestQueryFeatureHydrator[
       .add(PullToRefreshFeature, requestContext.contains(RequestContext.PullToRefresh))
       .add(ServedRequestIdFeature, Some(servedRequestId))
       .add(RequestJoinIdFeature, getRequestJoinId(servedRequestId))
+      .add(TimestampFeature, timestamp)
+      .add(TimestampGMTDowFeature, dowFromTimestamp(timestamp))
+      .add(TimestampGMTHourFeature, hourFromTimestamp(timestamp))
       .add(HasDarkRequestFeature, hasDarkRequest)
-      .add(ViewerIdFeature, query.getRequiredUserId)
+      .add(
+        ViewerIdFeature,
+        query.getOptionalUserId
+          .orElse(query.getGuestId).getOrElse(
+            throw PipelineFailure(BadRequest, "Missing viewer id")))
       .build()
 
     Stitch.value(featureMap)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSFollowedUsersQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSFollowedUsersQueryFeatureHydrator.scala
deleted file mode 100644
index e2aa73de8e..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSFollowedUsersQueryFeatureHydrator.scala
+++ /dev/null
@@ -1,46 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
-
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.socialgraph.{thriftscala => sg}
-import com.twitter.stitch.Stitch
-import com.twitter.stitch.socialgraph.{SocialGraph => SocialGraphStitchClient}
-import javax.inject.Inject
-import javax.inject.Singleton
-
-object SGSFollowedUsersFeature extends Feature[PipelineQuery, Seq[Long]]
-
-@Singleton
-case class SGSFollowedUsersQueryFeatureHydrator @Inject() (
-  socialGraphStitchClient: SocialGraphStitchClient)
-    extends QueryFeatureHydrator[PipelineQuery] {
-
-  override val identifier: FeatureHydratorIdentifier =
-    FeatureHydratorIdentifier("SGSFollowedUsers")
-
-  override val features: Set[Feature[_, _]] = Set(SGSFollowedUsersFeature)
-
-  private val SocialGraphLimit = 14999
-
-  override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
-    val userId = query.getRequiredUserId
-
-    val request = sg.IdsRequest(
-      relationships = Seq(
-        sg.SrcRelationship(userId, sg.RelationshipType.Following, hasRelationship = true),
-        sg.SrcRelationship(userId, sg.RelationshipType.Muting, hasRelationship = false)
-      ),
-      pageRequest = Some(sg.PageRequest(count = Some(SocialGraphLimit)))
-    )
-
-    socialGraphStitchClient
-      .ids(request).map(_.ids)
-      .map { followedUsers =>
-        FeatureMapBuilder().add(SGSFollowedUsersFeature, followedUsers).build()
-      }
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSValidSocialContextFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSValidSocialContextFeatureHydrator.scala
index 1ba706dd18..92c351ecf8 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSValidSocialContextFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SGSValidSocialContextFeatureHydrator.scala
@@ -12,6 +12,7 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.socialgraph.{thriftscala => sg}
 import com.twitter.stitch.Stitch
 import com.twitter.stitch.socialgraph.SocialGraph
@@ -41,8 +42,7 @@ class SGSValidSocialContextFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadStitch {
     val allSocialContextUserIds =
       candidates.flatMap { candidate =>
         candidate.features.getOrElse(FavoritedByUserIdsFeature, Nil).take(MaxCountUsers) ++
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SocialGraphServiceFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SocialGraphServiceFeatureHydrator.scala
deleted file mode 100644
index 729a40e94c..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SocialGraphServiceFeatureHydrator.scala
+++ /dev/null
@@ -1,67 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
-
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.socialgraph.{thriftscala => sg}
-import com.twitter.stitch.Stitch
-import com.twitter.stitch.socialgraph.{SocialGraph => SocialGraphStitchClient}
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SocialGraphServiceFeatureHydrator @Inject() (socialGraphStitchClient: SocialGraphStitchClient)
-    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
-
-  override val identifier: FeatureHydratorIdentifier =
-    FeatureHydratorIdentifier("SocialGraphService")
-
-  override val features: Set[Feature[_, _]] = Set(InNetworkFeature)
-
-  override def apply(
-    query: PipelineQuery,
-    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    val viewerId = query.getRequiredUserId
-
-    // We use authorId and not sourceAuthorId here so that retweets are defined as in network
-    val authorIds = candidates.map(_.features.getOrElse(AuthorIdFeature, None).getOrElse(0L))
-    val distinctNonSelfAuthorIds = authorIds.filter(_ != viewerId).distinct
-
-    val idsRequest = createIdsRequest(
-      userId = viewerId,
-      relationshipTypes = Set(sg.RelationshipType.Following),
-      targetIds = Some(distinctNonSelfAuthorIds)
-    )
-
-    socialGraphStitchClient
-      .ids(request = idsRequest, requestContext = None)
-      .map { idResult =>
-        authorIds.map { authorId =>
-          // Users cannot follow themselves but this is in network by definition
-          val isSelfTweet = authorId == viewerId
-          val inNetworkAuthorIds = idResult.ids.toSet
-          val isInNetwork = isSelfTweet || inNetworkAuthorIds.contains(authorId) || authorId == 0L
-          FeatureMapBuilder().add(InNetworkFeature, isInNetwork).build()
-        }
-      }
-  }
-
-  private def createIdsRequest(
-    userId: Long,
-    relationshipTypes: Set[sg.RelationshipType],
-    targetIds: Option[Seq[Long]] = None
-  ): sg.IdsRequest = sg.IdsRequest(
-    relationshipTypes.map { relationshipType =>
-      sg.SrcRelationship(userId, relationshipType, targets = targetIds)
-    }.toSeq,
-    Some(sg.PageRequest(selectAll = Some(true)))
-  )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TSPInferredTopicFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TSPInferredTopicFeatureHydrator.scala
deleted file mode 100644
index 2e823ebd82..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TSPInferredTopicFeatureHydrator.scala
+++ /dev/null
@@ -1,162 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
-
-import com.twitter.contentrecommender.{thriftscala => cr}
-import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.inferred_topic.InferredTopicAdapter
-import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.TSPMetricTagFeature
-import com.twitter.home_mixer.model.HomeFeatures.TopicContextFunctionalityTypeFeature
-import com.twitter.home_mixer.model.HomeFeatures.TopicIdSocialContextFeature
-import com.twitter.ml.api.DataRecord
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
-import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.BasicTopicContextFunctionalityType
-import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RecommendationTopicContextFunctionalityType
-import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.TopicContextFunctionalityType
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import com.twitter.strato.generated.client.topic_signals.tsp.TopicSocialProofClientColumn
-import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => sid}
-import com.twitter.topiclisting.TopicListingViewerContext
-import com.twitter.tsp.{thriftscala => tsp}
-
-import javax.inject.Inject
-import javax.inject.Singleton
-import scala.collection.JavaConverters._
-
-object TSPInferredTopicFeature extends Feature[TweetCandidate, Map[Long, Double]]
-object TSPInferredTopicDataRecordFeature
-    extends DataRecordInAFeature[TweetCandidate]
-    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
-  override def defaultValue: DataRecord = new DataRecord()
-}
-
-@Singleton
-class TSPInferredTopicFeatureHydrator @Inject() (
-  topicSocialProofClientColumn: TopicSocialProofClientColumn,
-  statsReceiver: StatsReceiver,
-) extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
-
-  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("TSPInferredTopic")
-
-  override val features: Set[Feature[_, _]] =
-    Set(
-      TSPInferredTopicFeature,
-      TSPInferredTopicDataRecordFeature,
-      TopicIdSocialContextFeature,
-      TopicContextFunctionalityTypeFeature)
-
-  private val topK = 3
-
-  private val sourcesToSetSocialProof: Set[sid.CandidateTweetSourceId] = Set(
-    sid.CandidateTweetSourceId.Simcluster,
-    sid.CandidateTweetSourceId.CroonTweet
-  )
-
-  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
-  private val keyFoundCounter = scopedStatsReceiver.counter("key/found")
-  private val keyLossCounter = scopedStatsReceiver.counter("key/loss")
-  private val requestFailCounter = scopedStatsReceiver.counter("request/fail")
-
-  private val DefaultFeatureMap = FeatureMapBuilder()
-    .add(TSPInferredTopicFeature, Map.empty[Long, Double])
-    .add(TSPInferredTopicDataRecordFeature, new DataRecord())
-    .add(TopicIdSocialContextFeature, None)
-    .add(TopicContextFunctionalityTypeFeature, None)
-    .build()
-
-  override def apply(
-    query: PipelineQuery,
-    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    val tags = candidates.collect {
-      case candidate if candidate.features.getTry(TSPMetricTagFeature).isReturn =>
-        candidate.candidate.id -> candidate.features
-          .getOrElse(TSPMetricTagFeature, Set.empty[tsp.MetricTag])
-    }.toMap
-
-    val topicSocialProofRequest =
-      tsp.TopicSocialProofRequest(
-        userId = query.getRequiredUserId,
-        tweetIds = candidates.map(_.candidate.id).toSet,
-        displayLocation = cr.DisplayLocation.HomeTimeline,
-        topicListingSetting = tsp.TopicListingSetting.Followable,
-        context = TopicListingViewerContext.fromClientContext(query.clientContext).toThrift,
-        bypassModes = None,
-        // Only CRMixer source has this data. Convert the CRMixer metric tag to tsp metric tag.
-        tags = if (tags.isEmpty) None else Some(tags)
-      )
-
-    topicSocialProofClientColumn.fetcher
-      .fetch(topicSocialProofRequest)
-      .map(_.v)
-      .map {
-        case Some(response) =>
-          candidates.map { candidate =>
-            val topicWithScores = response.socialProofs.getOrElse(candidate.candidate.id, Seq.empty)
-            if (topicWithScores.nonEmpty) {
-              keyFoundCounter.incr()
-              val (socialProofId, socialProofFunctionalityType) =
-                if (candidate.features
-                    .getOrElse(CandidateSourceIdFeature, None)
-                    .exists(sourcesToSetSocialProof.contains)) {
-                  getSocialProof(topicWithScores)
-                } else {
-                  (None, None)
-                }
-              val inferredTopicFeatures = convertTopicWithScores(topicWithScores)
-              val inferredTopicDataRecord =
-                InferredTopicAdapter.adaptToDataRecords(inferredTopicFeatures).asScala.head
-              FeatureMapBuilder()
-                .add(TSPInferredTopicFeature, inferredTopicFeatures)
-                .add(TSPInferredTopicDataRecordFeature, inferredTopicDataRecord)
-                .add(TopicIdSocialContextFeature, socialProofId)
-                .add(TopicContextFunctionalityTypeFeature, socialProofFunctionalityType)
-                .build()
-            } else {
-              keyLossCounter.incr()
-              DefaultFeatureMap
-            }
-          }
-        case _ =>
-          requestFailCounter.incr()
-          candidates.map { _ =>
-            DefaultFeatureMap
-          }
-      }
-  }
-
-  private def getSocialProof(
-    topicWithScores: Seq[tsp.TopicWithScore]
-  ): (Option[Long], Option[TopicContextFunctionalityType]) = {
-    val followingTopicId = topicWithScores
-      .collectFirst {
-        case tsp.TopicWithScore(topicId, _, _, Some(tsp.TopicFollowType.Following)) =>
-          topicId
-      }
-    if (followingTopicId.nonEmpty) {
-      return (followingTopicId, Some(BasicTopicContextFunctionalityType))
-    }
-    val implicitFollowingId = topicWithScores.collectFirst {
-      case tsp.TopicWithScore(topicId, _, _, Some(tsp.TopicFollowType.ImplicitFollow)) =>
-        topicId
-    }
-    if (implicitFollowingId.nonEmpty) {
-      return (implicitFollowingId, Some(RecommendationTopicContextFunctionalityType))
-    }
-    (None, None)
-  }
-
-  private def convertTopicWithScores(
-    topicWithScores: Seq[tsp.TopicWithScore],
-  ): Map[Long, Double] = {
-    topicWithScores.sortBy(-_.score).take(topK).map(a => (a.topicId, a.score)).toMap
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimeFeaturesHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimeFeaturesHydrator.scala
deleted file mode 100644
index 16661188a2..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimeFeaturesHydrator.scala
+++ /dev/null
@@ -1,251 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
-
-import com.twitter.conversions.DurationOps._
-import com.twitter.home_mixer.model.HomeFeatures.EarlybirdFeature
-import com.twitter.home_mixer.model.HomeFeatures.NonPollingTimesFeature
-import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
-import com.twitter.ml.api.DataRecord
-import com.twitter.ml.api.RichDataRecord
-import com.twitter.ml.api.util.FDsl._
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
-import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.search.common.features.{thriftscala => sc}
-import com.twitter.snowflake.id.SnowflakeId
-import com.twitter.stitch.Stitch
-import com.twitter.timelines.prediction.features.time_features.AccountAgeInterval
-import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures._
-import com.twitter.timelines.prediction.features.time_features.TimeFeatures
-import com.twitter.util.Duration
-import scala.collection.Searching._
-
-object TimeFeaturesDataRecordFeature
-    extends DataRecordInAFeature[TweetCandidate]
-    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
-  override def defaultValue: DataRecord = new DataRecord()
-}
-
-object TimeFeaturesHydrator extends CandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
-
-  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("TimeFeatures")
-
-  override val features: Set[Feature[_, _]] = Set(TimeFeaturesDataRecordFeature)
-
-  override def apply(
-    query: PipelineQuery,
-    candidate: TweetCandidate,
-    existingFeatures: FeatureMap
-  ): Stitch[FeatureMap] = {
-    Stitch.value {
-      val richDataRecord = new RichDataRecord()
-      setTimeFeatures(richDataRecord, candidate, existingFeatures, query)
-      FeatureMapBuilder()
-        .add(TimeFeaturesDataRecordFeature, richDataRecord.getRecord)
-        .build()
-    }
-  }
-
-  private def setTimeFeatures(
-    richDataRecord: RichDataRecord,
-    candidate: TweetCandidate,
-    existingFeatures: FeatureMap,
-    query: PipelineQuery,
-  ): Unit = {
-    val timeFeaturesOpt = getTimeFeatures(query, candidate, existingFeatures)
-    timeFeaturesOpt.foreach(timeFeatures => setFeatures(timeFeatures, richDataRecord))
-  }
-
-  private[feature_hydrator] def getTimeFeatures(
-    query: PipelineQuery,
-    candidate: TweetCandidate,
-    existingFeatures: FeatureMap,
-  ): Option[TimeFeatures] = {
-    for {
-      requestTimestampMs <- Some(query.queryTime.inMilliseconds)
-      tweetId <- Some(candidate.id)
-      viewerId <- query.getOptionalUserId
-      tweetCreationTimeMs <- timeFromTweetOrUserId(tweetId)
-      timeSinceTweetCreation = requestTimestampMs - tweetCreationTimeMs
-      accountAgeDurationOpt = timeFromTweetOrUserId(viewerId).map { viewerAccountCreationTimeMs =>
-        Duration.fromMilliseconds(requestTimestampMs - viewerAccountCreationTimeMs)
-      }
-      timeSinceSourceTweetCreation =
-        existingFeatures
-          .getOrElse(SourceTweetIdFeature, None)
-          .flatMap { sourceTweetId =>
-            timeFromTweetOrUserId(sourceTweetId).map { sourceTweetCreationTimeMs =>
-              requestTimestampMs - sourceTweetCreationTimeMs
-            }
-          }
-          .getOrElse(timeSinceTweetCreation)
-      if (timeSinceTweetCreation > 0 && timeSinceSourceTweetCreation > 0)
-    } yield {
-      val timeFeatures = TimeFeatures(
-        timeSinceTweetCreation = timeSinceTweetCreation,
-        timeSinceSourceTweetCreation = timeSinceSourceTweetCreation,
-        timeSinceViewerAccountCreationSecs = accountAgeDurationOpt.map(_.inSeconds),
-        isDay30NewUser = accountAgeDurationOpt.map(_ < 30.days).getOrElse(false),
-        isMonth12NewUser = accountAgeDurationOpt.map(_ < 365.days).getOrElse(false),
-        accountAgeInterval = accountAgeDurationOpt.flatMap(AccountAgeInterval.fromDuration),
-        isTweetRecycled = false // only set in RecyclableTweetCandidateFilter, but it's not used
-      )
-
-      val timeFeaturesWithLastEngagement = addLastEngagementTimeFeatures(
-        existingFeatures.getOrElse(EarlybirdFeature, None),
-        timeFeatures,
-        timeSinceSourceTweetCreation
-      ).getOrElse(timeFeatures)
-
-      val nonPollingTimestampsMs =
-        query.features.map(_.getOrElse(NonPollingTimesFeature, Seq.empty))
-      val timeFeaturesWithNonPollingOpt = addNonPollingTimeFeatures(
-        timeFeaturesWithLastEngagement,
-        requestTimestampMs,
-        tweetCreationTimeMs,
-        nonPollingTimestampsMs
-      )
-      timeFeaturesWithNonPollingOpt.getOrElse(timeFeaturesWithLastEngagement)
-    }
-  }
-
-  private def timeFromTweetOrUserId(tweetOrUserId: Long): Option[Long] = {
-    if (SnowflakeId.isSnowflakeId(tweetOrUserId))
-      Some(SnowflakeId(tweetOrUserId).time.inMilliseconds)
-    else None
-  }
-
-  private def addLastEngagementTimeFeatures(
-    tweetFeaturesOpt: Option[sc.ThriftTweetFeatures],
-    timeFeatures: TimeFeatures,
-    timeSinceSourceTweetCreation: Long
-  ): Option[TimeFeatures] = {
-    tweetFeaturesOpt.map { tweetFeatures =>
-      val lastFavSinceCreationHrs = tweetFeatures.lastFavSinceCreationHrs.map(_.toDouble)
-      val lastRetweetSinceCreationHrs = tweetFeatures.lastRetweetSinceCreationHrs.map(_.toDouble)
-      val lastReplySinceCreationHrs = tweetFeatures.lastReplySinceCreationHrs.map(_.toDouble)
-      val lastQuoteSinceCreationHrs = tweetFeatures.lastQuoteSinceCreationHrs.map(_.toDouble)
-
-      timeFeatures.copy(
-        lastFavSinceCreationHrs = lastFavSinceCreationHrs,
-        lastRetweetSinceCreationHrs = lastRetweetSinceCreationHrs,
-        lastReplySinceCreationHrs = lastReplySinceCreationHrs,
-        lastQuoteSinceCreationHrs = lastQuoteSinceCreationHrs,
-        timeSinceLastFavoriteHrs = getTimeSinceLastEngagementHrs(
-          lastFavSinceCreationHrs,
-          timeSinceSourceTweetCreation
-        ),
-        timeSinceLastRetweetHrs = getTimeSinceLastEngagementHrs(
-          lastRetweetSinceCreationHrs,
-          timeSinceSourceTweetCreation
-        ),
-        timeSinceLastReplyHrs = getTimeSinceLastEngagementHrs(
-          lastReplySinceCreationHrs,
-          timeSinceSourceTweetCreation
-        ),
-        timeSinceLastQuoteHrs = getTimeSinceLastEngagementHrs(
-          lastQuoteSinceCreationHrs,
-          timeSinceSourceTweetCreation
-        )
-      )
-    }
-  }
-
-  private def addNonPollingTimeFeatures(
-    timeFeatures: TimeFeatures,
-    requestTimestampMs: Long,
-    creationTimeMs: Long,
-    nonPollingTimestampsMs: Option[Seq[Long]]
-  ): Option[TimeFeatures] = {
-    for {
-      nonPollingTimestampsMs <- nonPollingTimestampsMs
-      lastNonPollingTimestampMs <- nonPollingTimestampsMs.headOption
-      earliestNonPollingTimestampMs <- nonPollingTimestampsMs.lastOption
-    } yield {
-      val timeSinceLastNonPollingRequest = requestTimestampMs - lastNonPollingTimestampMs
-      val tweetAgeRatio = timeSinceLastNonPollingRequest / math.max(
-        1.0,
-        timeFeatures.timeSinceTweetCreation
-      )
-      /*
-       * Non-polling timestamps are stored in chronological order.
-       * The latest timestamps occur first, therefore we need to explicitly search in reverse order.
-       */
-      val nonPollingRequestsSinceTweetCreation =
-        if (nonPollingTimestampsMs.nonEmpty) {
-          nonPollingTimestampsMs.search(creationTimeMs)(Ordering[Long].reverse).insertionPoint
-        } else {
-          0
-        }
-      /*
-       * Calculate the average time between non-polling requests; include
-       * request time in this calculation as latest timestamp.
-       */
-      val timeBetweenNonPollingRequestsAvg =
-        (requestTimestampMs - earliestNonPollingTimestampMs) / math
-          .max(1.0, nonPollingTimestampsMs.size)
-      val timeFeaturesWithNonPolling = timeFeatures.copy(
-        timeBetweenNonPollingRequestsAvg = Some(timeBetweenNonPollingRequestsAvg),
-        timeSinceLastNonPollingRequest = Some(timeSinceLastNonPollingRequest),
-        nonPollingRequestsSinceTweetCreation = Some(nonPollingRequestsSinceTweetCreation),
-        tweetAgeRatio = Some(tweetAgeRatio)
-      )
-      timeFeaturesWithNonPolling
-    }
-  }
-
-  private[this] def getTimeSinceLastEngagementHrs(
-    lastEngagementTimeSinceCreationHrsOpt: Option[Double],
-    timeSinceTweetCreation: Long
-  ): Option[Double] = {
-    lastEngagementTimeSinceCreationHrsOpt.map { lastEngagementTimeSinceCreationHrs =>
-      val timeSinceTweetCreationHrs = (timeSinceTweetCreation / (60 * 60 * 1000)).toInt
-      timeSinceTweetCreationHrs - lastEngagementTimeSinceCreationHrs
-    }
-  }
-
-  private def setFeatures(features: TimeFeatures, richDataRecord: RichDataRecord): Unit = {
-    val record = richDataRecord.getRecord
-      .setFeatureValue(IS_TWEET_RECYCLED, features.isTweetRecycled)
-      .setFeatureValue(TIME_SINCE_TWEET_CREATION, features.timeSinceTweetCreation)
-      .setFeatureValueFromOption(
-        TIME_SINCE_VIEWER_ACCOUNT_CREATION_SECS,
-        features.timeSinceViewerAccountCreationSecs)
-      .setFeatureValue(
-        USER_ID_IS_SNOWFLAKE_ID,
-        features.timeSinceViewerAccountCreationSecs.isDefined
-      )
-      .setFeatureValueFromOption(ACCOUNT_AGE_INTERVAL, features.accountAgeInterval.map(_.id.toLong))
-      .setFeatureValue(IS_30_DAY_NEW_USER, features.isDay30NewUser)
-      .setFeatureValue(IS_12_MONTH_NEW_USER, features.isMonth12NewUser)
-      .setFeatureValueFromOption(LAST_FAVORITE_SINCE_CREATION_HRS, features.lastFavSinceCreationHrs)
-      .setFeatureValueFromOption(
-        LAST_RETWEET_SINCE_CREATION_HRS,
-        features.lastRetweetSinceCreationHrs
-      )
-      .setFeatureValueFromOption(LAST_REPLY_SINCE_CREATION_HRS, features.lastReplySinceCreationHrs)
-      .setFeatureValueFromOption(LAST_QUOTE_SINCE_CREATION_HRS, features.lastQuoteSinceCreationHrs)
-      .setFeatureValueFromOption(TIME_SINCE_LAST_FAVORITE_HRS, features.timeSinceLastFavoriteHrs)
-      .setFeatureValueFromOption(TIME_SINCE_LAST_RETWEET_HRS, features.timeSinceLastRetweetHrs)
-      .setFeatureValueFromOption(TIME_SINCE_LAST_REPLY_HRS, features.timeSinceLastReplyHrs)
-      .setFeatureValueFromOption(TIME_SINCE_LAST_QUOTE_HRS, features.timeSinceLastQuoteHrs)
-    /*
-     * set features whose values are optional as some users do not have non-polling timestamps
-     */
-    features.timeBetweenNonPollingRequestsAvg.foreach(
-      record.setFeatureValue(TIME_BETWEEN_NON_POLLING_REQUESTS_AVG, _)
-    )
-    features.timeSinceLastNonPollingRequest.foreach(
-      record.setFeatureValue(TIME_SINCE_LAST_NON_POLLING_REQUEST, _)
-    )
-    features.nonPollingRequestsSinceTweetCreation.foreach(
-      record.setFeatureValue(NON_POLLING_REQUESTS_SINCE_TWEET_CREATION, _)
-    )
-    features.tweetAgeRatio.foreach(record.setFeatureValue(TWEET_AGE_RATIO, _))
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetImpressionsQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetImpressionsQueryFeatureHydrator.scala
index 4e585ec453..0fc6fd1f53 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetImpressionsQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetImpressionsQueryFeatureHydrator.scala
@@ -24,8 +24,8 @@ case class TweetImpressionsQueryFeatureHydrator[
   manhattanTweetImpressionStoreClient: ManhattanTweetImpressionStoreClient)
     extends QueryFeatureHydrator[Query] {
 
-  private val TweetImpressionTTL = 1.day
-  private val TweetImpressionCap = 3000
+  private val TweetImpressionTTL = 2.days
+  private val TweetImpressionCap = 5000
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("TweetImpressions")
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieFeatureHydrator.scala
index 09fc62405d..f2effa1b2b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieFeatureHydrator.scala
@@ -1,6 +1,9 @@
 package com.twitter.home_mixer.functional_component.feature_hydrator
 
+import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsNsfwFeature
@@ -10,11 +13,13 @@ import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.TweetLanguageFeature
 import com.twitter.home_mixer.model.HomeFeatures.TweetTextFeature
 import com.twitter.home_mixer.model.request.FollowingProduct
 import com.twitter.home_mixer.model.request.ForYouProduct
 import com.twitter.home_mixer.model.request.ListTweetsProduct
 import com.twitter.home_mixer.model.request.ScoredTweetsProduct
+import com.twitter.home_mixer.model.request.SubscribedProduct
 import com.twitter.home_mixer.util.tweetypie.RequestFields
 import com.twitter.product_mixer.component_library.feature_hydrator.candidate.tweet_is_nsfw.IsNsfw
 import com.twitter.product_mixer.component_library.feature_hydrator.candidate.tweet_visibility_reason.VisibilityReason
@@ -29,17 +34,22 @@ import com.twitter.spam.rtf.{thriftscala => rtf}
 import com.twitter.stitch.Stitch
 import com.twitter.stitch.tweetypie.{TweetyPie => TweetypieStitchClient}
 import com.twitter.tweetypie.{thriftscala => tp}
+import com.twitter.util.logging.Logging
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitchClient)
-    extends CandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+class TweetypieFeatureHydrator @Inject() (
+  tweetypieStitchClient: TweetypieStitchClient,
+  statsReceiver: StatsReceiver)
+    extends CandidateFeatureHydrator[PipelineQuery, TweetCandidate]
+    with Logging {
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("Tweetypie")
 
   override val features: Set[Feature[_, _]] = Set(
     AuthorIdFeature,
+    ExclusiveConversationAuthorIdFeature,
     InReplyToTweetIdFeature,
     IsHydratedFeature,
     IsNsfw,
@@ -51,6 +61,7 @@ class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitch
     SourceTweetIdFeature,
     SourceUserIdFeature,
     TweetTextFeature,
+    TweetLanguageFeature,
     VisibilityReason
   )
 
@@ -70,9 +81,12 @@ class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitch
   ): Stitch[FeatureMap] = {
     val safetyLevel = query.product match {
       case FollowingProduct => rtf.SafetyLevel.TimelineHomeLatest
-      case ForYouProduct => rtf.SafetyLevel.TimelineHome
+      case ForYouProduct =>
+        val inNetwork = existingFeatures.getOrElse(InNetworkFeature, true)
+        if (inNetwork) rtf.SafetyLevel.TimelineHome else rtf.SafetyLevel.TimelineHomeRecommendations
       case ScoredTweetsProduct => rtf.SafetyLevel.TimelineHome
       case ListTweetsProduct => rtf.SafetyLevel.TimelineLists
+      case SubscribedProduct => rtf.SafetyLevel.TimelineHomeSubscribed
       case unknown => throw new UnsupportedOperationException(s"Unknown product: $unknown")
     }
 
@@ -82,9 +96,12 @@ class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitch
       includeQuotedTweet = true,
       visibilityPolicy = tp.TweetVisibilityPolicy.UserVisible,
       safetyLevel = Some(safetyLevel),
-      forUserId = Some(query.getRequiredUserId)
+      forUserId = query.getOptionalUserId
     )
 
+    val exclusiveAuthorIdOpt =
+      existingFeatures.getOrElse(ExclusiveConversationAuthorIdFeature, None)
+
     tweetypieStitchClient.getTweetFields(tweetId = candidate.id, options = tweetFieldsOptions).map {
       case tp.GetTweetFieldsResult(_, tp.TweetFieldsResultState.Found(found), quoteOpt, _) =>
         val coreData = found.tweet.coreData
@@ -106,6 +123,7 @@ class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitch
           found.retweetedTweet.exists(_.coreData.exists(data => data.nsfwAdmin || data.nsfwUser))
 
         val tweetText = coreData.map(_.text)
+        val tweetLanguage = found.tweet.language.map(_.language)
 
         val tweetAuthorId = coreData.map(_.userId)
         val inReplyToTweetId = coreData.flatMap(_.reply.flatMap(_.inReplyToStatusId))
@@ -127,6 +145,7 @@ class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitch
 
         FeatureMapBuilder()
           .add(AuthorIdFeature, tweetAuthorId)
+          .add(ExclusiveConversationAuthorIdFeature, exclusiveAuthorIdOpt)
           .add(InReplyToTweetIdFeature, inReplyToTweetId)
           .add(IsHydratedFeature, true)
           .add(IsNsfw, Some(isNsfw))
@@ -137,20 +156,24 @@ class TweetypieFeatureHydrator @Inject() (tweetypieStitchClient: TweetypieStitch
           .add(QuotedUserIdFeature, quotedTweetUserId)
           .add(SourceTweetIdFeature, retweetedTweetId)
           .add(SourceUserIdFeature, retweetedTweetUserId)
+          .add(TweetLanguageFeature, tweetLanguage)
           .add(TweetTextFeature, tweetText)
           .add(VisibilityReason, found.suppressReason)
           .build()
 
       // If no tweet result found, return default and pre-existing features
       case _ =>
-        DefaultFeatureMap +
-          (AuthorIdFeature, existingFeatures.getOrElse(AuthorIdFeature, None)) +
-          (InReplyToTweetIdFeature, existingFeatures.getOrElse(InReplyToTweetIdFeature, None)) +
-          (IsRetweetFeature, existingFeatures.getOrElse(IsRetweetFeature, false)) +
-          (QuotedTweetIdFeature, existingFeatures.getOrElse(QuotedTweetIdFeature, None)) +
-          (QuotedUserIdFeature, existingFeatures.getOrElse(QuotedUserIdFeature, None)) +
-          (SourceTweetIdFeature, existingFeatures.getOrElse(SourceTweetIdFeature, None)) +
-          (SourceUserIdFeature, existingFeatures.getOrElse(SourceUserIdFeature, None))
+        DefaultFeatureMap ++ FeatureMapBuilder()
+          .add(AuthorIdFeature, existingFeatures.getOrElse(AuthorIdFeature, None))
+          .add(ExclusiveConversationAuthorIdFeature, exclusiveAuthorIdOpt)
+          .add(InReplyToTweetIdFeature, existingFeatures.getOrElse(InReplyToTweetIdFeature, None))
+          .add(IsRetweetFeature, existingFeatures.getOrElse(IsRetweetFeature, false))
+          .add(QuotedTweetIdFeature, existingFeatures.getOrElse(QuotedTweetIdFeature, None))
+          .add(QuotedUserIdFeature, existingFeatures.getOrElse(QuotedUserIdFeature, None))
+          .add(SourceTweetIdFeature, existingFeatures.getOrElse(SourceTweetIdFeature, None))
+          .add(SourceUserIdFeature, existingFeatures.getOrElse(SourceUserIdFeature, None))
+          .add(TweetLanguageFeature, existingFeatures.getOrElse(TweetLanguageFeature, None))
+          .build()
     }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala
deleted file mode 100644
index 06fc42a538..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala
+++ /dev/null
@@ -1,59 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.author_features
-
-import com.twitter.ml.api.DataRecordMerger
-import com.twitter.ml.api.Feature
-import com.twitter.ml.api.FeatureContext
-import com.twitter.ml.api.RichDataRecord
-import com.twitter.ml.api.util.CompactDataRecordConverter
-import com.twitter.ml.api.util.FDsl._
-import com.twitter.timelines.author_features.v1.{thriftjava => af}
-import com.twitter.timelines.prediction.common.adapters.TimelinesMutatingAdapterBase
-import com.twitter.timelines.prediction.common.aggregates.TimelinesAggregationConfig
-import com.twitter.timelines.prediction.features.user_health.UserHealthFeatures
-
-object AuthorFeaturesAdapter extends TimelinesMutatingAdapterBase[Option[af.AuthorFeatures]] {
-
-  private val originalAuthorAggregatesFeatures =
-    TimelinesAggregationConfig.originalAuthorReciprocalEngagementAggregates
-      .buildTypedAggregateGroups().flatMap(_.allOutputFeatures)
-  private val authorFeatures = originalAuthorAggregatesFeatures ++
-    Seq(
-      UserHealthFeatures.AuthorState,
-      UserHealthFeatures.NumAuthorFollowers,
-      UserHealthFeatures.NumAuthorConnectDays,
-      UserHealthFeatures.NumAuthorConnect)
-  private val featureContext = new FeatureContext(authorFeatures: _*)
-
-  override def getFeatureContext: FeatureContext = featureContext
-
-  override val commonFeatures: Set[Feature[_]] = Set.empty
-
-  private val compactDataRecordConverter = new CompactDataRecordConverter()
-  private val drMerger = new DataRecordMerger()
-
-  override def setFeatures(
-    authorFeaturesOpt: Option[af.AuthorFeatures],
-    richDataRecord: RichDataRecord
-  ): Unit = {
-    authorFeaturesOpt.foreach { authorFeatures =>
-      val dataRecord = richDataRecord.getRecord
-
-      dataRecord.setFeatureValue(
-        UserHealthFeatures.AuthorState,
-        authorFeatures.user_health.user_state.getValue.toLong)
-      dataRecord.setFeatureValue(
-        UserHealthFeatures.NumAuthorFollowers,
-        authorFeatures.user_health.num_followers.toDouble)
-      dataRecord.setFeatureValue(
-        UserHealthFeatures.NumAuthorConnectDays,
-        authorFeatures.user_health.num_connect_days.toDouble)
-      dataRecord.setFeatureValue(
-        UserHealthFeatures.NumAuthorConnect,
-        authorFeatures.user_health.num_connect.toDouble)
-
-      val originalAuthorAggregatesDataRecord =
-        compactDataRecordConverter.compactDataRecordToDataRecord(authorFeatures.aggregates)
-      drMerger.merge(dataRecord, originalAuthorAggregatesDataRecord)
-    }
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala
deleted file mode 100644
index fb5c9e2fb2..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
-
-import com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates.EdgeAggregateFeatures._
-import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class Phase2EdgeAggregateFeatureHydrator @Inject() extends BaseEdgeAggregateFeatureHydrator {
-
-  override val identifier: FeatureHydratorIdentifier =
-    FeatureHydratorIdentifier("Phase2EdgeAggregate")
-
-  override val aggregateFeatures: Set[BaseEdgeAggregateFeature] =
-    Set(
-      UserEngagerAggregateFeature,
-      UserEngagerGoodClickAggregateFeature,
-      UserInferredTopicAggregateFeature,
-      UserTopicAggregateFeature,
-      UserMediaUnderstandingAnnotationAggregateFeature
-    )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/BUILD.bazel
index 00885f70aa..59284224b8 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/BUILD.bazel
@@ -4,6 +4,7 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
@@ -16,9 +17,11 @@ scala_library(
         "src/thrift/com/twitter/tweetypie:service-scala",
         "src/thrift/com/twitter/tweetypie:tweet-scala",
         "stitch/stitch-core",
+        "stitch/stitch-socialgraph",
         "stitch/stitch-tweetypie",
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
         "timelineservice/common/src/main/scala/com/twitter/timelineservice/model",
+        "util/util-slf4j-api/src/main/scala",
     ],
     exports = [
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/FeedbackFatigueFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/FeedbackFatigueFilter.scala
index 5b6541f512..582583e7fe 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/FeedbackFatigueFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/FeedbackFatigueFilter.scala
@@ -72,7 +72,7 @@ object FeedbackFatigueFilter
 
       originalAuthorId.exists(authorsToFilter.contains) ||
       (likers.nonEmpty && eligibleLikers.isEmpty) ||
-      (followers.nonEmpty && eligibleFollowers.isEmpty) ||
+      (followers.nonEmpty && eligibleFollowers.isEmpty && likers.isEmpty) ||
       (candidate.features.getOrElse(IsRetweetFeature, false) &&
       authorId.exists(retweetersToFilter.contains))
     }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/InvalidSubscriptionTweetFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/InvalidSubscriptionTweetFilter.scala
new file mode 100644
index 0000000000..285eec49fb
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/InvalidSubscriptionTweetFilter.scala
@@ -0,0 +1,70 @@
+package com.twitter.home_mixer.functional_component.filter
+
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.finagle.tracing.Trace
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.filter.FilterResult
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.socialgraph.{thriftscala => sg}
+import com.twitter.stitch.Stitch
+import com.twitter.stitch.socialgraph.SocialGraph
+import com.twitter.util.logging.Logging
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Exclude invalid subscription tweets - cases where the viewer is not subscribed to the author
+ *
+ * If SGS hydration fails, `SGSInvalidSubscriptionTweetFeature` will be set to None for
+ * subscription tweets, so we explicitly filter those tweets out.
+ */
+@Singleton
+case class InvalidSubscriptionTweetFilter @Inject() (
+  socialGraphClient: SocialGraph,
+  statsReceiver: StatsReceiver)
+    extends Filter[PipelineQuery, TweetCandidate]
+    with Logging {
+
+  override val identifier: FilterIdentifier = FilterIdentifier("InvalidSubscriptionTweet")
+
+  private val scopedStatsReceiver = statsReceiver.scope(identifier.toString)
+  private val validCounter = scopedStatsReceiver.counter("validExclusiveTweet")
+  private val invalidCounter = scopedStatsReceiver.counter("invalidExclusiveTweet")
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[FilterResult[TweetCandidate]] = Stitch
+    .traverse(candidates) { candidate =>
+      val exclusiveAuthorId =
+        candidate.features.getOrElse(ExclusiveConversationAuthorIdFeature, None)
+
+      if (exclusiveAuthorId.isDefined) {
+        val request = sg.ExistsRequest(
+          source = query.getRequiredUserId,
+          target = exclusiveAuthorId.get,
+          relationships =
+            Seq(sg.Relationship(sg.RelationshipType.TierOneSuperFollowing, hasRelationship = true)),
+        )
+        socialGraphClient.exists(request).map(_.exists).map { valid =>
+          if (!valid) invalidCounter.incr() else validCounter.incr()
+          valid
+        }
+      } else Stitch.value(true)
+    }.map { validResults =>
+      val (kept, removed) = candidates
+        .map(_.candidate)
+        .zip(validResults)
+        .partition { case (candidate, valid) => valid }
+
+      val keptCandidates = kept.map { case (candidate, _) => candidate }
+      val removedCandidates = removed.map { case (candidate, _) => candidate }
+
+      FilterResult(kept = keptCandidates, removed = removedCandidates)
+    }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PredicateFeatureFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PredicateFeatureFilter.scala
deleted file mode 100644
index ae1fe9f49a..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PredicateFeatureFilter.scala
+++ /dev/null
@@ -1,59 +0,0 @@
-package com.twitter.home_mixer.functional_component.filter
-
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.functional_component.filter.Filter
-import com.twitter.product_mixer.core.functional_component.filter.FilterResult
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.UniversalNoun
-import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-
-/**
- * Predicate which will be applied to each candidate. True indicates that the candidate will be
- * @tparam Candidate - the type of the candidate
- */
-trait ShouldKeepCandidate {
-  def apply(features: FeatureMap): Boolean
-}
-
-object PredicateFeatureFilter {
-
-  /**
-   * Builds a simple Filter out of a predicate function from the candidate to a boolean. For clarity,
-   * we recommend including the name of the shouldKeepCandidate parameter.
-   *
-   * @param identifier A FilterIdentifier for the new filter
-   * @param shouldKeepCandidate A predicate function. Candidates will be kept when
-   *                            this function returns True.
-   */
-  def fromPredicate[Candidate <: UniversalNoun[Any]](
-    identifier: FilterIdentifier,
-    shouldKeepCandidate: ShouldKeepCandidate
-  ): Filter[PipelineQuery, Candidate] = {
-    val i = identifier
-
-    new Filter[PipelineQuery, Candidate] {
-      override val identifier: FilterIdentifier = i
-
-      /**
-       * Filter the list of candidates
-       *
-       * @return a FilterResult including both the list of kept candidate and the list of removed candidates
-       */
-      override def apply(
-        query: PipelineQuery,
-        candidates: Seq[CandidateWithFeatures[Candidate]]
-      ): Stitch[FilterResult[Candidate]] = {
-        val allowedIds = candidates
-          .filter(candidate => shouldKeepCandidate(candidate.features)).map(_.candidate.id).toSet
-
-        val (keptCandidates, removedCandidates) = candidates.map(_.candidate).partition {
-          candidate => allowedIds.contains(candidate.id)
-        }
-
-        Stitch.value(FilterResult(kept = keptCandidates, removed = removedCandidates))
-      }
-    }
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/KeepBestOutOfNetworkTweetPerAuthorFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PreviouslyServedTweetPreviewsFilter.scala
similarity index 55%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/KeepBestOutOfNetworkTweetPerAuthorFilter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PreviouslyServedTweetPreviewsFilter.scala
index 87c324b897..0ff8204791 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/KeepBestOutOfNetworkTweetPerAuthorFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/PreviouslyServedTweetPreviewsFilter.scala
@@ -1,8 +1,6 @@
 package com.twitter.home_mixer.functional_component.filter
 
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.ServedTweetPreviewIdsFeature
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.filter.Filter
 import com.twitter.product_mixer.core.functional_component.filter.FilterResult
@@ -11,24 +9,20 @@ import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
 
-object KeepBestOutOfNetworkTweetPerAuthorFilter extends Filter[PipelineQuery, TweetCandidate] {
+object PreviouslyServedTweetPreviewsFilter extends Filter[PipelineQuery, TweetCandidate] {
 
-  override val identifier: FilterIdentifier = FilterIdentifier("KeepBestOutOfNetworkTweetPerAuthor")
+  override val identifier: FilterIdentifier = FilterIdentifier("PreviouslyServedTweetPreviews")
 
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
   ): Stitch[FilterResult[TweetCandidate]] = {
-    // Set containing best OON tweet for each authorId
-    val bestCandidatesForAuthorId = candidates
-      .filter(!_.features.getOrElse(InNetworkFeature, true))
-      .groupBy(_.features.getOrElse(AuthorIdFeature, None))
-      .values.map(_.maxBy(_.features.getOrElse(ScoreFeature, None)))
-      .toSet
+
+    val servedTweetPreviewIds =
+      query.features.map(_.getOrElse(ServedTweetPreviewIdsFeature, Seq.empty)).toSeq.flatten.toSet
 
     val (removed, kept) = candidates.partition { candidate =>
-      !candidate.features.getOrElse(InNetworkFeature, true) &&
-      !bestCandidatesForAuthorId.contains(candidate)
+      servedTweetPreviewIds.contains(candidate.candidate.id)
     }
 
     Stitch.value(FilterResult(kept = kept.map(_.candidate), removed = removed.map(_.candidate)))
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/ReplyFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/ReplyFilter.scala
new file mode 100644
index 0000000000..a1b99df664
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/ReplyFilter.scala
@@ -0,0 +1,32 @@
+package com.twitter.home_mixer.functional_component.filter
+
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.filter.FilterResult
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+
+object ReplyFilter extends Filter[PipelineQuery, TweetCandidate] {
+  override val identifier: FilterIdentifier = FilterIdentifier("Reply")
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[FilterResult[TweetCandidate]] = {
+
+    val (kept, removed) = candidates
+      .partition { candidate =>
+        candidate.features.getOrElse(InReplyToTweetIdFeature, None).isEmpty
+      }
+
+    val filterResult = FilterResult(
+      kept = kept.map(_.candidate),
+      removed = removed.map(_.candidate)
+    )
+
+    Stitch.value(filterResult)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetFilter.scala
new file mode 100644
index 0000000000..0ffc4b00cd
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetFilter.scala
@@ -0,0 +1,32 @@
+package com.twitter.home_mixer.functional_component.filter
+
+import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.filter.FilterResult
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+
+object RetweetFilter extends Filter[PipelineQuery, TweetCandidate] {
+  override val identifier: FilterIdentifier = FilterIdentifier("Retweet")
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[FilterResult[TweetCandidate]] = {
+
+    val (kept, removed) = candidates
+      .partition { candidate =>
+        !candidate.features.getOrElse(IsRetweetFeature, false)
+      }
+
+    val filterResult = FilterResult(
+      kept = kept.map(_.candidate),
+      removed = removed.map(_.candidate)
+    )
+
+    Stitch.value(filterResult)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/BUILD.bazel
index d3b77dda87..6be06dee91 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/BUILD.bazel
@@ -14,7 +14,6 @@ scala_library(
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/gate",
         "src/thrift/com/twitter/gizmoduck:thrift-scala",
         "stitch/stitch-socialgraph",
-        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/manhattan",
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
         "timelineservice/common/src/main/scala/com/twitter/timelineservice/model",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/DismissFatigueGate.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/DismissFatigueGate.scala
index c97a3931eb..b35a6cda54 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/DismissFatigueGate.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/DismissFatigueGate.scala
@@ -1,14 +1,14 @@
 package com.twitter.home_mixer.functional_component.gate
 
+import com.twitter.conversions.DurationOps._
+import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.functional_component.gate.Gate
 import com.twitter.product_mixer.core.model.common.identifier.GateIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.timelinemixer.clients.manhattan.DismissInfo
 import com.twitter.stitch.Stitch
-import com.twitter.util.Duration
-import com.twitter.conversions.DurationOps._
-import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.timelinemixer.clients.manhattan.DismissInfo
 import com.twitter.timelineservice.suggests.thriftscala.SuggestType
+import com.twitter.util.Duration
 
 object DismissFatigueGate {
   // how long a dismiss action from user needs to be respected
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/NonEmptySeqFeatureGate.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/NonEmptySeqFeatureGate.scala
deleted file mode 100644
index ef3bc5cff0..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/NonEmptySeqFeatureGate.scala
+++ /dev/null
@@ -1,18 +0,0 @@
-package com.twitter.home_mixer.functional_component.gate
-
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.functional_component.gate.Gate
-import com.twitter.product_mixer.core.model.common.identifier.GateIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import scala.reflect.runtime.universe._
-
-case class NonEmptySeqFeatureGate[T: TypeTag](
-  feature: Feature[PipelineQuery, Seq[T]])
-    extends Gate[PipelineQuery] {
-
-  override val identifier: GateIdentifier = GateIdentifier(s"NonEmptySeq$feature")
-
-  override def shouldContinue(query: PipelineQuery): Stitch[Boolean] =
-    Stitch.value(query.features.exists(_.get(feature).nonEmpty))
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/query_transformer/EditedTweetsCandidatePipelineQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/query_transformer/EditedTweetsCandidatePipelineQueryTransformer.scala
index 731f7166e7..8753f2f283 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/query_transformer/EditedTweetsCandidatePipelineQueryTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/query_transformer/EditedTweetsCandidatePipelineQueryTransformer.scala
@@ -19,7 +19,7 @@ object EditedTweetsCandidatePipelineQueryTransformer
   override val identifier: TransformerIdentifier = TransformerIdentifier("EditedTweets")
 
   // The time window for which a tweet remains editable after creation.
-  private val EditTimeWindow = 30.minutes
+  private val EditTimeWindow = 60.minutes
 
   override def transform(query: PipelineQuery): Seq[Long] = {
     val applicableCandidates = getApplicableCandidates(query)
@@ -29,8 +29,8 @@ object EditedTweetsCandidatePipelineQueryTransformer
       // Any tweets in it could have become stale since being served.
       val previousTimelineLoadTime = applicableCandidates.head.servedTime
 
-      // The time window for editing a tweet is 30 minutes,
-      // so we ignore responses older than (PTL Time - 30 mins).
+      // The time window for editing a tweet is 60 minutes,
+      // so we ignore responses older than (PTL Time - 60 mins).
       val inWindowCandidates: Seq[PersistenceStoreEntry] = applicableCandidates
         .takeWhile(_.servedTime.until(previousTimelineLoadTime) < EditTimeWindow)
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/BUILD.bazel
index 94a648e3aa..99605204cb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/BUILD.bazel
@@ -6,7 +6,6 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/FeedbackFatigueScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/FeedbackFatigueScorer.scala
index 98e7aeb644..ceb71139ef 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/FeedbackFatigueScorer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/FeedbackFatigueScorer.scala
@@ -35,8 +35,8 @@ object FeedbackFatigueScorer
   override def onlyIf(query: PipelineQuery): Boolean =
     query.features.exists(_.getOrElse(FeedbackHistoryFeature, Seq.empty).nonEmpty)
 
-  private val DurationForFiltering = 14.days
-  private val DurationForDiscounting = 140.days
+  val DurationForFiltering = 14.days
+  val DurationForDiscounting = 140.days
   private val ScoreMultiplierLowerBound = 0.2
   private val ScoreMultiplierUpperBound = 1.0
   private val ScoreMultiplierIncrementsCount = 4
@@ -76,42 +76,56 @@ object FeedbackFatigueScorer
         feedbackEntriesByEngagementType.getOrElse(tls.FeedbackEngagementType.Retweet, Seq.empty))
 
     val featureMaps = candidates.map { candidate =>
+      val multiplier = getScoreMultiplier(
+        candidate,
+        authorsToDiscount,
+        likersToDiscount,
+        followersToDiscount,
+        retweetersToDiscount
+      )
       val score = candidate.features.getOrElse(ScoreFeature, None)
-
-      val originalAuthorId =
-        CandidatesUtil.getOriginalAuthorId(candidate.features).getOrElse(0L)
-      val originalAuthorMultiplier = authorsToDiscount.getOrElse(originalAuthorId, 1.0)
-
-      val likers = candidate.features.getOrElse(SGSValidLikedByUserIdsFeature, Seq.empty)
-      val likerMultipliers = likers.flatMap(likersToDiscount.get)
-      val likerMultiplier =
-        if (likerMultipliers.nonEmpty && likers.size == likerMultipliers.size)
-          likerMultipliers.max
-        else 1.0
-
-      val followers = candidate.features.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty)
-      val followerMultipliers = followers.flatMap(followersToDiscount.get)
-      val followerMultiplier =
-        if (followerMultipliers.nonEmpty && followers.size == followerMultipliers.size)
-          followerMultipliers.max
-        else 1.0
-
-      val authorId = candidate.features.getOrElse(AuthorIdFeature, None).getOrElse(0L)
-      val retweeterMultiplier =
-        if (candidate.features.getOrElse(IsRetweetFeature, false))
-          retweetersToDiscount.getOrElse(authorId, 1.0)
-        else 1.0
-
-      val multiplier =
-        originalAuthorMultiplier * likerMultiplier * followerMultiplier * retweeterMultiplier
-
       FeatureMapBuilder().add(ScoreFeature, score.map(_ * multiplier)).build()
     }
 
     Stitch.value(featureMaps)
   }
 
-  private def getUserDiscounts(
+  def getScoreMultiplier(
+    candidate: CandidateWithFeatures[TweetCandidate],
+    authorsToDiscount: Map[Long, Double],
+    likersToDiscount: Map[Long, Double],
+    followersToDiscount: Map[Long, Double],
+    retweetersToDiscount: Map[Long, Double],
+  ): Double = {
+    val originalAuthorId =
+      CandidatesUtil.getOriginalAuthorId(candidate.features).getOrElse(0L)
+    val originalAuthorMultiplier = authorsToDiscount.getOrElse(originalAuthorId, 1.0)
+
+    val likers = candidate.features.getOrElse(SGSValidLikedByUserIdsFeature, Seq.empty)
+    val likerMultipliers = likers.flatMap(likersToDiscount.get)
+    val likerMultiplier =
+      if (likerMultipliers.nonEmpty && likers.size == likerMultipliers.size)
+        likerMultipliers.max
+      else 1.0
+
+    val followers = candidate.features.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty)
+    val followerMultipliers = followers.flatMap(followersToDiscount.get)
+    val followerMultiplier =
+      if (followerMultipliers.nonEmpty && followers.size == followerMultipliers.size &&
+        likers.isEmpty)
+        followerMultipliers.max
+      else 1.0
+
+    val authorId = candidate.features.getOrElse(AuthorIdFeature, None).getOrElse(0L)
+    val retweeterMultiplier =
+      if (candidate.features.getOrElse(IsRetweetFeature, false))
+        retweetersToDiscount.getOrElse(authorId, 1.0)
+      else 1.0
+
+    originalAuthorMultiplier * likerMultiplier * followerMultiplier * retweeterMultiplier
+  }
+
+  def getUserDiscounts(
     queryTime: Time,
     feedbackEntries: Seq[FeedbackEntry],
   ): Map[Long, Double] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/VerifiedAuthorScalingScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/VerifiedAuthorScalingScorer.scala
deleted file mode 100644
index 3644b7d36d..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer/VerifiedAuthorScalingScorer.scala
+++ /dev/null
@@ -1,61 +0,0 @@
-package com.twitter.home_mixer.functional_component.scorer
-
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIsBlueVerifiedFeature
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
-import com.twitter.home_mixer.param.HomeGlobalParams.BlueVerifiedAuthorInNetworkMultiplierParam
-import com.twitter.home_mixer.param.HomeGlobalParams.BlueVerifiedAuthorOutOfNetworkMultiplierParam
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-
-/**
- * Scales scores of tweets whose author is Blue Verified by the provided scale factor
- */
-object VerifiedAuthorScalingScorer extends Scorer[PipelineQuery, TweetCandidate] {
-
-  override val identifier: ScorerIdentifier = ScorerIdentifier("VerifiedAuthorScaling")
-
-  override val features: Set[Feature[_, _]] = Set(ScoreFeature)
-
-  override def apply(
-    query: PipelineQuery,
-    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    Stitch.value {
-      candidates.map { candidate =>
-        val score = candidate.features.getOrElse(ScoreFeature, None)
-        val updatedScore = getUpdatedScore(score, candidate, query)
-        FeatureMapBuilder().add(ScoreFeature, updatedScore).build()
-      }
-    }
-  }
-
-  /**
-   * We should only be applying this multiplier if the author of the candidate is Blue Verified.
-   * We also treat In-Network vs Out-of-Network differently.
-   */
-  private def getUpdatedScore(
-    score: Option[Double],
-    candidate: CandidateWithFeatures[TweetCandidate],
-    query: PipelineQuery
-  ): Option[Double] = {
-    val isAuthorBlueVerified = candidate.features.getOrElse(AuthorIsBlueVerifiedFeature, false)
-
-    if (isAuthorBlueVerified) {
-      val isCandidateInNetwork = candidate.features.getOrElse(InNetworkFeature, false)
-
-      val scaleFactor =
-        if (isCandidateInNetwork) query.params(BlueVerifiedAuthorInNetworkMultiplierParam)
-        else query.params(BlueVerifiedAuthorOutOfNetworkMultiplierParam)
-
-      score.map(_ * scaleFactor)
-    } else score
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/BUILD.bazel
index 0f8ac903b8..3689de6eab 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/BUILD.bazel
@@ -5,6 +5,7 @@ scala_library(
     tags = ["bazel-compatible"],
     dependencies = [
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/UpdateHomeClientEventDetails.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/UpdateHomeClientEventDetails.scala
index 28968e64d4..c7944b5069 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/UpdateHomeClientEventDetails.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector/UpdateHomeClientEventDetails.scala
@@ -1,6 +1,6 @@
 package com.twitter.home_mixer.functional_component.selector
 
-import com.twitter.home_mixer.functional_component.decorator.HomeClientEventDetailsBuilder
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeClientEventDetailsBuilder
 import com.twitter.home_mixer.model.HomeFeatures.AncestorsFeature
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModule2DisplayedTweetsFeature
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleHasGapFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/BUILD.bazel
index c9c0b343cf..f352ce63a2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/BUILD.bazel
@@ -7,14 +7,12 @@ scala_library(
         "3rdparty/jvm/javax/inject:javax.inject",
         "eventbus/client/src/main/scala/com/twitter/eventbus/client",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "kafka/finagle-kafka/finatra-kafka/src/main/scala",
@@ -22,6 +20,7 @@ scala_library(
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/presentation/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/who_to_follow_module",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/who_to_subscribe_module",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/side_effect",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
         "src/scala/com/twitter/timelines/prediction/common/adapters",
@@ -33,13 +32,12 @@ scala_library(
         "src/thrift/com/twitter/timelines/suggests/common:poly_data_record-java",
         "src/thrift/com/twitter/timelines/timeline_logging:thrift-scala",
         "src/thrift/com/twitter/user_session_store:thrift-scala",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/core",
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/uss",
         "timelines/ml:kafka",
         "timelines/ml/cont_train/common/client/src/main/scala/com/twitter/timelines/ml/cont_train/common/client/kafka",
         "timelines/ml/cont_train/common/domain/src/main/scala/com/twitter/timelines/ml/cont_train/common/domain/non_scalding",
         "timelines/src/main/scala/com/twitter/timelines/clientconfig",
+        "timelines/src/main/scala/com/twitter/timelines/clients/manhattan/store",
         "timelines/src/main/scala/com/twitter/timelines/impressionstore/impressionbloomfilter",
         "timelines/src/main/scala/com/twitter/timelines/impressionstore/store",
         "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ClientEventsBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ClientEventsBuilder.scala
index a0233e64eb..a5cf739d38 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ClientEventsBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ClientEventsBuilder.scala
@@ -2,13 +2,14 @@ package com.twitter.home_mixer.functional_component.side_effect
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.functional_component.decorator.HomeQueryTypePredicates
-import com.twitter.home_mixer.functional_component.decorator.HomeTweetTypePredicates
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeTweetTypePredicates
 import com.twitter.home_mixer.model.HomeFeatures.AccountAgeFeature
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
 import com.twitter.home_mixer.model.HomeFeatures.VideoDurationMsFeature
 import com.twitter.home_mixer.model.request.FollowingProduct
 import com.twitter.home_mixer.model.request.ForYouProduct
 import com.twitter.home_mixer.model.request.ListTweetsProduct
+import com.twitter.home_mixer.model.request.SubscribedProduct
 import com.twitter.product_mixer.component_library.side_effect.ScribeClientEventSideEffect.ClientEvent
 import com.twitter.product_mixer.component_library.side_effect.ScribeClientEventSideEffect.EventNamespace
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
@@ -18,15 +19,17 @@ import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.timelines.injection.scribe.InjectionScribeUtil
 
 private[side_effect] sealed trait ClientEventsBuilder {
-  private val FollowingSection = Some("home_latest")
+  private val FollowingSection = Some("latest")
   private val ForYouSection = Some("home")
   private val ListTweetsSection = Some("list")
+  private val SubscribedSection = Some("subscribed")
 
   protected def section(query: PipelineQuery): Option[String] = {
     query.product match {
       case FollowingProduct => FollowingSection
       case ForYouProduct => ForYouSection
       case ListTweetsProduct => ListTweetsSection
+      case SubscribedProduct => SubscribedSection
       case other => throw new UnsupportedOperationException(s"Unknown product: $other")
     }
   }
@@ -52,6 +55,7 @@ private[side_effect] object ServedEventsBuilder extends ClientEventsBuilder {
   private val InjectedComponent = Some("injected")
   private val PromotedComponent = Some("promoted")
   private val WhoToFollowComponent = Some("who_to_follow")
+  private val WhoToSubscribeComponent = Some("who_to_subscribe")
   private val WithVideoDurationComponent = Some("with_video_duration")
   private val VideoDurationSumElement = Some("video_duration_sum")
   private val NumVideosElement = Some("num_videos")
@@ -60,7 +64,8 @@ private[side_effect] object ServedEventsBuilder extends ClientEventsBuilder {
     query: PipelineQuery,
     injectedTweets: Seq[ItemCandidateWithDetails],
     promotedTweets: Seq[ItemCandidateWithDetails],
-    whoToFollowUsers: Seq[ItemCandidateWithDetails]
+    whoToFollowUsers: Seq[ItemCandidateWithDetails],
+    whoToSubscribeUsers: Seq[ItemCandidateWithDetails]
   ): Seq[ClientEvent] = {
     val baseEventNamespace = EventNamespace(
       section = section(query),
@@ -77,6 +82,9 @@ private[side_effect] object ServedEventsBuilder extends ClientEventsBuilder {
       ClientEvent(
         baseEventNamespace.copy(component = WhoToFollowComponent, action = ServedUsersAction),
         eventValue = count(whoToFollowUsers)),
+      ClientEvent(
+        baseEventNamespace.copy(component = WhoToSubscribeComponent, action = ServedUsersAction),
+        eventValue = count(whoToSubscribeUsers)),
     )
 
     val tweetTypeServedEvents = HomeTweetTypePredicates.PredicateMap.map {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeClientEventSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeClientEventSideEffect.scala
index 83f434addb..a8feef707c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeClientEventSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeClientEventSideEffect.scala
@@ -5,6 +5,7 @@ import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.logpipeline.client.common.EventPublisher
 import com.twitter.product_mixer.component_library.side_effect.ScribeClientEventSideEffect
+import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
 import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
@@ -15,16 +16,30 @@ import com.twitter.product_mixer.core.pipeline.PipelineQuery
  * Side effect that logs served tweet metrics to Scribe as client events.
  */
 case class HomeScribeClientEventSideEffect(
+  enableScribeClientEvents: Boolean,
   override val logPipelinePublisher: EventPublisher[LogEvent],
   injectedTweetsCandidatePipelineIdentifiers: Seq[CandidatePipelineIdentifier],
-  adsCandidatePipelineIdentifier: CandidatePipelineIdentifier,
+  adsCandidatePipelineIdentifier: Option[CandidatePipelineIdentifier] = None,
   whoToFollowCandidatePipelineIdentifier: Option[CandidatePipelineIdentifier] = None,
-) extends ScribeClientEventSideEffect[PipelineQuery, Timeline] {
+  whoToSubscribeCandidatePipelineIdentifier: Option[CandidatePipelineIdentifier] = None)
+    extends ScribeClientEventSideEffect[PipelineQuery, Timeline]
+    with PipelineResultSideEffect.Conditionally[
+      PipelineQuery,
+      Timeline
+    ] {
 
   override val identifier: SideEffectIdentifier = SideEffectIdentifier("HomeScribeClientEvent")
 
   override val page = "timelinemixer"
 
+  override def onlyIf(
+    query: PipelineQuery,
+    selectedCandidates: Seq[CandidateWithDetails],
+    remainingCandidates: Seq[CandidateWithDetails],
+    droppedCandidates: Seq[CandidateWithDetails],
+    response: Timeline
+  ): Boolean = enableScribeClientEvents
+
   override def buildClientEvents(
     query: PipelineQuery,
     selectedCandidates: Seq[CandidateWithDetails],
@@ -37,13 +52,15 @@ case class HomeScribeClientEventSideEffect(
     val sources = itemCandidates.groupBy(_.source)
     val injectedTweets =
       injectedTweetsCandidatePipelineIdentifiers.flatMap(sources.getOrElse(_, Seq.empty))
-    val promotedTweets = sources.getOrElse(adsCandidatePipelineIdentifier, Seq.empty)
+    val promotedTweets = adsCandidatePipelineIdentifier.flatMap(sources.get).toSeq.flatten
 
-    // WhoToFollow module is not required for all home-mixer products, e.g. list tweets timeline.
+    // WhoToFollow and WhoToSubscribe modules are not required for all home-mixer products, e.g. list tweets timeline.
     val whoToFollowUsers = whoToFollowCandidatePipelineIdentifier.flatMap(sources.get).toSeq.flatten
+    val whoToSubscribeUsers =
+      whoToSubscribeCandidatePipelineIdentifier.flatMap(sources.get).toSeq.flatten
 
     val servedEvents = ServedEventsBuilder
-      .build(query, injectedTweets, promotedTweets, whoToFollowUsers)
+      .build(query, injectedTweets, promotedTweets, whoToFollowUsers, whoToSubscribeUsers)
 
     val emptyTimelineEvents = EmptyTimelineEventsBuilder.build(query, injectedTweets)
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedCandidatesSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedCandidatesSideEffect.scala
new file mode 100644
index 0000000000..3f19dfc991
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedCandidatesSideEffect.scala
@@ -0,0 +1,245 @@
+package com.twitter.home_mixer.functional_component.side_effect
+
+import com.twitter.finagle.tracing.Trace
+import com.twitter.home_mixer.marshaller.timeline_logging.PromotedTweetDetailsMarshaller
+import com.twitter.home_mixer.marshaller.timeline_logging.TweetDetailsMarshaller
+import com.twitter.home_mixer.marshaller.timeline_logging.WhoToFollowDetailsMarshaller
+import com.twitter.home_mixer.model.HomeFeatures.GetInitialFeature
+import com.twitter.home_mixer.model.HomeFeatures.GetMiddleFeature
+import com.twitter.home_mixer.model.HomeFeatures.GetNewerFeature
+import com.twitter.home_mixer.model.HomeFeatures.GetOlderFeature
+import com.twitter.home_mixer.model.HomeFeatures.HasDarkRequestFeature
+import com.twitter.home_mixer.model.HomeFeatures.RequestJoinIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.ServedRequestIdFeature
+import com.twitter.home_mixer.model.request.DeviceContext.RequestContext
+import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.model.request.HasSeenTweetIds
+import com.twitter.home_mixer.model.request.FollowingProduct
+import com.twitter.home_mixer.model.request.ForYouProduct
+import com.twitter.home_mixer.model.request.SubscribedProduct
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeServedCandidatesFlag
+import com.twitter.home_mixer.param.HomeGlobalParams.EnableScribeServedCandidatesParam
+import com.twitter.home_mixer.service.HomeMixerAlertConfig
+import com.twitter.inject.annotations.Flag
+import com.twitter.logpipeline.client.common.EventPublisher
+import com.twitter.product_mixer.component_library.model.candidate.BaseTweetCandidate
+import com.twitter.product_mixer.component_library.model.candidate.BaseUserCandidate
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidateDecorator
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_subscribe_module.WhoToSubscribeCandidateDecorator
+import com.twitter.product_mixer.component_library.side_effect.ScribeLogEventSideEffect
+import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
+import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
+import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
+import com.twitter.product_mixer.core.model.common.presentation.ModuleCandidateWithDetails
+import com.twitter.product_mixer.core.model.marshalling.response.urt.AddEntriesTimelineInstruction
+import com.twitter.product_mixer.core.model.marshalling.response.urt.ModuleItem
+import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
+import com.twitter.product_mixer.core.model.marshalling.response.urt.TimelineModule
+import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
+import com.twitter.product_mixer.core.model.marshalling.response.urt.item.user.UserItem
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.timelines.timeline_logging.{thriftscala => thrift}
+import com.twitter.util.Time
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Side effect that logs home timeline served candidates to Scribe.
+ */
+@Singleton
+class HomeScribeServedCandidatesSideEffect @Inject() (
+  @Flag(ScribeServedCandidatesFlag) enableScribeServedCandidates: Boolean,
+  scribeEventPublisher: EventPublisher[thrift.ServedEntry])
+    extends ScribeLogEventSideEffect[
+      thrift.ServedEntry,
+      PipelineQuery with HasSeenTweetIds with HasDeviceContext,
+      Timeline
+    ]
+    with PipelineResultSideEffect.Conditionally[
+      PipelineQuery with HasSeenTweetIds with HasDeviceContext,
+      Timeline
+    ] {
+
+  override val identifier: SideEffectIdentifier = SideEffectIdentifier("HomeScribeServedCandidates")
+
+  override def onlyIf(
+    query: PipelineQuery with HasSeenTweetIds with HasDeviceContext,
+    selectedCandidates: Seq[CandidateWithDetails],
+    remainingCandidates: Seq[CandidateWithDetails],
+    droppedCandidates: Seq[CandidateWithDetails],
+    response: Timeline
+  ): Boolean = enableScribeServedCandidates && query.params(EnableScribeServedCandidatesParam)
+
+  override def buildLogEvents(
+    query: PipelineQuery with HasSeenTweetIds with HasDeviceContext,
+    selectedCandidates: Seq[CandidateWithDetails],
+    remainingCandidates: Seq[CandidateWithDetails],
+    droppedCandidates: Seq[CandidateWithDetails],
+    response: Timeline
+  ): Seq[thrift.ServedEntry] = {
+    val timelineType = query.product match {
+      case FollowingProduct => thrift.TimelineType.HomeLatest
+      case ForYouProduct => thrift.TimelineType.Home
+      case SubscribedProduct => thrift.TimelineType.HomeSubscribed
+      case other => throw new UnsupportedOperationException(s"Unknown product: $other")
+    }
+    val requestProvenance = query.deviceContext.map { deviceContext =>
+      deviceContext.requestContextValue match {
+        case RequestContext.Foreground => thrift.RequestProvenance.Foreground
+        case RequestContext.Launch => thrift.RequestProvenance.Launch
+        case RequestContext.PullToRefresh => thrift.RequestProvenance.Ptr
+        case _ => thrift.RequestProvenance.Other
+      }
+    }
+    val queryType = query.features.map { featureMap =>
+      if (featureMap.getOrElse(GetOlderFeature, false)) thrift.QueryType.GetOlder
+      else if (featureMap.getOrElse(GetNewerFeature, false)) thrift.QueryType.GetNewer
+      else if (featureMap.getOrElse(GetMiddleFeature, false)) thrift.QueryType.GetMiddle
+      else if (featureMap.getOrElse(GetInitialFeature, false)) thrift.QueryType.GetInitial
+      else thrift.QueryType.Other
+    }
+    val requestInfo = thrift.RequestInfo(
+      requestTimeMs = query.queryTime.inMilliseconds,
+      traceId = Trace.id.traceId.toLong,
+      userId = query.getOptionalUserId,
+      clientAppId = query.clientContext.appId,
+      hasDarkRequest = query.features.flatMap(_.getOrElse(HasDarkRequestFeature, None)),
+      parentId = Some(Trace.id.parentId.toLong),
+      spanId = Some(Trace.id.spanId.toLong),
+      timelineType = Some(timelineType),
+      ipAddress = query.clientContext.ipAddress,
+      userAgent = query.clientContext.userAgent,
+      queryType = queryType,
+      requestProvenance = requestProvenance,
+      languageCode = query.clientContext.languageCode,
+      countryCode = query.clientContext.countryCode,
+      requestEndTimeMs = Some(Time.now.inMilliseconds),
+      servedRequestId = query.features.flatMap(_.getOrElse(ServedRequestIdFeature, None)),
+      requestJoinId = query.features.flatMap(_.getOrElse(RequestJoinIdFeature, None))
+    )
+
+    val tweetIdToItemCandidateMap: Map[Long, ItemCandidateWithDetails] =
+      selectedCandidates.flatMap {
+        case item: ItemCandidateWithDetails if item.candidate.isInstanceOf[BaseTweetCandidate] =>
+          Seq((item.candidateIdLong, item))
+        case module: ModuleCandidateWithDetails
+            if module.candidates.headOption.exists(_.candidate.isInstanceOf[BaseTweetCandidate]) =>
+          module.candidates.map(item => (item.candidateIdLong, item))
+        case _ => Seq.empty
+      }.toMap
+
+    val userIdToItemCandidateMap: Map[Long, ItemCandidateWithDetails] =
+      selectedCandidates.flatMap {
+        case module: ModuleCandidateWithDetails
+            if module.candidates.forall(_.candidate.isInstanceOf[BaseUserCandidate]) =>
+          module.candidates.map { item =>
+            (item.candidateIdLong, item)
+          }
+        case _ => Seq.empty
+      }.toMap
+
+    response.instructions.zipWithIndex
+      .collect {
+        case (AddEntriesTimelineInstruction(entries), index) =>
+          entries.collect {
+            case entry: TweetItem if entry.promotedMetadata.isDefined =>
+              val promotedTweetDetails = PromotedTweetDetailsMarshaller(entry, index)
+              Seq(
+                thrift.EntryInfo(
+                  id = entry.id,
+                  position = index.shortValue(),
+                  entryId = entry.entryIdentifier,
+                  entryType = thrift.EntryType.PromotedTweet,
+                  sortIndex = entry.sortIndex,
+                  verticalSize = Some(1),
+                  displayType = Some(entry.displayType.toString),
+                  details = Some(thrift.ItemDetails.PromotedTweetDetails(promotedTweetDetails))
+                )
+              )
+            case entry: TweetItem =>
+              val candidate = tweetIdToItemCandidateMap(entry.id)
+              val tweetDetails = TweetDetailsMarshaller(entry, candidate)
+              Seq(
+                thrift.EntryInfo(
+                  id = candidate.candidateIdLong,
+                  position = index.shortValue(),
+                  entryId = entry.entryIdentifier,
+                  entryType = thrift.EntryType.Tweet,
+                  sortIndex = entry.sortIndex,
+                  verticalSize = Some(1),
+                  score = candidate.features.getOrElse(ScoreFeature, None),
+                  displayType = Some(entry.displayType.toString),
+                  details = Some(thrift.ItemDetails.TweetDetails(tweetDetails))
+                )
+              )
+            case module: TimelineModule
+                if module.entryNamespace.toString == WhoToFollowCandidateDecorator.EntryNamespaceString =>
+              module.items.collect {
+                case ModuleItem(entry: UserItem, _, _) =>
+                  val candidate = userIdToItemCandidateMap(entry.id)
+                  val whoToFollowDetails = WhoToFollowDetailsMarshaller(entry, candidate)
+                  thrift.EntryInfo(
+                    id = entry.id,
+                    position = index.shortValue(),
+                    entryId = module.entryIdentifier,
+                    entryType = thrift.EntryType.WhoToFollowModule,
+                    sortIndex = module.sortIndex,
+                    score = candidate.features.getOrElse(ScoreFeature, None),
+                    displayType = Some(entry.displayType.toString),
+                    details = Some(thrift.ItemDetails.WhoToFollowDetails(whoToFollowDetails))
+                  )
+              }
+            case module: TimelineModule
+                if module.entryNamespace.toString == WhoToSubscribeCandidateDecorator.EntryNamespaceString =>
+              module.items.collect {
+                case ModuleItem(entry: UserItem, _, _) =>
+                  val candidate = userIdToItemCandidateMap(entry.id)
+                  val whoToSubscribeDetails = WhoToFollowDetailsMarshaller(entry, candidate)
+                  thrift.EntryInfo(
+                    id = entry.id,
+                    position = index.shortValue(),
+                    entryId = module.entryIdentifier,
+                    entryType = thrift.EntryType.WhoToSubscribeModule,
+                    sortIndex = module.sortIndex,
+                    score = candidate.features.getOrElse(ScoreFeature, None),
+                    displayType = Some(entry.displayType.toString),
+                    details = Some(thrift.ItemDetails.WhoToFollowDetails(whoToSubscribeDetails))
+                  )
+              }
+            case module: TimelineModule
+                if module.sortIndex.isDefined && module.items.headOption.exists(
+                  _.item.isInstanceOf[TweetItem]) =>
+              module.items.collect {
+                case ModuleItem(entry: TweetItem, _, _) =>
+                  val candidate = tweetIdToItemCandidateMap(entry.id)
+                  thrift.EntryInfo(
+                    id = entry.id,
+                    position = index.shortValue(),
+                    entryId = module.entryIdentifier,
+                    entryType = thrift.EntryType.ConversationModule,
+                    sortIndex = module.sortIndex,
+                    score = candidate.features.getOrElse(ScoreFeature, None),
+                    displayType = Some(entry.displayType.toString)
+                  )
+              }
+            case _ => Seq.empty
+          }.flatten
+        // Other instructions
+        case _ => Seq.empty[thrift.EntryInfo]
+      }.flatten.map { entryInfo =>
+        thrift.ServedEntry(
+          entry = Some(entryInfo),
+          request = requestInfo
+        )
+      }
+  }
+
+  override val logPipelinePublisher: EventPublisher[thrift.ServedEntry] =
+    scribeEventPublisher
+
+  override val alerts = Seq(
+    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert()
+  )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedEntriesSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedEntriesSideEffect.scala
deleted file mode 100644
index ab74360321..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/HomeScribeServedEntriesSideEffect.scala
+++ /dev/null
@@ -1,212 +0,0 @@
-package com.twitter.home_mixer.functional_component.side_effect
-
-import com.twitter.finagle.tracing.Trace
-import com.twitter.home_mixer.marshaller.timeline_logging.ConversationEntryMarshaller
-import com.twitter.home_mixer.marshaller.timeline_logging.PromotedTweetEntryMarshaller
-import com.twitter.home_mixer.marshaller.timeline_logging.TweetEntryMarshaller
-import com.twitter.home_mixer.marshaller.timeline_logging.WhoToFollowEntryMarshaller
-import com.twitter.home_mixer.model.HomeFeatures.GetInitialFeature
-import com.twitter.home_mixer.model.HomeFeatures.GetMiddleFeature
-import com.twitter.home_mixer.model.HomeFeatures.GetNewerFeature
-import com.twitter.home_mixer.model.HomeFeatures.GetOlderFeature
-import com.twitter.home_mixer.model.HomeFeatures.HasDarkRequestFeature
-import com.twitter.home_mixer.model.HomeFeatures.RequestJoinIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.ServedRequestIdFeature
-import com.twitter.home_mixer.model.request.DeviceContext.RequestContext
-import com.twitter.home_mixer.model.request.HasDeviceContext
-import com.twitter.home_mixer.model.request.HasSeenTweetIds
-import com.twitter.home_mixer.model.request.FollowingProduct
-import com.twitter.home_mixer.model.request.ForYouProduct
-import com.twitter.home_mixer.service.HomeMixerAlertConfig
-import com.twitter.logpipeline.client.common.EventPublisher
-import com.twitter.product_mixer.component_library.model.candidate.BaseTweetCandidate
-import com.twitter.product_mixer.component_library.model.candidate.BaseUserCandidate
-import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidateDecorator
-import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
-import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
-import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
-import com.twitter.product_mixer.core.model.common.presentation.ModuleCandidateWithDetails
-import com.twitter.product_mixer.core.model.marshalling.response.urt.AddEntriesTimelineInstruction
-import com.twitter.product_mixer.core.model.marshalling.response.urt.ModuleItem
-import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
-import com.twitter.product_mixer.core.model.marshalling.response.urt.TimelineModule
-import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
-import com.twitter.product_mixer.core.model.marshalling.response.urt.item.user.UserItem
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import com.twitter.timelines.timeline_logging.{thriftscala => thrift}
-import com.twitter.util.Time
-import javax.inject.Inject
-import javax.inject.Singleton
-
-/**
- * Side effect that logs home timeline served entries to Scribe.
- */
-@Singleton
-class HomeScribeServedEntriesSideEffect @Inject() (
-  scribeEventPublisher: EventPublisher[thrift.Timeline])
-    extends PipelineResultSideEffect[
-      PipelineQuery with HasSeenTweetIds with HasDeviceContext,
-      Timeline
-    ] {
-
-  override val identifier: SideEffectIdentifier = SideEffectIdentifier("HomeScribeServedEntries")
-
-  final override def apply(
-    inputs: PipelineResultSideEffect.Inputs[
-      PipelineQuery with HasSeenTweetIds with HasDeviceContext,
-      Timeline
-    ]
-  ): Stitch[Unit] = {
-    val timelineThrift = buildTimeline(inputs)
-    Stitch.callFuture(scribeEventPublisher.publish(timelineThrift)).unit
-  }
-
-  def buildTimeline(
-    inputs: PipelineResultSideEffect.Inputs[
-      PipelineQuery with HasSeenTweetIds with HasDeviceContext,
-      Timeline
-    ]
-  ): thrift.Timeline = {
-    val timelineType = inputs.query.product match {
-      case FollowingProduct => thrift.TimelineType.HomeLatest
-      case ForYouProduct => thrift.TimelineType.Home
-      case other => throw new UnsupportedOperationException(s"Unknown product: $other")
-    }
-    val requestProvenance = inputs.query.deviceContext.map { deviceContext =>
-      deviceContext.requestContextValue match {
-        case RequestContext.Foreground => thrift.RequestProvenance.Foreground
-        case RequestContext.Launch => thrift.RequestProvenance.Launch
-        case RequestContext.PullToRefresh => thrift.RequestProvenance.Ptr
-        case _ => thrift.RequestProvenance.Other
-      }
-    }
-    val queryType = inputs.query.features.map { featureMap =>
-      if (featureMap.getOrElse(GetOlderFeature, false)) thrift.QueryType.GetOlder
-      else if (featureMap.getOrElse(GetNewerFeature, false)) thrift.QueryType.GetNewer
-      else if (featureMap.getOrElse(GetMiddleFeature, false)) thrift.QueryType.GetMiddle
-      else if (featureMap.getOrElse(GetInitialFeature, false)) thrift.QueryType.GetInitial
-      else thrift.QueryType.Other
-    }
-
-    val tweetIdToItemCandidateMap: Map[Long, ItemCandidateWithDetails] =
-      inputs.selectedCandidates.flatMap {
-        case item: ItemCandidateWithDetails if item.candidate.isInstanceOf[BaseTweetCandidate] =>
-          Seq((item.candidateIdLong, item))
-        case module: ModuleCandidateWithDetails
-            if module.candidates.headOption.exists(_.candidate.isInstanceOf[BaseTweetCandidate]) =>
-          module.candidates.map(item => (item.candidateIdLong, item))
-        case _ => Seq.empty
-      }.toMap
-
-    val userIdToItemCandidateMap: Map[Long, ItemCandidateWithDetails] =
-      inputs.selectedCandidates.flatMap {
-        case module: ModuleCandidateWithDetails
-            if module.candidates.forall(_.candidate.isInstanceOf[BaseUserCandidate]) =>
-          module.candidates.map { item =>
-            (item.candidateIdLong, item)
-          }
-        case _ => Seq.empty
-      }.toMap
-
-    val timelineEntries = inputs.response.instructions.zipWithIndex.collect {
-      case (AddEntriesTimelineInstruction(entries), index) =>
-        entries.collect {
-          case entry: TweetItem if entry.promotedMetadata.isDefined =>
-            val promotedTweetEntry = PromotedTweetEntryMarshaller(entry, index)
-            Seq(
-              thrift.TimelineEntry(
-                content = thrift.Content.PromotedTweetEntry(promotedTweetEntry),
-                position = index.shortValue(),
-                entryId = entry.entryIdentifier,
-                entryType = thrift.EntryType.PromotedTweet,
-                sortIndex = entry.sortIndex,
-                verticalSize = Some(1)
-              )
-            )
-          case entry: TweetItem =>
-            val candidate = tweetIdToItemCandidateMap(entry.id)
-            val tweetEntry = TweetEntryMarshaller(entry, candidate)
-            Seq(
-              thrift.TimelineEntry(
-                content = thrift.Content.TweetEntry(tweetEntry),
-                position = index.shortValue(),
-                entryId = entry.entryIdentifier,
-                entryType = thrift.EntryType.Tweet,
-                sortIndex = entry.sortIndex,
-                verticalSize = Some(1)
-              )
-            )
-          case module: TimelineModule
-              if module.entryNamespace.toString == WhoToFollowCandidateDecorator.EntryNamespaceString =>
-            val whoToFollowEntries = module.items.collect {
-              case ModuleItem(entry: UserItem, _, _) =>
-                val candidate = userIdToItemCandidateMap(entry.id)
-                val whoToFollowEntry = WhoToFollowEntryMarshaller(entry, candidate)
-                thrift.AtomicEntry.WtfEntry(whoToFollowEntry)
-            }
-            Seq(
-              thrift.TimelineEntry(
-                content = thrift.Content.Entries(whoToFollowEntries),
-                position = index.shortValue(),
-                entryId = module.entryIdentifier,
-                entryType = thrift.EntryType.WhoToFollowModule,
-                sortIndex = module.sortIndex
-              )
-            )
-          case module: TimelineModule
-              if module.sortIndex.isDefined && module.items.headOption.exists(
-                _.item.isInstanceOf[TweetItem]) =>
-            val conversationTweetEntries = module.items.collect {
-              case ModuleItem(entry: TweetItem, _, _) =>
-                val candidate = tweetIdToItemCandidateMap(entry.id)
-                val conversationEntry = ConversationEntryMarshaller(entry, candidate)
-                thrift.AtomicEntry.ConversationEntry(conversationEntry)
-            }
-            Seq(
-              thrift.TimelineEntry(
-                content = thrift.Content.Entries(conversationTweetEntries),
-                position = index.shortValue(),
-                entryId = module.entryIdentifier,
-                entryType = thrift.EntryType.ConversationModule,
-                sortIndex = module.sortIndex
-              )
-            )
-          case _ => Seq.empty
-        }.flatten
-      // Other instructions
-      case _ => Seq.empty[thrift.TimelineEntry]
-    }.flatten
-
-    thrift.Timeline(
-      timelineEntries = timelineEntries,
-      requestTimeMs = inputs.query.queryTime.inMilliseconds,
-      traceId = Trace.id.traceId.toLong,
-      userId = inputs.query.getOptionalUserId,
-      clientAppId = inputs.query.clientContext.appId,
-      sourceJobInstance = None,
-      hasDarkRequest = inputs.query.features.flatMap(_.getOrElse(HasDarkRequestFeature, None)),
-      parentId = Some(Trace.id.parentId.toLong),
-      spanId = Some(Trace.id.spanId.toLong),
-      timelineType = Some(timelineType),
-      ipAddress = inputs.query.clientContext.ipAddress,
-      userAgent = inputs.query.clientContext.userAgent,
-      queryType = queryType,
-      requestProvenance = requestProvenance,
-      sessionId = None,
-      timeZone = None,
-      browserNotificationPermission = None,
-      lastNonePollingTimeMs = None,
-      languageCode = inputs.query.clientContext.languageCode,
-      countryCode = inputs.query.clientContext.countryCode,
-      requestEndTimeMs = Some(Time.now.inMilliseconds),
-      servedRequestId = inputs.query.features.flatMap(_.getOrElse(ServedRequestIdFeature, None)),
-      requestJoinId = inputs.query.features.flatMap(_.getOrElse(RequestJoinIdFeature, None)),
-      requestSeenTweetIds = inputs.query.seenTweetIds
-    )
-  }
-
-  override val alerts = Seq(
-    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert()
-  )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishClientSentImpressionsEventBusSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishClientSentImpressionsEventBusSideEffect.scala
index 3d85d11373..c0437767ef 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishClientSentImpressionsEventBusSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishClientSentImpressionsEventBusSideEffect.scala
@@ -3,6 +3,7 @@ package com.twitter.home_mixer.functional_component.side_effect
 import com.twitter.eventbus.client.EventBusPublisher
 import com.twitter.home_mixer.model.request.FollowingProduct
 import com.twitter.home_mixer.model.request.ForYouProduct
+import com.twitter.home_mixer.model.request.SubscribedProduct
 import com.twitter.home_mixer.model.request.HasSeenTweetIds
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
@@ -22,6 +23,7 @@ import javax.inject.Singleton
 object PublishClientSentImpressionsEventBusSideEffect {
   val HomeSurfaceArea: Option[Set[SurfaceArea]] = Some(Set(SurfaceArea.HomeTimeline))
   val HomeLatestSurfaceArea: Option[Set[SurfaceArea]] = Some(Set(SurfaceArea.HomeLatestTimeline))
+  val HomeSubscribedSurfaceArea: Option[Set[SurfaceArea]] = Some(Set(SurfaceArea.HomeSubscribed))
 }
 
 /**
@@ -56,6 +58,7 @@ class PublishClientSentImpressionsEventBusSideEffect @Inject() (
     val surfaceArea = query.product match {
       case ForYouProduct => HomeSurfaceArea
       case FollowingProduct => HomeLatestSurfaceArea
+      case SubscribedProduct => HomeSubscribedSurfaceArea
       case _ => None
     }
     query.seenTweetIds.map { seenTweetIds =>
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateImpressionBloomFilterSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishImpressionBloomFilterSideEffect.scala
similarity index 56%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateImpressionBloomFilterSideEffect.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishImpressionBloomFilterSideEffect.scala
index 957fbcd372..f965bafac7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateImpressionBloomFilterSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/PublishImpressionBloomFilterSideEffect.scala
@@ -1,39 +1,46 @@
 package com.twitter.home_mixer.functional_component.side_effect
 
-import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.model.HomeFeatures.ImpressionBloomFilterFeature
 import com.twitter.home_mixer.model.request.HasSeenTweetIds
+import com.twitter.home_mixer.param.HomeGlobalParams.EnableImpressionBloomFilter
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
 import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
 import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
-import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
+import com.twitter.product_mixer.core.model.marshalling.HasMarshalling
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
-import com.twitter.timelines.impressionbloomfilter.{thriftscala => t}
-import com.twitter.timelines.impressionstore.impressionbloomfilter.ImpressionBloomFilter
+import com.twitter.timelines.clients.manhattan.store.ManhattanStoreClient
+import com.twitter.timelines.impressionbloomfilter.{thriftscala => blm}
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class UpdateImpressionBloomFilterSideEffect @Inject() (bloomFilter: ImpressionBloomFilter)
-    extends PipelineResultSideEffect[PipelineQuery with HasSeenTweetIds, Timeline]
-    with PipelineResultSideEffect.Conditionally[PipelineQuery with HasSeenTweetIds, Timeline] {
-
-  private val SurfaceArea = t.SurfaceArea.HomeTimeline
+class PublishImpressionBloomFilterSideEffect @Inject() (
+  bloomFilterClient: ManhattanStoreClient[
+    blm.ImpressionBloomFilterKey,
+    blm.ImpressionBloomFilterSeq
+  ]) extends PipelineResultSideEffect[PipelineQuery with HasSeenTweetIds, HasMarshalling]
+    with PipelineResultSideEffect.Conditionally[
+      PipelineQuery with HasSeenTweetIds,
+      HasMarshalling
+    ] {
 
   override val identifier: SideEffectIdentifier =
-    SideEffectIdentifier("UpdateImpressionBloomFilter")
+    SideEffectIdentifier("PublishImpressionBloomFilter")
+
+  private val SurfaceArea = blm.SurfaceArea.HomeTimeline
 
   override def onlyIf(
     query: PipelineQuery with HasSeenTweetIds,
     selectedCandidates: Seq[CandidateWithDetails],
     remainingCandidates: Seq[CandidateWithDetails],
     droppedCandidates: Seq[CandidateWithDetails],
-    response: Timeline
-  ): Boolean = query.seenTweetIds.exists(_.nonEmpty)
+    response: HasMarshalling
+  ): Boolean =
+    query.params.getBoolean(EnableImpressionBloomFilter) && query.seenTweetIds.exists(_.nonEmpty)
 
-  def buildEvents(query: PipelineQuery): Option[t.ImpressionBloomFilterSeq] = {
+  def buildEvents(query: PipelineQuery): Option[blm.ImpressionBloomFilterSeq] = {
     query.features.flatMap { featureMap =>
       val impressionBloomFilterSeq = featureMap.get(ImpressionBloomFilterFeature)
       if (impressionBloomFilterSeq.entries.nonEmpty) Some(impressionBloomFilterSeq)
@@ -42,19 +49,17 @@ class UpdateImpressionBloomFilterSideEffect @Inject() (bloomFilter: ImpressionBl
   }
 
   override def apply(
-    inputs: PipelineResultSideEffect.Inputs[PipelineQuery with HasSeenTweetIds, Timeline]
+    inputs: PipelineResultSideEffect.Inputs[PipelineQuery with HasSeenTweetIds, HasMarshalling]
   ): Stitch[Unit] = {
     buildEvents(inputs.query)
-      .map { updatedBloomFilter =>
-        bloomFilter.writeBloomFilterSeq(
-          userId = inputs.query.getRequiredUserId,
-          surfaceArea = SurfaceArea,
-          impressionBloomFilterSeq = updatedBloomFilter)
+      .map { updatedBloomFilterSeq =>
+        bloomFilterClient.write(
+          blm.ImpressionBloomFilterKey(inputs.query.getRequiredUserId, SurfaceArea),
+          updatedBloomFilterSeq)
       }.getOrElse(Stitch.Unit)
   }
 
   override val alerts = Seq(
-    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(99.8),
-    HomeMixerAlertConfig.BusinessHours.defaultLatencyAlert(30.millis)
+    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(99.8)
   )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedStatsSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedStatsSideEffect.scala
deleted file mode 100644
index 3a24a59270..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedStatsSideEffect.scala
+++ /dev/null
@@ -1,80 +0,0 @@
-package com.twitter.home_mixer.functional_component.side_effect
-
-import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
-import com.twitter.home_mixer.param.HomeGlobalParams.AuthorListForStatsParam
-import com.twitter.home_mixer.util.CandidatesUtil
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
-import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
-import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
-import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
-import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ServedStatsSideEffect @Inject() (statsReceiver: StatsReceiver)
-    extends PipelineResultSideEffect[PipelineQuery, Timeline] {
-
-  override val identifier: SideEffectIdentifier = SideEffectIdentifier("ServedStats")
-
-  private val baseStatsReceiver = statsReceiver.scope(identifier.toString)
-  private val authorStatsReceiver = baseStatsReceiver.scope("Author")
-  private val candidateSourceStatsReceiver = baseStatsReceiver.scope("CandidateSource")
-  private val contentBalanceStatsReceiver = baseStatsReceiver.scope("ContentBalance")
-  private val inNetworkStatsCounter = contentBalanceStatsReceiver.counter("InNetwork")
-  private val outOfNetworkStatsCounter = contentBalanceStatsReceiver.counter("OutOfNetwork")
-
-  override def apply(
-    inputs: PipelineResultSideEffect.Inputs[PipelineQuery, Timeline]
-  ): Stitch[Unit] = {
-    val tweetCandidates = CandidatesUtil
-      .getItemCandidates(inputs.selectedCandidates).filter(_.isCandidateType[TweetCandidate]())
-
-    recordAuthorStats(tweetCandidates, inputs.query.params(AuthorListForStatsParam))
-    recordCandidateSourceStats(tweetCandidates)
-    recordContentBalanceStats(tweetCandidates)
-    Stitch.Unit
-  }
-
-  def recordAuthorStats(candidates: Seq[CandidateWithDetails], authors: Set[Long]): Unit = {
-    candidates
-      .filter { candidate =>
-        candidate.features.getOrElse(AuthorIdFeature, None).exists(authors.contains) &&
-        // Only include original tweets
-        (!candidate.features.getOrElse(IsRetweetFeature, false)) &&
-        candidate.features.getOrElse(InReplyToTweetIdFeature, None).isEmpty
-      }
-      .groupBy { candidate =>
-        (getCandidateSourceId(candidate), candidate.features.get(AuthorIdFeature).get)
-      }
-      .foreach {
-        case ((candidateSourceId, authorId), authorCandidates) =>
-          authorStatsReceiver
-            .scope(authorId.toString).counter(candidateSourceId).incr(authorCandidates.size)
-      }
-  }
-
-  def recordCandidateSourceStats(candidates: Seq[ItemCandidateWithDetails]): Unit = {
-    candidates.groupBy(getCandidateSourceId).foreach {
-      case (candidateSourceId, candidateSourceCandidates) =>
-        candidateSourceStatsReceiver.counter(candidateSourceId).incr(candidateSourceCandidates.size)
-    }
-  }
-
-  def recordContentBalanceStats(candidates: Seq[ItemCandidateWithDetails]): Unit = {
-    val (in, oon) = candidates.partition(_.features.getOrElse(InNetworkFeature, true))
-    inNetworkStatsCounter.incr(in.size)
-    outOfNetworkStatsCounter.incr(oon.size)
-  }
-
-  private def getCandidateSourceId(candidate: CandidateWithDetails): String =
-    candidate.features.getOrElse(CandidateSourceIdFeature, None).map(_.name).getOrElse("None")
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateTimelinesPersistenceStoreSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateTimelinesPersistenceStoreSideEffect.scala
index ef8a737a8c..5a1bb0f6ba 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateTimelinesPersistenceStoreSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/UpdateTimelinesPersistenceStoreSideEffect.scala
@@ -3,8 +3,10 @@ package com.twitter.home_mixer.functional_component.side_effect
 import com.twitter.home_mixer.model.HomeFeatures._
 import com.twitter.home_mixer.model.request.FollowingProduct
 import com.twitter.home_mixer.model.request.ForYouProduct
+import com.twitter.home_mixer.model.HomeFeatures.IsTweetPreviewFeature
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidateDecorator
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_subscribe_module.WhoToSubscribeCandidateDecorator
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
 import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
@@ -97,12 +99,14 @@ class UpdateTimelinesPersistenceStoreSideEffect @Inject() (
       val entries = inputs.response.instructions.collect {
         case AddEntriesTimelineInstruction(entries) =>
           entries.collect {
-            // includes both tweets and promoted tweets
-            case entry: TweetItem if entry.sortIndex.isDefined =>
+            // includes tweets, tweet previews, and promoted tweets
+            case entry: TweetItem if entry.sortIndex.isDefined => {
               Seq(
                 buildTweetEntryWithItemIds(
                   tweetIdToItemCandidateMap(entry.id),
-                  entry.sortIndex.get))
+                  entry.sortIndex.get
+                ))
+            }
             // tweet conversation modules are flattened to individual tweets in the persistence store
             case module: TimelineModule
                 if module.sortIndex.isDefined && module.items.headOption.exists(
@@ -125,6 +129,19 @@ class UpdateTimelinesPersistenceStoreSideEffect @Inject() (
                   size = module.items.size.toShort,
                   itemIds = Some(userIds)
                 ))
+            case module: TimelineModule
+                if module.sortIndex.isDefined && module.entryNamespace.toString == WhoToSubscribeCandidateDecorator.EntryNamespaceString =>
+              val userIds = module.items
+                .map(item =>
+                  UpdateTimelinesPersistenceStoreSideEffect.EmptyItemIds.copy(userId =
+                    Some(item.item.id.asInstanceOf[Long])))
+              Seq(
+                EntryWithItemIds(
+                  entityIdType = EntityIdType.WhoToSubscribe,
+                  sortIndex = module.sortIndex.get,
+                  size = module.items.size.toShort,
+                  itemIds = Some(userIds)
+                ))
           }.flatten
         case ShowCoverInstruction(cover) =>
           Seq(
@@ -216,8 +233,11 @@ class UpdateTimelinesPersistenceStoreSideEffect @Inject() (
       userId = None
     )
 
+    val isPreview = features.getOrElse(IsTweetPreviewFeature, default = false)
+    val entityType = if (isPreview) EntityIdType.TweetPreview else EntityIdType.Tweet
+
     EntryWithItemIds(
-      entityIdType = EntityIdType.Tweet,
+      entityIdType = entityType,
       sortIndex = sortIndex,
       size = 1.toShort,
       itemIds = Some(Seq(itemIds))
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/BUILD.bazel
index fe1ee71901..fd35daeeb0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/BUILD.bazel
@@ -4,14 +4,12 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "dspbidder/thrift/src/main/thrift/com/twitter/dspbidder/commons:thrift-scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/request",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common",
     ],
     exports = [
-        "dspbidder/thrift/src/main/thrift/com/twitter/dspbidder/commons:thrift-scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/request",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductContextUnmarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductContextUnmarshaller.scala
index bbc93389ce..ec3a183b94 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductContextUnmarshaller.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductContextUnmarshaller.scala
@@ -5,9 +5,9 @@ import com.twitter.home_mixer.model.request.ForYouProductContext
 import com.twitter.home_mixer.model.request.ListRecommendedUsersProductContext
 import com.twitter.home_mixer.model.request.ListTweetsProductContext
 import com.twitter.home_mixer.model.request.ScoredTweetsProductContext
+import com.twitter.home_mixer.model.request.SubscribedProductContext
 import com.twitter.home_mixer.{thriftscala => t}
 import com.twitter.product_mixer.core.model.marshalling.request.ProductContext
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -26,15 +26,17 @@ class HomeMixerProductContextUnmarshaller @Inject() (
       ForYouProductContext(
         deviceContext = p.deviceContext.map(deviceContextUnmarshaller(_)),
         seenTweetIds = p.seenTweetIds,
-        dspClientContext = p.dspClientContext
+        dspClientContext = p.dspClientContext,
+        pushToHomeTweetId = p.pushToHomeTweetId
       )
-    case t.ProductContext.Realtime(p) =>
+    case t.ProductContext.ListManagement(p) =>
       throw new UnsupportedOperationException(s"This product is no longer used")
     case t.ProductContext.ScoredTweets(p) =>
       ScoredTweetsProductContext(
         deviceContext = p.deviceContext.map(deviceContextUnmarshaller(_)),
         seenTweetIds = p.seenTweetIds,
-        servedTweetIds = p.servedTweetIds
+        servedTweetIds = p.servedTweetIds,
+        backfillTweetIds = p.backfillTweetIds
       )
     case t.ProductContext.ListTweets(p) =>
       ListTweetsProductContext(
@@ -46,7 +48,13 @@ class HomeMixerProductContextUnmarshaller @Inject() (
       ListRecommendedUsersProductContext(
         listId = p.listId,
         selectedUserIds = p.selectedUserIds,
-        excludedUserIds = p.excludedUserIds
+        excludedUserIds = p.excludedUserIds,
+        listName = p.listName
+      )
+    case t.ProductContext.Subscribed(p) =>
+      SubscribedProductContext(
+        deviceContext = p.deviceContext.map(deviceContextUnmarshaller(_)),
+        seenTweetIds = p.seenTweetIds,
       )
     case t.ProductContext.UnknownUnionField(field) =>
       throw new UnsupportedOperationException(s"Unknown display context: ${field.field.name}")
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductUnmarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductUnmarshaller.scala
index 0089c5efb5..f5d0d002bd 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductUnmarshaller.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/request/HomeMixerProductUnmarshaller.scala
@@ -5,9 +5,9 @@ import com.twitter.home_mixer.model.request.ForYouProduct
 import com.twitter.home_mixer.model.request.ListRecommendedUsersProduct
 import com.twitter.home_mixer.model.request.ListTweetsProduct
 import com.twitter.home_mixer.model.request.ScoredTweetsProduct
+import com.twitter.home_mixer.model.request.SubscribedProduct
 import com.twitter.home_mixer.{thriftscala => t}
 import com.twitter.product_mixer.core.model.marshalling.request.Product
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -17,11 +17,12 @@ class HomeMixerProductUnmarshaller @Inject() () {
   def apply(product: t.Product): Product = product match {
     case t.Product.Following => FollowingProduct
     case t.Product.ForYou => ForYouProduct
-    case t.Product.Realtime =>
+    case t.Product.ListManagement =>
       throw new UnsupportedOperationException(s"This product is no longer used")
     case t.Product.ScoredTweets => ScoredTweetsProduct
     case t.Product.ListTweets => ListTweetsProduct
     case t.Product.ListRecommendedUsers => ListRecommendedUsersProduct
+    case t.Product.Subscribed => SubscribedProduct
     case t.Product.EnumUnknownProduct(value) =>
       throw new UnsupportedOperationException(s"Unknown product: $value")
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/ConversationEntryMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/ConversationEntryMarshaller.scala
deleted file mode 100644
index 8123f35974..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/ConversationEntryMarshaller.scala
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.twitter.home_mixer.marshaller.timeline_logging
-
-import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
-import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
-import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
-import com.twitter.timelines.timeline_logging.{thriftscala => thriftlog}
-
-object ConversationEntryMarshaller {
-
-  def apply(entry: TweetItem, candidate: ItemCandidateWithDetails): thriftlog.ConversationEntry =
-    thriftlog.ConversationEntry(
-      displayedTweetId = entry.id,
-      displayType = Some(entry.displayType.toString),
-      score = candidate.features.getOrElse(ScoreFeature, None)
-    )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/PromotedTweetEntryMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/PromotedTweetDetailsMarshaller.scala
similarity index 56%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/PromotedTweetEntryMarshaller.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/PromotedTweetDetailsMarshaller.scala
index b96bb38a2c..d913f8d64b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/PromotedTweetEntryMarshaller.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/PromotedTweetDetailsMarshaller.scala
@@ -3,15 +3,13 @@ package com.twitter.home_mixer.marshaller.timeline_logging
 import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
 import com.twitter.timelines.timeline_logging.{thriftscala => thriftlog}
 
-object PromotedTweetEntryMarshaller {
+object PromotedTweetDetailsMarshaller {
 
-  def apply(entry: TweetItem, position: Int): thriftlog.PromotedTweetEntry = {
-    thriftlog.PromotedTweetEntry(
-      id = entry.id,
-      advertiserId = entry.promotedMetadata.map(_.advertiserId).getOrElse(0L),
-      insertPosition = position,
-      impressionId = entry.promotedMetadata.flatMap(_.impressionString),
-      displayType = Some(entry.displayType.toString)
+  def apply(entry: TweetItem, position: Int): thriftlog.PromotedTweetDetails = {
+    thriftlog.PromotedTweetDetails(
+      advertiserId = Some(entry.promotedMetadata.map(_.advertiserId).getOrElse(0L)),
+      insertPosition = Some(position),
+      impressionId = entry.promotedMetadata.flatMap(_.impressionString)
     )
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetDetailsMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetDetailsMarshaller.scala
new file mode 100644
index 0000000000..8e1c475d53
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetDetailsMarshaller.scala
@@ -0,0 +1,47 @@
+package com.twitter.home_mixer.marshaller.timeline_logging
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.component_library.model.presentation.urt.UrtItemPresentation
+import com.twitter.product_mixer.component_library.model.presentation.urt.UrtModulePresentation
+import com.twitter.product_mixer.core.functional_component.marshaller.response.urt.metadata.GeneralContextTypeMarshaller
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
+import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.ConversationGeneralContextType
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.GeneralContext
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.TopicContext
+import com.twitter.timelines.service.{thriftscala => tst}
+import com.twitter.timelines.timeline_logging.{thriftscala => thriftlog}
+
+object TweetDetailsMarshaller {
+
+  private val generalContextTypeMarshaller = new GeneralContextTypeMarshaller()
+
+  def apply(entry: TweetItem, candidate: CandidateWithDetails): thriftlog.TweetDetails = {
+    val socialContext = candidate.presentation.flatMap {
+      case _ @UrtItemPresentation(timelineItem: TweetItem, _) => timelineItem.socialContext
+      case _ @UrtModulePresentation(timelineModule) =>
+        timelineModule.items.head.item match {
+          case timelineItem: TweetItem => timelineItem.socialContext
+          case _ => Some(ConversationGeneralContextType)
+        }
+    }
+
+    val socialContextType = socialContext match {
+      case Some(GeneralContext(contextType, _, _, _, _)) =>
+        Some(generalContextTypeMarshaller(contextType).value.toShort)
+      case Some(TopicContext(_, _)) => Some(tst.ContextType.Topic.value.toShort)
+      case _ => None
+    }
+
+    thriftlog.TweetDetails(
+      sourceTweetId = candidate.features.getOrElse(SourceTweetIdFeature, None),
+      socialContextType = socialContextType,
+      suggestType = candidate.features.getOrElse(SuggestTypeFeature, None).map(_.name),
+      authorId = candidate.features.getOrElse(AuthorIdFeature, None),
+      sourceAuthorId = candidate.features.getOrElse(SourceUserIdFeature, None)
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetEntryMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetEntryMarshaller.scala
deleted file mode 100644
index ca6b08778b..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/TweetEntryMarshaller.scala
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.twitter.home_mixer.marshaller.timeline_logging
-
-import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
-import com.twitter.home_mixer.model.HomeFeatures.SocialContextFeature
-import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
-import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
-import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
-import com.twitter.timelines.service.{thriftscala => tst}
-import com.twitter.timelines.timeline_logging.{thriftscala => thriftlog}
-
-object TweetEntryMarshaller {
-
-  def apply(entry: TweetItem, candidate: CandidateWithDetails): thriftlog.TweetEntry = {
-    val socialContextType = candidate.features.getOrElse(SocialContextFeature, None) match {
-      case Some(tst.SocialContext.GeneralContext(tst.GeneralContext(contextType, _, _, _, _))) =>
-        Some(contextType.value.toShort)
-      case Some(tst.SocialContext.TopicContext(_)) =>
-        Some(tst.ContextType.Topic.value.toShort)
-      case _ => None
-    }
-    thriftlog.TweetEntry(
-      id = candidate.candidateIdLong,
-      sourceTweetId = candidate.features.getOrElse(SourceTweetIdFeature, None),
-      displayType = Some(entry.displayType.toString),
-      score = candidate.features.getOrElse(ScoreFeature, None),
-      socialContextType = socialContextType
-    )
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/WhoToFollowEntryMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/WhoToFollowDetailsMarshaller.scala
similarity index 62%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/WhoToFollowEntryMarshaller.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/WhoToFollowDetailsMarshaller.scala
index 9a253b7263..4c0b4dd1bb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/WhoToFollowEntryMarshaller.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timeline_logging/WhoToFollowDetailsMarshaller.scala
@@ -1,17 +1,13 @@
 package com.twitter.home_mixer.marshaller.timeline_logging
 
-import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.ScoreFeature
 import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
 import com.twitter.product_mixer.core.model.marshalling.response.urt.item.user.UserItem
 import com.twitter.timelines.timeline_logging.{thriftscala => thriftlog}
 
-object WhoToFollowEntryMarshaller {
+object WhoToFollowDetailsMarshaller {
 
-  def apply(entry: UserItem, candidate: ItemCandidateWithDetails): thriftlog.WhoToFollowEntry =
-    thriftlog.WhoToFollowEntry(
-      userId = entry.id,
-      displayType = Some(entry.displayType.toString),
-      score = candidate.features.getOrElse(ScoreFeature, None),
+  def apply(entry: UserItem, candidate: ItemCandidateWithDetails): thriftlog.WhoToFollowDetails =
+    thriftlog.WhoToFollowDetails(
       enableReactiveBlending = entry.enableReactiveBlending,
       impressionId = entry.promotedMetadata.flatMap(_.impressionString),
       advertiserId = entry.promotedMetadata.map(_.advertiserId)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines/BUILD.bazel
index e424298f0b..ebf305ead3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines/BUILD.bazel
@@ -4,13 +4,8 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/javax/inject:javax.inject",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/cursor",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/request",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/marshalling/response/urt",
-        "src/thrift/com/twitter/timelines/render:thrift-scala",
         "src/thrift/com/twitter/timelineservice:thrift-scala",
-        "timelineservice/common:model",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/BUILD.bazel
index c5c46d2d12..65ece62a3e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/BUILD.bazel
@@ -7,7 +7,6 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/query/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt/builder",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/datarecord",
@@ -18,22 +17,16 @@ scala_library(
         "src/scala/com/twitter/timelines/prediction/features/common",
         "src/scala/com/twitter/timelines/prediction/features/recap",
         "src/scala/com/twitter/timelines/prediction/features/request_context",
-        "src/thrift/com/twitter/dal/personal_data:personal_data-java",
         "src/thrift/com/twitter/escherbird:tweet-annotation-scala",
-        "src/thrift/com/twitter/gizmoduck:thrift-scala",
-        "src/thrift/com/twitter/timelines/author_features:thrift-java",
+        "src/thrift/com/twitter/search:earlybird-scala",
         "src/thrift/com/twitter/timelines/conversation_features:conversation_features-scala",
         "src/thrift/com/twitter/timelines/impression:thrift-scala",
         "src/thrift/com/twitter/timelines/impression_bloom_filter:thrift-scala",
         "src/thrift/com/twitter/timelinescorer/common/scoredtweetcandidate:thrift-scala",
-        "src/thrift/com/twitter/timelineservice/server/suggests/logging:thrift-scala",
-        "src/thrift/com/twitter/tweetypie:media-entity-scala",
         "src/thrift/com/twitter/tweetypie:tweet-scala",
-        "src/thrift/com/twitter/user_session_store:thrift-java",
         "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/manhattan",
         "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/persistence",
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
-        "timelines/src/main/scala/com/twitter/timelines/model/types",
         "topic-social-proof/server/src/main/thrift:thrift-scala",
         "tweetconvosvc/common/src/main/thrift/com/twitter/tweetconvosvc/tweet_ancestor:thrift-scala",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/ContentFeatures.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/ContentFeatures.scala
index 44e8cf25e5..f141d67d10 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/ContentFeatures.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/ContentFeatures.scala
@@ -1,6 +1,7 @@
 package com.twitter.home_mixer.model
 
 import com.twitter.escherbird.{thriftscala => esb}
+import com.twitter.search.common.features.{thriftscala => sc}
 import com.twitter.tweetypie.{thriftscala => tp}
 
 object ContentFeatures {
@@ -48,6 +49,53 @@ object ContentFeatures {
     None,
     None
   )
+
+  def fromThrift(ebFeatures: sc.ThriftTweetFeatures): ContentFeatures =
+    ContentFeatures(
+      length = ebFeatures.tweetLength.getOrElse(0).toShort,
+      hasQuestion = ebFeatures.hasQuestion.getOrElse(false),
+      numCaps = ebFeatures.numCaps.getOrElse(0).toShort,
+      numWhiteSpaces = ebFeatures.numWhitespaces.getOrElse(0).toShort,
+      numNewlines = ebFeatures.numNewlines,
+      videoDurationMs = ebFeatures.videoDurationMs,
+      bitRate = ebFeatures.bitRate,
+      aspectRatioNum = ebFeatures.aspectRatioNum,
+      aspectRatioDen = ebFeatures.aspectRatioDen,
+      widths = ebFeatures.widths.map(_.map(_.toShort)),
+      heights = ebFeatures.heights.map(_.map(_.toShort)),
+      resizeMethods = ebFeatures.resizeMethods.map(_.map(_.toShort)),
+      numMediaTags = ebFeatures.numMediaTags.map(_.toShort),
+      mediaTagScreenNames = ebFeatures.mediaTagScreenNames,
+      emojiTokens = ebFeatures.emojiTokens.map(_.toSet),
+      emoticonTokens = ebFeatures.emoticonTokens.map(_.toSet),
+      faceAreas = ebFeatures.faceAreas,
+      dominantColorRed = ebFeatures.dominantColorRed,
+      dominantColorBlue = ebFeatures.dominantColorBlue,
+      dominantColorGreen = ebFeatures.dominantColorGreen,
+      numColors = ebFeatures.numColors.map(_.toShort),
+      stickerIds = ebFeatures.stickerIds,
+      mediaOriginProviders = ebFeatures.mediaOriginProviders,
+      isManaged = ebFeatures.isManaged,
+      is360 = ebFeatures.is360,
+      viewCount = ebFeatures.viewCount,
+      isMonetizable = ebFeatures.isMonetizable,
+      isEmbeddable = ebFeatures.isEmbeddable,
+      hasSelectedPreviewImage = ebFeatures.hasSelectedPreviewImage,
+      hasTitle = ebFeatures.hasTitle,
+      hasDescription = ebFeatures.hasDescription,
+      hasVisitSiteCallToAction = ebFeatures.hasVisitSiteCallToAction,
+      hasAppInstallCallToAction = ebFeatures.hasAppInstallCallToAction,
+      hasWatchNowCallToAction = ebFeatures.hasWatchNowCallToAction,
+      dominantColorPercentage = ebFeatures.dominantColorPercentage,
+      posUnigrams = ebFeatures.posUnigrams.map(_.toSet),
+      posBigrams = ebFeatures.posBigrams.map(_.toSet),
+      semanticCoreAnnotations = ebFeatures.semanticCoreAnnotations,
+      tokens = ebFeatures.textTokens.map(_.toSeq),
+      conversationControl = ebFeatures.conversationControl,
+      // media and selfThreadMetadata not carried by ThriftTweetFeatures
+      media = None,
+      selfThreadMetadata = None
+    )
 }
 
 case class ContentFeatures(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/HomeFeatures.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/HomeFeatures.scala
index 032623cd49..fe085b1f90 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/HomeFeatures.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/HomeFeatures.scala
@@ -2,7 +2,6 @@ package com.twitter.home_mixer.model
 
 import com.twitter.core_workflows.user_model.{thriftscala => um}
 import com.twitter.dal.personal_data.{thriftjava => pd}
-import com.twitter.escherbird.{thriftscala => esb}
 import com.twitter.gizmoduck.{thriftscala => gt}
 import com.twitter.home_mixer.{thriftscala => hmt}
 import com.twitter.ml.api.constant.SharedFeatures
@@ -11,10 +10,13 @@ import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
 import com.twitter.product_mixer.core.feature.datarecord.BoolDataRecordCompatible
 import com.twitter.product_mixer.core.feature.datarecord.DataRecordFeature
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordOptionalFeature
+import com.twitter.product_mixer.core.feature.datarecord.DoubleDataRecordCompatible
 import com.twitter.product_mixer.core.feature.datarecord.LongDiscreteDataRecordCompatible
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.TopicContextFunctionalityType
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.search.common.features.{thriftscala => sc}
+import com.twitter.search.earlybird.{thriftscala => eb}
 import com.twitter.timelinemixer.clients.manhattan.DismissInfo
 import com.twitter.timelinemixer.clients.persistence.TimelineResponseV3
 import com.twitter.timelinemixer.injection.model.candidate.AudioSpaceMetaData
@@ -23,6 +25,7 @@ import com.twitter.timelines.impression.{thriftscala => imp}
 import com.twitter.timelines.impressionbloomfilter.{thriftscala => blm}
 import com.twitter.timelines.model.UserId
 import com.twitter.timelines.prediction.features.common.TimelinesSharedFeatures
+import com.twitter.timelines.prediction.features.engagement_features.EngagementDataRecordFeatures
 import com.twitter.timelines.prediction.features.recap.RecapFeatures
 import com.twitter.timelines.prediction.features.request_context.RequestContextFeatures
 import com.twitter.timelines.service.{thriftscala => tst}
@@ -44,13 +47,19 @@ object HomeFeatures {
    * who created the Tweet that was retweeted.
    */
   object AuthorIdFeature
-      extends Feature[TweetCandidate, Option[Long]]
+      extends DataRecordOptionalFeature[TweetCandidate, Long]
       with LongDiscreteDataRecordCompatible {
     override val featureName: String = SharedFeatures.AUTHOR_ID.getFeatureName
     override val personalDataTypes: Set[pd.PersonalDataType] = Set(pd.PersonalDataType.UserId)
   }
-  object AuthorIsEligibleForConnectBoostFeature extends Feature[TweetCandidate, Boolean]
+
   object AuthorIsBlueVerifiedFeature extends Feature[TweetCandidate, Boolean]
+  object AuthorIsGoldVerifiedFeature extends Feature[TweetCandidate, Boolean]
+  object AuthorIsGrayVerifiedFeature extends Feature[TweetCandidate, Boolean]
+  object AuthorIsLegacyVerifiedFeature extends Feature[TweetCandidate, Boolean]
+  object AuthorIsCreatorFeature extends Feature[TweetCandidate, Boolean]
+  object AuthorIsProtectedFeature extends Feature[TweetCandidate, Boolean]
+
   object AuthoredByContextualUserFeature extends Feature[TweetCandidate, Boolean]
   object CachedCandidatePipelineIdentifierFeature extends Feature[TweetCandidate, Option[String]]
   object CandidateSourceIdFeature
@@ -74,11 +83,36 @@ object HomeFeatures {
   object DirectedAtUserIdFeature extends Feature[TweetCandidate, Option[Long]]
   object EarlybirdFeature extends Feature[TweetCandidate, Option[sc.ThriftTweetFeatures]]
   object EarlybirdScoreFeature extends Feature[TweetCandidate, Option[Double]]
+  object EarlybirdSearchResultFeature extends Feature[TweetCandidate, Option[eb.ThriftSearchResult]]
   object EntityTokenFeature extends Feature[TweetCandidate, Option[String]]
   object ExclusiveConversationAuthorIdFeature extends Feature[TweetCandidate, Option[Long]]
+  object FavoritedByCountFeature
+      extends DataRecordFeature[TweetCandidate, Double]
+      with DoubleDataRecordCompatible {
+    override val featureName: String =
+      EngagementDataRecordFeatures.InNetworkFavoritesCount.getFeatureName
+    override val personalDataTypes: Set[pd.PersonalDataType] =
+      Set(pd.PersonalDataType.CountOfPrivateLikes, pd.PersonalDataType.CountOfPublicLikes)
+  }
   object FavoritedByUserIdsFeature extends Feature[TweetCandidate, Seq[Long]]
   object FeedbackHistoryFeature extends Feature[TweetCandidate, Seq[FeedbackEntry]]
+  object RetweetedByCountFeature
+      extends DataRecordFeature[TweetCandidate, Double]
+      with DoubleDataRecordCompatible {
+    override val featureName: String =
+      EngagementDataRecordFeatures.InNetworkRetweetsCount.getFeatureName
+    override val personalDataTypes: Set[pd.PersonalDataType] =
+      Set(pd.PersonalDataType.CountOfPrivateRetweets, pd.PersonalDataType.CountOfPublicRetweets)
+  }
   object RetweetedByEngagerIdsFeature extends Feature[TweetCandidate, Seq[Long]]
+  object RepliedByCountFeature
+      extends DataRecordFeature[TweetCandidate, Double]
+      with DoubleDataRecordCompatible {
+    override val featureName: String =
+      EngagementDataRecordFeatures.InNetworkRepliesCount.getFeatureName
+    override val personalDataTypes: Set[pd.PersonalDataType] =
+      Set(pd.PersonalDataType.CountOfPrivateReplies, pd.PersonalDataType.CountOfPublicReplies)
+  }
   object RepliedByEngagerIdsFeature extends Feature[TweetCandidate, Seq[Long]]
   object FollowedByUserIdsFeature extends Feature[TweetCandidate, Seq[Long]]
 
@@ -99,7 +133,7 @@ object HomeFeatures {
     override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
   }
   object IsRandomTweetFeature
-      extends Feature[TweetCandidate, Boolean]
+      extends DataRecordFeature[TweetCandidate, Boolean]
       with BoolDataRecordCompatible {
     override val featureName: String = TimelinesSharedFeatures.IS_RANDOM_TWEET.getFeatureName
     override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
@@ -107,6 +141,7 @@ object HomeFeatures {
   object IsReadFromCacheFeature extends Feature[TweetCandidate, Boolean]
   object IsRetweetFeature extends Feature[TweetCandidate, Boolean]
   object IsRetweetedReplyFeature extends Feature[TweetCandidate, Boolean]
+  object IsSupportAccountReplyFeature extends Feature[TweetCandidate, Boolean]
   object LastScoredTimestampMsFeature extends Feature[TweetCandidate, Option[Long]]
   object NonSelfFavoritedByUserIdsFeature extends Feature[TweetCandidate, Seq[Long]]
   object NumImagesFeature extends Feature[TweetCandidate, Option[Int]]
@@ -124,7 +159,7 @@ object HomeFeatures {
       extends Feature[TweetCandidate, Map[String, Double]]
   object SocialContextFeature extends Feature[TweetCandidate, Option[tst.SocialContext]]
   object SourceTweetIdFeature
-      extends Feature[TweetCandidate, Option[Long]]
+      extends DataRecordOptionalFeature[TweetCandidate, Long]
       with LongDiscreteDataRecordCompatible {
     override val featureName: String = TimelinesSharedFeatures.SOURCE_TWEET_ID.getFeatureName
     override val personalDataTypes: Set[pd.PersonalDataType] = Set(pd.PersonalDataType.TweetId)
@@ -137,7 +172,7 @@ object HomeFeatures {
   object TweetUrlsFeature extends Feature[TweetCandidate, Seq[String]]
   object VideoDurationMsFeature extends Feature[TweetCandidate, Option[Int]]
   object ViewerIdFeature
-      extends Feature[TweetCandidate, Long]
+      extends DataRecordFeature[TweetCandidate, Long]
       with LongDiscreteDataRecordCompatible {
     override def featureName: String = SharedFeatures.USER_ID.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set(pd.PersonalDataType.UserId)
@@ -145,19 +180,19 @@ object HomeFeatures {
   object WeightedModelScoreFeature extends Feature[TweetCandidate, Option[Double]]
   object MentionUserIdFeature extends Feature[TweetCandidate, Seq[Long]]
   object MentionScreenNameFeature extends Feature[TweetCandidate, Seq[String]]
-  object SemanticAnnotationFeature extends Feature[TweetCandidate, Seq[esb.TweetEntityAnnotation]]
   object HasImageFeature extends Feature[TweetCandidate, Boolean]
   object HasVideoFeature extends Feature[TweetCandidate, Boolean]
 
   // Tweetypie VF Features
-  object IsHydratedFeature extends FeatureWithDefaultOnFailure[TweetCandidate, Boolean] {
-    override val defaultValue: Boolean = true
-  }
+  object IsHydratedFeature extends Feature[TweetCandidate, Boolean]
   object IsNsfwFeature extends Feature[TweetCandidate, Boolean]
   object QuotedTweetDroppedFeature extends Feature[TweetCandidate, Boolean]
   // Raw Tweet Text from Tweetypie
   object TweetTextFeature extends Feature[TweetCandidate, Option[String]]
 
+  object AuthorEnabledPreviewsFeature extends Feature[TweetCandidate, Boolean]
+  object IsTweetPreviewFeature extends Feature[TweetCandidate, Boolean]
+
   // SGS Features
   /**
    * By convention, this is set to true for retweets of non-followed authors
@@ -170,41 +205,49 @@ object HomeFeatures {
   // Query Features
   object AccountAgeFeature extends Feature[PipelineQuery, Option[Time]]
   object ClientIdFeature
-      extends Feature[PipelineQuery, Option[Long]]
+      extends DataRecordOptionalFeature[PipelineQuery, Long]
       with LongDiscreteDataRecordCompatible {
     override def featureName: String = SharedFeatures.CLIENT_ID.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set(pd.PersonalDataType.ClientType)
   }
-  object CachedScoredTweetsFeature extends Feature[PipelineQuery, Seq[hmt.CachedScoredTweet]]
+  object CachedScoredTweetsFeature extends Feature[PipelineQuery, Seq[hmt.ScoredTweet]]
   object DeviceLanguageFeature extends Feature[PipelineQuery, Option[String]]
   object DismissInfoFeature
       extends FeatureWithDefaultOnFailure[PipelineQuery, Map[st.SuggestType, Option[DismissInfo]]] {
     override def defaultValue: Map[st.SuggestType, Option[DismissInfo]] = Map.empty
   }
   object FollowingLastNonPollingTimeFeature extends Feature[PipelineQuery, Option[Time]]
-  object GetInitialFeature extends Feature[PipelineQuery, Boolean] with BoolDataRecordCompatible {
+  object GetInitialFeature
+      extends DataRecordFeature[PipelineQuery, Boolean]
+      with BoolDataRecordCompatible {
     override def featureName: String = RequestContextFeatures.IS_GET_INITIAL.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
   }
-  object GetMiddleFeature extends Feature[PipelineQuery, Boolean] with BoolDataRecordCompatible {
+  object GetMiddleFeature
+      extends DataRecordFeature[PipelineQuery, Boolean]
+      with BoolDataRecordCompatible {
     override def featureName: String = RequestContextFeatures.IS_GET_MIDDLE.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
   }
-  object GetNewerFeature extends Feature[PipelineQuery, Boolean] with BoolDataRecordCompatible {
+  object GetNewerFeature
+      extends DataRecordFeature[PipelineQuery, Boolean]
+      with BoolDataRecordCompatible {
     override def featureName: String = RequestContextFeatures.IS_GET_NEWER.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
   }
-  object GetOlderFeature extends Feature[PipelineQuery, Boolean] with BoolDataRecordCompatible {
+  object GetOlderFeature
+      extends DataRecordFeature[PipelineQuery, Boolean]
+      with BoolDataRecordCompatible {
     override def featureName: String = RequestContextFeatures.IS_GET_OLDER.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
   }
   object GuestIdFeature
-      extends Feature[PipelineQuery, Option[Long]]
+      extends DataRecordOptionalFeature[PipelineQuery, Long]
       with LongDiscreteDataRecordCompatible {
     override def featureName: String = SharedFeatures.GUEST_ID.getFeatureName
     override def personalDataTypes: Set[pd.PersonalDataType] = Set(pd.PersonalDataType.GuestId)
   }
-  object HasDarkRequestFeature extends Feature[TweetCandidate, Option[Boolean]]
+  object HasDarkRequestFeature extends Feature[PipelineQuery, Option[Boolean]]
   object ImpressionBloomFilterFeature
       extends FeatureWithDefaultOnFailure[PipelineQuery, blm.ImpressionBloomFilterSeq] {
     override def defaultValue: blm.ImpressionBloomFilterSeq =
@@ -223,6 +266,26 @@ object HomeFeatures {
   // Internal id generated per request, mainly to deduplicate re-served cached tweets in logging
   object ServedRequestIdFeature extends Feature[PipelineQuery, Option[Long]]
   object ServedTweetIdsFeature extends Feature[PipelineQuery, Seq[Long]]
+  object ServedTweetPreviewIdsFeature extends Feature[PipelineQuery, Seq[Long]]
+  object TimelineServiceTweetsFeature extends Feature[PipelineQuery, Seq[Long]]
+  object TimestampFeature
+      extends DataRecordFeature[PipelineQuery, Long]
+      with LongDiscreteDataRecordCompatible {
+    override def featureName: String = SharedFeatures.TIMESTAMP.getFeatureName
+    override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
+  }
+  object TimestampGMTDowFeature
+      extends DataRecordFeature[PipelineQuery, Long]
+      with LongDiscreteDataRecordCompatible {
+    override def featureName: String = RequestContextFeatures.TIMESTAMP_GMT_DOW.getFeatureName
+    override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
+  }
+  object TimestampGMTHourFeature
+      extends DataRecordFeature[PipelineQuery, Long]
+      with LongDiscreteDataRecordCompatible {
+    override def featureName: String = RequestContextFeatures.TIMESTAMP_GMT_HOUR.getFeatureName
+    override def personalDataTypes: Set[pd.PersonalDataType] = Set.empty
+  }
   object TweetImpressionsFeature extends Feature[PipelineQuery, Seq[imp.TweetImpressionsEntry]]
   object UserFollowedTopicsCountFeature extends Feature[PipelineQuery, Option[Int]]
   object UserFollowingCountFeature extends Feature[PipelineQuery, Option[Int]]
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/BUILD.bazel
index 2212b81590..3883e454ec 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/BUILD.bazel
@@ -6,7 +6,6 @@ scala_library(
     dependencies = [
         "dspbidder/thrift/src/main/thrift/com/twitter/dspbidder/commons:thrift-scala",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common/identifier",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/marshalling/request",
         "timelineservice/common:model",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProduct.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProduct.scala
index 107f4c2435..7c27c50d5a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProduct.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProduct.scala
@@ -33,3 +33,8 @@ case object ListRecommendedUsersProduct extends Product {
   override val identifier: ProductIdentifier = ProductIdentifier("ListRecommendedUsers")
   override val stringCenterProject: Option[String] = Some("timelinemixer")
 }
+
+case object SubscribedProduct extends Product {
+  override val identifier: ProductIdentifier = ProductIdentifier("Subscribed")
+  override val stringCenterProject: Option[String] = Some("timelinemixer")
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProductContext.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProductContext.scala
index 9f3ec4cb78..dddd733f34 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProductContext.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request/HomeMixerProductContext.scala
@@ -12,13 +12,15 @@ case class FollowingProductContext(
 case class ForYouProductContext(
   deviceContext: Option[DeviceContext],
   seenTweetIds: Option[Seq[Long]],
-  dspClientContext: Option[DspClientContext])
+  dspClientContext: Option[DspClientContext],
+  pushToHomeTweetId: Option[Long])
     extends ProductContext
 
 case class ScoredTweetsProductContext(
   deviceContext: Option[DeviceContext],
   seenTweetIds: Option[Seq[Long]],
-  servedTweetIds: Option[Seq[Long]])
+  servedTweetIds: Option[Seq[Long]],
+  backfillTweetIds: Option[Seq[Long]])
     extends ProductContext
 
 case class ListTweetsProductContext(
@@ -30,5 +32,11 @@ case class ListTweetsProductContext(
 case class ListRecommendedUsersProductContext(
   listId: Long,
   selectedUserIds: Option[Seq[Long]],
-  excludedUserIds: Option[Seq[Long]])
+  excludedUserIds: Option[Seq[Long]],
+  listName: Option[String])
+    extends ProductContext
+
+case class SubscribedProductContext(
+  deviceContext: Option[DeviceContext],
+  seenTweetIds: Option[Seq[Long]])
     extends ProductContext
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BUILD.bazel
index 651d2f1d8f..b7fbca0d30 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BUILD.bazel
@@ -48,7 +48,9 @@ scala_library(
         "src/thrift/com/twitter/manhattan:v1-scala",
         "src/thrift/com/twitter/manhattan:v2-scala",
         "src/thrift/com/twitter/onboarding/relevance/features:features-java",
+        "src/thrift/com/twitter/search:blender-scala",
         "src/thrift/com/twitter/search:earlybird-scala",
+        "src/thrift/com/twitter/service/metastore/gen:thrift-scala",
         "src/thrift/com/twitter/socialgraph:thrift-scala",
         "src/thrift/com/twitter/timelines/author_features:thrift-java",
         "src/thrift/com/twitter/timelines/impression_bloom_filter:thrift-scala",
@@ -72,6 +74,7 @@ scala_library(
         "timelines/src/main/scala/com/twitter/timelines/clients/manhattan/store",
         "timelines/src/main/scala/com/twitter/timelines/clients/predictionservice",
         "timelines/src/main/scala/com/twitter/timelines/clients/strato",
+        "timelines/src/main/scala/com/twitter/timelines/clients/strato/topics",
         "timelines/src/main/scala/com/twitter/timelines/clients/strato/twistly",
         "timelines/src/main/scala/com/twitter/timelines/config",
         "timelines/src/main/scala/com/twitter/timelines/impressionstore/impressionbloomfilter",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BlenderClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BlenderClientModule.scala
new file mode 100644
index 0000000000..bc40451811
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/BlenderClientModule.scala
@@ -0,0 +1,41 @@
+package com.twitter.home_mixer.module
+
+import com.google.inject.Provides
+import com.twitter.conversions.DurationOps._
+import com.twitter.finagle.mtls.authentication.ServiceIdentifier
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.finagle.thrift.ClientId
+import com.twitter.inject.TwitterModule
+import com.twitter.product_mixer.shared_library.thrift_client.FinagleThriftClientBuilder
+import com.twitter.product_mixer.shared_library.thrift_client.NonIdempotent
+import com.twitter.search.blender.thriftscala.BlenderService
+import javax.inject.Singleton
+
+object BlenderClientModule extends TwitterModule {
+
+  @Singleton
+  @Provides
+  def providesBlenderClient(
+    serviceIdentifier: ServiceIdentifier,
+    statsReceiver: StatsReceiver
+  ): BlenderService.MethodPerEndpoint = {
+    val clientId = serviceIdentifier.environment.toLowerCase match {
+      case "prod" => ClientId("")
+      case _ => ClientId("")
+    }
+
+    FinagleThriftClientBuilder.buildFinagleMethodPerEndpoint[
+      BlenderService.ServicePerEndpoint,
+      BlenderService.MethodPerEndpoint
+    ](
+      serviceIdentifier = serviceIdentifier,
+      clientId = clientId,
+      dest = "/s/blender-universal/blender",
+      label = "blender",
+      statsReceiver = statsReceiver,
+      idempotency = NonIdempotent,
+      timeoutPerRequest = 1000.milliseconds,
+      timeoutTotal = 1000.milliseconds,
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/FeedbackHistoryClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/FeedbackHistoryClientModule.scala
index 83093de453..c065f7b359 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/FeedbackHistoryClientModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/FeedbackHistoryClientModule.scala
@@ -1,21 +1,28 @@
 package com.twitter.home_mixer.module
 
 import com.google.inject.Provides
+import com.twitter.conversions.DurationOps._
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.inject.TwitterModule
+import com.twitter.inject.annotations.Flag
 import com.twitter.timelinemixer.clients.feedback.FeedbackHistoryManhattanClient
 import com.twitter.timelinemixer.clients.feedback.FeedbackHistoryManhattanClientConfig
 import com.twitter.timelines.clients.manhattan.mhv3.ManhattanClientBuilder
+import com.twitter.util.Duration
 import javax.inject.Singleton
 
 object FeedbackHistoryClientModule extends TwitterModule {
   private val ProdDataset = "feedback_history"
   private val StagingDataset = "feedback_history_nonprod"
+  private final val Timeout = "mh_feedback_history.timeout"
+
+  flag[Duration](Timeout, 150.millis, "Timeout per request")
 
   @Provides
   @Singleton
   def providesFeedbackHistoryClient(
+    @Flag(Timeout) timeout: Duration,
     serviceId: ServiceIdentifier,
     statsReceiver: StatsReceiver
   ) = {
@@ -28,6 +35,7 @@ object FeedbackHistoryClientModule extends TwitterModule {
       val dataset = manhattanDataset
       val isReadOnly = true
       val serviceIdentifier = serviceId
+      override val defaultMaxTimeout = timeout
     }
 
     new FeedbackHistoryManhattanClient(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeMixerFlagsModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeMixerFlagsModule.scala
index 4031596a71..e31d2d9bc2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeMixerFlagsModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeMixerFlagsModule.scala
@@ -16,9 +16,15 @@ object HomeMixerFlagsModule extends TwitterModule {
   )
 
   flag[Boolean](
-    name = ScribeServedEntriesFlag,
+    name = ScribeServedCandidatesFlag,
     default = false,
-    help = "Toggles logging served entries to Scribe"
+    help = "Toggles logging served candidates to Scribe"
+  )
+
+  flag[Boolean](
+    name = ScribeScoredCandidatesFlag,
+    default = false,
+    help = "Toggles logging scored candidates to Scribe"
   )
 
   flag[Boolean](
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ImpressionBloomFilterModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ImpressionBloomFilterModule.scala
index cb339a1d58..f37531483b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ImpressionBloomFilterModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ImpressionBloomFilterModule.scala
@@ -5,11 +5,13 @@ import com.twitter.conversions.DurationOps._
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.inject.TwitterModule
+import com.twitter.inject.annotations.Flag
 import com.twitter.storage.client.manhattan.kv.Guarantee
 import com.twitter.storehaus_internal.manhattan.ManhattanClusters
 import com.twitter.timelines.clients.manhattan.store._
-import com.twitter.timelines.impressionstore.impressionbloomfilter.ImpressionBloomFilter
+import com.twitter.timelines.impressionbloomfilter.{thriftscala => blm}
 import com.twitter.timelines.impressionstore.impressionbloomfilter.ImpressionBloomFilterManhattanKeyValueDescriptor
+import com.twitter.util.Duration
 import javax.inject.Singleton
 
 object ImpressionBloomFilterModule extends TwitterModule {
@@ -20,35 +22,38 @@ object ImpressionBloomFilterModule extends TwitterModule {
   private val StagingDataset = "impression_bloom_filter_staging"
   private val ClientStatsScope = "tweetBloomFilterImpressionManhattanClient"
   private val DefaultTTL = 7.days
+  private final val Timeout = "mh_impression_store_bloom_filter.timeout"
+
+  flag[Duration](Timeout, 150.millis, "Timeout per request")
 
   @Provides
   @Singleton
   def providesImpressionBloomFilter(
+    @Flag(Timeout) timeout: Duration,
     serviceIdentifier: ServiceIdentifier,
     statsReceiver: StatsReceiver
-  ): ImpressionBloomFilter = {
+  ): ManhattanStoreClient[blm.ImpressionBloomFilterKey, blm.ImpressionBloomFilterSeq] = {
     val (appId, dataset) = serviceIdentifier.environment.toLowerCase match {
       case "prod" => (ProdAppId, ProdDataset)
       case _ => (StagingAppId, StagingDataset)
     }
 
-    implicit val manhattanKeyValueDescriptor = ImpressionBloomFilterManhattanKeyValueDescriptor(
-      dataset = dataset,
-      ttl = DefaultTTL
-    )
+    implicit val manhattanKeyValueDescriptor: ImpressionBloomFilterManhattanKeyValueDescriptor =
+      ImpressionBloomFilterManhattanKeyValueDescriptor(
+        dataset = dataset,
+        ttl = DefaultTTL
+      )
 
-    val manhattanClient = ManhattanStoreClientBuilder.buildManhattanClient(
+    ManhattanStoreClientBuilder.buildManhattanClient(
       serviceIdentifier = serviceIdentifier,
       cluster = ManhattanClusters.nash,
       appId = appId,
-      defaultMaxTimeout = 100.milliseconds,
+      defaultMaxTimeout = timeout,
       maxRetryCount = 2,
       defaultGuarantee = Some(Guarantee.SoftDcReadMyWrites),
       isReadOnly = false,
       statsScope = ClientStatsScope,
       statsReceiver = statsReceiver
     )
-
-    ImpressionBloomFilter(manhattanClient)
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanClientsModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanClientsModule.scala
index 5bdbf9e974..fc0e282af7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanClientsModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanClientsModule.scala
@@ -1,10 +1,11 @@
 package com.twitter.home_mixer.module
 
 import com.google.inject.Provides
+import com.twitter.conversions.DurationOps._
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.RealGraphManhattanEndpoint
-import com.twitter.home_mixer.param.HomeMixerInjectionNames.UserMetadataManhattanEndpoint
 import com.twitter.inject.TwitterModule
+import com.twitter.inject.annotations.Flag
 import com.twitter.storage.client.manhattan.kv._
 import com.twitter.timelines.config.ConfigUtils
 import com.twitter.util.Duration
@@ -13,44 +14,28 @@ import javax.inject.Singleton
 
 object ManhattanClientsModule extends TwitterModule with ConfigUtils {
 
-  private val starbuckDest: String = "/s/manhattan/starbuck.native-thrift"
-  private val apolloDest: String = "/s/manhattan/apollo.native-thrift"
+  private val ApolloDest = "/s/manhattan/apollo.native-thrift"
+  private final val Timeout = "mh_real_graph.timeout"
+
+  flag[Duration](Timeout, 150.millis, "Timeout total")
 
   @Provides
   @Singleton
   @Named(RealGraphManhattanEndpoint)
   def providesRealGraphManhattanEndpoint(
+    @Flag(Timeout) timeout: Duration,
     serviceIdentifier: ServiceIdentifier
   ): ManhattanKVEndpoint = {
     lazy val client = ManhattanKVClient(
       appId = "real_graph",
-      dest = apolloDest,
+      dest = ApolloDest,
       mtlsParams = ManhattanKVClientMtlsParams(serviceIdentifier = serviceIdentifier),
       label = "real-graph-data"
     )
 
     ManhattanKVEndpointBuilder(client)
       .maxRetryCount(2)
-      .defaultMaxTimeout(Duration.fromMilliseconds(100))
-      .build()
-  }
-
-  @Provides
-  @Singleton
-  @Named(UserMetadataManhattanEndpoint)
-  def providesUserMetadataManhattanEndpoint(
-    serviceIdentifier: ServiceIdentifier
-  ): ManhattanKVEndpoint = {
-    val client = ManhattanKVClient(
-      appId = "user_metadata",
-      dest = starbuckDest,
-      mtlsParams = ManhattanKVClientMtlsParams(serviceIdentifier = serviceIdentifier),
-      label = "user-metadata"
-    )
-
-    ManhattanKVEndpointBuilder(client)
-      .maxRetryCount(1)
-      .defaultMaxTimeout(Duration.fromMilliseconds(70))
+      .defaultMaxTimeout(timeout)
       .build()
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanFeatureRepositoryModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanFeatureRepositoryModule.scala
index f9afc1dcb3..5668ba0eec 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanFeatureRepositoryModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanFeatureRepositoryModule.scala
@@ -9,17 +9,18 @@ import com.twitter.conversions.DurationOps._
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.home_mixer.param.HomeMixerInjectionNames._
 import com.twitter.home_mixer.util.InjectionTransformerImplicits._
+import com.twitter.home_mixer.util.LanguageUtil
 import com.twitter.home_mixer.util.TensorFlowUtil
 import com.twitter.inject.TwitterModule
-import com.twitter.manhattan.v1.thriftscala.ManhattanCoordinator
 import com.twitter.manhattan.v1.{thriftscala => mh}
-import com.twitter.ml.api.thriftscala.FloatTensor
 import com.twitter.ml.api.{thriftscala => ml}
 import com.twitter.ml.featurestore.lib.UserId
-import com.twitter.ml.featurestore.thriftscala.EntityId
+import com.twitter.ml.featurestore.{thriftscala => fs}
 import com.twitter.onboarding.relevance.features.{thriftjava => rf}
 import com.twitter.product_mixer.shared_library.manhattan_client.ManhattanClientBuilder
 import com.twitter.scalding_internal.multiformat.format.keyval.KeyValInjection.ScalaBinaryThrift
+import com.twitter.search.common.constants.{thriftscala => scc}
+import com.twitter.service.metastore.gen.{thriftscala => smg}
 import com.twitter.servo.cache._
 import com.twitter.servo.manhattan.ManhattanKeyValueRepository
 import com.twitter.servo.repository.CachingKeyValueRepository
@@ -28,10 +29,11 @@ import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.servo.repository.Repository
 import com.twitter.servo.repository.keysAsQuery
 import com.twitter.servo.util.Transformer
+import com.twitter.storage.client.manhattan.bijections.Bijections
 import com.twitter.storehaus_internal.manhattan.ManhattanClusters
 import com.twitter.timelines.author_features.v1.{thriftjava => af}
-import com.twitter.timelines.suggests.common.dense_data_record.thriftscala.DenseFeatureMetadata
-import com.twitter.user_session_store.thriftscala.UserSession
+import com.twitter.timelines.suggests.common.dense_data_record.{thriftscala => ddr}
+import com.twitter.user_session_store.{thriftscala => uss_scala}
 import com.twitter.user_session_store.{thriftjava => uss}
 import com.twitter.util.Duration
 import com.twitter.util.Try
@@ -46,24 +48,40 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
 
   private val DEFAULT_RPC_CHUNK_SIZE = 50
 
-  private val ThriftEntityIdInjection = ScalaBinaryThrift(EntityId)
+  private val ThriftEntityIdInjection = ScalaBinaryThrift(fs.EntityId)
 
-  val UserIdKeyTransformer = new Transformer[Long, ByteBuffer] {
+  private val FeatureStoreUserIdKeyTransformer = new Transformer[Long, ByteBuffer] {
     override def to(userId: Long): Try[ByteBuffer] = {
       Try(ByteBuffer.wrap(ThriftEntityIdInjection.apply(UserId(userId).toThrift)))
     }
     override def from(b: ByteBuffer): Try[Long] = ???
   }
 
-  val FloatTensorTransformer = new Transformer[ByteBuffer, FloatTensor] {
-    override def to(input: ByteBuffer): Try[FloatTensor] = {
+  private val FloatTensorTransformer = new Transformer[ByteBuffer, ml.FloatTensor] {
+    override def to(input: ByteBuffer): Try[ml.FloatTensor] = {
       val floatTensor = TensorFlowUtil.embeddingByteBufferToFloatTensor(input)
       Try(floatTensor)
     }
 
-    override def from(b: FloatTensor): Try[ByteBuffer] = ???
+    override def from(b: ml.FloatTensor): Try[ByteBuffer] = ???
   }
 
+  private val LanguageTransformer = new Transformer[ByteBuffer, Seq[scc.ThriftLanguage]] {
+    override def to(input: ByteBuffer): Try[Seq[scc.ThriftLanguage]] = {
+      Try.fromScala(
+        Bijections
+          .BinaryScalaInjection(smg.UserLanguages)
+          .andThen(Bijections.byteBuffer2Buf.inverse)
+          .invert(input).map(LanguageUtil.computeLanguages(_)))
+    }
+
+    override def from(b: Seq[scc.ThriftLanguage]): Try[ByteBuffer] = ???
+  }
+
+  private val LongKeyTransformer = Injection
+    .connect[Long, Array[Byte]]
+    .toByteBufferTransformer()
+
   // manhattan clients
 
   @Provides
@@ -127,18 +145,14 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
     @Named(ManhattanStarbuckClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
   ): KeyValueRepository[Seq[Long], Long, rf.MCUserCountingFeatures] = {
 
-    val keyTransformer = Injection
-      .connect[Long, Array[Byte]]
-      .toByteBufferTransformer()
-
     val valueTransformer = ThriftCodec
-      .toCompact[rf.MCUserCountingFeatures]
+      .toBinary[rf.MCUserCountingFeatures]
       .toByteBufferTransformer()
       .flip
 
     batchedManhattanKeyValueRepository[Long, rf.MCUserCountingFeatures](
       client = client,
-      keyTransformer = keyTransformer,
+      keyTransformer = LongKeyTransformer,
       valueTransformer = valueTransformer,
       appId = "wtf_ml",
       dataset = "mc_user_counting_features_v0_starbuck",
@@ -158,25 +172,25 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
   @Named(TimelineAggregateMetadataRepository)
   def providesTimelineAggregateMetadataRepository(
     @Named(ManhattanAthenaClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
-  ): Repository[Int, Option[DenseFeatureMetadata]] = {
+  ): Repository[Int, Option[ddr.DenseFeatureMetadata]] = {
 
     val keyTransformer = Injection
       .connect[Int, Array[Byte]]
       .toByteBufferTransformer()
 
-    val valueTransformer = new Transformer[ByteBuffer, DenseFeatureMetadata] {
+    val valueTransformer = new Transformer[ByteBuffer, ddr.DenseFeatureMetadata] {
       private val compactProtocolFactory = new TCompactProtocol.Factory
 
-      def to(buffer: ByteBuffer): Try[DenseFeatureMetadata] = Try {
+      def to(buffer: ByteBuffer): Try[ddr.DenseFeatureMetadata] = Try {
         val transport = transportFromByteBuffer(buffer)
-        DenseFeatureMetadata.decode(compactProtocolFactory.getProtocol(transport))
+        ddr.DenseFeatureMetadata.decode(compactProtocolFactory.getProtocol(transport))
       }
 
       // Encoding intentionally not implemented as it is never used
-      def from(metadata: DenseFeatureMetadata): Try[ByteBuffer] = ???
+      def from(metadata: ddr.DenseFeatureMetadata): Try[ByteBuffer] = ???
     }
 
-    val inProcessCache: Cache[Int, Cached[DenseFeatureMetadata]] = InProcessLruCacheFactory(
+    val inProcessCache: Cache[Int, Cached[ddr.DenseFeatureMetadata]] = InProcessLruCacheFactory(
       ttl = Duration.fromMinutes(20),
       lruSize = 30
     ).apply(serializer = Transformer(_ => ???, _ => ???)) // Serialization is not necessary here.
@@ -192,7 +206,7 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
 
     KeyValueRepository
       .singular(
-        new CachingKeyValueRepository[Seq[Int], Int, DenseFeatureMetadata](
+        new CachingKeyValueRepository[Seq[Int], Int, ddr.DenseFeatureMetadata](
           keyValueRepository,
           new NonLockingCache(inProcessCache),
           keysAsQuery[Int]
@@ -204,17 +218,17 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
   @Singleton
   @Named(RealGraphFeatureRepository)
   def providesRealGraphFeatureRepository(
-    @Named(ManhattanApolloClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
-  ): Repository[Long, Option[UserSession]] = {
-    val valueTransformer = CompactScalaCodec(UserSession).toByteBufferTransformer().flip
+    @Named(ManhattanAthenaClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
+  ): Repository[Long, Option[uss_scala.UserSession]] = {
+    val valueTransformer = CompactScalaCodec(uss_scala.UserSession).toByteBufferTransformer().flip
 
     KeyValueRepository.singular(
       new ManhattanKeyValueRepository(
         client = client,
-        keyTransformer = UserIdKeyTransformer,
+        keyTransformer = LongKeyTransformer,
         valueTransformer = valueTransformer,
         appId = "real_graph",
-        dataset = "real_graph_user_features",
+        dataset = "split_real_graph_features",
         timeoutInMillis = 100,
       )
     )
@@ -230,16 +244,12 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
     @Named(HomeAuthorFeaturesCacheClient) cacheClient: Memcache
   ): KeyValueRepository[Seq[Long], Long, af.AuthorFeatures] = {
 
-    val keyTransformer = Injection
-      .connect[Long, Array[Byte]]
-      .toByteBufferTransformer()
-
     val valueInjection = ThriftCodec
       .toCompact[af.AuthorFeatures]
 
     val keyValueRepository = batchedManhattanKeyValueRepository(
       client = client,
-      keyTransformer = keyTransformer,
+      keyTransformer = LongKeyTransformer,
       valueTransformer = valueInjection.toByteBufferTransformer().flip,
       appId = "timelines_author_feature_store_athena",
       dataset = "timelines_author_features",
@@ -263,47 +273,58 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
 
   @Provides
   @Singleton
-  @Named(TwhinAuthorFollow20200101FeatureRepository)
-  def providesTwhinAuthorFollow20200101FeatureRepository(
+  @Named(TwhinAuthorFollowFeatureRepository)
+  def providesTwhinAuthorFollowFeatureRepository(
     @Named(ManhattanApolloClient) client: mh.ManhattanCoordinator.MethodPerEndpoint,
-    @Named(TwhinAuthorFollow20200101FeatureCacheClient) cacheClient: Memcache
-  ): KeyValueRepository[Seq[Long], Long, ml.Embedding] = {
+    @Named(TwhinAuthorFollowFeatureCacheClient) cacheClient: Memcache
+  ): KeyValueRepository[Seq[Long], Long, ml.FloatTensor] = {
+    val keyValueRepository =
+      batchedManhattanKeyValueRepository(
+        client = client,
+        keyTransformer = FeatureStoreUserIdKeyTransformer,
+        valueTransformer = FloatTensorTransformer,
+        appId = "ml_features_apollo",
+        dataset = "twhin_author_follow_embedding_fsv1__v1_thrift__embedding",
+        timeoutInMillis = 100
+      )
 
-    val keyTransformer = Injection
-      .connect[Long, Array[Byte]]
-      .toByteBufferTransformer()
-
-    val valueInjection: Injection[ml.Embedding, Array[Byte]] =
-      BinaryScalaCodec(ml.Embedding)
-
-    val keyValueRepository = batchedManhattanKeyValueRepository(
-      client = client,
-      keyTransformer = keyTransformer,
-      valueTransformer = valueInjection.toByteBufferTransformer().flip,
-      appId = "twhin",
-      dataset = "twhinauthor_follow_0101",
-      timeoutInMillis = 100
-    )
+    val valueInjection: Injection[ml.FloatTensor, Array[Byte]] =
+      BinaryScalaCodec(ml.FloatTensor)
 
     buildMemCachedRepository(
       keyValueRepository = keyValueRepository,
       cacheClient = cacheClient,
-      cachePrefix = "TwhinAuthorFollow20200101FeatureHydrator",
-      ttl = 48.hours,
+      cachePrefix = "twhinAuthorFollows",
+      ttl = 24.hours,
       valueInjection = valueInjection
     )
   }
 
+  @Provides
+  @Singleton
+  @Named(UserLanguagesRepository)
+  def providesUserLanguagesFeatureRepository(
+    @Named(ManhattanStarbuckClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
+  ): KeyValueRepository[Seq[Long], Long, Seq[scc.ThriftLanguage]] = {
+    batchedManhattanKeyValueRepository(
+      client = client,
+      keyTransformer = LongKeyTransformer,
+      valueTransformer = LanguageTransformer,
+      appId = "user_metadata",
+      dataset = "languages",
+      timeoutInMillis = 70
+    )
+  }
+
   @Provides
   @Singleton
   @Named(TwhinUserFollowFeatureRepository)
   def providesTwhinUserFollowFeatureRepository(
     @Named(ManhattanApolloClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
-  ): KeyValueRepository[Seq[Long], Long, FloatTensor] = {
-
+  ): KeyValueRepository[Seq[Long], Long, ml.FloatTensor] = {
     batchedManhattanKeyValueRepository(
       client = client,
-      keyTransformer = UserIdKeyTransformer,
+      keyTransformer = FeatureStoreUserIdKeyTransformer,
       valueTransformer = FloatTensorTransformer,
       appId = "ml_features_apollo",
       dataset = "twhin_user_follow_embedding_fsv1__v1_thrift__embedding",
@@ -340,11 +361,11 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
   @Named(TwhinUserEngagementFeatureRepository)
   def providesTwhinUserEngagementFeatureRepository(
     @Named(ManhattanApolloClient) client: mh.ManhattanCoordinator.MethodPerEndpoint
-  ): KeyValueRepository[Seq[Long], Long, FloatTensor] = {
+  ): KeyValueRepository[Seq[Long], Long, ml.FloatTensor] = {
 
     batchedManhattanKeyValueRepository(
       client = client,
-      keyTransformer = UserIdKeyTransformer,
+      keyTransformer = FeatureStoreUserIdKeyTransformer,
       valueTransformer = FloatTensorTransformer,
       appId = "ml_features_apollo",
       dataset = "twhin_user_engagement_embedding_fsv1__v1_thrift__embedding",
@@ -399,7 +420,7 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
   }
 
   private def batchedManhattanKeyValueRepository[K, V](
-    client: ManhattanCoordinator.MethodPerEndpoint,
+    client: mh.ManhattanCoordinator.MethodPerEndpoint,
     keyTransformer: Transformer[K, ByteBuffer],
     valueTransformer: Transformer[ByteBuffer, V],
     appId: String,
@@ -430,24 +451,18 @@ object ManhattanFeatureRepositoryModule extends TwitterModule {
     mhDataset: String,
     mhAppId: String
   ): Repository[Long, Option[uss.UserSession]] = {
-    val keyTransformer = Injection
-      .connect[Long, Array[Byte]]
-      .toByteBufferTransformer()
-
     val valueInjection = ThriftCodec
       .toCompact[uss.UserSession]
 
     KeyValueRepository.singular(
       new ManhattanKeyValueRepository(
         client = mhClient,
-        keyTransformer = keyTransformer,
+        keyTransformer = LongKeyTransformer,
         valueTransformer = valueInjection.toByteBufferTransformer().flip,
         appId = mhAppId,
         dataset = mhDataset,
         timeoutInMillis = 100
       )
     )
-
   }
-
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanTweetImpressionStoreModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanTweetImpressionStoreModule.scala
index 1f6ae824a1..c6782665a2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanTweetImpressionStoreModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ManhattanTweetImpressionStoreModule.scala
@@ -5,11 +5,13 @@ import com.twitter.conversions.DurationOps._
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.inject.TwitterModule
+import com.twitter.inject.annotations.Flag
 import com.twitter.storage.client.manhattan.kv.Guarantee
 import com.twitter.storehaus_internal.manhattan.ManhattanClusters
 import com.twitter.timelines.clients.manhattan.mhv3.ManhattanClientBuilder
 import com.twitter.timelines.impressionstore.store.ManhattanTweetImpressionStoreClientConfig
 import com.twitter.timelines.impressionstore.store.ManhattanTweetImpressionStoreClient
+import com.twitter.util.Duration
 import javax.inject.Singleton
 
 object ManhattanTweetImpressionStoreModule extends TwitterModule {
@@ -20,10 +22,14 @@ object ManhattanTweetImpressionStoreModule extends TwitterModule {
   private val StagingDataset = "timelines_tweet_impressions_staging"
   private val StatsScope = "manhattanTweetImpressionStoreClient"
   private val DefaultTTL = 2.days
+  private final val Timeout = "mh_impression_store.timeout"
+
+  flag[Duration](Timeout, 150.millis, "Timeout per request")
 
   @Provides
   @Singleton
   def providesManhattanTweetImpressionStoreClient(
+    @Flag(Timeout) timeout: Duration,
     serviceIdentifier: ServiceIdentifier,
     statsReceiver: StatsReceiver
   ): ManhattanTweetImpressionStoreClient = {
@@ -39,7 +45,7 @@ object ManhattanTweetImpressionStoreModule extends TwitterModule {
       dataset = dataset,
       statsScope = StatsScope,
       defaultGuarantee = Guarantee.SoftDcReadMyWrites,
-      defaultMaxTimeout = 100.milliseconds,
+      defaultMaxTimeout = timeout,
       maxRetryCount = 2,
       isReadOnly = false,
       serviceIdentifier = serviceIdentifier,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/MemcachedFeatureRepositoryModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/MemcachedFeatureRepositoryModule.scala
index 2f5ce1f5d7..8afafbfb7f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/MemcachedFeatureRepositoryModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/MemcachedFeatureRepositoryModule.scala
@@ -8,7 +8,7 @@ import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.HomeAuthorFeaturesCacheClient
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.RealTimeInteractionGraphUserVertexClient
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TimelinesRealTimeAggregateClient
-import com.twitter.home_mixer.param.HomeMixerInjectionNames.TwhinAuthorFollow20200101FeatureCacheClient
+import com.twitter.home_mixer.param.HomeMixerInjectionNames.TwhinAuthorFollowFeatureCacheClient
 import com.twitter.inject.TwitterModule
 import com.twitter.product_mixer.shared_library.memcached_client.MemcachedClientBuilder
 import com.twitter.servo.cache.FinagleMemcacheFactory
@@ -31,9 +31,10 @@ object MemcachedFeatureRepositoryModule extends TwitterModule {
     statsReceiver: StatsReceiver
   ): Memcache = {
     val rawClient = MemcachedClientBuilder.buildRawMemcachedClient(
-      numTries = 1,
-      requestTimeout = 150.milliseconds,
-      globalTimeout = 150.milliseconds,
+      numTries = 3,
+      numConnections = 1,
+      requestTimeout = 100.milliseconds,
+      globalTimeout = 300.milliseconds,
       connectTimeout = 200.milliseconds,
       acquisitionTimeout = 200.milliseconds,
       serviceIdentifier = serviceIdentifier,
@@ -51,9 +52,10 @@ object MemcachedFeatureRepositoryModule extends TwitterModule {
     statsReceiver: StatsReceiver
   ): Memcache = {
     val cacheClient = MemcachedClientBuilder.buildRawMemcachedClient(
-      numTries = 1,
-      requestTimeout = 50.milliseconds,
-      globalTimeout = 50.milliseconds,
+      numTries = 2,
+      numConnections = 1,
+      requestTimeout = 150.milliseconds,
+      globalTimeout = 300.milliseconds,
       connectTimeout = 200.milliseconds,
       acquisitionTimeout = 200.milliseconds,
       serviceIdentifier = serviceIdentifier,
@@ -65,15 +67,16 @@ object MemcachedFeatureRepositoryModule extends TwitterModule {
 
   @Provides
   @Singleton
-  @Named(TwhinAuthorFollow20200101FeatureCacheClient)
-  def providesTwhinAuthorFollow20200101FeatureCacheClient(
+  @Named(TwhinAuthorFollowFeatureCacheClient)
+  def providesTwhinAuthorFollowFeatureCacheClient(
     serviceIdentifier: ServiceIdentifier,
     statsReceiver: StatsReceiver
   ): Memcache = {
     val cacheClient = MemcachedClientBuilder.buildRawMemcachedClient(
-      numTries = 1,
-      requestTimeout = 50.milliseconds,
-      globalTimeout = 50.milliseconds,
+      numTries = 2,
+      numConnections = 1,
+      requestTimeout = 150.milliseconds,
+      globalTimeout = 300.milliseconds,
       connectTimeout = 200.milliseconds,
       acquisitionTimeout = 200.milliseconds,
       serviceIdentifier = serviceIdentifier,
@@ -91,9 +94,10 @@ object MemcachedFeatureRepositoryModule extends TwitterModule {
     statsReceiver: StatsReceiver
   ): Memcache = {
     val cacheClient = MemcachedClientBuilder.buildRawMemcachedClient(
-      numTries = 1,
-      requestTimeout = 100.milliseconds,
-      globalTimeout = 100.milliseconds,
+      numTries = 2,
+      numConnections = 1,
+      requestTimeout = 150.milliseconds,
+      globalTimeout = 300.milliseconds,
       connectTimeout = 200.milliseconds,
       acquisitionTimeout = 200.milliseconds,
       serviceIdentifier = serviceIdentifier,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeNaviModelClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/NaviModelClientModule.scala
similarity index 88%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeNaviModelClientModule.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/module/NaviModelClientModule.scala
index df70592c27..60d580a737 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/HomeNaviModelClientModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/NaviModelClientModule.scala
@@ -10,10 +10,9 @@ import com.twitter.inject.TwitterModule
 import com.twitter.timelines.clients.predictionservice.PredictionGRPCService
 import com.twitter.util.Duration
 import io.grpc.ManagedChannel
-
 import javax.inject.Singleton
 
-object HomeNaviModelClientModule extends TwitterModule {
+object NaviModelClientModule extends TwitterModule {
 
   @Singleton
   @Provides
@@ -23,10 +22,9 @@ object HomeNaviModelClientModule extends TwitterModule {
     //  Wily path to the ML Model service (e.g. /s/ml-serving/navi-explore-ranker).
     val modelPath = "/s/ml-serving/navi_home_recap_onnx"
 
-    // timeout for prediction service requests.
-    val MaxPredictionTimeoutMs: Duration = 300.millis
+    val MaxPredictionTimeoutMs: Duration = 500.millis
     val ConnectTimeoutMs: Duration = 200.millis
-    val AcquisitionTimeoutMs: Duration = 20000.millis
+    val AcquisitionTimeoutMs: Duration = 500.millis
     val MaxRetryAttempts: Int = 2
 
     val client = Http.client
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/OptimizedStratoClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/OptimizedStratoClientModule.scala
index 7575685f1f..b9e315acce 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/OptimizedStratoClientModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/OptimizedStratoClientModule.scala
@@ -17,7 +17,7 @@ import javax.inject.Singleton
 
 object OptimizedStratoClientModule extends TwitterModule {
 
-  private val ModerateStratoServerClientRequestTimeout = 150.millis
+  private val ModerateStratoServerClientRequestTimeout = 500.millis
 
   private val DefaultRetryPartialFunction: PartialFunction[Try[Nothing], Boolean] =
     RetryPolicy.TimeoutAndWriteExceptionsOnly
@@ -35,7 +35,7 @@ object OptimizedStratoClientModule extends TwitterModule {
   ): Client = {
     Strato.client
       .withMutualTls(serviceIdentifier, opportunisticLevel = OpportunisticTls.Required)
-      .withSession.acquisitionTimeout(150.milliseconds)
+      .withSession.acquisitionTimeout(500.milliseconds)
       .withRequestTimeout(ModerateStratoServerClientRequestTimeout)
       .withPerRequestTimeout(ModerateStratoServerClientRequestTimeout)
       .withRpcBatchSize(5)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/PipelineFailureExceptionMapper.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/PipelineFailureExceptionMapper.scala
index 65f0ac7bd4..ad15988cb4 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/PipelineFailureExceptionMapper.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/PipelineFailureExceptionMapper.scala
@@ -2,7 +2,7 @@ package com.twitter.home_mixer.module
 
 import com.twitter.finatra.thrift.exceptions.ExceptionMapper
 import com.twitter.home_mixer.{thriftscala => t}
-import com.twitter.inject.Logging
+import com.twitter.util.logging.Logging
 import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
 import com.twitter.product_mixer.core.pipeline.pipeline_failure.ProductDisabled
 import com.twitter.scrooge.ThriftException
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/RealtimeAggregateFeatureRepositoryModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/RealtimeAggregateFeatureRepositoryModule.scala
index 19512e6639..c3c5458195 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/RealtimeAggregateFeatureRepositoryModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/RealtimeAggregateFeatureRepositoryModule.scala
@@ -39,12 +39,12 @@ object RealtimeAggregateFeatureRepositoryModule
     extends TwitterModule
     with RealtimeAggregateHelpers {
 
-  private val authorIdFeature = new Feature.Discrete("entities.source_author_id")
-  private val countryCodeFeature = new Feature.Text("geo.user_location.country_code")
-  private val listIdFeature = new Feature.Discrete("list.id")
-  private val userIdFeature = new Feature.Discrete("meta.user_id")
-  private val topicIdFeature = new Feature.Discrete("entities.topic_id")
-  private val tweetIdFeature = new Feature.Discrete("entities.source_tweet_id")
+  private val authorIdFeature = new Feature.Discrete("entities.source_author_id").getFeatureId
+  private val countryCodeFeature = new Feature.Text("geo.user_location.country_code").getFeatureId
+  private val listIdFeature = new Feature.Discrete("list.id").getFeatureId
+  private val userIdFeature = new Feature.Discrete("meta.user_id").getFeatureId
+  private val topicIdFeature = new Feature.Discrete("entities.topic_id").getFeatureId
+  private val tweetIdFeature = new Feature.Discrete("entities.source_tweet_id").getFeatureId
 
   @Provides
   @Singleton
@@ -208,42 +208,20 @@ trait RealtimeAggregateHelpers {
       .compose((k: AggregationKey) => (k, defaultBatchID))
   }
 
-  protected def keyTransformD1(f1: Feature.Discrete)(key: Long): String = {
-    val aggregationKey = AggregationKey(
-      Map(f1.getFeatureId -> key),
-      Map.empty
-    )
-
+  protected def keyTransformD1(f1: Long)(key: Long): String = {
+    val aggregationKey = AggregationKey(Map(f1 -> key), Map.empty)
     keyEncoder(aggregationKey)
   }
 
-  protected def keyTransformD2(
-    f1: Feature.Discrete,
-    f2: Feature.Discrete
-  )(
-    keys: (Long, Long)
-  ): String = {
+  protected def keyTransformD2(f1: Long, f2: Long)(keys: (Long, Long)): String = {
     val (k1, k2) = keys
-    val aggregationKey = AggregationKey(
-      Map(f1.getFeatureId -> k1, f2.getFeatureId -> k2),
-      Map.empty
-    )
-
+    val aggregationKey = AggregationKey(Map(f1 -> k1, f2 -> k2), Map.empty)
     keyEncoder(aggregationKey)
   }
 
-  protected def keyTransformD1T1(
-    f1: Feature.Discrete,
-    f2: Feature.Text
-  )(
-    keys: (Long, String)
-  ): String = {
+  protected def keyTransformD1T1(f1: Long, f2: Long)(keys: (Long, String)): String = {
     val (k1, k2) = keys
-    val aggregationKey = AggregationKey(
-      Map(f1.getFeatureId -> k1),
-      Map(f2.getFeatureId -> k2)
-    )
-
+    val aggregationKey = AggregationKey(Map(f1 -> k1), Map(f2 -> k2))
     keyEncoder(aggregationKey)
   }
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScoredTweetsMemcacheModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScoredTweetsMemcacheModule.scala
index b8ac940b1c..4bed31c5cc 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScoredTweetsMemcacheModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScoredTweetsMemcacheModule.scala
@@ -10,7 +10,6 @@ import com.twitter.product_mixer.shared_library.memcached_client.MemcachedClient
 import com.twitter.servo.cache.FinagleMemcache
 import com.twitter.servo.cache.KeyTransformer
 import com.twitter.servo.cache.KeyValueTransformingTtlCache
-import com.twitter.servo.cache.ObservableTtlCache
 import com.twitter.servo.cache.Serializer
 import com.twitter.servo.cache.ThriftSerializer
 import com.twitter.servo.cache.TtlCache
@@ -24,8 +23,10 @@ object ScoredTweetsMemcacheModule extends TwitterModule {
   private val ScopeName = "ScoredTweetsCache"
   private val ProdDestName = "/srv#/prod/local/cache/home_scored_tweets:twemcaches"
   private val StagingDestName = "/srv#/test/local/cache/twemcache_home_scored_tweets:twemcaches"
-  private val cachedScoredTweetsSerializer: Serializer[t.CachedScoredTweets] =
-    new ThriftSerializer[t.CachedScoredTweets](t.CachedScoredTweets, new TCompactProtocol.Factory())
+  private val scoredTweetsSerializer: Serializer[t.ScoredTweetsResponse] =
+    new ThriftSerializer[t.ScoredTweetsResponse](
+      t.ScoredTweetsResponse,
+      new TCompactProtocol.Factory())
   private val userIdKeyTransformer: KeyTransformer[UserId] = (userId: UserId) => userId.toString
 
   @Singleton
@@ -33,7 +34,7 @@ object ScoredTweetsMemcacheModule extends TwitterModule {
   def providesScoredTweetsCache(
     serviceIdentifier: ServiceIdentifier,
     statsReceiver: StatsReceiver
-  ): TtlCache[UserId, t.CachedScoredTweets] = {
+  ): TtlCache[UserId, t.ScoredTweetsResponse] = {
     val destName = serviceIdentifier.environment.toLowerCase match {
       case "prod" => ProdDestName
       case _ => StagingDestName
@@ -41,6 +42,7 @@ object ScoredTweetsMemcacheModule extends TwitterModule {
     val client = MemcachedClientBuilder.buildMemcachedClient(
       destName = destName,
       numTries = 2,
+      numConnections = 1,
       requestTimeout = 200.milliseconds,
       globalTimeout = 400.milliseconds,
       connectTimeout = 100.milliseconds,
@@ -49,17 +51,11 @@ object ScoredTweetsMemcacheModule extends TwitterModule {
       statsReceiver = statsReceiver.scope(ScopeName)
     )
     val underlyingCache = new FinagleMemcache(client)
-    val baseCache: KeyValueTransformingTtlCache[UserId, String, t.CachedScoredTweets, Array[Byte]] =
-      new KeyValueTransformingTtlCache(
-        underlyingCache = underlyingCache,
-        transformer = cachedScoredTweetsSerializer,
-        underlyingKey = userIdKeyTransformer
-      )
-    ObservableTtlCache(
-      underlyingCache = baseCache,
-      statsReceiver = statsReceiver,
-      windowSize = 1000L,
-      name = ScopeName
+
+    new KeyValueTransformingTtlCache(
+      underlyingCache = underlyingCache,
+      transformer = scoredTweetsSerializer,
+      underlyingKey = userIdKeyTransformer
     )
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScribeEventPublisherModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScribeEventPublisherModule.scala
index 9c74fb1c3e..99bf616308 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScribeEventPublisherModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ScribeEventPublisherModule.scala
@@ -2,124 +2,76 @@ package com.twitter.home_mixer.module
 
 import com.google.inject.Provides
 import com.twitter.clientapp.{thriftscala => ca}
-import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeClientEventsFlag
-import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeServedCommonFeaturesAndCandidateFeaturesFlag
-import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeServedEntriesFlag
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.CandidateFeaturesScribeEventPublisher
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.CommonFeaturesScribeEventPublisher
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.MinimumFeaturesScribeEventPublisher
 import com.twitter.inject.TwitterModule
-import com.twitter.inject.annotations.Flag
 import com.twitter.logpipeline.client.EventPublisherManager
 import com.twitter.logpipeline.client.common.EventPublisher
 import com.twitter.logpipeline.client.serializers.EventLogMsgTBinarySerializer
 import com.twitter.logpipeline.client.serializers.EventLogMsgThriftStructSerializer
 import com.twitter.timelines.suggests.common.poly_data_record.{thriftjava => pldr}
 import com.twitter.timelines.timeline_logging.{thriftscala => tl}
-
 import javax.inject.Named
 import javax.inject.Singleton
 
 object ScribeEventPublisherModule extends TwitterModule {
 
-  val InMemoryBufferSize = 10000
   val ClientEventLogCategory = "client_event"
-  val ServedEntriesLogCategory = "home_timeline_served_entries"
+  val ServedCandidatesLogCategory = "home_timeline_served_candidates_flattened"
+  val ScoredCandidatesLogCategory = "home_timeline_scored_candidates"
   val ServedCommonFeaturesLogCategory = "tq_served_common_features_offline"
   val ServedCandidateFeaturesLogCategory = "tq_served_candidate_features_offline"
   val ServedMinimumFeaturesLogCategory = "tq_served_minimum_features_offline"
 
   @Provides
   @Singleton
-  def providesClientEventsScribeEventPublisher(
-    @Flag(ScribeClientEventsFlag) sendToScribe: Boolean
-  ): EventPublisher[ca.LogEvent] = {
+  def providesClientEventsScribeEventPublisher: EventPublisher[ca.LogEvent] = {
     val serializer = EventLogMsgThriftStructSerializer.getNewSerializer[ca.LogEvent]()
-
-    if (sendToScribe)
-      EventPublisherManager.buildScribeLogPipelinePublisher(ClientEventLogCategory, serializer)
-    else
-      EventPublisherManager.buildInMemoryPublisher(
-        ClientEventLogCategory,
-        serializer,
-        InMemoryBufferSize
-      )
+    EventPublisherManager.buildScribeLogPipelinePublisher(ClientEventLogCategory, serializer)
   }
 
   @Provides
   @Singleton
   @Named(CommonFeaturesScribeEventPublisher)
-  def providesCommonFeaturesScribeEventPublisher(
-    @Flag(ScribeServedCommonFeaturesAndCandidateFeaturesFlag) sendToScribe: Boolean
-  ): EventPublisher[pldr.PolyDataRecord] = {
+  def providesCommonFeaturesScribeEventPublisher: EventPublisher[pldr.PolyDataRecord] = {
     val serializer = EventLogMsgTBinarySerializer.getNewSerializer
-
-    if (sendToScribe)
-      EventPublisherManager.buildScribeLogPipelinePublisher(
-        ServedCommonFeaturesLogCategory,
-        serializer)
-    else
-      EventPublisherManager.buildInMemoryPublisher(
-        ServedCommonFeaturesLogCategory,
-        serializer,
-        InMemoryBufferSize
-      )
+    EventPublisherManager.buildScribeLogPipelinePublisher(
+      ServedCommonFeaturesLogCategory,
+      serializer)
   }
 
   @Provides
   @Singleton
   @Named(CandidateFeaturesScribeEventPublisher)
-  def providesCandidateFeaturesScribeEventPublisher(
-    @Flag(ScribeServedCommonFeaturesAndCandidateFeaturesFlag) sendToScribe: Boolean
-  ): EventPublisher[pldr.PolyDataRecord] = {
+  def providesCandidateFeaturesScribeEventPublisher: EventPublisher[pldr.PolyDataRecord] = {
     val serializer = EventLogMsgTBinarySerializer.getNewSerializer
-
-    if (sendToScribe)
-      EventPublisherManager.buildScribeLogPipelinePublisher(
-        ServedCandidateFeaturesLogCategory,
-        serializer)
-    else
-      EventPublisherManager.buildInMemoryPublisher(
-        ServedCandidateFeaturesLogCategory,
-        serializer,
-        InMemoryBufferSize
-      )
+    EventPublisherManager.buildScribeLogPipelinePublisher(
+      ServedCandidateFeaturesLogCategory,
+      serializer)
   }
 
   @Provides
   @Singleton
   @Named(MinimumFeaturesScribeEventPublisher)
-  def providesMinimumFeaturesScribeEventPublisher(
-    @Flag(ScribeServedCommonFeaturesAndCandidateFeaturesFlag) sendToScribe: Boolean
-  ): EventPublisher[pldr.PolyDataRecord] = {
+  def providesMinimumFeaturesScribeEventPublisher: EventPublisher[pldr.PolyDataRecord] = {
     val serializer = EventLogMsgTBinarySerializer.getNewSerializer
-
-    if (sendToScribe)
-      EventPublisherManager.buildScribeLogPipelinePublisher(
-        ServedMinimumFeaturesLogCategory,
-        serializer)
-    else
-      EventPublisherManager.buildInMemoryPublisher(
-        ServedMinimumFeaturesLogCategory,
-        serializer,
-        InMemoryBufferSize
-      )
+    EventPublisherManager.buildScribeLogPipelinePublisher(
+      ServedMinimumFeaturesLogCategory,
+      serializer)
   }
 
   @Provides
   @Singleton
-  def providesServedEntriesScribeEventPublisher(
-    @Flag(ScribeServedEntriesFlag) sendToScribe: Boolean
-  ): EventPublisher[tl.Timeline] = {
-    val serializer = EventLogMsgThriftStructSerializer.getNewSerializer[tl.Timeline]()
+  def providesServedCandidatesScribeEventPublisher: EventPublisher[tl.ServedEntry] = {
+    val serializer = EventLogMsgThriftStructSerializer.getNewSerializer[tl.ServedEntry]()
+    EventPublisherManager.buildScribeLogPipelinePublisher(ServedCandidatesLogCategory, serializer)
+  }
 
-    if (sendToScribe)
-      EventPublisherManager.buildScribeLogPipelinePublisher(ServedEntriesLogCategory, serializer)
-    else
-      EventPublisherManager.buildInMemoryPublisher(
-        ServedEntriesLogCategory,
-        serializer,
-        InMemoryBufferSize
-      )
+  @Provides
+  @Singleton
+  def provideScoredCandidatesScribeEventPublisher: EventPublisher[tl.ScoredCandidate] = {
+    val serializer = EventLogMsgThriftStructSerializer.getNewSerializer[tl.ScoredCandidate]()
+    EventPublisherManager.buildScribeLogPipelinePublisher(ScoredCandidatesLogCategory, serializer)
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/StaleTweetsCacheModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/StaleTweetsCacheModule.scala
index 070de320a3..301dc51c2d 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/StaleTweetsCacheModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/StaleTweetsCacheModule.scala
@@ -24,6 +24,7 @@ object StaleTweetsCacheModule extends TwitterModule {
     MemcachedClientBuilder.buildMemcachedClient(
       destName = "/srv#/prod/local/cache/staletweetscache:twemcaches",
       numTries = 3,
+      numConnections = 1,
       requestTimeout = 200.milliseconds,
       globalTimeout = 500.milliseconds,
       connectTimeout = 200.milliseconds,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ThriftFeatureRepositoryModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ThriftFeatureRepositoryModule.scala
index 5a2a8701a3..dcbf62451e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ThriftFeatureRepositoryModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/ThriftFeatureRepositoryModule.scala
@@ -69,8 +69,8 @@ object ThriftFeatureRepositoryModule extends TwitterModule {
         label = "interests",
         statsReceiver = statsReceiver,
         idempotency = Idempotent(1.percent),
-        timeoutPerRequest = 100.milliseconds,
-        timeoutTotal = 100.milliseconds
+        timeoutPerRequest = 350.milliseconds,
+        timeoutTotal = 350.milliseconds
       )
   }
 
@@ -166,8 +166,8 @@ object ThriftFeatureRepositoryModule extends TwitterModule {
         label = "tweetypie-content-repo",
         statsReceiver = statsReceiver,
         idempotency = Idempotent(1.percent),
-        timeoutPerRequest = 150.milliseconds,
-        timeoutTotal = 250.milliseconds
+        timeoutPerRequest = 300.milliseconds,
+        timeoutTotal = 500.milliseconds
       )
 
     def lookup(tweetIds: Seq[Long]): Future[Seq[Option[tp.Tweet]]] = {
@@ -176,15 +176,12 @@ object ThriftFeatureRepositoryModule extends TwitterModule {
         includeRetweetedTweet = false,
         includeQuotedTweet = false,
         forUserId = None,
-        // Service needs to be whitelisted
-        // We rely on the VF at the end of serving. No need to filter now.
         safetyLevel = Some(sp.SafetyLevel.FilterNone),
         visibilityPolicy = tp.TweetVisibilityPolicy.NoFiltering
       )
-      val request = tp.GetTweetFieldsRequest(
-        tweetIds = tweetIds,
-        options = getTweetFieldsOptions
-      )
+
+      val request = tp.GetTweetFieldsRequest(tweetIds = tweetIds, options = getTweetFieldsOptions)
+
       client.getTweetFields(request).map { results =>
         results.map {
           case tp.GetTweetFieldsResult(_, tp.TweetFieldsResultState.Found(found), _, _) =>
@@ -196,16 +193,17 @@ object ThriftFeatureRepositoryModule extends TwitterModule {
 
     val keyValueRepository = toRepositoryBatch(lookup, chunkSize = 20)
 
-    // Cache
     val cacheClient = MemcachedClientBuilder.buildRawMemcachedClient(
       numTries = 1,
-      requestTimeout = 100.milliseconds,
-      globalTimeout = 100.milliseconds,
+      numConnections = 1,
+      requestTimeout = 200.milliseconds,
+      globalTimeout = 200.milliseconds,
       connectTimeout = 200.milliseconds,
       acquisitionTimeout = 200.milliseconds,
       serviceIdentifier = serviceIdentifier,
       statsReceiver = statsReceiver
     )
+
     val finagleMemcacheFactory =
       FinagleMemcacheFactory(cacheClient, "/s/cache/home_content_features:twemcaches")
     val cacheValueTransformer =
@@ -281,10 +279,12 @@ object ThriftFeatureRepositoryModule extends TwitterModule {
       tweetIds: Seq[Long],
       viewerId: Long
     ): Future[Seq[Option[eb.ThriftSearchResult]]] = {
-      val request = EarlybirdRequestUtil.getTweetsEBFeaturesRequest(
+      val request = EarlybirdRequestUtil.getTweetsFeaturesRequest(
         userId = Some(viewerId),
         tweetIds = Some(tweetIds),
-        clientId = Some(clientId.name)
+        clientId = Some(clientId.name),
+        authorScoreMap = None,
+        tensorflowModel = Some("timelines_rectweet_replica")
       )
 
       client
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TimelinesPersistenceStoreClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TimelinesPersistenceStoreClientModule.scala
index 4292b36bec..4af39fd32b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TimelinesPersistenceStoreClientModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TimelinesPersistenceStoreClientModule.scala
@@ -5,34 +5,40 @@ import com.twitter.conversions.DurationOps._
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.inject.TwitterModule
+import com.twitter.inject.annotations.Flag
 import com.twitter.timelinemixer.clients.persistence.TimelinePersistenceManhattanClientBuilder
 import com.twitter.timelinemixer.clients.persistence.TimelinePersistenceManhattanClientConfig
 import com.twitter.timelinemixer.clients.persistence.TimelineResponseBatchesClient
 import com.twitter.timelinemixer.clients.persistence.TimelineResponseV3
+import com.twitter.util.Duration
 import javax.inject.Singleton
 
 object TimelinesPersistenceStoreClientModule extends TwitterModule {
   private val StagingDataset = "timeline_response_batches_v5_nonprod"
   private val ProdDataset = "timeline_response_batches_v5"
+  private final val Timeout = "mh_persistence_store.timeout"
+
+  flag[Duration](Timeout, 300.millis, "Timeout per request")
 
   @Provides
   @Singleton
   def providesTimelinesPersistenceStoreClient(
+    @Flag(Timeout) timeout: Duration,
     injectedServiceIdentifier: ServiceIdentifier,
     statsReceiver: StatsReceiver
   ): TimelineResponseBatchesClient[TimelineResponseV3] = {
-    val (timelineResponseBatchesDataset, manhattanReadOnly) =
+    val timelineResponseBatchesDataset =
       injectedServiceIdentifier.environment.toLowerCase match {
-        case "prod" => (ProdDataset, false)
-        case _ => (StagingDataset, true)
+        case "prod" => ProdDataset
+        case _ => StagingDataset
       }
 
     val timelineResponseBatchesConfig = new TimelinePersistenceManhattanClientConfig {
       val dataset = timelineResponseBatchesDataset
-      val isReadOnly = manhattanReadOnly
+      val isReadOnly = false
       val serviceIdentifier = injectedServiceIdentifier
-      override val defaultMaxTimeout = 300.milliseconds
-      override val maxRetryCount = 1
+      override val defaultMaxTimeout = timeout
+      override val maxRetryCount = 2
     }
 
     TimelinePersistenceManhattanClientBuilder.buildTimelineResponseV3BatchesClient(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TopicSocialProofClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TopicSocialProofClientModule.scala
new file mode 100644
index 0000000000..9333e0f842
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TopicSocialProofClientModule.scala
@@ -0,0 +1,22 @@
+package com.twitter.home_mixer.module
+
+import com.google.inject.Provides
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.param.HomeMixerInjectionNames.BatchedStratoClientWithModerateTimeout
+import com.twitter.inject.TwitterModule
+import com.twitter.strato.client.Client
+import com.twitter.timelines.clients.strato.topics.TopicSocialProofClient
+import com.twitter.timelines.clients.strato.topics.TopicSocialProofClientImpl
+import javax.inject.Named
+import javax.inject.Singleton
+
+object TopicSocialProofClientModule extends TwitterModule {
+
+  @Singleton
+  @Provides
+  def providesSimilarityClient(
+    @Named(BatchedStratoClientWithModerateTimeout)
+    stratoClient: Client,
+    statsReceiver: StatsReceiver
+  ): TopicSocialProofClient = new TopicSocialProofClientImpl(stratoClient, statsReceiver)
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetyPieClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetyPieClientModule.scala
index 84b634cc3e..1eb49206cc 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetyPieClientModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetyPieClientModule.scala
@@ -7,6 +7,7 @@ import com.twitter.finagle.thrift.ClientId
 import com.twitter.finagle.thriftmux.MethodBuilder
 import com.twitter.finatra.mtls.thriftmux.modules.MtlsClient
 import com.twitter.inject.Injector
+import com.twitter.inject.annotations.Flags
 import com.twitter.inject.thrift.modules.ThriftMethodBuilderClientModule
 import com.twitter.stitch.tweetypie.TweetyPie
 import com.twitter.tweetypie.thriftscala.TweetService
@@ -14,14 +15,21 @@ import com.twitter.util.Duration
 import javax.inject.Singleton
 
 /**
- * Idempotent TweetyPie Thrift and Stitch client.
+ * Idempotent Tweetypie Thrift and Stitch client.
  */
-object TweetyPieClientModule
+object TweetypieClientModule
     extends ThriftMethodBuilderClientModule[
       TweetService.ServicePerEndpoint,
       TweetService.MethodPerEndpoint
     ]
     with MtlsClient {
+
+  private val TimeoutRequest = "tweetypie.timeout_request"
+  private val TimeoutTotal = "tweetypie.timeout_total"
+
+  flag[Duration](TimeoutRequest, 1000.millis, "Timeout per request")
+  flag[Duration](TimeoutTotal, 1000.millis, "Total timeout")
+
   override val label: String = "tweetypie"
   override val dest: String = "/s/tweetypie/tweetypie"
 
@@ -42,10 +50,14 @@ object TweetyPieClientModule
   override protected def configureMethodBuilder(
     injector: Injector,
     methodBuilder: MethodBuilder
-  ): MethodBuilder =
-    methodBuilder
-      .withTimeoutPerRequest(500.milliseconds)
-      .withTimeoutTotal(500.milliseconds)
+  ): MethodBuilder = {
+    val timeoutRequest = injector.instance[Duration](Flags.named(TimeoutRequest))
+    val timeoutTotal = injector.instance[Duration](Flags.named(TimeoutTotal))
 
-  override protected def sessionAcquisitionTimeout: Duration = 250.milliseconds
+    methodBuilder
+      .withTimeoutPerRequest(timeoutRequest)
+      .withTimeoutTotal(timeoutTotal)
+  }
+
+  override protected def sessionAcquisitionTimeout: Duration = 500.millis
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetypieStaticEntitiesCacheClientModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetypieStaticEntitiesCacheClientModule.scala
index 2d0d5e08b6..13283e4b3f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetypieStaticEntitiesCacheClientModule.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/TweetypieStaticEntitiesCacheClientModule.scala
@@ -39,6 +39,7 @@ object TweetypieStaticEntitiesCacheClientModule extends TwitterModule {
     val memCacheClient = MemcachedClientBuilder.buildMemcachedClient(
       destName = ProdDest,
       numTries = 1,
+      numConnections = 1,
       requestTimeout = 50.milliseconds,
       globalTimeout = 100.milliseconds,
       connectTimeout = 100.milliseconds,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/UserMetadataStoreModule.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/UserMetadataStoreModule.scala
deleted file mode 100644
index 7a450ac81b..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/module/UserMetadataStoreModule.scala
+++ /dev/null
@@ -1,26 +0,0 @@
-package com.twitter.home_mixer.module
-
-import com.google.inject.Provides
-import com.google.inject.name.Named
-import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.param.HomeMixerInjectionNames.UserMetadataManhattanEndpoint
-import com.twitter.home_mixer.param.HomeMixerInjectionNames.UserLanguagesStore
-import com.twitter.home_mixer.store.UserLanguagesStore
-import com.twitter.inject.TwitterModule
-import com.twitter.search.common.constants.{thriftscala => scc}
-import com.twitter.storage.client.manhattan.kv.ManhattanKVEndpoint
-import com.twitter.storehaus.ReadableStore
-import javax.inject.Singleton
-
-object UserMetadataStoreModule extends TwitterModule {
-
-  @Provides
-  @Singleton
-  @Named(UserLanguagesStore)
-  def providesUserLanguagesFeaturesStore(
-    @Named(UserMetadataManhattanEndpoint) UserMetadataManhattanKVEndpoint: ManhattanKVEndpoint,
-    statsReceiver: StatsReceiver
-  ): ReadableStore[Long, Seq[scc.ThriftLanguage]] = {
-    new UserLanguagesStore(UserMetadataManhattanKVEndpoint, statsReceiver)
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParamConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParamConfig.scala
index a998aa9ca3..6fbd28fcef 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParamConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParamConfig.scala
@@ -14,14 +14,13 @@ class HomeGlobalParamConfig @Inject() () extends GlobalParamConfig {
 
   override val booleanFSOverrides = Seq(
     AdsDisableInjectionBasedOnUserRoleParam,
-    EnableSendScoresToClient,
+    EnableAdvertiserBrandSafetySettingsFeatureHydratorParam,
+    EnableImpressionBloomFilter,
     EnableNahFeedbackInfoParam,
     EnableNewTweetsPillAvatarsParam,
-    EnableServedCandidateKafkaPublishingParam,
+    EnableScribeServedCandidatesParam,
+    EnableSendScoresToClient,
     EnableSocialContextParam,
-    EnableGizmoduckAuthorSafetyFeatureHydratorParam,
-    EnableAdvertiserBrandSafetySettingsFeatureHydratorParam,
-    EnableFeedbackFatigueParam
   )
 
   override val boundedIntFSOverrides = Seq(
@@ -30,11 +29,6 @@ class HomeGlobalParamConfig @Inject() () extends GlobalParamConfig {
   )
 
   override val boundedDoubleFSOverrides = Seq(
-    BlueVerifiedAuthorInNetworkMultiplierParam,
-    BlueVerifiedAuthorOutOfNetworkMultiplierParam
-  )
-
-  override val longSetFSOverrides = Seq(
-    AuthorListForStatsParam
+    ImpressionBloomFilterFalsePositiveRateParam
   )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParams.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParams.scala
index 0bd5dd1f06..f19817bc97 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParams.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeGlobalParams.scala
@@ -52,59 +52,35 @@ object HomeGlobalParams {
         default = true
       )
 
-  object EnableServedCandidateKafkaPublishingParam
-      extends FSParam[Boolean](
-        name = "home_mixer_enable_served_candidate_kafka_publishing",
-        default = true
-      )
-
-  /**
-   * This author ID list is used purely for realtime metrics collection around how often we
-   * are serving Tweets from these authors and which candidate sources they are coming from.
-   */
-  object AuthorListForStatsParam
-      extends FSParam[Set[Long]](
-        name = "home_mixer_author_list_for_stats",
-        default = Set.empty
-      )
-
   object EnableSocialContextParam
       extends FSParam[Boolean](
         name = "home_mixer_enable_social_context",
-        default = false
-      )
-
-  object EnableGizmoduckAuthorSafetyFeatureHydratorParam
-      extends FSParam[Boolean](
-        name = "home_mixer_enable_gizmoduck_author_safety_feature_hydrator",
         default = true
       )
 
-  object EnableFeedbackFatigueParam
-      extends FSParam[Boolean](
-        name = "home_mixer_enable_feedback_fatigue",
-        default = true
-      )
-
-  object BlueVerifiedAuthorInNetworkMultiplierParam
-      extends FSBoundedParam[Double](
-        name = "home_mixer_blue_verified_author_in_network_multiplier",
-        default = 4.0,
-        min = 0.0,
-        max = 100.0
-      )
-
-  object BlueVerifiedAuthorOutOfNetworkMultiplierParam
-      extends FSBoundedParam[Double](
-        name = "home_mixer_blue_verified_author_out_of_network_multiplier",
-        default = 2.0,
-        min = 0.0,
-        max = 100.0
-      )
-
   object EnableAdvertiserBrandSafetySettingsFeatureHydratorParam
       extends FSParam[Boolean](
         name = "home_mixer_enable_advertiser_brand_safety_settings_feature_hydrator",
         default = true
       )
+
+  object EnableImpressionBloomFilter
+      extends FSParam[Boolean](
+        name = "home_mixer_enable_impression_bloom_filter",
+        default = false
+      )
+
+  object ImpressionBloomFilterFalsePositiveRateParam
+      extends FSBoundedParam[Double](
+        name = "home_mixer_impression_bloom_filter_false_positive_rate",
+        default = 0.005,
+        min = 0.001,
+        max = 0.01
+      )
+
+  object EnableScribeServedCandidatesParam
+      extends FSParam[Boolean](
+        name = "home_mixer_served_tweets_enable_scribing",
+        default = true
+      )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerFlagName.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerFlagName.scala
index afe23c35a9..dc5f5513f7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerFlagName.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerFlagName.scala
@@ -2,7 +2,8 @@ package com.twitter.home_mixer.param
 
 object HomeMixerFlagName {
   final val ScribeClientEventsFlag = "scribe.client_events"
-  final val ScribeServedEntriesFlag = "scribe.served_entries"
+  final val ScribeServedCandidatesFlag = "scribe.served_candidates"
+  final val ScribeScoredCandidatesFlag = "scribe.scored_candidates"
   final val ScribeServedCommonFeaturesAndCandidateFeaturesFlag =
     "scribe.served_common_features_and_candidate_features"
   final val DataRecordMetadataStoreConfigsYmlFlag = "data.record.metadata.store.configs.yml"
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerInjectionNames.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerInjectionNames.scala
index 739c48a770..5ea87f5ab5 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerInjectionNames.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/HomeMixerInjectionNames.scala
@@ -32,18 +32,15 @@ object HomeMixerInjectionNames {
   final val TweetEngagementCache = "TweetEngagementCache"
   final val TweetypieContentRepository = "TweetypieContentRepository"
   final val TweetypieStaticEntitiesCache = "TweetypieStaticEntitiesCache"
-  final val TwhinAuthorFollow20200101FeatureCacheClient =
-    "TwhinAuthorFollow20200101FeatureCacheClient"
-  final val TwhinAuthorFollow20200101FeatureRepository =
-    "TwhinAuthorFollow20200101FeatureRepository"
+  final val TwhinAuthorFollowFeatureCacheClient = "TwhinAuthorFollowFeatureCacheClient"
+  final val TwhinAuthorFollowFeatureRepository = "TwhinAuthorFollowFeatureRepository"
   final val TwhinUserEngagementFeatureRepository = "TwhinUserEngagementFeatureRepository"
   final val TwhinUserFollowFeatureRepository = "TwhinUserFollowFeatureRepository"
   final val TwitterListEngagementCache = "TwitterListEngagementCache"
   final val UserAuthorEngagementCache = "UserAuthorEngagementCache"
   final val UserEngagementCache = "UserEngagementCache"
   final val UserFollowedTopicIdsRepository = "UserFollowedTopicIdsRepository"
-  final val UserLanguagesStore = "UserLanguagesStore"
-  final val UserMetadataManhattanEndpoint = "UserMetadataManhattanEndpoint"
+  final val UserLanguagesRepository = "UserLanguagesRepository"
   final val UserTopicEngagementForNewUserCache = "UserTopicEngagementForNewUserCache"
   final val UtegSocialProofRepository = "UtegSocialProofRepository"
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/decider/DeciderKey.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/decider/DeciderKey.scala
index b81ea760a6..91f7646d93 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/decider/DeciderKey.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/param/decider/DeciderKey.scala
@@ -20,21 +20,33 @@ object DeciderKey extends DeciderKeyEnum {
 
   val EnableListRecommendedUsersProduct = Value("enable_list_recommended_users_product")
 
+  val EnableSubscribedProduct = Value("enable_subscribed_product")
+
   // Candidate Pipelines
-  val EnableForYouScoredTweetsCandidatePipeline = Value(
-    "enable_for_you_scored_tweets_candidate_pipeline")
+  val EnableForYouScoredTweetsCandidatePipeline =
+    Value("enable_for_you_scored_tweets_candidate_pipeline")
 
-  val EnableScoredTweetsCrMixerCandidatePipeline = Value(
-    "enable_scored_tweets_cr_mixer_candidate_pipeline")
+  val EnableScoredTweetsTweetMixerCandidatePipeline =
+    Value("enable_scored_tweets_tweet_mixer_candidate_pipeline")
 
-  val EnableScoredTweetsFrsCandidatePipeline = Value("enable_scored_tweets_frs_candidate_pipeline")
+  val EnableScoredTweetsInNetworkCandidatePipeline =
+    Value("enable_scored_tweets_in_network_candidate_pipeline")
 
-  val EnableScoredTweetsInNetworkCandidatePipeline = Value(
-    "enable_scored_tweets_in_network_candidate_pipeline")
+  val EnableScoredTweetsUtegCandidatePipeline =
+    Value("enable_scored_tweets_uteg_candidate_pipeline")
 
-  val EnableScoredTweetsUtegCandidatePipeline = Value(
-    "enable_scored_tweets_uteg_candidate_pipeline")
+  val EnableScoredTweetsFrsCandidatePipeline =
+    Value("enable_scored_tweets_frs_candidate_pipeline")
 
-  val EnableSimClustersSimilarityFeatureHydration = Value(
-    "enable_simclusters_similarity_feature_hydration")
+  val EnableScoredTweetsListsCandidatePipeline =
+    Value("enable_scored_tweets_lists_candidate_pipeline")
+
+  val EnableScoredTweetsPopularVideosCandidatePipeline =
+    Value("enable_scored_tweets_popular_videos_candidate_pipeline")
+
+  val EnableScoredTweetsBackfillCandidatePipeline =
+    Value("enable_scored_tweets_backfill_candidate_pipeline")
+
+  val EnableSimClustersSimilarityFeatureHydration =
+    Value("enable_simclusters_similarity_feature_hydration")
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/BUILD.bazel
index b59b7d9a3e..e4fa669d27 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/BUILD.bazel
@@ -17,6 +17,8 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/query/ads",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/HomeProductPipelineRegistryConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/HomeProductPipelineRegistryConfig.scala
index 2131433511..5db4bd7f60 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/HomeProductPipelineRegistryConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/HomeProductPipelineRegistryConfig.scala
@@ -5,15 +5,16 @@ import com.twitter.home_mixer.model.request.ForYouProduct
 import com.twitter.home_mixer.model.request.ListRecommendedUsersProduct
 import com.twitter.home_mixer.model.request.ListTweetsProduct
 import com.twitter.home_mixer.model.request.ScoredTweetsProduct
+import com.twitter.home_mixer.model.request.SubscribedProduct
 import com.twitter.home_mixer.product.following.FollowingProductPipelineConfig
 import com.twitter.home_mixer.product.for_you.ForYouProductPipelineConfig
 import com.twitter.home_mixer.product.list_recommended_users.ListRecommendedUsersProductPipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.ScoredTweetsProductPipelineConfig
 import com.twitter.home_mixer.product.list_tweets.ListTweetsProductPipelineConfig
+import com.twitter.home_mixer.product.subscribed.SubscribedProductPipelineConfig
 import com.twitter.inject.Injector
 import com.twitter.product_mixer.core.product.guice.ProductScope
 import com.twitter.product_mixer.core.product.registry.ProductPipelineRegistryConfig
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -44,11 +45,16 @@ class HomeProductPipelineRegistryConfig @Inject() (
       injector.instance[ListRecommendedUsersProductPipelineConfig]
     }
 
+  private val subscribedProductPipelineConfig = productScope.let(SubscribedProduct) {
+    injector.instance[SubscribedProductPipelineConfig]
+  }
+
   override val productPipelineConfigs = Seq(
     followingProductPipelineConfig,
     forYouProductPipelineConfig,
     scoredTweetsProductPipelineConfig,
     listTweetsProductPipelineConfig,
-    listRecommendedUsersProductPipelineConfig
+    listRecommendedUsersProductPipelineConfig,
+    subscribedProductPipelineConfig,
   )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/BUILD.bazel
index 3d3273daff..4771fe655e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/BUILD.bazel
@@ -30,12 +30,14 @@ scala_library(
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/account_recommendations_mixer",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/hermit",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/people_discovery",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/tweetconvosvc",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/param_gated",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/async",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/impressed_tweets",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/param_gated",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
@@ -81,9 +83,7 @@ scala_library(
         "stitch/stitch-tweetypie",
         "stringcenter/client",
         "stringcenter/client/src/main/java",
-        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/manhattan",
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
         "timelines/src/main/scala/com/twitter/timelines/clients/relevance_search",
         "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingAdsCandidatePipelineBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingAdsCandidatePipelineBuilder.scala
index 77477652fc..d4898eb31c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingAdsCandidatePipelineBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingAdsCandidatePipelineBuilder.scala
@@ -1,8 +1,10 @@
 package com.twitter.home_mixer.product.following
 
 import com.twitter.adserver.{thriftscala => ads}
-import com.twitter.home_mixer.functional_component.decorator.HomeAdsClientEventDetailsBuilder
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeAdsClientEventDetailsBuilder
 import com.twitter.home_mixer.functional_component.gate.ExcludeSoftUserGate
+import com.twitter.home_mixer.model.HomeFeatures.TweetLanguageFeature
+import com.twitter.home_mixer.model.HomeFeatures.TweetTextFeature
 import com.twitter.home_mixer.param.HomeGlobalParams
 import com.twitter.home_mixer.param.HomeGlobalParams.EnableAdvertiserBrandSafetySettingsFeatureHydratorParam
 import com.twitter.home_mixer.product.following.model.FollowingQuery
@@ -21,7 +23,7 @@ import com.twitter.product_mixer.component_library.model.candidate.ads.AdsCandid
 import com.twitter.product_mixer.component_library.pipeline.candidate.ads.AdsDependentCandidatePipelineConfig
 import com.twitter.product_mixer.component_library.pipeline.candidate.ads.AdsDependentCandidatePipelineConfigBuilder
 import com.twitter.product_mixer.component_library.pipeline.candidate.ads.CountCandidatesFromPipelines
-import com.twitter.product_mixer.component_library.pipeline.candidate.ads.PipelineScopedOrganicItemIds
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.PipelineScopedOrganicItems
 import com.twitter.product_mixer.component_library.pipeline.candidate.ads.ValidAdImpressionIdFilter
 import com.twitter.product_mixer.core.functional_component.common.CandidateScope
 import com.twitter.product_mixer.core.gate.ParamNotGate
@@ -77,7 +79,11 @@ class FollowingAdsCandidatePipelineBuilder @Inject() (
       adsDisplayLocationBuilder = query =>
         if (query.params.getBoolean(EnableFastAds)) ads.DisplayLocation.TimelineHomeReverseChron
         else ads.DisplayLocation.TimelineHome,
-      getOrganicItemIds = PipelineScopedOrganicItemIds(organicCandidatePipelines),
+      getOrganicItems = PipelineScopedOrganicItems(
+        pipelines = organicCandidatePipelines,
+        textFeature = TweetTextFeature,
+        languageFeature = TweetLanguageFeature
+      ),
       countNumOrganicItems = CountCandidatesFromPipelines(organicCandidatePipelines),
       supportedClientParam = Some(EnableAdsCandidatePipelineParam),
       gates = Seq(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdCandidatePipelineConfig.scala
index ea26ca19e7..addb298c29 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdCandidatePipelineConfig.scala
@@ -2,9 +2,9 @@ package com.twitter.home_mixer.product.following
 
 import com.twitter.home_mixer.candidate_pipeline.FollowingEarlybirdResponseFeatureTransformer
 import com.twitter.home_mixer.functional_component.candidate_source.EarlybirdCandidateSource
-import com.twitter.home_mixer.functional_component.feature_hydrator.SGSFollowedUsersFeature
-import com.twitter.home_mixer.functional_component.gate.NonEmptySeqFeatureGate
 import com.twitter.home_mixer.product.following.model.FollowingQuery
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersFeature
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
 import com.twitter.product_mixer.core.functional_component.gate.Gate
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdQueryTransformer.scala
index 9f7dd306eb..c388cfa921 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdQueryTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingEarlybirdQueryTransformer.scala
@@ -2,10 +2,10 @@ package com.twitter.home_mixer.product.following
 
 import com.twitter.finagle.thrift.ClientId
 import com.twitter.finagle.tracing.Trace
-import com.twitter.home_mixer.functional_component.feature_hydrator.SGSFollowedUsersFeature
 import com.twitter.home_mixer.model.HomeFeatures.RealGraphInNetworkScoresFeature
 import com.twitter.home_mixer.product.following.model.FollowingQuery
 import com.twitter.home_mixer.product.following.param.FollowingParam.ServerMaxResultsParam
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersFeature
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
 import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.BottomCursor
 import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.GapCursor
@@ -30,7 +30,7 @@ case class FollowingEarlybirdQueryTransformer @Inject() (clientId: ClientId)
     val realGraphInNetworkFollowedUserIds =
       query.features.map(_.get(RealGraphInNetworkScoresFeature)).getOrElse(Map.empty).keySet
     val userId = query.getRequiredUserId
-    val combinedUserIds = userId +: (followedUserIds ++ realGraphInNetworkFollowedUserIds).toSeq
+    val combinedUserIds = userId +: followedUserIds.toSeq
 
     val baseFollowedUsersSearchOperator = new SearchOperator.Builder()
       .setType(SearchOperator.Type.FEATURE_VALUE_IN_ACCEPT_LIST_OR_UNSET)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingMixerPipelineConfig.scala
index 23b4164a5a..efda035959 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingMixerPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingMixerPipelineConfig.scala
@@ -6,14 +6,17 @@ import com.twitter.home_mixer.candidate_pipeline.ConversationServiceCandidatePip
 import com.twitter.home_mixer.candidate_pipeline.EditedTweetsCandidatePipelineConfig
 import com.twitter.home_mixer.candidate_pipeline.NewTweetsPillCandidatePipelineConfig
 import com.twitter.home_mixer.functional_component.decorator.HomeConversationServiceCandidateDecorator
-import com.twitter.home_mixer.functional_component.decorator.HomeFeedbackActionInfoBuilder
 import com.twitter.home_mixer.functional_component.decorator.urt.builder.AddEntriesWithReplaceAndShowAlertAndCoverInstructionBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
 import com.twitter.home_mixer.functional_component.feature_hydrator._
 import com.twitter.home_mixer.functional_component.selector.UpdateHomeClientEventDetails
 import com.twitter.home_mixer.functional_component.selector.UpdateNewTweetsPillDecoration
 import com.twitter.home_mixer.functional_component.side_effect._
 import com.twitter.home_mixer.model.GapIncludeInstruction
+import com.twitter.home_mixer.param.HomeGlobalParams.EnableImpressionBloomFilter
 import com.twitter.home_mixer.param.HomeGlobalParams.MaxNumberReplaceInstructionsParam
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeClientEventsFlag
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersQueryFeatureHydrator
 import com.twitter.home_mixer.product.following.model.FollowingQuery
 import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
 import com.twitter.home_mixer.product.following.param.FollowingParam.EnableFlipInjectionModuleCandidatePipelineParam
@@ -21,8 +24,11 @@ import com.twitter.home_mixer.product.following.param.FollowingParam.FlipInlineI
 import com.twitter.home_mixer.product.following.param.FollowingParam.ServerMaxResultsParam
 import com.twitter.home_mixer.product.following.param.FollowingParam.WhoToFollowPositionParam
 import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.inject.annotations.Flag
 import com.twitter.logpipeline.client.common.EventPublisher
 import com.twitter.product_mixer.component_library.feature_hydrator.query.async.AsyncQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.impressed_tweets.ImpressedTweetsQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.param_gated.AsyncParamGatedQueryFeatureHydrator
 import com.twitter.product_mixer.component_library.gate.NonEmptyCandidatesGate
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.component_library.pipeline.candidate.flexible_injection_pipeline.FlipPromptDependentCandidatePipelineConfigBuilder
@@ -81,7 +87,7 @@ class FollowingMixerPipelineConfig @Inject() (
   ],
   homeFeedbackActionInfoBuilder: HomeFeedbackActionInfoBuilder,
   followingAdsCandidatePipelineBuilder: FollowingAdsCandidatePipelineBuilder,
-  followingWhoToFollowArmCandidatePipelineConfigBuilder: FollowingWhoToFollowArmCandidatePipelineConfigBuilder,
+  followingWhoToFollowCandidatePipelineConfigBuilder: FollowingWhoToFollowCandidatePipelineConfigBuilder,
   flipPromptDependentCandidatePipelineConfigBuilder: FlipPromptDependentCandidatePipelineConfigBuilder,
   editedTweetsCandidatePipelineConfig: EditedTweetsCandidatePipelineConfig,
   newTweetsPillCandidatePipelineConfig: NewTweetsPillCandidatePipelineConfig[FollowingQuery],
@@ -91,19 +97,27 @@ class FollowingMixerPipelineConfig @Inject() (
   realGraphInNetworkSourceQueryHydrator: RealGraphInNetworkScoresQueryFeatureHydrator,
   requestQueryFeatureHydrator: RequestQueryFeatureHydrator[FollowingQuery],
   sgsFollowedUsersQueryFeatureHydrator: SGSFollowedUsersQueryFeatureHydrator,
-  tweetImpressionsQueryFeatureHydrator: TweetImpressionsQueryFeatureHydrator[FollowingQuery],
+  impressionBloomFilterQueryFeatureHydrator: ImpressionBloomFilterQueryFeatureHydrator[
+    FollowingQuery
+  ],
+  manhattanTweetImpressionsQueryFeatureHydrator: TweetImpressionsQueryFeatureHydrator[
+    FollowingQuery
+  ],
+  memcacheTweetImpressionsQueryFeatureHydrator: ImpressedTweetsQueryFeatureHydrator,
   lastNonPollingTimeQueryFeatureHydrator: LastNonPollingTimeQueryFeatureHydrator,
   adsInjector: AdsInjector,
   updateLastNonPollingTimeSideEffect: UpdateLastNonPollingTimeSideEffect[FollowingQuery, Timeline],
   publishClientSentImpressionsEventBusSideEffect: PublishClientSentImpressionsEventBusSideEffect,
   publishClientSentImpressionsManhattanSideEffect: PublishClientSentImpressionsManhattanSideEffect,
+  publishImpressionBloomFilterSideEffect: PublishImpressionBloomFilterSideEffect,
   updateTimelinesPersistenceStoreSideEffect: UpdateTimelinesPersistenceStoreSideEffect,
   truncateTimelinesPersistenceStoreSideEffect: TruncateTimelinesPersistenceStoreSideEffect,
-  homeTimelineServedEntriesSideEffect: HomeScribeServedEntriesSideEffect,
+  homeTimelineServedCandidatesSideEffect: HomeScribeServedCandidatesSideEffect,
   clientEventsScribeEventPublisher: EventPublisher[ca.LogEvent],
   externalStrings: HomeMixerExternalStrings,
   @ProductScoped stringCenterProvider: Provider[StringCenter],
-  urtTransportMarshaller: UrtTransportMarshaller)
+  urtTransportMarshaller: UrtTransportMarshaller,
+  @Flag(ScribeClientEventsFlag) enableScribeClientEvents: Boolean)
     extends MixerPipelineConfig[FollowingQuery, Timeline, urt.TimelineResponse] {
 
   override val identifier: MixerPipelineIdentifier = MixerPipelineIdentifier("Following")
@@ -119,7 +133,12 @@ class FollowingMixerPipelineConfig @Inject() (
     AsyncQueryFeatureHydrator(dependentCandidatesStep, gizmoduckUserQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(dependentCandidatesStep, persistenceStoreQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(dependentCandidatesStep, lastNonPollingTimeQueryFeatureHydrator),
-    AsyncQueryFeatureHydrator(resultSelectorsStep, tweetImpressionsQueryFeatureHydrator),
+    AsyncParamGatedQueryFeatureHydrator(
+      EnableImpressionBloomFilter,
+      resultSelectorsStep,
+      impressionBloomFilterQueryFeatureHydrator),
+    AsyncQueryFeatureHydrator(resultSelectorsStep, manhattanTweetImpressionsQueryFeatureHydrator),
+    AsyncQueryFeatureHydrator(resultSelectorsStep, memcacheTweetImpressionsQueryFeatureHydrator)
   )
 
   private val earlybirdCandidatePipelineScope =
@@ -134,8 +153,8 @@ class FollowingMixerPipelineConfig @Inject() (
   private val followingAdsCandidatePipelineConfig =
     followingAdsCandidatePipelineBuilder.build(earlybirdCandidatePipelineScope)
 
-  private val followingWhoToFollowArmCandidatePipelineConfig =
-    followingWhoToFollowArmCandidatePipelineConfigBuilder.build(earlybirdCandidatePipelineScope)
+  private val followingWhoToFollowCandidatePipelineConfig =
+    followingWhoToFollowCandidatePipelineConfigBuilder.build(earlybirdCandidatePipelineScope)
 
   private val flipPromptCandidatePipelineConfig =
     flipPromptDependentCandidatePipelineConfigBuilder.build[FollowingQuery](
@@ -150,7 +169,7 @@ class FollowingMixerPipelineConfig @Inject() (
   ] = Seq(
     conversationServiceCandidatePipelineConfig,
     followingAdsCandidatePipelineConfig,
-    followingWhoToFollowArmCandidatePipelineConfig,
+    followingWhoToFollowCandidatePipelineConfig,
     flipPromptCandidatePipelineConfig,
     editedTweetsCandidatePipelineConfig,
     newTweetsPillCandidatePipelineConfig
@@ -158,7 +177,7 @@ class FollowingMixerPipelineConfig @Inject() (
 
   override val failOpenPolicies: Map[CandidatePipelineIdentifier, FailOpenPolicy] = Map(
     followingAdsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
-    followingWhoToFollowArmCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+    followingWhoToFollowCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     flipPromptCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     editedTweetsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     newTweetsPillCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
@@ -178,16 +197,16 @@ class FollowingMixerPipelineConfig @Inject() (
       maxSelectionsParam = ServerMaxResultsParam
     ),
     DropModuleTooFewModuleItemResults(
-      candidatePipeline = followingWhoToFollowArmCandidatePipelineConfig.identifier,
+      candidatePipeline = followingWhoToFollowCandidatePipelineConfig.identifier,
       minModuleItemsParam = StaticParam(WhoToFollowArmCandidatePipelineConfig.MinCandidatesSize)
     ),
     DropMaxModuleItemCandidates(
-      candidatePipeline = followingWhoToFollowArmCandidatePipelineConfig.identifier,
+      candidatePipeline = followingWhoToFollowCandidatePipelineConfig.identifier,
       maxModuleItemsParam = StaticParam(WhoToFollowArmCandidatePipelineConfig.MaxCandidatesSize)
     ),
     InsertAppendResults(candidatePipeline = conversationServiceCandidatePipelineConfig.identifier),
     InsertFixedPositionResults(
-      candidatePipeline = followingWhoToFollowArmCandidatePipelineConfig.identifier,
+      candidatePipeline = followingWhoToFollowCandidatePipelineConfig.identifier,
       positionParam = WhoToFollowPositionParam
     ),
     InsertFixedPositionResults(
@@ -221,22 +240,24 @@ class FollowingMixerPipelineConfig @Inject() (
   )
 
   private val homeScribeClientEventSideEffect = HomeScribeClientEventSideEffect(
+    enableScribeClientEvents = enableScribeClientEvents,
     logPipelinePublisher = clientEventsScribeEventPublisher,
     injectedTweetsCandidatePipelineIdentifiers =
       Seq(conversationServiceCandidatePipelineConfig.identifier),
-    adsCandidatePipelineIdentifier = followingAdsCandidatePipelineConfig.identifier,
+    adsCandidatePipelineIdentifier = Some(followingAdsCandidatePipelineConfig.identifier),
     whoToFollowCandidatePipelineIdentifier =
-      Some(followingWhoToFollowArmCandidatePipelineConfig.identifier),
+      Some(followingWhoToFollowCandidatePipelineConfig.identifier),
   )
 
   override val resultSideEffects: Seq[PipelineResultSideEffect[FollowingQuery, Timeline]] = Seq(
-    updateLastNonPollingTimeSideEffect,
+    homeScribeClientEventSideEffect,
+    homeTimelineServedCandidatesSideEffect,
     publishClientSentImpressionsEventBusSideEffect,
     publishClientSentImpressionsManhattanSideEffect,
-    homeScribeClientEventSideEffect,
-    updateTimelinesPersistenceStoreSideEffect,
+    publishImpressionBloomFilterSideEffect,
     truncateTimelinesPersistenceStoreSideEffect,
-    homeTimelineServedEntriesSideEffect
+    updateLastNonPollingTimeSideEffect,
+    updateTimelinesPersistenceStoreSideEffect,
   )
 
   override val domainMarshaller: DomainMarshaller[FollowingQuery, Timeline] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingWhoToFollowArmCandidatePipelineConfigBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingWhoToFollowCandidatePipelineConfigBuilder.scala
similarity index 98%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingWhoToFollowArmCandidatePipelineConfigBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingWhoToFollowCandidatePipelineConfigBuilder.scala
index 484a72d5f4..cd5b1795d0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingWhoToFollowArmCandidatePipelineConfigBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/FollowingWhoToFollowCandidatePipelineConfigBuilder.scala
@@ -27,7 +27,7 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class FollowingWhoToFollowArmCandidatePipelineConfigBuilder @Inject() (
+class FollowingWhoToFollowCandidatePipelineConfigBuilder @Inject() (
   whoToFollowArmDependentCandidatePipelineConfigBuilder: WhoToFollowArmDependentCandidatePipelineConfigBuilder,
   homeWhoToFollowFeedbackActionInfoBuilder: HomeWhoToFollowFeedbackActionInfoBuilder) {
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/FollowingQuery.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/FollowingQuery.scala
index 39442a61bc..c45c7cf683 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/FollowingQuery.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/FollowingQuery.scala
@@ -47,4 +47,5 @@ case class FollowingQuery(
   override val isEmptyState: Option[Boolean] = None
   override val isFirstRequestAfterSignup: Option[Boolean] = None
   override val isEndOfTimeline: Option[Boolean] = None
+  override val timelineId: Option[Long] = None
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/HomeMixerExternalStrings.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/HomeMixerExternalStrings.scala
index fb07bc12c1..9c6faafa7c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/HomeMixerExternalStrings.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model/HomeMixerExternalStrings.scala
@@ -63,4 +63,25 @@ class HomeMixerExternalStrings @Inject() (
     externalStringRegistryProvider.get().createProdString("SocialContext.extendedReply")
   val socialContextReceivedReply =
     externalStringRegistryProvider.get().createProdString("SocialContext.receivedReply")
+
+  val socialContextPopularVideoString =
+    externalStringRegistryProvider.get().createProdString("SocialContext.popularVideo")
+
+  val socialContextPopularInYourAreaString =
+    externalStringRegistryProvider.get().createProdString("PopgeoTweet.socialProof")
+
+  val listToFollowModuleHeaderString =
+    externalStringRegistryProvider.get().createProdString("ListToFollowModule.header")
+  val listToFollowModuleFooterString =
+    externalStringRegistryProvider.get().createProdString("ListToFollowModule.footer")
+  val pinnedListsModuleHeaderString =
+    externalStringRegistryProvider.get().createProdString("PinnedListModule.header")
+  val pinnedListsModuleEmptyStateMessageString =
+    externalStringRegistryProvider.get().createProdString("PinnedListModule.emptyStateMessage")
+
+  val ownedSubscribedListsModuleHeaderString =
+    externalStringRegistryProvider.get().createProdString("OwnedSubscribedListModule.header")
+  val ownedSubscribedListsModuleEmptyStateMessageString =
+    externalStringRegistryProvider
+      .get().createProdString("OwnedSubscribedListModule.emptyStateMessage")
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/BUILD.bazel
index 8371cbdf1b..5f597c78ba 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/BUILD.bazel
@@ -26,27 +26,39 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/scorer",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/ads",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/people_discovery",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/earlybird",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timeline_scorer",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timeline_service",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/param_gated",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/tweet_is_nsfw",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/tweet_tweetypie",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/async",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/impressed_tweets",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/param_gated",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/flexible_injection_pipeline",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/who_to_follow_module",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/who_to_subscribe_module",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/tweet_tlx",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/selector",
@@ -73,10 +85,12 @@ scala_library(
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/quality_factor",
         "src/java/com/twitter/search/common/util/lang",
         "src/scala/com/twitter/suggests/controller_data",
+        "src/thrift/com/twitter/search:earlybird-scala",
         "src/thrift/com/twitter/search/common:constants-java",
         "src/thrift/com/twitter/timelines/render:thrift-scala",
         "src/thrift/com/twitter/timelines/suggests/common:poly_data_record-java",
         "src/thrift/com/twitter/timelineservice:thrift-scala",
+        "stitch/stitch-tweetypie",
         "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
         "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
         "timelines/src/main/scala/com/twitter/timelines/model/candidate",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsCandidatePipelineBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsCandidatePipelineBuilder.scala
index 82963f5bb4..99ed0f5841 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsCandidatePipelineBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsCandidatePipelineBuilder.scala
@@ -2,7 +2,7 @@ package com.twitter.home_mixer.product.for_you
 
 import com.twitter.product_mixer.component_library.feature_hydrator.candidate.param_gated.ParamGatedCandidateFeatureHydrator
 import com.twitter.adserver.{thriftscala => ads}
-import com.twitter.home_mixer.functional_component.decorator.HomeAdsClientEventDetailsBuilder
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeAdsClientEventDetailsBuilder
 import com.twitter.home_mixer.functional_component.gate.ExcludeSoftUserGate
 import com.twitter.home_mixer.param.HomeGlobalParams
 import com.twitter.home_mixer.param.HomeGlobalParams.EnableAdvertiserBrandSafetySettingsFeatureHydratorParam
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsDependentCandidatePipelineBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsDependentCandidatePipelineBuilder.scala
new file mode 100644
index 0000000000..ef65d7062b
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouAdsDependentCandidatePipelineBuilder.scala
@@ -0,0 +1,111 @@
+package com.twitter.home_mixer.product.for_you
+
+import com.twitter.adserver.{thriftscala => ads}
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeAdsClientEventDetailsBuilder
+import com.twitter.home_mixer.functional_component.gate.ExcludeSoftUserGate
+import com.twitter.home_mixer.model.HomeFeatures.TweetLanguageFeature
+import com.twitter.home_mixer.model.HomeFeatures.TweetTextFeature
+import com.twitter.home_mixer.param.HomeGlobalParams
+import com.twitter.home_mixer.param.HomeGlobalParams.EnableAdvertiserBrandSafetySettingsFeatureHydratorParam
+import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.home_mixer.service.HomeMixerAlertConfig
+import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.product_mixer.component_library.candidate_source.ads.AdsProdThriftCandidateSource
+import com.twitter.product_mixer.component_library.decorator.urt.UrtItemCandidateDecorator
+import com.twitter.product_mixer.component_library.decorator.urt.builder.contextual_ref.ContextualTweetRefBuilder
+import com.twitter.product_mixer.component_library.decorator.urt.builder.item.ad.AdsCandidateUrtItemBuilder
+import com.twitter.product_mixer.component_library.decorator.urt.builder.metadata.ClientEventInfoBuilder
+import com.twitter.product_mixer.component_library.feature_hydrator.candidate.ads.AdvertiserBrandSafetySettingsFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.candidate.param_gated.ParamGatedCandidateFeatureHydrator
+import com.twitter.product_mixer.component_library.gate.NonEmptyCandidatesGate
+import com.twitter.product_mixer.component_library.model.candidate.ads.AdsCandidate
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.AdsDependentCandidatePipelineConfig
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.AdsDependentCandidatePipelineConfigBuilder
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.CountTruncatedItemCandidatesFromPipelines
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.StaticAdsDisplayLocationBuilder
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.TruncatedPipelineScopedOrganicItems
+import com.twitter.product_mixer.component_library.pipeline.candidate.ads.ValidAdImpressionIdFilter
+import com.twitter.product_mixer.core.functional_component.common.CandidateScope
+import com.twitter.product_mixer.core.gate.ParamNotGate
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.model.marshalling.response.rtf.safety_level.TimelineHomePromotedHydrationSafetyLevel
+import com.twitter.product_mixer.core.model.marshalling.response.urt.contextual_ref.TweetHydrationContext
+import com.twitter.timelines.injection.scribe.InjectionScribeUtil
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ForYouAdsDependentCandidatePipelineBuilder @Inject() (
+  adsCandidatePipelineConfigBuilder: AdsDependentCandidatePipelineConfigBuilder,
+  adsCandidateSource: AdsProdThriftCandidateSource,
+  advertiserBrandSafetySettingsFeatureHydrator: AdvertiserBrandSafetySettingsFeatureHydrator[
+    ForYouQuery,
+    AdsCandidate
+  ]) {
+
+  private val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ForYouAdsDependent")
+
+  private val suggestType = st.SuggestType.Promoted
+
+  private val MaxOrganicTweets = 35
+
+  private val clientEventInfoBuilder = ClientEventInfoBuilder(
+    component = InjectionScribeUtil.scribeComponent(suggestType).get,
+    detailsBuilder = Some(HomeAdsClientEventDetailsBuilder(Some(suggestType.name)))
+  )
+
+  private val contextualTweetRefBuilder = ContextualTweetRefBuilder(
+    TweetHydrationContext(
+      safetyLevelOverride = Some(TimelineHomePromotedHydrationSafetyLevel),
+      outerTweetContext = None
+    ))
+
+  private val decorator = UrtItemCandidateDecorator(
+    AdsCandidateUrtItemBuilder(
+      tweetClientEventInfoBuilder = Some(clientEventInfoBuilder),
+      contextualTweetRefBuilder = Some(contextualTweetRefBuilder)
+    ))
+
+  private val alerts = Seq(
+    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(),
+    HomeMixerAlertConfig.BusinessHours.defaultEmptyResponseRateAlert()
+  )
+
+  def build(
+    organicCandidatePipelines: CandidateScope
+  ): AdsDependentCandidatePipelineConfig[ForYouQuery] =
+    adsCandidatePipelineConfigBuilder.build[ForYouQuery](
+      adsCandidateSource = adsCandidateSource,
+      identifier = identifier,
+      adsDisplayLocationBuilder = StaticAdsDisplayLocationBuilder(ads.DisplayLocation.TimelineHome),
+      getOrganicItems = TruncatedPipelineScopedOrganicItems(
+        pipelines = organicCandidatePipelines,
+        textFeature = TweetTextFeature,
+        languageFeature = TweetLanguageFeature,
+        ordering = CandidatesUtil.scoreOrdering,
+        maxCount = MaxOrganicTweets
+      ),
+      countNumOrganicItems =
+        CountTruncatedItemCandidatesFromPipelines(organicCandidatePipelines, MaxOrganicTweets),
+      gates = Seq(
+        ParamNotGate(
+          name = "AdsDisableInjectionBasedOnUserRole",
+          param = HomeGlobalParams.AdsDisableInjectionBasedOnUserRoleParam
+        ),
+        ExcludeSoftUserGate,
+        NonEmptyCandidatesGate(organicCandidatePipelines)
+      ),
+      filters = Seq(ValidAdImpressionIdFilter),
+      postFilterFeatureHydration = Seq(
+        ParamGatedCandidateFeatureHydrator(
+          EnableAdvertiserBrandSafetySettingsFeatureHydratorParam,
+          advertiserBrandSafetySettingsFeatureHydrator
+        )
+      ),
+      decorator = Some(decorator),
+      alerts = alerts,
+      urtRequest = Some(true)
+    )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouConversationServiceCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouConversationServiceCandidatePipelineConfig.scala
index 3f69ad888e..494d3a5849 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouConversationServiceCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouConversationServiceCandidatePipelineConfig.scala
@@ -2,26 +2,26 @@ package com.twitter.home_mixer.product.for_you
 
 import com.twitter.home_mixer.candidate_pipeline.ConversationServiceResponseFeatureTransformer
 import com.twitter.home_mixer.functional_component.decorator.HomeConversationServiceCandidateDecorator
-import com.twitter.home_mixer.functional_component.decorator.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.feature_hydrator.InNetworkFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.NamesFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.SocialGraphServiceFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.functional_component.feature_hydrator.TweetypieFeatureHydrator
 import com.twitter.home_mixer.functional_component.filter.InvalidConversationModuleFilter
-import com.twitter.home_mixer.functional_component.filter.PredicateFeatureFilter
-import com.twitter.home_mixer.functional_component.filter.PreviouslySeenTweetsFilter
+import com.twitter.home_mixer.functional_component.filter.InvalidSubscriptionTweetFilter
 import com.twitter.home_mixer.functional_component.filter.PreviouslyServedTweetsFilter
 import com.twitter.home_mixer.functional_component.filter.RetweetDeduplicationFilter
-import com.twitter.home_mixer.functional_component.gate.NonEmptySeqFeatureGate
 import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetDroppedFeature
+import com.twitter.home_mixer.model.HomeFeatures.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.ConversationServiceCandidateSource
 import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.ConversationServiceCandidateSourceRequest
 import com.twitter.product_mixer.component_library.candidate_source.tweetconvosvc.TweetWithConversationMetadata
 import com.twitter.product_mixer.component_library.filter.FeatureFilter
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
 import com.twitter.product_mixer.component_library.gate.NoCandidatesGate
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
 import com.twitter.product_mixer.core.functional_component.common.SpecificPipelines
@@ -47,8 +47,8 @@ class ForYouConversationServiceCandidatePipelineConfig @Inject() (
   forYouTimelineScorerCandidatePipelineConfig: ForYouTimelineScorerCandidatePipelineConfig,
   conversationServiceCandidateSource: ConversationServiceCandidateSource,
   tweetypieFeatureHydrator: TweetypieFeatureHydrator,
-  socialGraphServiceFeatureHydrator: SocialGraphServiceFeatureHydrator,
   namesFeatureHydrator: NamesFeatureHydrator,
+  invalidSubscriptionTweetFilter: InvalidSubscriptionTweetFilter,
   homeFeedbackActionInfoBuilder: HomeFeedbackActionInfoBuilder)
     extends DependentCandidatePipelineConfig[
       ForYouQuery,
@@ -107,17 +107,20 @@ class ForYouConversationServiceCandidatePipelineConfig @Inject() (
 
   override val preFilterFeatureHydrationPhase1: Seq[
     BaseCandidateFeatureHydrator[ForYouQuery, TweetCandidate, _]
-  ] = Seq(tweetypieFeatureHydrator, socialGraphServiceFeatureHydrator)
+  ] = Seq(
+    InNetworkFeatureHydrator,
+    tweetypieFeatureHydrator
+  )
 
   override def filters: Seq[Filter[ForYouQuery, TweetCandidate]] = Seq(
     PreviouslyServedTweetsFilter,
-    PreviouslySeenTweetsFilter,
     RetweetDeduplicationFilter,
     FeatureFilter.fromFeature(FilterIdentifier("TweetypieHydrated"), IsHydratedFeature),
     PredicateFeatureFilter.fromPredicate(
       FilterIdentifier("QuotedTweetDropped"),
       shouldKeepCandidate = { features => !features.getOrElse(QuotedTweetDroppedFeature, false) }
     ),
+    invalidSubscriptionTweetFilter,
     InvalidConversationModuleFilter
   )
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouProductPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouProductPipelineConfig.scala
index e84b05389b..e1cf2161cd 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouProductPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouProductPipelineConfig.scala
@@ -2,10 +2,11 @@ package com.twitter.home_mixer.product.for_you
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.marshaller.timelines.ChronologicalCursorUnmarshaller
-import com.twitter.home_mixer.model.request.HomeMixerRequest
 import com.twitter.home_mixer.model.request.ForYouProduct
 import com.twitter.home_mixer.model.request.ForYouProductContext
+import com.twitter.home_mixer.model.request.HomeMixerRequest
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnablePushToHomeMixerPipelineParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableScoredTweetsMixerPipelineParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.ServerMaxResultsParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParamConfig
@@ -45,6 +46,7 @@ import javax.inject.Singleton
 class ForYouProductPipelineConfig @Inject() (
   forYouTimelineScorerMixerPipelineConfig: ForYouTimelineScorerMixerPipelineConfig,
   forYouScoredTweetsMixerPipelineConfig: ForYouScoredTweetsMixerPipelineConfig,
+  forYouPushToHomeMixerPipelineConfig: ForYouPushToHomeMixerPipelineConfig,
   forYouParamConfig: ForYouParamConfig)
     extends ProductPipelineConfig[HomeMixerRequest, ForYouQuery, urt.TimelineResponse] {
 
@@ -91,20 +93,25 @@ class ForYouProductPipelineConfig @Inject() (
       debugOptions = debugOptions,
       deviceContext = context.deviceContext,
       seenTweetIds = context.seenTweetIds,
-      dspClientContext = context.dspClientContext
+      dspClientContext = context.dspClientContext,
+      pushToHomeTweetId = context.pushToHomeTweetId
     )
   }
 
-  override val pipelines: Seq[PipelineConfig] =
-    Seq(forYouTimelineScorerMixerPipelineConfig, forYouScoredTweetsMixerPipelineConfig)
+  override val pipelines: Seq[PipelineConfig] = Seq(
+    forYouTimelineScorerMixerPipelineConfig,
+    forYouScoredTweetsMixerPipelineConfig,
+    forYouPushToHomeMixerPipelineConfig
+  )
 
   override def pipelineSelector(
     query: ForYouQuery
   ): ComponentIdentifier = {
-    if (query.params.getBoolean(EnableScoredTweetsMixerPipelineParam))
+    if (query.pushToHomeTweetId.isDefined && query.params(EnablePushToHomeMixerPipelineParam))
+      forYouPushToHomeMixerPipelineConfig.identifier
+    else if (query.params(EnableScoredTweetsMixerPipelineParam))
       forYouScoredTweetsMixerPipelineConfig.identifier
-    else
-      forYouTimelineScorerMixerPipelineConfig.identifier
+    else forYouTimelineScorerMixerPipelineConfig.identifier
   }
 
   override val alerts: Seq[Alert] = Seq(
@@ -116,8 +123,8 @@ class ForYouProductPipelineConfig @Inject() (
     LatencyAlert(
       notificationGroup = DefaultNotificationGroup,
       percentile = P99,
-      warnPredicate = TriggerIfLatencyAbove(2000.millis, 15, 30),
-      criticalPredicate = TriggerIfLatencyAbove(2100.millis, 15, 30)
+      warnPredicate = TriggerIfLatencyAbove(2300.millis, 15, 30),
+      criticalPredicate = TriggerIfLatencyAbove(2800.millis, 15, 30)
     ),
     ThroughputAlert(
       notificationGroup = DefaultNotificationGroup,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeMixerPipelineConfig.scala
new file mode 100644
index 0000000000..ac529f5823
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeMixerPipelineConfig.scala
@@ -0,0 +1,74 @@
+package com.twitter.home_mixer.product.for_you
+
+import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.home_mixer.product.for_you.param.ForYouParam
+import com.twitter.product_mixer.component_library.premarshaller.urt.UrtDomainMarshaller
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.AddEntriesInstructionBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ClearCacheInstructionBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedBottomCursorBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedTopCursorBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ParamGatedIncludeInstruction
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.StaticTimelineScribeConfigBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.UrtMetadataBuilder
+import com.twitter.product_mixer.component_library.selector.InsertAppendResults
+import com.twitter.product_mixer.core.functional_component.marshaller.TransportMarshaller
+import com.twitter.product_mixer.core.functional_component.marshaller.response.urt.UrtTransportMarshaller
+import com.twitter.product_mixer.core.functional_component.premarshaller.DomainMarshaller
+import com.twitter.product_mixer.core.functional_component.selector.Selector
+import com.twitter.product_mixer.core.model.common.UniversalNoun
+import com.twitter.product_mixer.core.model.common.identifier.MixerPipelineIdentifier
+import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
+import com.twitter.product_mixer.core.model.marshalling.response.urt.TimelineScribeConfig
+import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.product_mixer.core.pipeline.mixer.MixerPipelineConfig
+import com.twitter.timelines.render.{thriftscala => urt}
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ForYouPushToHomeMixerPipelineConfig @Inject() (
+  forYouPushToHomeTweetCandidatePipelineConfig: ForYouPushToHomeTweetCandidatePipelineConfig,
+  urtTransportMarshaller: UrtTransportMarshaller)
+    extends MixerPipelineConfig[ForYouQuery, Timeline, urt.TimelineResponse] {
+
+  override val identifier: MixerPipelineIdentifier = MixerPipelineIdentifier("ForYouPushToHome")
+
+  override val candidatePipelines: Seq[CandidatePipelineConfig[ForYouQuery, _, _, _]] =
+    Seq(forYouPushToHomeTweetCandidatePipelineConfig)
+
+  override val resultSelectors: Seq[Selector[ForYouQuery]] =
+    Seq(InsertAppendResults(forYouPushToHomeTweetCandidatePipelineConfig.identifier))
+
+  override val domainMarshaller: DomainMarshaller[ForYouQuery, Timeline] = {
+    val instructionBuilders = Seq(
+      ClearCacheInstructionBuilder(
+        ParamGatedIncludeInstruction(ForYouParam.EnableClearCacheOnPushToHome)),
+      AddEntriesInstructionBuilder())
+
+    val idSelector: PartialFunction[UniversalNoun[_], Long] = { case item: TweetItem => item.id }
+    val topCursorBuilder = OrderedTopCursorBuilder(idSelector)
+    val bottomCursorBuilder = OrderedBottomCursorBuilder(idSelector)
+
+    val metadataBuilder = UrtMetadataBuilder(
+      title = None,
+      scribeConfigBuilder = Some(
+        StaticTimelineScribeConfigBuilder(
+          TimelineScribeConfig(
+            page = Some("for_you_push_to_home"),
+            section = None,
+            entityToken = None)
+        )
+      )
+    )
+
+    UrtDomainMarshaller(
+      instructionBuilders = instructionBuilders,
+      metadataBuilder = Some(metadataBuilder),
+      cursorBuilders = Seq(topCursorBuilder, bottomCursorBuilder)
+    )
+  }
+
+  override val transportMarshaller: TransportMarshaller[Timeline, urt.TimelineResponse] =
+    urtTransportMarshaller
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeTweetCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeTweetCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..49df4fdf8a
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouPushToHomeTweetCandidatePipelineConfig.scala
@@ -0,0 +1,81 @@
+package com.twitter.home_mixer.product.for_you
+
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeClientEventInfoBuilder
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.home_mixer.product.for_you.functional_component.gate.PushToHomeRequestGate
+import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.product_mixer.component_library.decorator.urt.UrtItemCandidateDecorator
+import com.twitter.product_mixer.component_library.decorator.urt.builder.item.tweet.TweetCandidateUrtItemBuilder
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
+import com.twitter.product_mixer.core.functional_component.candidate_source.PassthroughCandidateSource
+import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.CandidateSourceIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ForYouPushToHomeTweetCandidatePipelineConfig @Inject() ()
+    extends CandidatePipelineConfig[
+      ForYouQuery,
+      ForYouQuery,
+      TweetCandidate,
+      TweetCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ForYouPushToHomeTweet")
+
+  override val gates: Seq[Gate[ForYouQuery]] = Seq(PushToHomeRequestGate)
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ForYouQuery,
+    ForYouQuery
+  ] = identity
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[TweetCandidate]
+  ] = Seq(new CandidateFeatureTransformer[TweetCandidate] {
+    override def features: Set[Feature[_, _]] = Set(SuggestTypeFeature)
+
+    override val identifier: TransformerIdentifier =
+      TransformerIdentifier("ForYouPushToHomeTweet")
+
+    override def transform(input: TweetCandidate): FeatureMap =
+      FeatureMapBuilder().add(SuggestTypeFeature, Some(st.SuggestType.Magicrec)).build()
+  })
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    TweetCandidate,
+    TweetCandidate
+  ] = identity
+
+  override val candidateSource: CandidateSource[
+    ForYouQuery,
+    TweetCandidate
+  ] = PassthroughCandidateSource(
+    CandidateSourceIdentifier("PushToHomeTweet"),
+    { query => query.pushToHomeTweetId.toSeq.map(TweetCandidate(_)) }
+  )
+
+  override val decorator: Option[
+    CandidateDecorator[ForYouQuery, TweetCandidate]
+  ] = {
+    val tweetItemBuilder = TweetCandidateUrtItemBuilder(
+      clientEventInfoBuilder = HomeClientEventInfoBuilder()
+    )
+    Some(UrtItemCandidateDecorator(tweetItemBuilder))
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsCandidatePipelineConfig.scala
index a8e2c36daa..d7716e1902 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsCandidatePipelineConfig.scala
@@ -1,21 +1,16 @@
 package com.twitter.home_mixer.product.for_you
 
-import com.twitter.home_mixer.functional_component.decorator.HomeFeedbackActionInfoBuilder
-import com.twitter.home_mixer.functional_component.decorator.HomeTimelinesScoreInfoBuilder
-import com.twitter.home_mixer.functional_component.decorator.HomeTweetSocialContextBuilder
 import com.twitter.home_mixer.functional_component.decorator.builder.HomeClientEventInfoBuilder
 import com.twitter.home_mixer.functional_component.decorator.builder.HomeConversationModuleMetadataBuilder
-import com.twitter.home_mixer.functional_component.feature_hydrator.FocalTweetFeatureHydrator
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeTimelinesScoreInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeTweetSocialContextBuilder
+import com.twitter.home_mixer.functional_component.feature_hydrator.InNetworkFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.NamesFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.PerspectiveFilteredSocialContextFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.SGSValidSocialContextFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.TweetypieFeatureHydrator
-import com.twitter.home_mixer.functional_component.filter.FeedbackFatigueFilter
 import com.twitter.home_mixer.functional_component.filter.InvalidConversationModuleFilter
-import com.twitter.home_mixer.functional_component.filter.PredicateFeatureFilter
-import com.twitter.home_mixer.functional_component.filter.SocialContextFilter
+import com.twitter.home_mixer.functional_component.filter.InvalidSubscriptionTweetFilter
 import com.twitter.home_mixer.functional_component.gate.SupportedLanguagesGate
-import com.twitter.home_mixer.functional_component.scorer.FeedbackFatigueScorer
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleFocalTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
@@ -23,6 +18,8 @@ import com.twitter.home_mixer.model.HomeFeatures.IsNsfwFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetDroppedFeature
 import com.twitter.home_mixer.product.for_you.candidate_source.ScoredTweetWithConversationMetadata
 import com.twitter.home_mixer.product.for_you.candidate_source.ScoredTweetsProductCandidateSource
+import com.twitter.home_mixer.product.for_you.feature_hydrator.FocalTweetFeatureHydrator
+import com.twitter.home_mixer.product.for_you.filter.SocialContextFilter
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableScoredTweetsCandidatePipelineParam
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
@@ -33,13 +30,13 @@ import com.twitter.product_mixer.component_library.decorator.urt.builder.timelin
 import com.twitter.product_mixer.component_library.decorator.urt.builder.timeline_module.StaticModuleDisplayTypeBuilder
 import com.twitter.product_mixer.component_library.decorator.urt.builder.timeline_module.TimelineModuleBuilder
 import com.twitter.product_mixer.component_library.filter.FeatureFilter
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
 import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
 import com.twitter.product_mixer.core.functional_component.filter.Filter
 import com.twitter.product_mixer.core.functional_component.gate.Gate
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
 import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
@@ -55,11 +52,10 @@ import javax.inject.Singleton
 @Singleton
 class ForYouScoredTweetsCandidatePipelineConfig @Inject() (
   scoredTweetsProductCandidateSource: ScoredTweetsProductCandidateSource,
-  tweetypieFeatureHydrator: TweetypieFeatureHydrator,
-  namesFeatureHydrator: NamesFeatureHydrator,
-  sgsValidSocialContextFeatureHydrator: SGSValidSocialContextFeatureHydrator,
-  perspectiveFilteredSocialContextFeatureHydrator: PerspectiveFilteredSocialContextFeatureHydrator,
   focalTweetFeatureHydrator: FocalTweetFeatureHydrator,
+  namesFeatureHydrator: NamesFeatureHydrator,
+  tweetypieFeatureHydrator: TweetypieFeatureHydrator,
+  invalidSubscriptionTweetFilter: InvalidSubscriptionTweetFilter,
   homeFeedbackActionInfoBuilder: HomeFeedbackActionInfoBuilder,
   homeTweetSocialContextBuilder: HomeTweetSocialContextBuilder)
     extends CandidatePipelineConfig[
@@ -99,12 +95,7 @@ class ForYouScoredTweetsCandidatePipelineConfig @Inject() (
 
   override val preFilterFeatureHydrationPhase1: Seq[
     BaseCandidateFeatureHydrator[ForYouQuery, TweetCandidate, _]
-  ] = Seq(
-    namesFeatureHydrator,
-    tweetypieFeatureHydrator,
-    sgsValidSocialContextFeatureHydrator,
-    perspectiveFilteredSocialContextFeatureHydrator,
-  )
+  ] = Seq(InNetworkFeatureHydrator, namesFeatureHydrator, tweetypieFeatureHydrator)
 
   override val filters: Seq[Filter[ForYouQuery, TweetCandidate]] = Seq(
     FeatureFilter.fromFeature(FilterIdentifier(TweetypieHydratedFilterId), IsHydratedFeature),
@@ -119,8 +110,8 @@ class ForYouScoredTweetsCandidatePipelineConfig @Inject() (
         !features.getOrElse(IsNsfwFeature, false)
       }
     ),
-    FeedbackFatigueFilter,
     SocialContextFilter,
+    invalidSubscriptionTweetFilter,
     InvalidConversationModuleFilter
   )
 
@@ -128,8 +119,6 @@ class ForYouScoredTweetsCandidatePipelineConfig @Inject() (
     BaseCandidateFeatureHydrator[ForYouQuery, TweetCandidate, _]
   ] = Seq(focalTweetFeatureHydrator)
 
-  override val scorers: Seq[Scorer[ForYouQuery, TweetCandidate]] = Seq(FeedbackFatigueScorer)
-
   override val decorator: Option[CandidateDecorator[ForYouQuery, TweetCandidate]] = {
     val clientEventInfoBuilder = HomeClientEventInfoBuilder()
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsMixerPipelineConfig.scala
index 29cb636787..2137c52676 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsMixerPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsMixerPipelineConfig.scala
@@ -14,19 +14,30 @@ import com.twitter.home_mixer.functional_component.side_effect._
 import com.twitter.home_mixer.model.ClearCacheIncludeInstruction
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.param.HomeGlobalParams.MaxNumberReplaceInstructionsParam
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeClientEventsFlag
 import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
+import com.twitter.home_mixer.product.for_you.feature_hydrator.TimelineServiceTweetsQueryFeatureHydrator
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.ClearCacheOnPtr
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableFlipInjectionModuleCandidatePipelineParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.FlipInlineInjectionModulePosition
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.ServerMaxResultsParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.TweetPreviewsPositionParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToFollowPositionParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToSubscribePositionParam
+import com.twitter.home_mixer.product.for_you.side_effect.ServedCandidateFeatureKeysKafkaSideEffectBuilder
+import com.twitter.home_mixer.product.for_you.side_effect.ServedCandidateKeysKafkaSideEffectBuilder
+import com.twitter.home_mixer.product.for_you.side_effect.ServedStatsSideEffect
 import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.inject.annotations.Flag
 import com.twitter.logpipeline.client.common.EventPublisher
 import com.twitter.product_mixer.component_library.feature_hydrator.query.async.AsyncQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.PreviewCreatorsQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersQueryFeatureHydrator
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.component_library.pipeline.candidate.flexible_injection_pipeline.FlipPromptCandidatePipelineConfigBuilder
 import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidatePipelineConfig
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_subscribe_module.WhoToSubscribeCandidatePipelineConfig
 import com.twitter.product_mixer.component_library.premarshaller.urt.UrtDomainMarshaller
 import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ClearCacheInstructionBuilder
 import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedBottomCursorBuilder
@@ -78,52 +89,67 @@ import javax.inject.Singleton
 
 @Singleton
 class ForYouScoredTweetsMixerPipelineConfig @Inject() (
-  forYouScoredTweetsCandidatePipelineConfig: ForYouScoredTweetsCandidatePipelineConfig,
+  forYouAdsDependentCandidatePipelineBuilder: ForYouAdsDependentCandidatePipelineBuilder,
   forYouConversationServiceCandidatePipelineConfig: ForYouConversationServiceCandidatePipelineConfig,
-  forYouAdsCandidatePipelineBuilder: ForYouAdsCandidatePipelineBuilder,
+  forYouPushToHomeTweetCandidatePipelineConfig: ForYouPushToHomeTweetCandidatePipelineConfig,
+  forYouScoredTweetsCandidatePipelineConfig: ForYouScoredTweetsCandidatePipelineConfig,
   forYouWhoToFollowCandidatePipelineConfigBuilder: ForYouWhoToFollowCandidatePipelineConfigBuilder,
+  forYouWhoToSubscribeCandidatePipelineConfigBuilder: ForYouWhoToSubscribeCandidatePipelineConfigBuilder,
   flipPromptCandidatePipelineConfigBuilder: FlipPromptCandidatePipelineConfigBuilder,
   editedTweetsCandidatePipelineConfig: EditedTweetsCandidatePipelineConfig,
   newTweetsPillCandidatePipelineConfig: NewTweetsPillCandidatePipelineConfig[ForYouQuery],
+  forYouTweetPreviewsCandidatePipelineConfig: ForYouTweetPreviewsCandidatePipelineConfig,
   dismissInfoQueryFeatureHydrator: DismissInfoQueryFeatureHydrator,
   gizmoduckUserQueryFeatureHydrator: GizmoduckUserQueryFeatureHydrator,
   persistenceStoreQueryFeatureHydrator: PersistenceStoreQueryFeatureHydrator,
   requestQueryFeatureHydrator: RequestQueryFeatureHydrator[ForYouQuery],
-  feedbackHistoryQueryFeatureHydrator: FeedbackHistoryQueryFeatureHydrator,
   timelineServiceTweetsQueryFeatureHydrator: TimelineServiceTweetsQueryFeatureHydrator,
+  previewCreatorsQueryFeatureHydrator: PreviewCreatorsQueryFeatureHydrator,
+  sgsFollowedUsersQueryFeatureHydrator: SGSFollowedUsersQueryFeatureHydrator,
   adsInjector: AdsInjector,
   servedCandidateKeysKafkaSideEffectBuilder: ServedCandidateKeysKafkaSideEffectBuilder,
   servedCandidateFeatureKeysKafkaSideEffectBuilder: ServedCandidateFeatureKeysKafkaSideEffectBuilder,
   updateTimelinesPersistenceStoreSideEffect: UpdateTimelinesPersistenceStoreSideEffect,
   truncateTimelinesPersistenceStoreSideEffect: TruncateTimelinesPersistenceStoreSideEffect,
-  homeScribeServedEntriesSideEffect: HomeScribeServedEntriesSideEffect,
+  homeScribeServedCandidatesSideEffect: HomeScribeServedCandidatesSideEffect,
   servedStatsSideEffect: ServedStatsSideEffect,
   clientEventsScribeEventPublisher: EventPublisher[ca.LogEvent],
   externalStrings: HomeMixerExternalStrings,
   @ProductScoped stringCenterProvider: Provider[StringCenter],
-  urtTransportMarshaller: UrtTransportMarshaller)
+  urtTransportMarshaller: UrtTransportMarshaller,
+  @Flag(ScribeClientEventsFlag) enableScribeClientEvents: Boolean)
     extends MixerPipelineConfig[ForYouQuery, Timeline, urt.TimelineResponse] {
 
   override val identifier: MixerPipelineIdentifier = MixerPipelineIdentifier("ForYouScoredTweets")
 
   private val MaxConsecutiveOutOfNetworkCandidates = 2
 
+  private val PushToHomeTweetPosition = 0
+
   private val dependentCandidatesStep = MixerPipelineConfig.dependentCandidatePipelinesStep
 
   override val fetchQueryFeatures: Seq[QueryFeatureHydrator[ForYouQuery]] = Seq(
     requestQueryFeatureHydrator,
     persistenceStoreQueryFeatureHydrator,
     timelineServiceTweetsQueryFeatureHydrator,
-    feedbackHistoryQueryFeatureHydrator,
+    previewCreatorsQueryFeatureHydrator,
+    sgsFollowedUsersQueryFeatureHydrator,
     AsyncQueryFeatureHydrator(dependentCandidatesStep, dismissInfoQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(dependentCandidatesStep, gizmoduckUserQueryFeatureHydrator),
   )
 
-  private val forYouAdsCandidatePipelineConfig = forYouAdsCandidatePipelineBuilder.build()
+  private val scoredTweetsCandidatePipelineScope =
+    SpecificPipeline(forYouScoredTweetsCandidatePipelineConfig.identifier)
+
+  private val forYouAdsCandidatePipelineConfig = forYouAdsDependentCandidatePipelineBuilder
+    .build(scoredTweetsCandidatePipelineScope)
 
   private val forYouWhoToFollowCandidatePipelineConfig =
     forYouWhoToFollowCandidatePipelineConfigBuilder.build()
 
+  private val forYouWhoToSubscribeCandidatePipelineConfig =
+    forYouWhoToSubscribeCandidatePipelineConfigBuilder.build()
+
   private val flipPromptCandidatePipelineConfig =
     flipPromptCandidatePipelineConfigBuilder.build[ForYouQuery](
       supportedClientParam = Some(EnableFlipInjectionModuleCandidatePipelineParam)
@@ -131,14 +157,17 @@ class ForYouScoredTweetsMixerPipelineConfig @Inject() (
 
   override val candidatePipelines: Seq[CandidatePipelineConfig[ForYouQuery, _, _, _]] = Seq(
     forYouScoredTweetsCandidatePipelineConfig,
-    forYouAdsCandidatePipelineConfig,
+    forYouPushToHomeTweetCandidatePipelineConfig,
     forYouWhoToFollowCandidatePipelineConfig,
+    forYouWhoToSubscribeCandidatePipelineConfig,
+    forYouTweetPreviewsCandidatePipelineConfig,
     flipPromptCandidatePipelineConfig
   )
 
   override val dependentCandidatePipelines: Seq[
     DependentCandidatePipelineConfig[ForYouQuery, _, _, _]
   ] = Seq(
+    forYouAdsCandidatePipelineConfig,
     forYouConversationServiceCandidatePipelineConfig,
     editedTweetsCandidatePipelineConfig,
     newTweetsPillCandidatePipelineConfig
@@ -148,6 +177,8 @@ class ForYouScoredTweetsMixerPipelineConfig @Inject() (
     forYouScoredTweetsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     forYouAdsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     forYouWhoToFollowCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+    forYouWhoToSubscribeCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+    forYouTweetPreviewsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     flipPromptCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     editedTweetsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     newTweetsPillCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
@@ -191,32 +222,56 @@ class ForYouScoredTweetsMixerPipelineConfig @Inject() (
       candidatePipeline = editedTweetsCandidatePipelineConfig.identifier,
       maxSelectionsParam = MaxNumberReplaceInstructionsParam
     ),
-    DropModuleTooFewModuleItemResults(
-      candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
-      minModuleItemsParam = StaticParam(WhoToFollowCandidatePipelineConfig.MinCandidatesSize)
-    ),
     DropMaxModuleItemCandidates(
       candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
       maxModuleItemsParam = StaticParam(WhoToFollowCandidatePipelineConfig.MaxCandidatesSize)
     ),
+    DropMaxModuleItemCandidates(
+      candidatePipeline = forYouWhoToSubscribeCandidatePipelineConfig.identifier,
+      maxModuleItemsParam = StaticParam(WhoToSubscribeCandidatePipelineConfig.MaxCandidatesSize)
+    ),
     // The Conversation Service pipeline will only run if the Scored Tweets pipeline returned nothing
-    InsertAppendResults(candidatePipeline =
-      forYouConversationServiceCandidatePipelineConfig.identifier),
-    InsertAppendResults(candidatePipeline = forYouScoredTweetsCandidatePipelineConfig.identifier),
+    InsertAppendResults(
+      candidatePipeline = forYouConversationServiceCandidatePipelineConfig.identifier
+    ),
+    InsertAppendResults(
+      candidatePipeline = forYouScoredTweetsCandidatePipelineConfig.identifier
+    ),
+    InsertFixedPositionResults(
+      candidatePipeline = forYouTweetPreviewsCandidatePipelineConfig.identifier,
+      positionParam = TweetPreviewsPositionParam
+    ),
     InsertFixedPositionResults(
       candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
       positionParam = WhoToFollowPositionParam
     ),
+    InsertFixedPositionResults(
+      candidatePipeline = forYouWhoToSubscribeCandidatePipelineConfig.identifier,
+      positionParam = WhoToSubscribePositionParam
+    ),
     InsertFixedPositionResults(
       candidatePipeline = flipPromptCandidatePipelineConfig.identifier,
       positionParam = FlipInlineInjectionModulePosition
     ),
+    // Insert Push To Home Tweet at top of Timeline
+    InsertFixedPositionResults(
+      candidatePipeline = forYouPushToHomeTweetCandidatePipelineConfig.identifier,
+      positionParam = StaticParam(PushToHomeTweetPosition)
+    ),
     InsertAdResults(
       surfaceAreaName = AdsInjectionSurfaceAreas.HomeTimeline,
       adsInjector = adsInjector.forSurfaceArea(AdsInjectionSurfaceAreas.HomeTimeline),
       adsCandidatePipeline = forYouAdsCandidatePipelineConfig.identifier
     ),
     // This selector must come after the tweets are inserted into the results
+    DropModuleTooFewModuleItemResults(
+      candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
+      minModuleItemsParam = StaticParam(WhoToFollowCandidatePipelineConfig.MinCandidatesSize)
+    ),
+    DropModuleTooFewModuleItemResults(
+      candidatePipeline = forYouWhoToSubscribeCandidatePipelineConfig.identifier,
+      minModuleItemsParam = StaticParam(WhoToSubscribeCandidatePipelineConfig.MinCandidatesSize)
+    ),
     UpdateNewTweetsPillDecoration(
       pipelineScope = SpecificPipelines(
         forYouConversationServiceCandidatePipelineConfig.identifier,
@@ -250,14 +305,18 @@ class ForYouScoredTweetsMixerPipelineConfig @Inject() (
       Set(forYouScoredTweetsCandidatePipelineConfig.identifier))
 
   private val homeScribeClientEventSideEffect = HomeScribeClientEventSideEffect(
+    enableScribeClientEvents = enableScribeClientEvents,
     logPipelinePublisher = clientEventsScribeEventPublisher,
     injectedTweetsCandidatePipelineIdentifiers = Seq(
       forYouScoredTweetsCandidatePipelineConfig.identifier,
       forYouConversationServiceCandidatePipelineConfig.identifier
     ),
-    adsCandidatePipelineIdentifier = forYouAdsCandidatePipelineConfig.identifier,
-    whoToFollowCandidatePipelineIdentifier =
-      Some(forYouWhoToFollowCandidatePipelineConfig.identifier),
+    adsCandidatePipelineIdentifier = Some(forYouAdsCandidatePipelineConfig.identifier),
+    whoToFollowCandidatePipelineIdentifier = Some(
+      forYouWhoToFollowCandidatePipelineConfig.identifier
+    ),
+    whoToSubscribeCandidatePipelineIdentifier =
+      Some(forYouWhoToSubscribeCandidatePipelineConfig.identifier)
   )
 
   override val resultSideEffects: Seq[PipelineResultSideEffect[ForYouQuery, Timeline]] = Seq(
@@ -266,7 +325,7 @@ class ForYouScoredTweetsMixerPipelineConfig @Inject() (
     updateTimelinesPersistenceStoreSideEffect,
     truncateTimelinesPersistenceStoreSideEffect,
     homeScribeClientEventSideEffect,
-    homeScribeServedEntriesSideEffect,
+    homeScribeServedCandidatesSideEffect,
     servedStatsSideEffect
   )
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsResponseFeatureTransformer.scala
index 9d8b43f732..eafc09352e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsResponseFeatureTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouScoredTweetsResponseFeatureTransformer.scala
@@ -1,6 +1,5 @@
 package com.twitter.home_mixer.product.for_you
 
-import com.twitter.timelines.render.{thriftscala => tl}
 import com.twitter.home_mixer.model.HomeFeatures._
 import com.twitter.home_mixer.product.for_you.candidate_source.ScoredTweetWithConversationMetadata
 import com.twitter.product_mixer.core.feature.Feature
@@ -11,6 +10,8 @@ import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentif
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.BasicTopicContextFunctionalityType
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RecWithEducationTopicContextFunctionalityType
 import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RecommendationTopicContextFunctionalityType
+import com.twitter.timelines.render.{thriftscala => tl}
+import com.twitter.timelineservice.suggests.{thriftscala => tls}
 
 object ForYouScoredTweetsResponseFeatureTransformer
     extends CandidateFeatureTransformer[ScoredTweetWithConversationMetadata] {
@@ -21,18 +22,29 @@ object ForYouScoredTweetsResponseFeatureTransformer
   override val features: Set[Feature[_, _]] = Set(
     AncestorsFeature,
     AuthorIdFeature,
-    ConversationModuleIdFeature,
+    AuthorIsBlueVerifiedFeature,
+    AuthorIsCreatorFeature,
+    AuthorIsGoldVerifiedFeature,
+    AuthorIsGrayVerifiedFeature,
+    AuthorIsLegacyVerifiedFeature,
     ConversationModuleFocalTweetIdFeature,
+    ConversationModuleIdFeature,
     DirectedAtUserIdFeature,
+    ExclusiveConversationAuthorIdFeature,
+    FullScoringSucceededFeature,
     FavoritedByUserIdsFeature,
     FollowedByUserIdsFeature,
     InNetworkFeature,
     InReplyToTweetIdFeature,
     InReplyToUserIdFeature,
+    IsAncestorCandidateFeature,
     IsReadFromCacheFeature,
     IsRetweetFeature,
+    PerspectiveFilteredLikedByUserIdsFeature,
     QuotedTweetIdFeature,
     QuotedUserIdFeature,
+    SGSValidFollowedByUserIdsFeature,
+    SGSValidLikedByUserIdsFeature,
     ScoreFeature,
     SourceTweetIdFeature,
     SourceUserIdFeature,
@@ -46,23 +58,36 @@ object ForYouScoredTweetsResponseFeatureTransformer
     FeatureMapBuilder()
       .add(AncestorsFeature, input.ancestors.getOrElse(Seq.empty))
       .add(AuthorIdFeature, Some(input.authorId))
+      .add(AuthorIsBlueVerifiedFeature, input.authorIsBlueVerified.getOrElse(false))
+      .add(AuthorIsGoldVerifiedFeature, input.authorIsGoldVerified.getOrElse(false))
+      .add(AuthorIsGrayVerifiedFeature, input.authorIsGrayVerified.getOrElse(false))
+      .add(AuthorIsLegacyVerifiedFeature, input.authorIsLegacyVerified.getOrElse(false))
+      .add(AuthorIsCreatorFeature, input.authorIsCreator.getOrElse(false))
       .add(ConversationModuleIdFeature, input.conversationId)
       .add(ConversationModuleFocalTweetIdFeature, input.conversationFocalTweetId)
       .add(DirectedAtUserIdFeature, input.directedAtUserId)
-      .add(FavoritedByUserIdsFeature, input.favoritedByUserIds.getOrElse(Seq.empty))
-      .add(FollowedByUserIdsFeature, input.followedByUserIds.getOrElse(Seq.empty))
-      .add(InNetworkFeature, input.inNetwork.getOrElse(false))
+      .add(ExclusiveConversationAuthorIdFeature, input.exclusiveConversationAuthorId)
+      .add(SGSValidLikedByUserIdsFeature, input.sgsValidLikedByUserIds.getOrElse(Seq.empty))
+      .add(SGSValidFollowedByUserIdsFeature, input.sgsValidFollowedByUserIds.getOrElse(Seq.empty))
+      .add(FavoritedByUserIdsFeature, input.sgsValidLikedByUserIds.getOrElse(Seq.empty))
+      .add(FollowedByUserIdsFeature, input.sgsValidFollowedByUserIds.getOrElse(Seq.empty))
+      .add(FullScoringSucceededFeature, true)
+      .add(InNetworkFeature, input.inNetwork.getOrElse(true))
       .add(InReplyToTweetIdFeature, input.inReplyToTweetId)
       .add(InReplyToUserIdFeature, input.inReplyToUserId)
+      .add(IsAncestorCandidateFeature, input.conversationFocalTweetId.exists(_ != input.tweetId))
       .add(IsReadFromCacheFeature, input.isReadFromCache.getOrElse(false))
       .add(IsRetweetFeature, input.sourceTweetId.isDefined)
+      .add(
+        PerspectiveFilteredLikedByUserIdsFeature,
+        input.perspectiveFilteredLikedByUserIds.getOrElse(Seq.empty))
       .add(QuotedTweetIdFeature, input.quotedTweetId)
       .add(QuotedUserIdFeature, input.quotedUserId)
       .add(ScoreFeature, input.score)
       .add(SourceTweetIdFeature, input.sourceTweetId)
       .add(SourceUserIdFeature, input.sourceUserId)
       .add(StreamToKafkaFeature, input.streamToKafka.getOrElse(false))
-      .add(SuggestTypeFeature, input.suggestType)
+      .add(SuggestTypeFeature, input.suggestType.orElse(Some(tls.SuggestType.Undefined)))
       .add(
         TopicContextFunctionalityTypeFeature,
         input.topicFunctionalityType.collect {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerCandidatePipelineConfig.scala
index 37f93c2a19..bb93a4110f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerCandidatePipelineConfig.scala
@@ -1,23 +1,20 @@
 package com.twitter.home_mixer.product.for_you
 
-import com.twitter.home_mixer.functional_component.decorator.HomeFeedbackActionInfoBuilder
-import com.twitter.home_mixer.functional_component.decorator.HomeTimelinesScoreInfoBuilder
-import com.twitter.home_mixer.functional_component.decorator.HomeTweetSocialContextBuilder
 import com.twitter.home_mixer.functional_component.decorator.builder.HomeClientEventInfoBuilder
 import com.twitter.home_mixer.functional_component.decorator.builder.HomeConversationModuleMetadataBuilder
-import com.twitter.home_mixer.functional_component.feature_hydrator.FocalTweetFeatureHydrator
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeTimelinesScoreInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeTweetSocialContextBuilder
+import com.twitter.home_mixer.functional_component.feature_hydrator.InNetworkFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.NamesFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.PerspectiveFilteredSocialContextFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.SGSValidSocialContextFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.SocialGraphServiceFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.functional_component.feature_hydrator.TweetypieFeatureHydrator
 import com.twitter.home_mixer.functional_component.filter.FeedbackFatigueFilter
 import com.twitter.home_mixer.functional_component.filter.InvalidConversationModuleFilter
-import com.twitter.home_mixer.functional_component.filter.PredicateFeatureFilter
+import com.twitter.home_mixer.functional_component.filter.InvalidSubscriptionTweetFilter
 import com.twitter.home_mixer.functional_component.filter.RejectTweetFromViewerFilter
 import com.twitter.home_mixer.functional_component.filter.RetweetDeduplicationFilter
-import com.twitter.home_mixer.functional_component.filter.SocialContextFilter
 import com.twitter.home_mixer.functional_component.scorer.FeedbackFatigueScorer
 import com.twitter.home_mixer.functional_component.scorer.OONTweetScalingScorer
 import com.twitter.home_mixer.marshaller.timelines.DeviceContextMarshaller
@@ -27,7 +24,10 @@ import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsNsfwFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetDroppedFeature
+import com.twitter.home_mixer.model.HomeFeatures.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.model.request.DeviceContext
+import com.twitter.home_mixer.product.for_you.feature_hydrator.FocalTweetFeatureHydrator
+import com.twitter.home_mixer.product.for_you.filter.SocialContextFilter
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableTimelineScorerCandidatePipelineParam
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
@@ -40,6 +40,7 @@ import com.twitter.product_mixer.component_library.decorator.urt.builder.timelin
 import com.twitter.product_mixer.component_library.decorator.urt.builder.timeline_module.StaticModuleDisplayTypeBuilder
 import com.twitter.product_mixer.component_library.decorator.urt.builder.timeline_module.TimelineModuleBuilder
 import com.twitter.product_mixer.component_library.filter.FeatureFilter
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
 import com.twitter.product_mixer.core.functional_component.common.alert.Alert
@@ -71,11 +72,11 @@ class ForYouTimelineScorerCandidatePipelineConfig @Inject() (
   timelineScorerCandidateSource: TimelineScorerCandidateSource,
   deviceContextMarshaller: DeviceContextMarshaller,
   tweetypieFeatureHydrator: TweetypieFeatureHydrator,
-  sgsFeatureHydrator: SocialGraphServiceFeatureHydrator,
   sgsValidSocialContextFeatureHydrator: SGSValidSocialContextFeatureHydrator,
   perspectiveFilteredSocialContextFeatureHydrator: PerspectiveFilteredSocialContextFeatureHydrator,
   namesFeatureHydrator: NamesFeatureHydrator,
   focalTweetFeatureHydrator: FocalTweetFeatureHydrator,
+  invalidSubscriptionTweetFilter: InvalidSubscriptionTweetFilter,
   homeFeedbackActionInfoBuilder: HomeFeedbackActionInfoBuilder,
   homeTweetSocialContextBuilder: HomeTweetSocialContextBuilder)
     extends CandidatePipelineConfig[
@@ -124,7 +125,9 @@ class ForYouTimelineScorerCandidatePipelineConfig @Inject() (
       CandidateTweetSourceId.CroonTweet,
       CandidateTweetSourceId.RecommendedTweet,
       CandidateTweetSourceId.FrsTweet,
-      CandidateTweetSourceId.ListTweet
+      CandidateTweetSourceId.ListTweet,
+      CandidateTweetSourceId.RecommendedTrendTweet,
+      CandidateTweetSourceId.PopularTopicTweet
     )
 
     val timelineServiceTweets =
@@ -167,11 +170,11 @@ class ForYouTimelineScorerCandidatePipelineConfig @Inject() (
   override val preFilterFeatureHydrationPhase1: Seq[
     BaseCandidateFeatureHydrator[ForYouQuery, TweetCandidate, _]
   ] = Seq(
+    namesFeatureHydrator,
     tweetypieFeatureHydrator,
-    sgsFeatureHydrator,
+    InNetworkFeatureHydrator,
     sgsValidSocialContextFeatureHydrator,
     perspectiveFilteredSocialContextFeatureHydrator,
-    namesFeatureHydrator
   )
 
   override def filters: Seq[Filter[ForYouQuery, TweetCandidate]] = Seq(
@@ -191,6 +194,7 @@ class ForYouTimelineScorerCandidatePipelineConfig @Inject() (
     FeedbackFatigueFilter,
     RejectTweetFromViewerFilter,
     SocialContextFilter,
+    invalidSubscriptionTweetFilter,
     InvalidConversationModuleFilter
   )
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerMixerPipelineConfig.scala
index b43c6ed673..441e5796d4 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerMixerPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerMixerPipelineConfig.scala
@@ -5,6 +5,7 @@ import com.twitter.goldfinch.api.AdsInjectionSurfaceAreas
 import com.twitter.home_mixer.candidate_pipeline.EditedTweetsCandidatePipelineConfig
 import com.twitter.home_mixer.candidate_pipeline.NewTweetsPillCandidatePipelineConfig
 import com.twitter.home_mixer.functional_component.decorator.urt.builder.AddEntriesWithReplaceAndShowAlertAndCoverInstructionBuilder
+import com.twitter.home_mixer.functional_component.feature_hydrator.FeedbackHistoryQueryFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator._
 import com.twitter.home_mixer.functional_component.selector.DebunchCandidates
 import com.twitter.home_mixer.functional_component.selector.UpdateConversationModuleId
@@ -13,21 +14,34 @@ import com.twitter.home_mixer.functional_component.selector.UpdateNewTweetsPillD
 import com.twitter.home_mixer.functional_component.side_effect._
 import com.twitter.home_mixer.model.ClearCacheIncludeInstruction
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
+import com.twitter.home_mixer.param.HomeGlobalParams.EnableImpressionBloomFilter
 import com.twitter.home_mixer.param.HomeGlobalParams.MaxNumberReplaceInstructionsParam
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeClientEventsFlag
 import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
+import com.twitter.home_mixer.product.for_you.feature_hydrator.TimelineServiceTweetsQueryFeatureHydrator
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.ClearCacheOnPtr
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableFlipInjectionModuleCandidatePipelineParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.FlipInlineInjectionModulePosition
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.ServerMaxResultsParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.TweetPreviewsPositionParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToFollowPositionParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToSubscribePositionParam
+import com.twitter.home_mixer.product.for_you.side_effect.ServedCandidateFeatureKeysKafkaSideEffectBuilder
+import com.twitter.home_mixer.product.for_you.side_effect.ServedCandidateKeysKafkaSideEffectBuilder
+import com.twitter.home_mixer.product.for_you.side_effect.ServedStatsSideEffect
 import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.inject.annotations.Flag
 import com.twitter.logpipeline.client.common.EventPublisher
 import com.twitter.product_mixer.component_library.feature_hydrator.query.async.AsyncQueryFeatureHydrator
 import com.twitter.product_mixer.component_library.feature_hydrator.query.impressed_tweets.ImpressedTweetsQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.param_gated.AsyncParamGatedQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.PreviewCreatorsQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersQueryFeatureHydrator
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.component_library.pipeline.candidate.flexible_injection_pipeline.FlipPromptCandidatePipelineConfigBuilder
-import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidatePipelineConfig
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowArmCandidatePipelineConfig
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_subscribe_module.WhoToSubscribeCandidatePipelineConfig
 import com.twitter.product_mixer.component_library.premarshaller.urt.UrtDomainMarshaller
 import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ClearCacheInstructionBuilder
 import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedBottomCursorBuilder
@@ -80,14 +94,18 @@ import javax.inject.Singleton
 @Singleton
 class ForYouTimelineScorerMixerPipelineConfig @Inject() (
   forYouTimelineScorerCandidatePipelineConfig: ForYouTimelineScorerCandidatePipelineConfig,
+  forYouPushToHomeTweetCandidatePipelineConfig: ForYouPushToHomeTweetCandidatePipelineConfig,
   forYouConversationServiceCandidatePipelineConfig: ForYouConversationServiceCandidatePipelineConfig,
-  forYouAdsCandidatePipelineBuilder: ForYouAdsCandidatePipelineBuilder,
+  forYouAdsDependentCandidatePipelineBuilder: ForYouAdsDependentCandidatePipelineBuilder,
   forYouWhoToFollowCandidatePipelineConfigBuilder: ForYouWhoToFollowCandidatePipelineConfigBuilder,
+  forYouWhoToSubscribeCandidatePipelineConfigBuilder: ForYouWhoToSubscribeCandidatePipelineConfigBuilder,
   flipPromptCandidatePipelineConfigBuilder: FlipPromptCandidatePipelineConfigBuilder,
   editedTweetsCandidatePipelineConfig: EditedTweetsCandidatePipelineConfig,
   newTweetsPillCandidatePipelineConfig: NewTweetsPillCandidatePipelineConfig[ForYouQuery],
+  forYouTweetPreviewsCandidatePipelineConfig: ForYouTweetPreviewsCandidatePipelineConfig,
   dismissInfoQueryFeatureHydrator: DismissInfoQueryFeatureHydrator,
   gizmoduckUserQueryFeatureHydrator: GizmoduckUserQueryFeatureHydrator,
+  impressionBloomFilterQueryFeatureHydrator: ImpressionBloomFilterQueryFeatureHydrator[ForYouQuery],
   manhattanTweetImpressionsQueryFeatureHydrator: TweetImpressionsQueryFeatureHydrator[ForYouQuery],
   memcacheTweetImpressionsQueryFeatureHydrator: ImpressedTweetsQueryFeatureHydrator,
   persistenceStoreQueryFeatureHydrator: PersistenceStoreQueryFeatureHydrator,
@@ -95,26 +113,32 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
   timelineServiceTweetsQueryFeatureHydrator: TimelineServiceTweetsQueryFeatureHydrator,
   lastNonPollingTimeQueryFeatureHydrator: LastNonPollingTimeQueryFeatureHydrator,
   feedbackHistoryQueryFeatureHydrator: FeedbackHistoryQueryFeatureHydrator,
+  previewCreatorsQueryFeatureHydrator: PreviewCreatorsQueryFeatureHydrator,
+  sgsFollowedUsersQueryFeatureHydrator: SGSFollowedUsersQueryFeatureHydrator,
   adsInjector: AdsInjector,
   servedCandidateKeysKafkaSideEffectBuilder: ServedCandidateKeysKafkaSideEffectBuilder,
   servedCandidateFeatureKeysKafkaSideEffectBuilder: ServedCandidateFeatureKeysKafkaSideEffectBuilder,
   updateLastNonPollingTimeSideEffect: UpdateLastNonPollingTimeSideEffect[ForYouQuery, Timeline],
   publishClientSentImpressionsEventBusSideEffect: PublishClientSentImpressionsEventBusSideEffect,
   publishClientSentImpressionsManhattanSideEffect: PublishClientSentImpressionsManhattanSideEffect,
+  publishImpressionBloomFilterSideEffect: PublishImpressionBloomFilterSideEffect,
   updateTimelinesPersistenceStoreSideEffect: UpdateTimelinesPersistenceStoreSideEffect,
   truncateTimelinesPersistenceStoreSideEffect: TruncateTimelinesPersistenceStoreSideEffect,
-  homeScribeServedEntriesSideEffect: HomeScribeServedEntriesSideEffect,
+  homeScribeServedCandidatesSideEffect: HomeScribeServedCandidatesSideEffect,
   servedStatsSideEffect: ServedStatsSideEffect,
   clientEventsScribeEventPublisher: EventPublisher[ca.LogEvent],
   externalStrings: HomeMixerExternalStrings,
   @ProductScoped stringCenterProvider: Provider[StringCenter],
-  urtTransportMarshaller: UrtTransportMarshaller)
+  urtTransportMarshaller: UrtTransportMarshaller,
+  @Flag(ScribeClientEventsFlag) enableScribeClientEvents: Boolean)
     extends MixerPipelineConfig[ForYouQuery, Timeline, urt.TimelineResponse] {
 
   override val identifier: MixerPipelineIdentifier = MixerPipelineIdentifier("ForYouTimelineScorer")
 
   private val MaxConsecutiveOutOfNetworkCandidates = 2
 
+  private val PushToHomeTweetPosition = 0
+
   private val dependentCandidatesStep = MixerPipelineConfig.dependentCandidatePipelinesStep
   private val resultSelectorsStep = MixerPipelineConfig.resultSelectorsStep
 
@@ -123,18 +147,31 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
     persistenceStoreQueryFeatureHydrator,
     timelineServiceTweetsQueryFeatureHydrator,
     feedbackHistoryQueryFeatureHydrator,
+    previewCreatorsQueryFeatureHydrator,
+    sgsFollowedUsersQueryFeatureHydrator,
     AsyncQueryFeatureHydrator(dependentCandidatesStep, dismissInfoQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(dependentCandidatesStep, gizmoduckUserQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(dependentCandidatesStep, lastNonPollingTimeQueryFeatureHydrator),
+    AsyncParamGatedQueryFeatureHydrator(
+      EnableImpressionBloomFilter,
+      resultSelectorsStep,
+      impressionBloomFilterQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(resultSelectorsStep, manhattanTweetImpressionsQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(resultSelectorsStep, memcacheTweetImpressionsQueryFeatureHydrator)
   )
 
-  private val forYouAdsCandidatePipelineConfig = forYouAdsCandidatePipelineBuilder.build()
+  private val timelineScorerCandidatePipelineScope =
+    SpecificPipeline(forYouTimelineScorerCandidatePipelineConfig.identifier)
+
+  private val forYouAdsCandidatePipelineConfig = forYouAdsDependentCandidatePipelineBuilder
+    .build(timelineScorerCandidatePipelineScope)
 
   private val forYouWhoToFollowCandidatePipelineConfig =
     forYouWhoToFollowCandidatePipelineConfigBuilder.build()
 
+  private val forYouWhoToSubscribeCandidatePipelineConfig =
+    forYouWhoToSubscribeCandidatePipelineConfigBuilder.build()
+
   private val flipPromptCandidatePipelineConfig =
     flipPromptCandidatePipelineConfigBuilder.build[ForYouQuery](
       supportedClientParam = Some(EnableFlipInjectionModuleCandidatePipelineParam)
@@ -142,14 +179,17 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
 
   override val candidatePipelines: Seq[CandidatePipelineConfig[ForYouQuery, _, _, _]] = Seq(
     forYouTimelineScorerCandidatePipelineConfig,
-    forYouAdsCandidatePipelineConfig,
+    forYouPushToHomeTweetCandidatePipelineConfig,
     forYouWhoToFollowCandidatePipelineConfig,
+    forYouWhoToSubscribeCandidatePipelineConfig,
+    forYouTweetPreviewsCandidatePipelineConfig,
     flipPromptCandidatePipelineConfig
   )
 
   override val dependentCandidatePipelines: Seq[
     DependentCandidatePipelineConfig[ForYouQuery, _, _, _]
   ] = Seq(
+    forYouAdsCandidatePipelineConfig,
     forYouConversationServiceCandidatePipelineConfig,
     editedTweetsCandidatePipelineConfig,
     newTweetsPillCandidatePipelineConfig
@@ -159,6 +199,8 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
     forYouTimelineScorerCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     forYouAdsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     forYouWhoToFollowCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+    forYouWhoToSubscribeCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+    forYouTweetPreviewsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     flipPromptCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     editedTweetsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
     newTweetsPillCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
@@ -202,13 +244,17 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
       candidatePipeline = editedTweetsCandidatePipelineConfig.identifier,
       maxSelectionsParam = MaxNumberReplaceInstructionsParam
     ),
-    DropModuleTooFewModuleItemResults(
-      candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
-      minModuleItemsParam = StaticParam(WhoToFollowCandidatePipelineConfig.MinCandidatesSize)
-    ),
     DropMaxModuleItemCandidates(
       candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
-      maxModuleItemsParam = StaticParam(WhoToFollowCandidatePipelineConfig.MaxCandidatesSize)
+      maxModuleItemsParam = StaticParam(WhoToFollowArmCandidatePipelineConfig.MaxCandidatesSize)
+    ),
+    DropModuleTooFewModuleItemResults(
+      candidatePipeline = forYouWhoToSubscribeCandidatePipelineConfig.identifier,
+      minModuleItemsParam = StaticParam(WhoToSubscribeCandidatePipelineConfig.MinCandidatesSize)
+    ),
+    DropMaxModuleItemCandidates(
+      candidatePipeline = forYouWhoToSubscribeCandidatePipelineConfig.identifier,
+      maxModuleItemsParam = StaticParam(WhoToSubscribeCandidatePipelineConfig.MaxCandidatesSize)
     ),
     // Add Conversation Service tweets to results only if the scored pipeline doesn't return any
     SelectConditionally(
@@ -219,20 +265,37 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
           forYouTimelineScorerCandidatePipelineConfig.identifier == candidate.source)
     ),
     InsertAppendResults(candidatePipeline = forYouTimelineScorerCandidatePipelineConfig.identifier),
+    InsertFixedPositionResults(
+      candidatePipeline = forYouTweetPreviewsCandidatePipelineConfig.identifier,
+      positionParam = TweetPreviewsPositionParam
+    ),
     InsertFixedPositionResults(
       candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
       positionParam = WhoToFollowPositionParam
     ),
+    InsertFixedPositionResults(
+      candidatePipeline = forYouWhoToSubscribeCandidatePipelineConfig.identifier,
+      positionParam = WhoToSubscribePositionParam
+    ),
     InsertFixedPositionResults(
       candidatePipeline = flipPromptCandidatePipelineConfig.identifier,
       positionParam = FlipInlineInjectionModulePosition
     ),
+    // Insert Push To Home Tweet at top of Timeline
+    InsertFixedPositionResults(
+      candidatePipeline = forYouPushToHomeTweetCandidatePipelineConfig.identifier,
+      positionParam = StaticParam(PushToHomeTweetPosition)
+    ),
     InsertAdResults(
       surfaceAreaName = AdsInjectionSurfaceAreas.HomeTimeline,
       adsInjector = adsInjector.forSurfaceArea(AdsInjectionSurfaceAreas.HomeTimeline),
       adsCandidatePipeline = forYouAdsCandidatePipelineConfig.identifier
     ),
     // This selector must come after the tweets are inserted into the results
+    DropModuleTooFewModuleItemResults(
+      candidatePipeline = forYouWhoToFollowCandidatePipelineConfig.identifier,
+      minModuleItemsParam = StaticParam(WhoToFollowArmCandidatePipelineConfig.MinCandidatesSize)
+    ),
     UpdateNewTweetsPillDecoration(
       pipelineScope = SpecificPipelines(
         forYouConversationServiceCandidatePipelineConfig.identifier,
@@ -266,27 +329,31 @@ class ForYouTimelineScorerMixerPipelineConfig @Inject() (
       Set(forYouTimelineScorerCandidatePipelineConfig.identifier))
 
   private val homeScribeClientEventSideEffect = HomeScribeClientEventSideEffect(
+    enableScribeClientEvents = enableScribeClientEvents,
     logPipelinePublisher = clientEventsScribeEventPublisher,
     injectedTweetsCandidatePipelineIdentifiers = Seq(
       forYouTimelineScorerCandidatePipelineConfig.identifier,
       forYouConversationServiceCandidatePipelineConfig.identifier
     ),
-    adsCandidatePipelineIdentifier = forYouAdsCandidatePipelineConfig.identifier,
+    adsCandidatePipelineIdentifier = Some(forYouAdsCandidatePipelineConfig.identifier),
     whoToFollowCandidatePipelineIdentifier =
       Some(forYouWhoToFollowCandidatePipelineConfig.identifier),
+    whoToSubscribeCandidatePipelineIdentifier =
+      Some(forYouWhoToSubscribeCandidatePipelineConfig.identifier)
   )
 
   override val resultSideEffects: Seq[PipelineResultSideEffect[ForYouQuery, Timeline]] = Seq(
-    servedCandidateKeysKafkaSideEffect,
-    servedCandidateFeatureKeysKafkaSideEffect,
-    updateLastNonPollingTimeSideEffect,
+    homeScribeClientEventSideEffect,
+    homeScribeServedCandidatesSideEffect,
     publishClientSentImpressionsEventBusSideEffect,
     publishClientSentImpressionsManhattanSideEffect,
-    updateTimelinesPersistenceStoreSideEffect,
+    publishImpressionBloomFilterSideEffect,
+    servedCandidateKeysKafkaSideEffect,
+    servedCandidateFeatureKeysKafkaSideEffect,
+    servedStatsSideEffect,
     truncateTimelinesPersistenceStoreSideEffect,
-    homeScribeClientEventSideEffect,
-    homeScribeServedEntriesSideEffect,
-    servedStatsSideEffect
+    updateLastNonPollingTimeSideEffect,
+    updateTimelinesPersistenceStoreSideEffect
   )
 
   override val domainMarshaller: DomainMarshaller[ForYouQuery, Timeline] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerResponseFeatureTransformer.scala
index dfae6a10fd..236ca9a265 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerResponseFeatureTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTimelineScorerResponseFeatureTransformer.scala
@@ -30,7 +30,11 @@ object ForYouTimelineScorerResponseFeatureTransformer
     AncestorsFeature,
     AudioSpaceMetaDataFeature,
     AuthorIdFeature,
-    AuthorIsEligibleForConnectBoostFeature,
+    AuthorIsBlueVerifiedFeature,
+    AuthorIsCreatorFeature,
+    AuthorIsGoldVerifiedFeature,
+    AuthorIsGrayVerifiedFeature,
+    AuthorIsLegacyVerifiedFeature,
     AuthoredByContextualUserFeature,
     CandidateSourceIdFeature,
     ConversationFeature,
@@ -47,6 +51,7 @@ object ForYouTimelineScorerResponseFeatureTransformer
     FromInNetworkSourceFeature,
     FullScoringSucceededFeature,
     HasDisplayedTextFeature,
+    InNetworkFeature,
     InReplyToTweetIdFeature,
     IsAncestorCandidateFeature,
     IsExtendedReplyFeature,
@@ -105,8 +110,7 @@ object ForYouTimelineScorerResponseFeatureTransformer
       val tcoLengthsPlusSpaces = 23 * numMedia + (if (numMedia > 0) numMedia - 1 else 0)
       length > tcoLengthsPlusSpaces
     }))
-    val suggestType = Some(
-      candidate.overrideSuggestType.getOrElse(tls.SuggestType.RankedTimelineTweet))
+    val suggestType = candidate.overrideSuggestType.orElse(Some(tls.SuggestType.Undefined))
 
     val topicSocialProofMetadataOpt = candidate.entityData.flatMap(_.topicSocialProofMetadata)
     val topicIdSocialContextOpt = topicSocialProofMetadataOpt.map(_.topicId)
@@ -129,9 +133,14 @@ object ForYouTimelineScorerResponseFeatureTransformer
         AudioSpaceMetaDataFeature,
         candidate.audioSpaceMetaDatalist.map(_.head).map(AudioSpaceMetaData.fromThrift))
       .add(AuthorIdFeature, Some(candidate.authorId))
+      .add(AuthorIsBlueVerifiedFeature, candidate.authorIsBlueVerified.getOrElse(false))
       .add(
-        AuthorIsEligibleForConnectBoostFeature,
-        candidate.authorIsEligibleForConnectBoost.getOrElse(false))
+        AuthorIsCreatorFeature,
+        candidate.authorIsCreator.getOrElse(false)
+      )
+      .add(AuthorIsGoldVerifiedFeature, candidate.authorIsGoldVerified.getOrElse(false))
+      .add(AuthorIsGrayVerifiedFeature, candidate.authorIsGrayVerified.getOrElse(false))
+      .add(AuthorIsLegacyVerifiedFeature, candidate.authorIsLegacyVerified.getOrElse(false))
       .add(
         AuthoredByContextualUserFeature,
         candidate.viewerId.contains(candidate.authorId) ||
@@ -151,6 +160,7 @@ object ForYouTimelineScorerResponseFeatureTransformer
       .add(TopicContextFunctionalityTypeFeature, topicContextFunctionalityTypeOpt)
       .add(FullScoringSucceededFeature, candidate.fullScoringSucceeded.getOrElse(false))
       .add(HasDisplayedTextFeature, hasDisplayedText)
+      .add(InNetworkFeature, candidate.isInNetwork.getOrElse(true))
       .add(InReplyToTweetIdFeature, candidate.inReplyToTweetId)
       .add(IsAncestorCandidateFeature, candidate.isAncestorCandidate.getOrElse(false))
       .add(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTweetPreviewsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTweetPreviewsCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..c60278bfb0
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouTweetPreviewsCandidatePipelineConfig.scala
@@ -0,0 +1,143 @@
+package com.twitter.home_mixer.product.for_you
+
+import com.twitter.home_mixer.functional_component.candidate_source.EarlybirdCandidateSource
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.filter.DropMaxCandidatesFilter
+import com.twitter.home_mixer.functional_component.filter.PreviouslyServedTweetPreviewsFilter
+import com.twitter.home_mixer.functional_component.gate.TimelinesPersistenceStoreLastInjectionGate
+import com.twitter.home_mixer.model.HomeFeatures.AuthorEnabledPreviewsFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
+import com.twitter.home_mixer.model.HomeFeatures.PersistenceEntriesFeature
+import com.twitter.home_mixer.product.for_you.feature_hydrator.AuthorEnabledPreviewsFeatureHydrator
+import com.twitter.home_mixer.product.for_you.feature_hydrator.TweetPreviewTweetypieCandidateFeatureHydrator
+import com.twitter.home_mixer.product.for_you.filter.TweetPreviewTextFilter
+import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableTweetPreviewsCandidatePipelineParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.TweetPreviewsMaxCandidatesParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.TweetPreviewsMinInjectionIntervalParam
+import com.twitter.home_mixer.product.for_you.query_transformer.TweetPreviewsQueryTransformer
+import com.twitter.home_mixer.product.for_you.response_transformer.TweetPreviewResponseFeatureTransformer
+import com.twitter.home_mixer.service.HomeMixerAlertConfig
+import com.twitter.product_mixer.component_library.decorator.urt.UrtItemCandidateDecorator
+import com.twitter.product_mixer.component_library.decorator.urt.builder.contextual_ref.ContextualTweetRefBuilder
+import com.twitter.product_mixer.component_library.decorator.urt.builder.item.tweet.TweetCandidateUrtItemBuilder
+import com.twitter.product_mixer.component_library.decorator.urt.builder.metadata.ClientEventInfoBuilder
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.PreviewCreatorsFeature
+import com.twitter.product_mixer.component_library.filter.FeatureFilter
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSourceWithExtractedFeatures
+import com.twitter.product_mixer.core.functional_component.common.alert.Alert
+import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.model.marshalling.response.rtf.safety_level.TimelineHomeTweetPreviewHydrationSafetyLevel
+import com.twitter.product_mixer.core.model.marshalling.response.urt.contextual_ref.TweetHydrationContext
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelines.configapi.FSParam
+import com.twitter.timelines.injection.scribe.InjectionScribeUtil
+import com.twitter.timelineservice.model.rich.EntityIdType
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ForYouTweetPreviewsCandidatePipelineConfig @Inject() (
+  earlybirdCandidateSource: EarlybirdCandidateSource,
+  authorEnabledPreviewsFeatureHydrator: AuthorEnabledPreviewsFeatureHydrator,
+  tweetPreviewsQueryTransformer: TweetPreviewsQueryTransformer,
+  tweetPreviewTweetypieCandidateFeatureHydrator: TweetPreviewTweetypieCandidateFeatureHydrator,
+  homeFeedbackActionInfoBuilder: HomeFeedbackActionInfoBuilder)
+    extends CandidatePipelineConfig[
+      ForYouQuery,
+      eb.EarlybirdRequest,
+      eb.ThriftSearchResult,
+      TweetCandidate
+    ] {
+
+  val identifier: CandidatePipelineIdentifier = CandidatePipelineIdentifier("ForYouTweetPreviews")
+
+  override val supportedClientParam: Option[FSParam[Boolean]] =
+    Some(EnableTweetPreviewsCandidatePipelineParam)
+
+  override val gates: Seq[Gate[ForYouQuery]] = {
+    Seq(
+      TimelinesPersistenceStoreLastInjectionGate(
+        TweetPreviewsMinInjectionIntervalParam,
+        PersistenceEntriesFeature,
+        EntityIdType.TweetPreview
+      ),
+      NonEmptySeqFeatureGate(PreviewCreatorsFeature)
+    )
+  }
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    PipelineQuery,
+    eb.EarlybirdRequest
+  ] = tweetPreviewsQueryTransformer
+
+  override val candidateSource: CandidateSourceWithExtractedFeatures[
+    eb.EarlybirdRequest,
+    eb.ThriftSearchResult
+  ] = earlybirdCandidateSource
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[eb.ThriftSearchResult]
+  ] = Seq(TweetPreviewResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    eb.ThriftSearchResult,
+    TweetCandidate
+  ] = { tweet => TweetCandidate(tweet.id) }
+
+  override val preFilterFeatureHydrationPhase1: Seq[
+    BaseCandidateFeatureHydrator[ForYouQuery, TweetCandidate, _]
+  ] = Seq(
+    authorEnabledPreviewsFeatureHydrator,
+    tweetPreviewTweetypieCandidateFeatureHydrator,
+  )
+
+  override val filters: Seq[
+    Filter[ForYouQuery, TweetCandidate]
+  ] = Seq(
+    PreviouslyServedTweetPreviewsFilter,
+    FeatureFilter
+      .fromFeature(FilterIdentifier("TweetPreviewVisibilityFiltering"), IsHydratedFeature),
+    FeatureFilter
+      .fromFeature(FilterIdentifier("AuthorEnabledPreviews"), AuthorEnabledPreviewsFeature),
+    TweetPreviewTextFilter,
+    DropMaxCandidatesFilter(TweetPreviewsMaxCandidatesParam)
+  )
+
+  override val decorator: Option[CandidateDecorator[PipelineQuery, TweetCandidate]] = {
+    val component = InjectionScribeUtil.scribeComponent(st.SuggestType.TweetPreview).get
+    val clientEventInfoBuilder = ClientEventInfoBuilder[PipelineQuery, TweetCandidate](component)
+
+    val tweetItemBuilder = TweetCandidateUrtItemBuilder[PipelineQuery, TweetCandidate](
+      clientEventInfoBuilder = clientEventInfoBuilder,
+      contextualTweetRefBuilder = Some(
+        ContextualTweetRefBuilder(
+          TweetHydrationContext(
+            safetyLevelOverride = Some(TimelineHomeTweetPreviewHydrationSafetyLevel),
+            outerTweetContext = None
+          )
+        )
+      ),
+      feedbackActionInfoBuilder = Some(homeFeedbackActionInfoBuilder),
+    )
+
+    Some(UrtItemCandidateDecorator(tweetItemBuilder))
+  }
+
+  override val alerts: Seq[Alert] = Seq(
+    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(95))
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToFollowCandidatePipelineConfigBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToFollowCandidatePipelineConfigBuilder.scala
index 0f01c9e148..856f1fa6b2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToFollowCandidatePipelineConfigBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToFollowCandidatePipelineConfigBuilder.scala
@@ -8,13 +8,13 @@ import com.twitter.home_mixer.model.HomeFeatures.PersistenceEntriesFeature
 import com.twitter.home_mixer.model.HomeFeatures.WhoToFollowExcludedUserIdsFeature
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableWhoToFollowCandidatePipelineParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToFollowDisplayLocationParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToFollowDisplayTypeIdParam
 import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToFollowMinInjectionIntervalParam
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.component_library.decorator.urt.builder.timeline_module.ParamWhoToFollowModuleDisplayTypeBuilder
-import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidatePipelineConfig
-import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowCandidatePipelineConfigBuilder
-import com.twitter.product_mixer.core.functional_component.configapi.StaticParam
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowArmCandidatePipelineConfig
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_follow_module.WhoToFollowArmCandidatePipelineConfigBuilder
 import com.twitter.product_mixer.core.functional_component.gate.Gate
 import com.twitter.timelineservice.model.rich.EntityIdType
 import com.twitter.timelineservice.suggests.thriftscala.SuggestType
@@ -23,13 +23,10 @@ import javax.inject.Singleton
 
 @Singleton
 class ForYouWhoToFollowCandidatePipelineConfigBuilder @Inject() (
-  whoToFollowCandidatePipelineConfigBuilder: WhoToFollowCandidatePipelineConfigBuilder,
+  whoToFollowArmCandidatePipelineConfigBuilder: WhoToFollowArmCandidatePipelineConfigBuilder,
   homeWhoToFollowFeedbackActionInfoBuilder: HomeWhoToFollowFeedbackActionInfoBuilder) {
 
-  // People Discovery module timeout is set to 350ms currently so use faster display location here
-  private val DisplayLocation = "timeline_reverse_chron"
-
-  def build(): WhoToFollowCandidatePipelineConfig[ForYouQuery] = {
+  def build(): WhoToFollowArmCandidatePipelineConfig[ForYouQuery] = {
     val gates: Seq[Gate[ForYouQuery]] = Seq(
       TimelinesPersistenceStoreLastInjectionGate(
         WhoToFollowMinInjectionIntervalParam,
@@ -39,8 +36,8 @@ class ForYouWhoToFollowCandidatePipelineConfigBuilder @Inject() (
       DismissFatigueGate(SuggestType.WhoToFollow, DismissInfoFeature)
     )
 
-    whoToFollowCandidatePipelineConfigBuilder.build[ForYouQuery](
-      identifier = WhoToFollowCandidatePipelineConfig.identifier,
+    whoToFollowArmCandidatePipelineConfigBuilder.build[ForYouQuery](
+      identifier = WhoToFollowArmCandidatePipelineConfig.identifier,
       supportedClientParam = Some(EnableWhoToFollowCandidatePipelineParam),
       alerts = alerts,
       gates = gates,
@@ -48,7 +45,7 @@ class ForYouWhoToFollowCandidatePipelineConfigBuilder @Inject() (
         ParamWhoToFollowModuleDisplayTypeBuilder(WhoToFollowDisplayTypeIdParam),
       feedbackActionInfoBuilder = Some(homeWhoToFollowFeedbackActionInfoBuilder),
       excludedUserIdsFeature = Some(WhoToFollowExcludedUserIdsFeature),
-      displayLocationParam = StaticParam(DisplayLocation)
+      displayLocationParam = WhoToFollowDisplayLocationParam
     )
   }
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToSubscribeCandidatePipelineConfigBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToSubscribeCandidatePipelineConfigBuilder.scala
new file mode 100644
index 0000000000..bd4437b7c5
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/ForYouWhoToSubscribeCandidatePipelineConfigBuilder.scala
@@ -0,0 +1,52 @@
+package com.twitter.home_mixer.product.for_you
+
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeWhoToSubscribeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.gate.DismissFatigueGate
+import com.twitter.home_mixer.functional_component.gate.TimelinesPersistenceStoreLastInjectionGate
+import com.twitter.home_mixer.model.HomeFeatures.DismissInfoFeature
+import com.twitter.home_mixer.model.HomeFeatures.PersistenceEntriesFeature
+import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableWhoToSubscribeCandidatePipelineParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToSubscribeDisplayTypeIdParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.WhoToSubscribeMinInjectionIntervalParam
+import com.twitter.home_mixer.service.HomeMixerAlertConfig
+import com.twitter.product_mixer.component_library.decorator.urt.builder.timeline_module.ParamWhoToFollowModuleDisplayTypeBuilder
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_subscribe_module.WhoToSubscribeCandidatePipelineConfig
+import com.twitter.product_mixer.component_library.pipeline.candidate.who_to_subscribe_module.WhoToSubscribeCandidatePipelineConfigBuilder
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.timelineservice.model.rich.EntityIdType
+import com.twitter.timelineservice.suggests.thriftscala.SuggestType
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ForYouWhoToSubscribeCandidatePipelineConfigBuilder @Inject() (
+  whoToSubscribeCandidatePipelineConfigBuilder: WhoToSubscribeCandidatePipelineConfigBuilder,
+  homeWhoToSubscribeFeedbackActionInfoBuilder: HomeWhoToSubscribeFeedbackActionInfoBuilder) {
+
+  def build(): WhoToSubscribeCandidatePipelineConfig[ForYouQuery] = {
+    val gates: Seq[Gate[ForYouQuery]] = Seq(
+      TimelinesPersistenceStoreLastInjectionGate(
+        WhoToSubscribeMinInjectionIntervalParam,
+        PersistenceEntriesFeature,
+        EntityIdType.WhoToSubscribe
+      ),
+      DismissFatigueGate(SuggestType.WhoToSubscribe, DismissInfoFeature)
+    )
+
+    whoToSubscribeCandidatePipelineConfigBuilder.build[ForYouQuery](
+      identifier = WhoToSubscribeCandidatePipelineConfig.identifier,
+      supportedClientParam = Some(EnableWhoToSubscribeCandidatePipelineParam),
+      alerts = alerts,
+      gates = gates,
+      moduleDisplayTypeBuilder =
+        ParamWhoToFollowModuleDisplayTypeBuilder(WhoToSubscribeDisplayTypeIdParam),
+      feedbackActionInfoBuilder = Some(homeWhoToSubscribeFeedbackActionInfoBuilder)
+    )
+  }
+
+  private val alerts = Seq(
+    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(70),
+    HomeMixerAlertConfig.BusinessHours.defaultEmptyResponseRateAlert()
+  )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/BUILD.bazel
index ed317eb09d..5408238005 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/BUILD.bazel
@@ -8,15 +8,14 @@ scala_library(
         "finatra/inject/inject-core/src/main/scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/cursor",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source/product_pipeline",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
         "src/thrift/com/twitter/search:earlybird-scala",
-        "src/thrift/com/twitter/timelinemixer:thrift-scala",
         "stitch/stitch-timelineservice/src/main/scala",
     ],
     exports = [
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/ScoredTweetsProductCandidateSource.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/ScoredTweetsProductCandidateSource.scala
index db15a2cac3..d1daeb93e5 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/ScoredTweetsProductCandidateSource.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/candidate_source/ScoredTweetsProductCandidateSource.scala
@@ -2,11 +2,13 @@ package com.twitter.home_mixer.product.for_you.candidate_source
 
 import com.google.inject.Provider
 import com.twitter.home_mixer.model.HomeFeatures.ServedTweetIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.model.request.HomeMixerRequest
 import com.twitter.home_mixer.model.request.ScoredTweetsProduct
 import com.twitter.home_mixer.model.request.ScoredTweetsProductContext
 import com.twitter.home_mixer.product.for_you.model.ForYouQuery
 import com.twitter.home_mixer.{thriftscala => t}
+import com.twitter.product_mixer.component_library.premarshaller.cursor.UrtCursorSerializer
 import com.twitter.product_mixer.core.functional_component.candidate_source.product_pipeline.ProductPipelineCandidateSource
 import com.twitter.product_mixer.core.functional_component.configapi.ParamsBuilder
 import com.twitter.product_mixer.core.model.common.identifier.CandidateSourceIdentifier
@@ -33,15 +35,22 @@ case class ScoredTweetWithConversationMetadata(
   inReplyToUserId: Option[Long] = None,
   directedAtUserId: Option[Long] = None,
   inNetwork: Option[Boolean] = None,
-  favoritedByUserIds: Option[Seq[Long]] = None,
-  followedByUserIds: Option[Seq[Long]] = None,
+  sgsValidLikedByUserIds: Option[Seq[Long]] = None,
+  sgsValidFollowedByUserIds: Option[Seq[Long]] = None,
   ancestors: Option[Seq[ta.TweetAncestor]] = None,
   topicId: Option[Long] = None,
   topicFunctionalityType: Option[tl.TopicContextFunctionalityType] = None,
   conversationId: Option[Long] = None,
   conversationFocalTweetId: Option[Long] = None,
   isReadFromCache: Option[Boolean] = None,
-  streamToKafka: Option[Boolean] = None)
+  streamToKafka: Option[Boolean] = None,
+  exclusiveConversationAuthorId: Option[Long] = None,
+  authorIsBlueVerified: Option[Boolean] = None,
+  authorIsGoldVerified: Option[Boolean] = None,
+  authorIsGrayVerified: Option[Boolean] = None,
+  authorIsLegacyVerified: Option[Boolean] = None,
+  authorIsCreator: Option[Boolean] = None,
+  perspectiveFilteredLikedByUserIds: Option[Seq[Long]] = None)
 
 @Singleton
 class ScoredTweetsProductCandidateSource @Inject() (
@@ -68,9 +77,11 @@ class ScoredTweetsProductCandidateSource @Inject() (
         ScoredTweetsProductContext(
           productPipelineQuery.deviceContext,
           productPipelineQuery.seenTweetIds,
-          productPipelineQuery.features.map(_.getOrElse(ServedTweetIdsFeature, Seq.empty))
+          productPipelineQuery.features.map(_.getOrElse(ServedTweetIdsFeature, Seq.empty)),
+          productPipelineQuery.features.map(_.getOrElse(TimelineServiceTweetsFeature, Seq.empty))
         )),
-      serializedRequestCursor = None,
+      serializedRequestCursor =
+        productPipelineQuery.pipelineCursor.map(UrtCursorSerializer.serializeCursor),
       maxResults = productPipelineQuery.requestedMaxResults,
       debugParams = None,
       homeRequestParam = false
@@ -91,7 +102,8 @@ class ScoredTweetsProductCandidateSource @Inject() (
           authorId = ancestor.userId,
           suggestType = focalTweet.suggestType,
           conversationId = Some(ancestor.tweetId),
-          conversationFocalTweetId = Some(focalTweet.tweetId)
+          conversationFocalTweetId = Some(focalTweet.tweetId),
+          exclusiveConversationAuthorId = focalTweet.exclusiveConversationAuthorId
         )
       }
       val conversationId = rootScoredTweet.headOption.map(_.tweetId)
@@ -107,7 +119,8 @@ class ScoredTweetsProductCandidateSource @Inject() (
           suggestType = focalTweet.suggestType,
           inReplyToTweetId = tweetsToParents.get(ancestor).map(_.tweetId),
           conversationId = conversationId,
-          conversationFocalTweetId = Some(focalTweet.tweetId)
+          conversationFocalTweetId = Some(focalTweet.tweetId),
+          exclusiveConversationAuthorId = focalTweet.exclusiveConversationAuthorId
         )
       }
       val parentScoredTweets = rootScoredTweet ++ intermediateScoredTweets
@@ -128,15 +141,22 @@ class ScoredTweetsProductCandidateSource @Inject() (
         inReplyToUserId = focalTweet.inReplyToUserId,
         directedAtUserId = focalTweet.directedAtUserId,
         inNetwork = focalTweet.inNetwork,
-        favoritedByUserIds = focalTweet.favoritedByUserIds,
-        followedByUserIds = focalTweet.followedByUserIds,
+        sgsValidLikedByUserIds = focalTweet.sgsValidLikedByUserIds,
+        sgsValidFollowedByUserIds = focalTweet.sgsValidFollowedByUserIds,
         topicId = focalTweet.topicId,
         topicFunctionalityType = focalTweet.topicFunctionalityType,
         ancestors = focalTweet.ancestors,
         conversationId = conversationId,
         conversationFocalTweetId = conversationFocalTweetId,
         isReadFromCache = focalTweet.isReadFromCache,
-        streamToKafka = focalTweet.streamToKafka
+        streamToKafka = focalTweet.streamToKafka,
+        exclusiveConversationAuthorId = focalTweet.exclusiveConversationAuthorId,
+        authorIsBlueVerified = focalTweet.authorMetadata.map(_.blueVerified),
+        authorIsGoldVerified = focalTweet.authorMetadata.map(_.goldVerified),
+        authorIsGrayVerified = focalTweet.authorMetadata.map(_.grayVerified),
+        authorIsLegacyVerified = focalTweet.authorMetadata.map(_.legacyVerified),
+        authorIsCreator = focalTweet.authorMetadata.map(_.creator),
+        perspectiveFilteredLikedByUserIds = focalTweet.perspectiveFilteredLikedByUserIds
       )
 
       parentScoredTweets :+ focalScoredTweet
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/AuthorEnabledPreviewsFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/AuthorEnabledPreviewsFeatureHydrator.scala
new file mode 100644
index 0000000000..f93a5041f6
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/AuthorEnabledPreviewsFeatureHydrator.scala
@@ -0,0 +1,72 @@
+package com.twitter.home_mixer.product.for_you.feature_hydrator
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorEnabledPreviewsFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+import com.twitter.strato.generated.client.audiencerewards.audienceRewardsService.GetCreatorPreferencesOnUserClientColumn
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Hydrates the `AuthorEnabledPreviews` feature for tweets authored by creators by querying the
+ * `GetCreatorPreferences` Strato column. This feature corresponds to the `previews_enabled` field of that column.
+ * Given a tweet from a creator, this feature indicates whether that creator has enabled previews
+ * on their profile.
+ */
+@Singleton
+class AuthorEnabledPreviewsFeatureHydrator @Inject() (
+  getCreatorPreferencesOnUserClientColumn: GetCreatorPreferencesOnUserClientColumn)
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("AuthorEnabledPreviews")
+
+  override val features: Set[Feature[_, _]] = Set(AuthorEnabledPreviewsFeature)
+
+  private val fetcher = getCreatorPreferencesOnUserClientColumn.fetcher
+
+  private val DefaultAuthorEnabledPreviewsValue = true
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = {
+    val candidateAuthors = candidates
+      .map(_.features.getOrElse(AuthorIdFeature, None))
+      .toSet
+      .flatten
+
+    // Build a map of creator -> authorEnabledPreviews, then use it to populate candidate features
+    val authorIdToFeatureStitch = Stitch.collect {
+      candidateAuthors
+        .map { author =>
+          val isAuthorEnabledPreviews = fetcher.fetch(author).map {
+              _.v.map(_.previewsEnabled).getOrElse(DefaultAuthorEnabledPreviewsValue)
+          }
+          (author, isAuthorEnabledPreviews)
+        }.toMap
+    }
+
+    authorIdToFeatureStitch.map { authorIdToFeatureMap =>
+      candidates.map {
+        _.features.getOrElse(AuthorIdFeature, None) match {
+          case Some(authorId) => FeatureMapBuilder()
+            .add(AuthorEnabledPreviewsFeature, authorIdToFeatureMap(authorId))
+            .build()
+          case _ => FeatureMapBuilder()
+            .add(AuthorEnabledPreviewsFeature, DefaultAuthorEnabledPreviewsValue)
+            .build()
+        }
+      }
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/BUILD.bazel
new file mode 100644
index 0000000000..87a260b7ee
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/BUILD.bazel
@@ -0,0 +1,28 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "audience-rewards/thrift/src/main/thrift/common:thrift-scala",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/tweet_tweetypie",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/feature_hydrator",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/util",
+        "src/thrift/com/twitter/socialgraph:thrift-scala",
+        "stitch/stitch-core",
+        "stitch/stitch-socialgraph",
+        "stitch/stitch-timelineservice",
+        "strato/config/columns/audiencerewards/audienceRewardsService:audienceRewardsService-strato-client",
+        "strato/src/main/scala/com/twitter/strato/client",
+        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/feedback",
+        "timelineservice/common/src/main/scala/com/twitter/timelineservice/model",
+        "util/util-core",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FocalTweetFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/FocalTweetFeatureHydrator.scala
similarity index 98%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FocalTweetFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/FocalTweetFeatureHydrator.scala
index 79500a7b42..0270a81ab0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/FocalTweetFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/FocalTweetFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.for_you.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleFocalTweetIdFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala
index fc9727cb77..e0ae2207e6 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TimelineServiceTweetsQueryFeatureHydrator.scala
@@ -1,6 +1,7 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.for_you.feature_hydrator
 
 import com.twitter.home_mixer.marshaller.timelines.DeviceContextMarshaller
+import com.twitter.home_mixer.model.HomeFeatures.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.model.request.DeviceContext
 import com.twitter.home_mixer.model.request.HasDeviceContext
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
@@ -16,8 +17,6 @@ import com.twitter.timelineservice.{thriftscala => t}
 import javax.inject.Inject
 import javax.inject.Singleton
 
-object TimelineServiceTweetsFeature extends Feature[PipelineQuery, Seq[Long]]
-
 @Singleton
 case class TimelineServiceTweetsQueryFeatureHydrator @Inject() (
   timelineService: TimelineService,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TweetPreviewTweetypieCandidateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TweetPreviewTweetypieCandidateFeatureHydrator.scala
new file mode 100644
index 0000000000..07f3ae0e95
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/feature_hydrator/TweetPreviewTweetypieCandidateFeatureHydrator.scala
@@ -0,0 +1,72 @@
+package com.twitter.home_mixer.product.for_you.feature_hydrator
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
+import com.twitter.home_mixer.model.HomeFeatures.TweetTextFeature
+import com.twitter.product_mixer.component_library.model.candidate.BaseTweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.spam.rtf.{thriftscala => rtf}
+import com.twitter.stitch.Stitch
+import com.twitter.stitch.tweetypie.{TweetyPie => TweetypieStitchClient}
+import com.twitter.tweetypie.{thriftscala => TP}
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class TweetPreviewTweetypieCandidateFeatureHydrator @Inject() (
+  tweetypieStitchClient: TweetypieStitchClient)
+    extends CandidateFeatureHydrator[PipelineQuery, BaseTweetCandidate] {
+
+  private val CoreTweetFields: Set[TP.TweetInclude] = Set[TP.TweetInclude](
+    TP.TweetInclude.TweetFieldId(TP.Tweet.IdField.id),
+    TP.TweetInclude.TweetFieldId(TP.Tweet.CoreDataField.id)
+  )
+
+  private val DefaultFeatureMap = FeatureMapBuilder()
+    .add(TweetTextFeature, None)
+    .add(IsHydratedFeature, false)
+    .add(AuthorIdFeature, None)
+    .build()
+
+  override val features: Set[Feature[_, _]] =
+    Set(TweetTextFeature, IsHydratedFeature, AuthorIdFeature)
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("TweetPreviewTweetypie")
+
+  override def apply(
+    query: PipelineQuery,
+    candidate: BaseTweetCandidate,
+    existingFeatures: FeatureMap
+  ): Stitch[FeatureMap] = {
+    tweetypieStitchClient
+      .getTweetFields(
+        tweetId = candidate.id,
+        options = TP.GetTweetFieldsOptions(
+          tweetIncludes = CoreTweetFields,
+          includeRetweetedTweet = false,
+          includeQuotedTweet = false,
+          visibilityPolicy = TP.TweetVisibilityPolicy.UserVisible,
+          safetyLevel = Some(rtf.SafetyLevel.TimelineHomeTweetPreview),
+          forUserId = query.getOptionalUserId
+        )
+      ).map {
+        case TP.GetTweetFieldsResult(_, TP.TweetFieldsResultState.Found(found), quoteOpt, _) =>
+          val tweetText = found.tweet.coreData.map(_.text)
+          FeatureMapBuilder()
+            .add(TweetTextFeature, tweetText)
+            .add(IsHydratedFeature, true)
+            .add(AuthorIdFeature, found.tweet.coreData.map(_.userId))
+            .build()
+        // If no tweet result found, return default features
+        case _ =>
+          DefaultFeatureMap
+      }
+
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/BUILD.bazel
new file mode 100644
index 0000000000..0a875371d8
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/BUILD.bazel
@@ -0,0 +1,15 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/filter",
+        "stitch/stitch-core",
+        "timelineservice/common/src/main/scala/com/twitter/timelineservice/model",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/SocialContextFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/SocialContextFilter.scala
new file mode 100644
index 0000000000..5b007969bd
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/SocialContextFilter.scala
@@ -0,0 +1,76 @@
+package com.twitter.home_mixer.product.for_you.filter
+
+import com.twitter.home_mixer.model.HomeFeatures._
+import com.twitter.home_mixer.product.for_you.param.ForYouParam
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.filter.FilterResult
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+
+object SocialContextFilter extends Filter[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FilterIdentifier = FilterIdentifier("SocialContext")
+
+  // Tweets from candidate sources which don't need generic like/follow/topic proof
+  private val AllowedSources: Set[st.SuggestType] = Set(
+    st.SuggestType.RankedListTweet,
+    st.SuggestType.RecommendedTrendTweet,
+    st.SuggestType.MediaTweet
+  )
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[FilterResult[TweetCandidate]] = {
+    val enableIsVerifiedAuthorFilter =
+      query.params(ForYouParam.EnableVerifiedAuthorSocialContextBypassParam)
+
+    val enableTopicSocialContextFilter =
+      query.params(ForYouParam.EnableTopicSocialContextFilterParam)
+
+    val validTweetIds = candidates
+      .filter { candidate =>
+        candidate.features.getOrElse(InNetworkFeature, true) ||
+        candidate.features.getOrElse(SuggestTypeFeature, None).exists(AllowedSources.contains) ||
+        candidate.features.getOrElse(ConversationModuleFocalTweetIdFeature, None).isDefined ||
+        (enableIsVerifiedAuthorFilter && isVerifiedAuthor(candidate.features)) ||
+        hasLikedBySocialContext(candidate.features) ||
+        hasFollowedBySocialContext(candidate.features) ||
+        (enableTopicSocialContextFilter && hasTopicSocialContext(candidate.features))
+      }.map(_.candidate.id).toSet
+
+    val (kept, removed) =
+      candidates.map(_.candidate).partition(candidate => validTweetIds.contains(candidate.id))
+
+    Stitch.value(FilterResult(kept = kept, removed = removed))
+  }
+
+  private def isVerifiedAuthor(candidateFeatures: FeatureMap): Boolean = {
+    candidateFeatures.getOrElse(AuthorIsBlueVerifiedFeature, false) ||
+    candidateFeatures.getOrElse(AuthorIsGoldVerifiedFeature, false) ||
+    candidateFeatures.getOrElse(AuthorIsGrayVerifiedFeature, false) ||
+    candidateFeatures.getOrElse(AuthorIsLegacyVerifiedFeature, false)
+  }
+
+  private def hasLikedBySocialContext(candidateFeatures: FeatureMap): Boolean =
+    candidateFeatures
+      .getOrElse(SGSValidLikedByUserIdsFeature, Seq.empty)
+      .exists(
+        candidateFeatures
+          .getOrElse(PerspectiveFilteredLikedByUserIdsFeature, Seq.empty)
+          .toSet.contains
+      )
+
+  private def hasFollowedBySocialContext(candidateFeatures: FeatureMap): Boolean =
+    candidateFeatures.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty).nonEmpty
+
+  private def hasTopicSocialContext(candidateFeatures: FeatureMap): Boolean = {
+    candidateFeatures.getOrElse(TopicIdSocialContextFeature, None).isDefined &&
+    candidateFeatures.getOrElse(TopicContextFunctionalityTypeFeature, None).isDefined
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/TweetPreviewTextFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/TweetPreviewTextFilter.scala
new file mode 100644
index 0000000000..61125fcd33
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/filter/TweetPreviewTextFilter.scala
@@ -0,0 +1,44 @@
+package com.twitter.home_mixer.product.for_you.filter
+
+import com.twitter.home_mixer.model.HomeFeatures.TweetTextFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.filter.FilterResult
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+
+object TweetPreviewTextFilter extends Filter[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FilterIdentifier = FilterIdentifier("TweetPreviewText")
+
+  private val PreviewTextLength = 50
+  private val MinTweetLength = PreviewTextLength * 2
+  private val MaxNewlines = 2
+  private val HttpPrefix = "http://"
+  private val HttpsPrefix = "https://"
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[FilterResult[TweetCandidate]] = {
+
+    val (kept, removed) = candidates
+      .partition { candidate =>
+        val text = candidate.features.get(TweetTextFeature).getOrElse("")
+
+        text.length > MinTweetLength &&
+        text.take(PreviewTextLength).count(_ == '\n') <= MaxNewlines &&
+        !(text.startsWith(HttpPrefix) || text.startsWith(HttpsPrefix))
+      }
+
+    val filterResult = FilterResult(
+      kept = kept.map(_.candidate),
+      removed = removed.map(_.candidate)
+    )
+
+    Stitch.value(filterResult)
+  }
+
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/BUILD.bazel
new file mode 100644
index 0000000000..9a1d186dde
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/BUILD.bazel
@@ -0,0 +1,13 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/common",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/gate",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/PushToHomeRequestGate.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/PushToHomeRequestGate.scala
new file mode 100644
index 0000000000..4c9d81021f
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/functional_component/gate/PushToHomeRequestGate.scala
@@ -0,0 +1,16 @@
+package com.twitter.home_mixer.product.for_you.functional_component.gate
+
+import com.twitter.home_mixer.product.for_you.model.ForYouQuery
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.model.common.identifier.GateIdentifier
+import com.twitter.stitch.Stitch
+
+/**
+ * Continues when the request is a Push-To-Home notification request
+ */
+object PushToHomeRequestGate extends Gate[ForYouQuery] {
+  override val identifier: GateIdentifier = GateIdentifier("PushToHomeRequest")
+
+  override def shouldContinue(query: ForYouQuery): Stitch[Boolean] =
+    Stitch.value(query.pushToHomeTweetId.isDefined)
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model/ForYouQuery.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model/ForYouQuery.scala
index ec701ac602..dda4273505 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model/ForYouQuery.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/model/ForYouQuery.scala
@@ -26,7 +26,8 @@ case class ForYouQuery(
   override val features: Option[FeatureMap],
   override val deviceContext: Option[DeviceContext],
   override val seenTweetIds: Option[Seq[Long]],
-  override val dspClientContext: Option[dsp.DspClientContext])
+  override val dspClientContext: Option[dsp.DspClientContext],
+  pushToHomeTweetId: Option[Long])
     extends PipelineQuery
     with HasPipelineCursor[UrtOrderedCursor]
     with HasDeviceContext
@@ -47,4 +48,5 @@ case class ForYouQuery(
   override val isEmptyState: Option[Boolean] = None
   override val isFirstRequestAfterSignup: Option[Boolean] = None
   override val isEndOfTimeline: Option[Boolean] = None
+  override val timelineId: Option[Long] = None
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParam.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParam.scala
index 0ed56a3f88..5d117199f6 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParam.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParam.scala
@@ -14,10 +14,22 @@ import com.twitter.util.Duration
 object ForYouParam {
   val SupportedClientFSName = "for_you_supported_client"
 
+  object EnableTopicSocialContextFilterParam
+      extends FSParam[Boolean](
+        name = "for_you_enable_topic_social_context_filter",
+        default = true
+      )
+
+  object EnableVerifiedAuthorSocialContextBypassParam
+      extends FSParam[Boolean](
+        name = "for_you_enable_verified_author_social_context_bypass",
+        default = true
+      )
+
   object EnableTimelineScorerCandidatePipelineParam
       extends FSParam[Boolean](
         name = "for_you_enable_timeline_scorer_candidate_pipeline",
-        default = true
+        default = false
       )
 
   object EnableScoredTweetsCandidatePipelineParam
@@ -29,6 +41,24 @@ object ForYouParam {
         default = true
       )
 
+  object EnableWhoToSubscribeCandidatePipelineParam
+      extends FSParam[Boolean](
+        name = "for_you_enable_who_to_subscribe",
+        default = true
+      )
+
+  object EnableTweetPreviewsCandidatePipelineParam
+      extends FSParam[Boolean](
+        name = "for_you_enable_tweet_previews_candidate_pipeline",
+        default = true
+      )
+
+  object EnablePushToHomeMixerPipelineParam
+      extends FSParam[Boolean](
+        name = "for_you_enable_push_to_home_mixer_pipeline",
+        default = false
+      )
+
   object EnableScoredTweetsMixerPipelineParam
       extends FSParam[Boolean](
         name = "for_you_enable_scored_tweets_mixer_pipeline",
@@ -43,14 +73,6 @@ object ForYouParam {
         max = 500
       )
 
-  object TimelineServiceMaxResultsParam
-      extends FSBoundedParam[Int](
-        name = "for_you_timeline_service_max_results",
-        default = 800,
-        min = 1,
-        max = 800
-      )
-
   object AdsNumOrganicItemsParam
       extends FSBoundedParam[Int](
         name = "for_you_ads_num_organic_items",
@@ -84,6 +106,65 @@ object ForYouParam {
         enum = WhoToFollowModuleDisplayType
       )
 
+  object WhoToFollowDisplayLocationParam
+      extends FSParam[String](
+        name = "for_you_who_to_follow_display_location",
+        default = "timeline"
+      )
+
+  object WhoToSubscribePositionParam
+      extends FSBoundedParam[Int](
+        name = "for_you_who_to_subscribe_position",
+        default = 7,
+        min = 0,
+        max = 99
+      )
+
+  object WhoToSubscribeMinInjectionIntervalParam
+      extends FSBoundedParam[Duration](
+        "for_you_who_to_subscribe_min_injection_interval_in_minutes",
+        default = 1800.minutes,
+        min = 0.minutes,
+        max = 6000.minutes)
+      with HasDurationConversion {
+    override val durationConversion: DurationConversion = DurationConversion.FromMinutes
+  }
+
+  object WhoToSubscribeDisplayTypeIdParam
+      extends FSEnumParam[WhoToFollowModuleDisplayType.type](
+        name = "for_you_enable_who_to_subscribe_display_type_id",
+        default = WhoToFollowModuleDisplayType.Vertical,
+        enum = WhoToFollowModuleDisplayType
+      )
+
+  object TweetPreviewsPositionParam
+      extends FSBoundedParam[Int](
+        name = "for_you_tweet_previews_position",
+        default = 3,
+        min = 0,
+        max = 99
+      )
+
+  object TweetPreviewsMinInjectionIntervalParam
+      extends FSBoundedParam[Duration](
+        "for_you_tweet_previews_min_injection_interval_in_minutes",
+        default = 2.hours,
+        min = 0.minutes,
+        max = 600.minutes)
+      with HasDurationConversion {
+    override val durationConversion: DurationConversion = DurationConversion.FromMinutes
+  }
+
+  object TweetPreviewsMaxCandidatesParam
+      extends FSBoundedParam[Int](
+        name = "for_you_tweet_previews_max_candidates",
+        default = 1,
+        min = 0,
+        // NOTE: previews are injected at a fixed position, so max candidates = 1
+        // to avoid bunching of previews.
+        max = 1
+      )
+
   object EnableFlipInjectionModuleCandidatePipelineParam
       extends FSParam[Boolean](
         name = "for_you_enable_flip_inline_injection_module",
@@ -99,7 +180,6 @@ object ForYouParam {
       )
 
   object ClearCacheOnPtr {
-
     object EnableParam
         extends FSParam[Boolean](
           name = "for_you_clear_cache_ptr_enable",
@@ -114,4 +194,22 @@ object ForYouParam {
           max = 35
         )
   }
+
+  object EnableClearCacheOnPushToHome
+      extends FSParam[Boolean](
+        name = "for_you_enable_clear_cache_push_to_home",
+        default = false
+      )
+
+  object EnableServedCandidateKafkaPublishingParam
+      extends FSParam[Boolean](
+        name = "for_you_enable_served_candidate_kafka_publishing",
+        default = true
+      )
+
+  object ExperimentStatsParam
+      extends FSParam[String](
+        name = "for_you_experiment_stats",
+        default = ""
+      )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParamConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParamConfig.scala
index ea8e389cc1..001ee57ad8 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParamConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param/ForYouParamConfig.scala
@@ -17,27 +17,44 @@ class ForYouParamConfig @Inject() () extends ProductParamConfig {
   )
 
   override val booleanFSOverrides = Seq(
-    EnableFlipInjectionModuleCandidatePipelineParam,
-    EnableWhoToFollowCandidatePipelineParam,
-    EnableScoredTweetsMixerPipelineParam,
     ClearCacheOnPtr.EnableParam,
-    EnableTimelineScorerCandidatePipelineParam
+    EnableFlipInjectionModuleCandidatePipelineParam,
+    EnablePushToHomeMixerPipelineParam,
+    EnableScoredTweetsMixerPipelineParam,
+    EnableServedCandidateKafkaPublishingParam,
+    EnableTimelineScorerCandidatePipelineParam,
+    EnableTopicSocialContextFilterParam,
+    EnableVerifiedAuthorSocialContextBypassParam,
+    EnableWhoToFollowCandidatePipelineParam,
+    EnableWhoToSubscribeCandidatePipelineParam,
+    EnableTweetPreviewsCandidatePipelineParam,
+    EnableClearCacheOnPushToHome
   )
 
   override val boundedIntFSOverrides = Seq(
+    AdsNumOrganicItemsParam,
+    ClearCacheOnPtr.MinEntriesParam,
+    FlipInlineInjectionModulePosition,
     ServerMaxResultsParam,
     WhoToFollowPositionParam,
-    FlipInlineInjectionModulePosition,
-    TimelineServiceMaxResultsParam,
-    AdsNumOrganicItemsParam,
-    ClearCacheOnPtr.MinEntriesParam
+    WhoToSubscribePositionParam,
+    TweetPreviewsPositionParam,
+    TweetPreviewsMaxCandidatesParam
+  )
+
+  override val stringFSOverrides = Seq(
+    WhoToFollowDisplayLocationParam,
+    ExperimentStatsParam
   )
 
   override val boundedDurationFSOverrides = Seq(
-    WhoToFollowMinInjectionIntervalParam
+    WhoToFollowMinInjectionIntervalParam,
+    WhoToSubscribeMinInjectionIntervalParam,
+    TweetPreviewsMinInjectionIntervalParam
   )
 
   override val enumFSOverrides = Seq(
-    WhoToFollowDisplayTypeIdParam
+    WhoToFollowDisplayTypeIdParam,
+    WhoToSubscribeDisplayTypeIdParam
   )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/BUILD.bazel
new file mode 100644
index 0000000000..17e99c46c7
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/BUILD.bazel
@@ -0,0 +1,16 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "3rdparty/jvm/javax/inject:javax.inject",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
+        "src/java/com/twitter/search/common/schema/earlybird",
+        "src/java/com/twitter/search/queryparser/query:core-query-nodes",
+        "src/java/com/twitter/search/queryparser/query/search:search-query-nodes",
+        "src/thrift/com/twitter/search:earlybird-scala",
+        "src/thrift/com/twitter/socialgraph:thrift-scala",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/TweetPreviewsQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/TweetPreviewsQueryTransformer.scala
new file mode 100644
index 0000000000..41940b823c
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/query_transformer/TweetPreviewsQueryTransformer.scala
@@ -0,0 +1,92 @@
+package com.twitter.home_mixer.product.for_you.query_transformer
+
+import com.twitter.conversions.DurationOps.richDurationFromInt
+import com.twitter.finagle.thrift.ClientId
+import com.twitter.finagle.tracing.Trace
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.PreviewCreatorsFeature
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.search.common.ranking.{thriftscala => scr}
+import com.twitter.search.common.schema.earlybird.EarlybirdFieldConstants.EarlybirdFieldConstant
+import com.twitter.search.earlybird.{thriftscala => t}
+import com.twitter.search.queryparser.query.Conjunction
+import com.twitter.search.queryparser.query.Query
+import com.twitter.search.queryparser.query.search.SearchOperator
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class TweetPreviewsQueryTransformer @Inject() (clientId: ClientId)
+    extends CandidatePipelineQueryTransformer[PipelineQuery, t.EarlybirdRequest] {
+
+  private val MaxPreviewTweets = 200
+  private val EarlybirdRelevanceTensorflowModel = "timelines_rectweet_replica"
+  private val SinceDuration = 7.days
+
+  val MetadataOptions = t.ThriftSearchResultMetadataOptions(
+    getReferencedTweetAuthorId = true,
+    getFromUserId = true
+  )
+
+  override def transform(query: PipelineQuery): t.EarlybirdRequest = {
+    val candidatePreviewCreatorIds =
+      query.features.map(_.get(PreviewCreatorsFeature)).getOrElse(Seq.empty)
+
+    val searchQuery = new Conjunction(
+      // Include subscriber only (aka exclusive) Tweets
+      new SearchOperator.Builder()
+        .setType(SearchOperator.Type.FILTER)
+        .addOperand(EarlybirdFieldConstant.EXCLUSIVE_FILTER_TERM)
+        .build(),
+      // Include only original Tweets
+      new SearchOperator.Builder()
+        .setType(SearchOperator.Type.FILTER)
+        .addOperand(EarlybirdFieldConstant.NATIVE_RETWEETS_FILTER_TERM)
+        .setOccur(Query.Occur.MUST_NOT)
+        .build(),
+      new SearchOperator.Builder()
+        .setType(SearchOperator.Type.FILTER)
+        .addOperand(EarlybirdFieldConstant.REPLIES_FILTER_TERM)
+        .setOccur(Query.Occur.MUST_NOT)
+        .build(),
+      new SearchOperator.Builder()
+        .setType(SearchOperator.Type.FILTER)
+        .addOperand(EarlybirdFieldConstant.QUOTE_FILTER_TERM)
+        .setOccur(Query.Occur.MUST_NOT)
+        .build(),
+      new SearchOperator(SearchOperator.Type.SINCE_TIME, SinceDuration.ago.inSeconds.toString)
+    )
+
+    t.EarlybirdRequest(
+      searchQuery = t.ThriftSearchQuery(
+        serializedQuery = Some(searchQuery.serialize),
+        fromUserIDFilter64 = Some(candidatePreviewCreatorIds),
+        numResults = MaxPreviewTweets,
+        rankingMode = t.ThriftSearchRankingMode.Relevance,
+        relevanceOptions = Some(
+          t.ThriftSearchRelevanceOptions(
+            filterDups = true,
+            keepDupWithHigherScore = true,
+            proximityScoring = true,
+            maxConsecutiveSameUser = Some(5),
+            rankingParams = Some(
+              scr.ThriftRankingParams(
+                `type` = Some(scr.ThriftScoringFunctionType.TensorflowBased),
+                selectedTensorflowModel = Some(EarlybirdRelevanceTensorflowModel),
+                minScore = -1.0e100,
+                applyBoosts = false,
+              )
+            ),
+          ),
+        ),
+        resultMetadataOptions = Some(MetadataOptions),
+        searcherId = query.getOptionalUserId,
+      ),
+      getOlderResults = Some(true), // needed for archive access to older tweets
+      clientRequestID = Some(s"${Trace.id.traceId}"),
+      followedUserIds = Some(candidatePreviewCreatorIds.toSeq),
+      numResultsToReturnAtRoot = Some(MaxPreviewTweets),
+      clientId = Some(clientId.name),
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/BUILD.bazel
new file mode 100644
index 0000000000..cf629b6659
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/BUILD.bazel
@@ -0,0 +1,13 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "3rdparty/jvm/javax/inject:javax.inject",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
+        "src/java/com/twitter/search/common/schema/earlybird",
+        "src/thrift/com/twitter/search:earlybird-scala",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/TweetPreviewResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/TweetPreviewResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..8b783db38e
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/response_transformer/TweetPreviewResponseFeatureTransformer.scala
@@ -0,0 +1,32 @@
+package com.twitter.home_mixer.product.for_you.response_transformer
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsTweetPreviewFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+import com.twitter.search.earlybird.{thriftscala => eb}
+
+object TweetPreviewResponseFeatureTransformer
+    extends CandidateFeatureTransformer[eb.ThriftSearchResult] {
+
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("TweetPreviewResponse")
+
+  override val features: Set[Feature[_, _]] =
+    Set(AuthorIdFeature, IsTweetPreviewFeature, SuggestTypeFeature)
+
+  def transform(
+    input: eb.ThriftSearchResult
+  ): FeatureMap = {
+    FeatureMapBuilder()
+      .add(IsTweetPreviewFeature, true)
+      .add(SuggestTypeFeature, Some(st.SuggestType.TweetPreview))
+      .add(AuthorIdFeature, input.metadata.map(_.fromUserId))
+      .build()
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/scorer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/scorer/BUILD.bazel
new file mode 100644
index 0000000000..c320c8838b
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/scorer/BUILD.bazel
@@ -0,0 +1,10 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "timelineservice/common:model",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/BUILD.bazel
new file mode 100644
index 0000000000..90faf3d459
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/BUILD.bazel
@@ -0,0 +1,24 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "kafka/finagle-kafka/finatra-kafka/src/main/scala",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/side_effect",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
+        "src/scala/com/twitter/timelines/prediction/common/adapters",
+        "src/scala/com/twitter/timelines/prediction/features/common",
+        "src/thrift/com/twitter/timelines/served_candidates_logging:served_candidates_logging-scala",
+        "src/thrift/com/twitter/timelines/suggests/common:poly_data_record-java",
+        "timelines/ml:kafka",
+        "timelines/ml/cont_train/common/client/src/main/scala/com/twitter/timelines/ml/cont_train/common/client/kafka",
+        "timelines/ml/cont_train/common/domain/src/main/scala/com/twitter/timelines/ml/cont_train/common/domain/non_scalding",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala
index 52cf0d7200..bfa7dd52e3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateFeatureKeysKafkaSideEffect.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.side_effect
+package com.twitter.home_mixer.product.for_you.side_effect
 
 import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
@@ -7,7 +7,7 @@ import com.twitter.home_mixer.model.HomeFeatures.PredictionRequestIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.ServedIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.ServedRequestIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
-import com.twitter.home_mixer.param.HomeGlobalParams.EnableServedCandidateKafkaPublishingParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableServedCandidateKafkaPublishingParam
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.component_library.side_effect.KafkaPublishingSideEffect
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala
similarity index 92%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala
index c840719864..5e41642767 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateFeatureKeysKafkaSideEffectBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.side_effect
+package com.twitter.home_mixer.product.for_you.side_effect
 
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKafkaSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKafkaSideEffect.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKafkaSideEffect.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKafkaSideEffect.scala
index a59a2219a7..7da7517643 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKafkaSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKafkaSideEffect.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.side_effect
+package com.twitter.home_mixer.product.for_you.side_effect
 
 import com.twitter.home_mixer.model.HomeFeatures.IsReadFromCacheFeature
 import com.twitter.home_mixer.model.HomeFeatures.PredictionRequestIdFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKeysKafkaSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKeysKafkaSideEffect.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKeysKafkaSideEffect.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKeysKafkaSideEffect.scala
index 28db059c84..aa1247fbb1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKeysKafkaSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKeysKafkaSideEffect.scala
@@ -1,10 +1,10 @@
-package com.twitter.home_mixer.functional_component.side_effect
+package com.twitter.home_mixer.product.for_you.side_effect
 
 import com.twitter.home_mixer.model.HomeFeatures.IsReadFromCacheFeature
 import com.twitter.home_mixer.model.HomeFeatures.PredictionRequestIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.ServedIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.ServedRequestIdFeature
-import com.twitter.home_mixer.param.HomeGlobalParams.EnableServedCandidateKafkaPublishingParam
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.EnableServedCandidateKafkaPublishingParam
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.util.SRichDataRecord
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala
similarity index 91%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala
index 5e86fdadab..31ee389b95 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedCandidateKeysKafkaSideEffectBuilder.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.side_effect
+package com.twitter.home_mixer.product.for_you.side_effect
 
 import com.twitter.finagle.mtls.authentication.ServiceIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedStatsSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedStatsSideEffect.scala
new file mode 100644
index 0000000000..be7c2a5333
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/for_you/side_effect/ServedStatsSideEffect.scala
@@ -0,0 +1,90 @@
+package com.twitter.home_mixer.product.for_you.side_effect
+
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.home_mixer.product.for_you.param.ForYouParam.ExperimentStatsParam
+import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
+import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
+import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
+import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ServedStatsSideEffect @Inject() (statsReceiver: StatsReceiver)
+    extends PipelineResultSideEffect[PipelineQuery, Timeline] {
+
+  override val identifier: SideEffectIdentifier = SideEffectIdentifier("ServedStats")
+
+  private val baseStatsReceiver = statsReceiver.scope(identifier.toString)
+  private val suggestTypeStatsReceiver = baseStatsReceiver.scope("SuggestType")
+  private val responseSizeStatsReceiver = baseStatsReceiver.scope("ResponseSize")
+  private val contentBalanceStatsReceiver = baseStatsReceiver.scope("ContentBalance")
+
+  private val inNetworkStatsReceiver = contentBalanceStatsReceiver.scope("InNetwork")
+  private val outOfNetworkStatsReceiver = contentBalanceStatsReceiver.scope("OutOfNetwork")
+  private val replyStatsReceiver = contentBalanceStatsReceiver.scope("Reply")
+  private val originalStatsReceiver = contentBalanceStatsReceiver.scope("Original")
+
+  private val emptyStatsReceiver = responseSizeStatsReceiver.scope("Empty")
+  private val lessThan5StatsReceiver = responseSizeStatsReceiver.scope("LessThan5")
+  private val lessThan10StatsReceiver = responseSizeStatsReceiver.scope("LessThan10")
+
+  override def apply(
+    inputs: PipelineResultSideEffect.Inputs[PipelineQuery, Timeline]
+  ): Stitch[Unit] = {
+    val tweetCandidates = CandidatesUtil
+      .getItemCandidates(inputs.selectedCandidates).filter(_.isCandidateType[TweetCandidate]())
+
+    val expBucket = inputs.query.params(ExperimentStatsParam)
+
+    recordSuggestTypeStats(tweetCandidates, expBucket)
+    recordContentBalanceStats(tweetCandidates, expBucket)
+    recordResponseSizeStats(tweetCandidates, expBucket)
+    Stitch.Unit
+  }
+
+  def recordSuggestTypeStats(
+    candidates: Seq[ItemCandidateWithDetails],
+    expBucket: String
+  ): Unit = {
+    candidates.groupBy(getSuggestType).foreach {
+      case (suggestType, suggestTypeCandidates) =>
+        suggestTypeStatsReceiver
+          .scope(expBucket).counter(suggestType).incr(suggestTypeCandidates.size)
+    }
+  }
+
+  def recordContentBalanceStats(
+    candidates: Seq[ItemCandidateWithDetails],
+    expBucket: String
+  ): Unit = {
+    val (in, oon) = candidates.partition(_.features.getOrElse(InNetworkFeature, true))
+    inNetworkStatsReceiver.counter(expBucket).incr(in.size)
+    outOfNetworkStatsReceiver.counter(expBucket).incr(oon.size)
+
+    val (reply, original) =
+      candidates.partition(_.features.getOrElse(InReplyToTweetIdFeature, None).isDefined)
+    replyStatsReceiver.counter(expBucket).incr(reply.size)
+    originalStatsReceiver.counter(expBucket).incr(original.size)
+  }
+
+  def recordResponseSizeStats(
+    candidates: Seq[ItemCandidateWithDetails],
+    expBucket: String
+  ): Unit = {
+    if (candidates.size == 0) emptyStatsReceiver.counter(expBucket).incr()
+    if (candidates.size < 5) lessThan5StatsReceiver.counter(expBucket).incr()
+    if (candidates.size < 10) lessThan10StatsReceiver.counter(expBucket).incr()
+  }
+
+  private def getSuggestType(candidate: CandidateWithDetails): String =
+    candidate.features.getOrElse(SuggestTypeFeature, None).map(_.name).getOrElse("None")
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BUILD.bazel
index 4c69111d18..3a52b15dc6 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BUILD.bazel
@@ -19,12 +19,15 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/selector",
         "product-mixer/core/src/main/java/com/twitter/product_mixer/core/product/guice/scope",
@@ -41,6 +44,7 @@ scala_library(
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product/guice",
         "src/thrift/com/twitter/hermit/candidate:hermit-candidate-scala",
+        "src/thrift/com/twitter/search:blender-scala",
         "src/thrift/com/twitter/timelines/render:thrift-scala",
     ],
     exports = [
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..e0919ae9d7
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineConfig.scala
@@ -0,0 +1,68 @@
+package com.twitter.home_mixer.product.list_recommended_users
+
+import com.twitter.home_mixer.product.list_recommended_users.candidate_source.BlenderUsersCandidateSource
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.IsGizmoduckValidUserFeatureHydrator
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.IsSGSValidUserFeatureHydrator
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.RecentListMembersFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersQuery
+import com.twitter.product_mixer.component_library.decorator.urt.UrtItemCandidateDecorator
+import com.twitter.product_mixer.component_library.decorator.urt.builder.item.user.UserCandidateUrtItemBuilder
+import com.twitter.product_mixer.component_library.decorator.urt.builder.metadata.ClientEventInfoBuilder
+import com.twitter.product_mixer.component_library.gate.EmptySeqFeatureGate
+import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
+import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.search.blender.thriftscala.ThriftBlenderRequest
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class BlenderUsersCandidatePipelineConfig @Inject() (
+  blenderUsersCandidateSource: BlenderUsersCandidateSource,
+  isGizmoduckValidUserFeatureHydrator: IsGizmoduckValidUserFeatureHydrator,
+  isSGSValidUserFeatureHydrator: IsSGSValidUserFeatureHydrator)
+    extends CandidatePipelineConfig[
+      ListRecommendedUsersQuery,
+      ThriftBlenderRequest,
+      Long,
+      UserCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("BlenderUsers")
+
+  override val gates: Seq[Gate[ListRecommendedUsersQuery]] =
+    Seq(EmptySeqFeatureGate(RecentListMembersFeature))
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ListRecommendedUsersQuery,
+    ThriftBlenderRequest
+  ] = BlenderUsersCandidatePipelineQueryTransformer
+
+  override val candidateSource: BaseCandidateSource[ThriftBlenderRequest, Long] =
+    blenderUsersCandidateSource
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    Long,
+    UserCandidate
+  ] = { candidate => UserCandidate(id = candidate) }
+
+  override val preFilterFeatureHydrationPhase1: Seq[
+    BaseCandidateFeatureHydrator[ListRecommendedUsersQuery, UserCandidate, _]
+  ] = Seq(
+    isGizmoduckValidUserFeatureHydrator,
+    isSGSValidUserFeatureHydrator
+  )
+
+  override val decorator: Option[CandidateDecorator[ListRecommendedUsersQuery, UserCandidate]] = {
+    val clientEventInfoBuilder = ClientEventInfoBuilder("user")
+    val userItemBuilder = UserCandidateUrtItemBuilder(clientEventInfoBuilder)
+    Some(UrtItemCandidateDecorator(userItemBuilder))
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineQueryTransformer.scala
new file mode 100644
index 0000000000..03844fd38c
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/BlenderUsersCandidatePipelineQueryTransformer.scala
@@ -0,0 +1,49 @@
+package com.twitter.home_mixer.product.list_recommended_users
+
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersQuery
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.search.adaptive.adaptive_results.thriftscala.ResultType
+import com.twitter.search.blender.adaptive_search.thriftscala.AdaptiveSearchRequest
+import com.twitter.search.blender.thriftscala.ThriftBlenderRequest
+import com.twitter.search.blender.thriftscala.ThriftBlenderTweetypieOptions
+import com.twitter.search.blender.thriftscala.ThriftBlenderWorkflowID
+import com.twitter.search.common.constants.thriftscala.ThriftQuerySource
+import com.twitter.spam.rtf.thriftscala.SafetyLevel
+
+object BlenderUsersCandidatePipelineQueryTransformer
+    extends CandidatePipelineQueryTransformer[ListRecommendedUsersQuery, ThriftBlenderRequest] {
+
+  override val identifier: TransformerIdentifier = TransformerIdentifier("BlenderUsers")
+
+  /**
+   * This is a user-defined descriptor used by Blender to track the source of traffic, and it
+   * is different from a client id, which is set during Finagle client construction.
+   */
+  private val ClientAppName = "timelinemixer.list_recommended_users"
+
+  override def transform(query: ListRecommendedUsersQuery): ThriftBlenderRequest = {
+
+    ThriftBlenderRequest(
+      workflowID = Some(ThriftBlenderWorkflowID.AdaptiveSearch),
+      userID = Some(query.getRequiredUserId), // perspectival
+      uiLang = query.clientContext.languageCode, // perspectival
+      clientAppName = Some(ClientAppName),
+      adaptiveSearchRequest = Some(
+        AdaptiveSearchRequest(
+          rawQuery = query.listName,
+          numResults = 40,
+          getPromotedContent = false,
+          resultFilter = Some(ResultType.User),
+        )
+      ),
+      querySource = Some(ThriftQuerySource.TypedQuery),
+      getCorrections = true,
+      tweetypieOptions = Some(
+        ThriftBlenderTweetypieOptions(
+          safetyLevel = Some(SafetyLevel.Recommendations)
+        )
+      )
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersCandidatePipelineConfig.scala
index 267c0b4f31..756c58d724 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersCandidatePipelineConfig.scala
@@ -1,38 +1,41 @@
 package com.twitter.home_mixer.product.list_recommended_users
 
 import com.twitter.hermit.candidate.{thriftscala => t}
-import com.twitter.home_mixer.functional_component.candidate_source.SimilarityBasedUsersCandidateSource
-import com.twitter.home_mixer.functional_component.feature_hydrator.ListMembersFeature
-import com.twitter.home_mixer.functional_component.filter.PredicateFeatureFilter
-import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.GizmoduckUserFeatureHydrator
+import com.twitter.home_mixer.product.list_recommended_users.candidate_source.SimilarityBasedUsersCandidateSource
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.IsGizmoduckValidUserFeatureHydrator
 import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.IsListMemberFeatureHydrator
-import com.twitter.home_mixer.product.list_recommended_users.filter.DropMaxCandidatesByScoreFilter
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.IsSGSValidUserFeatureHydrator
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.RecentListMembersFeature
+import com.twitter.home_mixer.product.list_recommended_users.filter.DropMaxCandidatesByAggregatedScoreFilter
 import com.twitter.home_mixer.product.list_recommended_users.filter.PreviouslyServedUsersFilter
-import com.twitter.home_mixer.product.list_recommended_users.model.ListFeatures.IsListMemberFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.IsListMemberFeature
 import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersQuery
 import com.twitter.product_mixer.component_library.decorator.urt.UrtItemCandidateDecorator
 import com.twitter.product_mixer.component_library.decorator.urt.builder.item.user.UserCandidateUrtItemBuilder
 import com.twitter.product_mixer.component_library.decorator.urt.builder.metadata.ClientEventInfoBuilder
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
 import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
 import com.twitter.product_mixer.core.functional_component.decorator.CandidateDecorator
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
 import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.gate.Gate
 import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
 import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
 class ListMemberBasedUsersCandidatePipelineConfig @Inject() (
   similarityBasedUsersCandidateSource: SimilarityBasedUsersCandidateSource,
-  gizmoduckUserFeatureHydrator: GizmoduckUserFeatureHydrator,
-  isListMemberFeatureHydrator: IsListMemberFeatureHydrator)
+  isGizmoduckValidUserFeatureHydrator: IsGizmoduckValidUserFeatureHydrator,
+  isListMemberFeatureHydrator: IsListMemberFeatureHydrator,
+  isSGSValidUserFeatureHydrator: IsSGSValidUserFeatureHydrator)
     extends CandidatePipelineConfig[
       ListRecommendedUsersQuery,
       Seq[Long],
@@ -43,10 +46,13 @@ class ListMemberBasedUsersCandidatePipelineConfig @Inject() (
   override val identifier: CandidatePipelineIdentifier =
     CandidatePipelineIdentifier("ListMemberBasedUsers")
 
+  override val gates: Seq[Gate[ListRecommendedUsersQuery]] =
+    Seq(NonEmptySeqFeatureGate(RecentListMembersFeature))
+
   override val queryTransformer: CandidatePipelineQueryTransformer[ListRecommendedUsersQuery, Seq[
     Long
   ]] = { query =>
-    query.features.map(_.getOrElse(ListMembersFeature, Seq.empty)).getOrElse(Seq.empty)
+    query.features.map(_.getOrElse(RecentListMembersFeature, Seq.empty)).getOrElse(Seq.empty)
   }
 
   override val candidateSource: BaseCandidateSource[Seq[Long], t.Candidate] =
@@ -74,12 +80,15 @@ class ListMemberBasedUsersCandidatePipelineConfig @Inject() (
         FilterIdentifier("IsListMember"),
         shouldKeepCandidate = { features => !features.getOrElse(IsListMemberFeature, false) }
       ),
-      DropMaxCandidatesByScoreFilter
+      DropMaxCandidatesByAggregatedScoreFilter
     )
 
   override val postFilterFeatureHydration: Seq[
     BaseCandidateFeatureHydrator[ListRecommendedUsersQuery, UserCandidate, _]
-  ] = Seq(gizmoduckUserFeatureHydrator)
+  ] = Seq(
+    isGizmoduckValidUserFeatureHydrator,
+    isSGSValidUserFeatureHydrator
+  )
 
   override val decorator: Option[CandidateDecorator[ListRecommendedUsersQuery, UserCandidate]] = {
     val clientEventInfoBuilder = ClientEventInfoBuilder("user")
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersResponseFeatureTransfromer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersResponseFeatureTransfromer.scala
index bce2ed457b..7153d1f06e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersResponseFeatureTransfromer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListMemberBasedUsersResponseFeatureTransfromer.scala
@@ -1,7 +1,7 @@
 package com.twitter.home_mixer.product.list_recommended_users
 
 import com.twitter.hermit.candidate.{thriftscala => t}
-import com.twitter.home_mixer.product.list_recommended_users.model.ListFeatures.ScoreFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.ScoreFeature
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersMixerPipelineConfig.scala
index d370c10578..8c72aefeca 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersMixerPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersMixerPipelineConfig.scala
@@ -1,8 +1,9 @@
 package com.twitter.home_mixer.product.list_recommended_users
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.ListMembersQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.gate.ViewerIsListOwnerGate
-import com.twitter.home_mixer.product.list_recommended_users.model.ListFeatures.GizmoduckUserFeature
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.RecentListMembersQueryFeatureHydrator
+import com.twitter.home_mixer.product.list_recommended_users.gate.ViewerIsListOwnerGate
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.IsGizmoduckValidUserFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.IsSGSValidUserFeature
 import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersQuery
 import com.twitter.home_mixer.product.list_recommended_users.param.ListRecommendedUsersParam.ExcludedIdsMaxLengthParam
 import com.twitter.home_mixer.product.list_recommended_users.param.ListRecommendedUsersParam.ServerMaxResultsParam
@@ -36,8 +37,9 @@ import javax.inject.Singleton
 @Singleton
 class ListRecommendedUsersMixerPipelineConfig @Inject() (
   listMemberBasedUsersCandidatePipelineConfig: ListMemberBasedUsersCandidatePipelineConfig,
+  blenderUsersCandidatePipelineConfig: BlenderUsersCandidatePipelineConfig,
   viewerIsListOwnerGate: ViewerIsListOwnerGate,
-  listMembersQueryFeatureHydrator: ListMembersQueryFeatureHydrator,
+  recentListMembersQueryFeatureHydrator: RecentListMembersQueryFeatureHydrator,
   urtTransportMarshaller: UrtTransportMarshaller)
     extends MixerPipelineConfig[ListRecommendedUsersQuery, Timeline, urt.TimelineResponse] {
 
@@ -46,22 +48,31 @@ class ListRecommendedUsersMixerPipelineConfig @Inject() (
   override val gates = Seq(viewerIsListOwnerGate)
 
   override val fetchQueryFeatures: Seq[QueryFeatureHydrator[ListRecommendedUsersQuery]] =
-    Seq(listMembersQueryFeatureHydrator)
+    Seq(recentListMembersQueryFeatureHydrator)
 
   override val candidatePipelines: Seq[
     CandidatePipelineConfig[ListRecommendedUsersQuery, _, _, _]
-  ] =
-    Seq(listMemberBasedUsersCandidatePipelineConfig)
+  ] = Seq(
+    listMemberBasedUsersCandidatePipelineConfig,
+    blenderUsersCandidatePipelineConfig
+  )
+
+  private val candidatePipelineIdentifiers = Set(
+    listMemberBasedUsersCandidatePipelineConfig.identifier,
+    blenderUsersCandidatePipelineConfig.identifier
+  )
 
   override val resultSelectors: Seq[Selector[ListRecommendedUsersQuery]] = Seq(
     DropFilteredCandidates(
-      candidatePipeline = listMemberBasedUsersCandidatePipelineConfig.identifier,
-      filter = candidate => candidate.features.getOrElse(GizmoduckUserFeature, None).isDefined
+      candidatePipelines = candidatePipelineIdentifiers,
+      filter = candidate =>
+        candidate.features.getOrElse(IsSGSValidUserFeature, false) &&
+          candidate.features.getOrElse(IsGizmoduckValidUserFeature, false)
     ),
     DropMaxCandidates(
-      candidatePipeline = listMemberBasedUsersCandidatePipelineConfig.identifier,
+      candidatePipelines = candidatePipelineIdentifiers,
       maxSelectionsParam = ServerMaxResultsParam),
-    InsertAppendResults(listMemberBasedUsersCandidatePipelineConfig.identifier)
+    InsertAppendResults(candidatePipelineIdentifiers)
   )
 
   override val domainMarshaller: DomainMarshaller[ListRecommendedUsersQuery, Timeline] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersProductPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersProductPipelineConfig.scala
index e20bb8aec3..f0c2ac70ec 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersProductPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/ListRecommendedUsersProductPipelineConfig.scala
@@ -1,5 +1,6 @@
 package com.twitter.home_mixer.product.list_recommended_users
 
+import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.marshaller.timelines.RecommendedUsersCursorUnmarshaller
 import com.twitter.home_mixer.model.request.HomeMixerRequest
 import com.twitter.home_mixer.model.request.ListRecommendedUsersProduct
@@ -8,8 +9,15 @@ import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommend
 import com.twitter.home_mixer.product.list_recommended_users.param.ListRecommendedUsersParam.ServerMaxResultsParam
 import com.twitter.home_mixer.product.list_recommended_users.param.ListRecommendedUsersParamConfig
 import com.twitter.home_mixer.service.HomeMixerAccessPolicy.DefaultHomeMixerAccessPolicy
+import com.twitter.home_mixer.service.HomeMixerAlertConfig.DefaultNotificationGroup
 import com.twitter.product_mixer.component_library.premarshaller.cursor.UrtCursorSerializer
 import com.twitter.product_mixer.core.functional_component.common.access_policy.AccessPolicy
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfBelow
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfLatencyAbove
+import com.twitter.product_mixer.core.functional_component.common.alert.Alert
+import com.twitter.product_mixer.core.functional_component.common.alert.LatencyAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.P99
+import com.twitter.product_mixer.core.functional_component.common.alert.SuccessRateAlert
 import com.twitter.product_mixer.core.model.common.identifier.ComponentIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.ProductPipelineIdentifier
 import com.twitter.product_mixer.core.model.marshalling.request
@@ -66,7 +74,8 @@ class ListRecommendedUsersProductPipelineConfig @Inject() (
       requestedMaxResults = Some(params(ServerMaxResultsParam)),
       debugOptions = debugOptions,
       selectedUserIds = context.selectedUserIds,
-      excludedUserIds = context.excludedUserIds
+      excludedUserIds = context.excludedUserIds,
+      listName = context.listName
     )
   }
 
@@ -75,5 +84,19 @@ class ListRecommendedUsersProductPipelineConfig @Inject() (
   override def pipelineSelector(query: ListRecommendedUsersQuery): ComponentIdentifier =
     listRecommendedUsersMixerPipelineConfig.identifier
 
+  override val alerts: Seq[Alert] = Seq(
+    SuccessRateAlert(
+      notificationGroup = DefaultNotificationGroup,
+      warnPredicate = TriggerIfBelow(99.9, 20, 30),
+      criticalPredicate = TriggerIfBelow(99.9, 30, 30),
+    ),
+    LatencyAlert(
+      notificationGroup = DefaultNotificationGroup,
+      percentile = P99,
+      warnPredicate = TriggerIfLatencyAbove(1000.millis, 15, 30),
+      criticalPredicate = TriggerIfLatencyAbove(1500.millis, 15, 30)
+    )
+  )
+
   override val debugAccessPolicies: Set[AccessPolicy] = DefaultHomeMixerAccessPolicy
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BUILD.bazel
new file mode 100644
index 0000000000..e1fa1de1cc
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BUILD.bazel
@@ -0,0 +1,13 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source",
+        "src/thrift/com/twitter/hermit/candidate:hermit-candidate-scala",
+        "src/thrift/com/twitter/search:blender-scala",
+        "strato/config/columns/recommendations/similarity:similarity-strato-client",
+        "strato/src/main/scala/com/twitter/strato/client",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BlenderUsersCandidateSource.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BlenderUsersCandidateSource.scala
new file mode 100644
index 0000000000..3b7ac39fc1
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/BlenderUsersCandidateSource.scala
@@ -0,0 +1,45 @@
+package com.twitter.home_mixer.product.list_recommended_users.candidate_source
+
+import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
+import com.twitter.product_mixer.core.model.common.identifier.CandidateSourceIdentifier
+import com.twitter.search.adaptive.adaptive_results.thriftscala.AdaptiveSearchResultData
+import com.twitter.search.adaptive.adaptive_results.thriftscala.Result
+import com.twitter.search.adaptive.adaptive_results.thriftscala.ResultData
+import com.twitter.search.blender.adaptive_search.thriftscala.AdaptiveSearchResponse
+import com.twitter.search.blender.adaptive_search.thriftscala.Container
+import com.twitter.search.blender.thriftscala.BlenderService
+import com.twitter.search.blender.thriftscala.ThriftBlenderRequest
+import com.twitter.stitch.Stitch
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class BlenderUsersCandidateSource @Inject() (
+  blenderClient: BlenderService.MethodPerEndpoint)
+    extends CandidateSource[ThriftBlenderRequest, Long] {
+
+  override val identifier: CandidateSourceIdentifier = CandidateSourceIdentifier("BlenderUsers")
+
+  override def apply(request: ThriftBlenderRequest): Stitch[Seq[Long]] = {
+    Stitch.callFuture(
+      blenderClient.serveV2(request).map { response =>
+        val userIdsOpt =
+          response.adaptiveSearchResponse.map(extractUserIdsFromAdaptiveSearchResponse)
+        userIdsOpt.getOrElse(Seq.empty)
+      }
+    )
+  }
+
+  private def extractUserIdsFromAdaptiveSearchResponse(
+    response: AdaptiveSearchResponse
+  ): Seq[Long] = {
+    response match {
+      case AdaptiveSearchResponse(Some(Seq(Container(Some(results), _))), _, _) =>
+        results.map(_.data).collect {
+          case AdaptiveSearchResultData.Result(Result(ResultData.User(user), _)) =>
+            user.id
+        }
+      case _ => Seq.empty
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/SimilarityBasedUsersCandidateSource.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/SimilarityBasedUsersCandidateSource.scala
similarity index 71%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/SimilarityBasedUsersCandidateSource.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/SimilarityBasedUsersCandidateSource.scala
index f117e91f92..f5428d0320 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source/SimilarityBasedUsersCandidateSource.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/candidate_source/SimilarityBasedUsersCandidateSource.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.candidate_source
+package com.twitter.home_mixer.product.list_recommended_users.candidate_source
 
 import com.twitter.hermit.candidate.{thriftscala => t}
 import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
@@ -21,13 +21,19 @@ class SimilarityBasedUsersCandidateSource @Inject() (
   private val fetcher: Fetcher[Long, Unit, t.Candidates] =
     similarUsersBySimsOnUserClientColumn.fetcher
 
+  private val MaxCandidatesToKeep = 4000
+
   override def apply(request: Seq[Long]): Stitch[Seq[t.Candidate]] = {
     Stitch
       .collect {
         request.map { userId =>
-          fetcher.fetch(userId, Unit).map { result =>
-            result.v.map(_.candidates).getOrElse(Seq.empty)
-          }
+          fetcher
+            .fetch(userId, Unit).map { result =>
+              result.v.map(_.candidates).getOrElse(Seq.empty)
+            }.map { candidates =>
+              val sortedCandidates = candidates.sortBy(-_.score)
+              sortedCandidates.take(MaxCandidatesToKeep)
+            }
         }
       }.map(_.flatten)
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/BUILD.bazel
index 326d086a36..bdd2de735a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/BUILD.bazel
@@ -12,5 +12,4 @@ scala_library(
         "stitch/stitch-gizmoduck",
         "stitch/stitch-socialgraph",
     ],
-    exports = [],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/GizmoduckUserFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsGizmoduckValidUserFeatureHydrator.scala
similarity index 71%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/GizmoduckUserFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsGizmoduckValidUserFeatureHydrator.scala
index d1db2c3488..80a41adf0a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/GizmoduckUserFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsGizmoduckValidUserFeatureHydrator.scala
@@ -1,7 +1,7 @@
 package com.twitter.home_mixer.product.list_recommended_users.feature_hydrator
 
 import com.twitter.gizmoduck.{thriftscala => gt}
-import com.twitter.home_mixer.product.list_recommended_users.model.ListFeatures.GizmoduckUserFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.IsGizmoduckValidUserFeature
 import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
@@ -19,13 +19,13 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class GizmoduckUserFeatureHydrator @Inject() (gizmoduck: Gizmoduck)
+class IsGizmoduckValidUserFeatureHydrator @Inject() (gizmoduck: Gizmoduck)
     extends BulkCandidateFeatureHydrator[PipelineQuery, UserCandidate] {
 
   override val identifier: FeatureHydratorIdentifier =
-    FeatureHydratorIdentifier("GizmoduckUser")
+    FeatureHydratorIdentifier("IsGizmoduckValidUser")
 
-  override val features: Set[Feature[_, _]] = Set(GizmoduckUserFeature)
+  override val features: Set[Feature[_, _]] = Set(IsGizmoduckValidUserFeature)
 
   private val queryFields: Set[gt.QueryFields] = Set(gt.QueryFields.Safety)
 
@@ -44,14 +44,21 @@ class GizmoduckUserFeatureHydrator @Inject() (gizmoduck: Gizmoduck)
       .collectToTry(
         userIds.map(userId => gizmoduck.getUserById(userId, queryFields, context))).map {
         userResults =>
-          val idToUserMap = userResults
+          val idToUserSafetyMap = userResults
             .collect {
               case Return(user) => user
-            }.map(user => user.id -> user).toMap
+            }.map(user => user.id -> user.safety).toMap
 
           candidates.map { candidate =>
+            val safety = idToUserSafetyMap.getOrElse(candidate.candidate.id, None)
+            val isValidUser = safety.isDefined &&
+              !safety.exists(_.deactivated) &&
+              !safety.exists(_.suspended) &&
+              !safety.exists(_.isProtected) &&
+              !safety.flatMap(_.offboarded).getOrElse(false)
+
             FeatureMapBuilder()
-              .add(GizmoduckUserFeature, idToUserMap.get(candidate.candidate.id))
+              .add(IsGizmoduckValidUserFeature, isValidUser)
               .build()
           }
       }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsListMemberFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsListMemberFeatureHydrator.scala
index a7c51b4b12..c9e529de53 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsListMemberFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsListMemberFeatureHydrator.scala
@@ -1,7 +1,7 @@
 package com.twitter.home_mixer.product.list_recommended_users.feature_hydrator
 
 import com.twitter.home_mixer.model.request.HasListId
-import com.twitter.home_mixer.product.list_recommended_users.model.ListFeatures.IsListMemberFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.IsListMemberFeature
 import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsSGSValidUserFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsSGSValidUserFeatureHydrator.scala
new file mode 100644
index 0000000000..de70d45d87
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/IsSGSValidUserFeatureHydrator.scala
@@ -0,0 +1,65 @@
+package com.twitter.home_mixer.product.list_recommended_users.feature_hydrator
+
+import com.twitter.home_mixer.model.request.HasListId
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.IsSGSValidUserFeature
+import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.socialgraph.{thriftscala => sg}
+import com.twitter.stitch.Stitch
+import com.twitter.stitch.socialgraph.SocialGraph
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class IsSGSValidUserFeatureHydrator @Inject() (socialGraph: SocialGraph)
+    extends BulkCandidateFeatureHydrator[PipelineQuery with HasListId, UserCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("IsSGSValidUser")
+
+  override def features: Set[Feature[_, _]] = Set(IsSGSValidUserFeature)
+
+  override def apply(
+    query: PipelineQuery with HasListId,
+    candidates: Seq[CandidateWithFeatures[UserCandidate]]
+  ): Stitch[Seq[FeatureMap]] = {
+    val sourceId = query.getRequiredUserId
+    val targetUserIds = candidates.map(_.candidate.id)
+    val request = sg.IdsRequest(
+      relationships = Seq(
+        sg.SrcRelationship(
+          source = sourceId,
+          relationshipType = sg.RelationshipType.Blocking,
+          hasRelationship = true,
+          targets = Some(targetUserIds)),
+        sg.SrcRelationship(
+          source = sourceId,
+          relationshipType = sg.RelationshipType.BlockedBy,
+          hasRelationship = true,
+          targets = Some(targetUserIds)),
+        sg.SrcRelationship(
+          source = sourceId,
+          relationshipType = sg.RelationshipType.Muting,
+          hasRelationship = true,
+          targets = Some(targetUserIds))
+      ),
+      pageRequest = Some(sg.PageRequest(selectAll = Some(true))),
+      context = Some(sg.LookupContext(performUnion = Some(true)))
+    )
+
+    socialGraph.ids(request).map(_.ids).map(_.toSet).map { hasRelationshipUserIds =>
+      candidates.map { candidate =>
+        FeatureMapBuilder()
+          .add(IsSGSValidUserFeature, !hasRelationshipUserIds.contains(candidate.candidate.id))
+          .build()
+      }
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ListMembersQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/RecentListMembersQueryFeatureHydrator.scala
similarity index 72%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ListMembersQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/RecentListMembersQueryFeatureHydrator.scala
index a6d3324d30..81a5ce5042 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ListMembersQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator/RecentListMembersQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.list_recommended_users.feature_hydrator
 
 import com.twitter.home_mixer.model.request.HasListId
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
@@ -15,17 +15,18 @@ import com.twitter.stitch.socialgraph.SocialGraph
 import javax.inject.Inject
 import javax.inject.Singleton
 
-case object ListMembersFeature extends FeatureWithDefaultOnFailure[PipelineQuery, Seq[Long]] {
+case object RecentListMembersFeature extends FeatureWithDefaultOnFailure[PipelineQuery, Seq[Long]] {
   override val defaultValue: Seq[Long] = Seq.empty
 }
 
 @Singleton
-class ListMembersQueryFeatureHydrator @Inject() (socialGraph: SocialGraph)
+class RecentListMembersQueryFeatureHydrator @Inject() (socialGraph: SocialGraph)
     extends QueryFeatureHydrator[PipelineQuery with HasListId] {
 
-  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("ListMembers")
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("RecentListMembers")
 
-  override val features: Set[Feature[_, _]] = Set(ListMembersFeature)
+  override val features: Set[Feature[_, _]] = Set(RecentListMembersFeature)
 
   private val MaxRecentMembers = 10
 
@@ -36,7 +37,7 @@ class ListMembersQueryFeatureHydrator @Inject() (socialGraph: SocialGraph)
       pageRequest = Some(sg.PageRequest(selectAll = Some(true), count = Some(MaxRecentMembers)))
     )
     socialGraph.ids(request).map(_.ids).map { listMembers =>
-      FeatureMapBuilder().add(ListMembersFeature, listMembers).build()
+      FeatureMapBuilder().add(RecentListMembersFeature, listMembers).build()
     }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/BUILD.bazel
index c54e5a7b30..72a5f251f7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/BUILD.bazel
@@ -4,8 +4,8 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/filter",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/DropMaxCandidatesByScoreFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/DropMaxCandidatesByAggregatedScoreFilter.scala
similarity index 61%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/DropMaxCandidatesByScoreFilter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/DropMaxCandidatesByAggregatedScoreFilter.scala
index d75b301e39..a68c374505 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/DropMaxCandidatesByScoreFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/DropMaxCandidatesByAggregatedScoreFilter.scala
@@ -1,6 +1,6 @@
 package com.twitter.home_mixer.product.list_recommended_users.filter
 
-import com.twitter.home_mixer.product.list_recommended_users.model.ListFeatures.ScoreFeature
+import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersFeatures.ScoreFeature
 import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.functional_component.filter.Filter
 import com.twitter.product_mixer.core.functional_component.filter.FilterResult
@@ -9,18 +9,26 @@ import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
 
-object DropMaxCandidatesByScoreFilter extends Filter[PipelineQuery, UserCandidate] {
+object DropMaxCandidatesByAggregatedScoreFilter extends Filter[PipelineQuery, UserCandidate] {
 
-  override val identifier: FilterIdentifier = FilterIdentifier("DropMaxCandidatesByScore")
+  override val identifier: FilterIdentifier = FilterIdentifier("DropMaxCandidatesByAggregatedScore")
 
-  private val MaxSimilarUserCandidates = 1000
+  private val MaxSimilarUserCandidates = 150
 
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[UserCandidate]]
   ): Stitch[FilterResult[UserCandidate]] = {
+    val userIdToAggregatedScoreMap = candidates
+      .groupBy(_.candidate.id)
+      .map {
+        case (userId, candidates) =>
+          val aggregatedScore = candidates.map(_.features.getOrElse(ScoreFeature, 0.0)).sum
+          (userId, aggregatedScore)
+      }
 
-    val sortedCandidates = candidates.sortBy(-_.features.getOrElse(ScoreFeature, 0.0))
+    val sortedCandidates = candidates.sortBy(candidate =>
+      -userIdToAggregatedScoreMap.getOrElse(candidate.candidate.id, 0.0))
 
     val (kept, removed) = sortedCandidates.map(_.candidate).splitAt(MaxSimilarUserCandidates)
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/PreviouslyServedUsersFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/PreviouslyServedUsersFilter.scala
index 97cd6a5c15..ac8c3107d1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/PreviouslyServedUsersFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/filter/PreviouslyServedUsersFilter.scala
@@ -1,6 +1,6 @@
 package com.twitter.home_mixer.product.list_recommended_users.filter
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.ListMembersFeature
+import com.twitter.home_mixer.product.list_recommended_users.feature_hydrator.RecentListMembersFeature
 import com.twitter.home_mixer.product.list_recommended_users.model.ListRecommendedUsersQuery
 import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.functional_component.filter.Filter
@@ -18,7 +18,7 @@ object PreviouslyServedUsersFilter extends Filter[ListRecommendedUsersQuery, Use
     candidates: Seq[CandidateWithFeatures[UserCandidate]]
   ): Stitch[FilterResult[UserCandidate]] = {
 
-    val recentListMembers = query.features.map(_.getOrElse(ListMembersFeature, Seq.empty))
+    val recentListMembers = query.features.map(_.getOrElse(RecentListMembersFeature, Seq.empty))
 
     val servedUserIds = query.pipelineCursor.map(_.excludedIds)
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/BUILD.bazel
new file mode 100644
index 0000000000..f8a7083b9a
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/BUILD.bazel
@@ -0,0 +1,12 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/gate",
+        "src/thrift/com/twitter/socialgraph:thrift-scala",
+        "stitch/stitch-socialgraph",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/ViewerIsListOwnerGate.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/ViewerIsListOwnerGate.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/ViewerIsListOwnerGate.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/ViewerIsListOwnerGate.scala
index 487487e923..e7ab3084eb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/ViewerIsListOwnerGate.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/gate/ViewerIsListOwnerGate.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.gate
+package com.twitter.home_mixer.product.list_recommended_users.gate
 
 import com.twitter.home_mixer.model.request.HasListId
 import com.twitter.product_mixer.core.functional_component.gate.Gate
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListFeatures.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersFeatures.scala
similarity index 65%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListFeatures.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersFeatures.scala
index 9abcd6fb2d..baed8171b0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListFeatures.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersFeatures.scala
@@ -1,12 +1,12 @@
 package com.twitter.home_mixer.product.list_recommended_users.model
 
-import com.twitter.gizmoduck.{thriftscala => gt}
 import com.twitter.product_mixer.component_library.model.candidate.UserCandidate
 import com.twitter.product_mixer.core.feature.Feature
 
-object ListFeatures {
+object ListRecommendedUsersFeatures {
   // Candidate features
-  object GizmoduckUserFeature extends Feature[UserCandidate, Option[gt.User]]
+  object IsGizmoduckValidUserFeature extends Feature[UserCandidate, Boolean]
   object IsListMemberFeature extends Feature[UserCandidate, Boolean]
+  object IsSGSValidUserFeature extends Feature[UserCandidate, Boolean]
   object ScoreFeature extends Feature[UserCandidate, Double]
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersQuery.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersQuery.scala
index 8d8c2e6ea2..15b16c25b7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersQuery.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_recommended_users/model/ListRecommendedUsersQuery.scala
@@ -18,7 +18,8 @@ case class ListRecommendedUsersQuery(
   override val debugOptions: Option[DebugOptions],
   override val features: Option[FeatureMap],
   selectedUserIds: Option[Seq[Long]],
-  excludedUserIds: Option[Seq[Long]])
+  excludedUserIds: Option[Seq[Long]],
+  listName: Option[String])
     extends PipelineQuery
     with HasPipelineCursor[UrtUnorderedExcludeIdsCursor]
     with HasListId {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/BUILD.bazel
index e60fc064e6..a7d22148a6 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/BUILD.bazel
@@ -22,6 +22,7 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
@@ -30,6 +31,7 @@ scala_library(
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timeline_service",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/param_gated",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate/ads",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/ads",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsAdsCandidatePipelineBuilder.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsAdsCandidatePipelineBuilder.scala
index 77c61710a4..9e5a4e5419 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsAdsCandidatePipelineBuilder.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsAdsCandidatePipelineBuilder.scala
@@ -1,7 +1,7 @@
 package com.twitter.home_mixer.product.list_tweets
 
 import com.twitter.adserver.{thriftscala => ads}
-import com.twitter.home_mixer.functional_component.decorator.HomeAdsClientEventDetailsBuilder
+import com.twitter.home_mixer.functional_component.decorator.builder.HomeAdsClientEventDetailsBuilder
 import com.twitter.home_mixer.functional_component.gate.ExcludeSoftUserGate
 import com.twitter.home_mixer.param.HomeGlobalParams
 import com.twitter.home_mixer.param.HomeGlobalParams.EnableAdvertiserBrandSafetySettingsFeatureHydratorParam
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsMixerPipelineConfig.scala
index f4e20ce7e9..2d7dd3b31f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsMixerPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsMixerPipelineConfig.scala
@@ -3,13 +3,16 @@ package com.twitter.home_mixer.product.list_tweets
 import com.twitter.clientapp.{thriftscala => ca}
 import com.twitter.goldfinch.api.AdsInjectionSurfaceAreas
 import com.twitter.home_mixer.candidate_pipeline.ConversationServiceCandidatePipelineConfigBuilder
-import com.twitter.home_mixer.functional_component.decorator.ListConversationServiceCandidateDecorator
 import com.twitter.home_mixer.functional_component.feature_hydrator.RequestQueryFeatureHydrator
 import com.twitter.home_mixer.functional_component.side_effect.HomeScribeClientEventSideEffect
 import com.twitter.home_mixer.model.GapIncludeInstruction
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeClientEventsFlag
+import com.twitter.home_mixer.product.list_tweets.decorator.ListConversationServiceCandidateDecorator
 import com.twitter.home_mixer.product.list_tweets.model.ListTweetsQuery
 import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.inject.annotations.Flag
 import com.twitter.logpipeline.client.common.EventPublisher
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersQueryFeatureHydrator
 import com.twitter.product_mixer.component_library.gate.NonEmptyCandidatesGate
 import com.twitter.product_mixer.component_library.premarshaller.urt.UrtDomainMarshaller
 import com.twitter.product_mixer.component_library.premarshaller.urt.builder.AddEntriesWithReplaceAndShowAlertInstructionBuilder
@@ -55,9 +58,11 @@ class ListTweetsMixerPipelineConfig @Inject() (
   ],
   listTweetsAdsCandidatePipelineBuilder: ListTweetsAdsCandidatePipelineBuilder,
   requestQueryFeatureHydrator: RequestQueryFeatureHydrator[ListTweetsQuery],
+  sgsFollowedUsersQueryFeatureHydrator: SGSFollowedUsersQueryFeatureHydrator,
   adsInjector: AdsInjector,
   clientEventsScribeEventPublisher: EventPublisher[ca.LogEvent],
-  urtTransportMarshaller: UrtTransportMarshaller)
+  urtTransportMarshaller: UrtTransportMarshaller,
+  @Flag(ScribeClientEventsFlag) enableScribeClientEvents: Boolean)
     extends MixerPipelineConfig[ListTweetsQuery, Timeline, urt.TimelineResponse] {
 
   override val identifier: MixerPipelineIdentifier = MixerPipelineIdentifier("ListTweets")
@@ -101,14 +106,16 @@ class ListTweetsMixerPipelineConfig @Inject() (
   )
 
   override val fetchQueryFeatures: Seq[QueryFeatureHydrator[ListTweetsQuery]] = Seq(
-    requestQueryFeatureHydrator
+    requestQueryFeatureHydrator,
+    sgsFollowedUsersQueryFeatureHydrator
   )
 
   private val homeScribeClientEventSideEffect = HomeScribeClientEventSideEffect(
+    enableScribeClientEvents = enableScribeClientEvents,
     logPipelinePublisher = clientEventsScribeEventPublisher,
     injectedTweetsCandidatePipelineIdentifiers =
       Seq(conversationServiceCandidatePipelineConfig.identifier),
-    adsCandidatePipelineIdentifier = listTweetsAdsCandidatePipelineConfig.identifier,
+    adsCandidatePipelineIdentifier = Some(listTweetsAdsCandidatePipelineConfig.identifier),
   )
 
   override val resultSideEffects: Seq[PipelineResultSideEffect[ListTweetsQuery, Timeline]] =
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsProductPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsProductPipelineConfig.scala
index 06afd9a92d..b4b5b1924e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsProductPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsProductPipelineConfig.scala
@@ -1,5 +1,6 @@
 package com.twitter.home_mixer.product.list_tweets
 
+import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.marshaller.timelines.ChronologicalCursorUnmarshaller
 import com.twitter.home_mixer.model.request.HomeMixerRequest
 import com.twitter.home_mixer.model.request.ListTweetsProduct
@@ -8,9 +9,19 @@ import com.twitter.home_mixer.product.list_tweets.model.ListTweetsQuery
 import com.twitter.home_mixer.product.list_tweets.param.ListTweetsParam.ServerMaxResultsParam
 import com.twitter.home_mixer.product.list_tweets.param.ListTweetsParamConfig
 import com.twitter.home_mixer.service.HomeMixerAccessPolicy.DefaultHomeMixerAccessPolicy
+import com.twitter.home_mixer.service.HomeMixerAlertConfig.DefaultNotificationGroup
 import com.twitter.product_mixer.component_library.model.cursor.UrtOrderedCursor
 import com.twitter.product_mixer.component_library.premarshaller.cursor.UrtCursorSerializer
 import com.twitter.product_mixer.core.functional_component.common.access_policy.AccessPolicy
+import com.twitter.product_mixer.core.functional_component.common.alert.Alert
+import com.twitter.product_mixer.core.functional_component.common.alert.EmptyResponseRateAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.LatencyAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.P99
+import com.twitter.product_mixer.core.functional_component.common.alert.SuccessRateAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.ThroughputAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfAbove
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfBelow
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfLatencyAbove
 import com.twitter.product_mixer.core.model.common.identifier.ComponentIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.ProductPipelineIdentifier
 import com.twitter.product_mixer.core.model.marshalling.request
@@ -40,6 +51,7 @@ class ListTweetsProductPipelineConfig @Inject() (
   override val identifier: ProductPipelineIdentifier = ProductPipelineIdentifier("ListTweets")
   override val product: request.Product = ListTweetsProduct
   override val paramConfig: ProductParamConfig = listTweetsParamConfig
+  override val denyLoggedOutUsers: Boolean = false
 
   override def pipelineQueryTransformer(
     request: HomeMixerRequest,
@@ -90,5 +102,29 @@ class ListTweetsProductPipelineConfig @Inject() (
   override def pipelineSelector(query: ListTweetsQuery): ComponentIdentifier =
     listTweetsMixerPipelineConfig.identifier
 
+  override val alerts: Seq[Alert] = Seq(
+    SuccessRateAlert(
+      notificationGroup = DefaultNotificationGroup,
+      warnPredicate = TriggerIfBelow(99.9, 20, 30),
+      criticalPredicate = TriggerIfBelow(99.9, 30, 30),
+    ),
+    LatencyAlert(
+      notificationGroup = DefaultNotificationGroup,
+      percentile = P99,
+      warnPredicate = TriggerIfLatencyAbove(300.millis, 15, 30),
+      criticalPredicate = TriggerIfLatencyAbove(400.millis, 15, 30)
+    ),
+    ThroughputAlert(
+      notificationGroup = DefaultNotificationGroup,
+      warnPredicate = TriggerIfAbove(3000),
+      criticalPredicate = TriggerIfAbove(4000)
+    ),
+    EmptyResponseRateAlert(
+      notificationGroup = DefaultNotificationGroup,
+      warnPredicate = TriggerIfAbove(65),
+      criticalPredicate = TriggerIfAbove(80)
+    )
+  )
+
   override val debugAccessPolicies: Set[AccessPolicy] = DefaultHomeMixerAccessPolicy
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsTimelineServiceCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsTimelineServiceCandidatePipelineConfig.scala
index aba9f47e0c..1af95e873c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsTimelineServiceCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/ListTweetsTimelineServiceCandidatePipelineConfig.scala
@@ -4,6 +4,7 @@ import com.twitter.home_mixer.candidate_pipeline.TimelineServiceResponseFeatureT
 import com.twitter.home_mixer.marshaller.timelines.TimelineServiceCursorMarshaller
 import com.twitter.home_mixer.product.list_tweets.model.ListTweetsQuery
 import com.twitter.home_mixer.product.list_tweets.param.ListTweetsParam.ServerMaxResultsParam
+import com.twitter.home_mixer.service.HomeMixerAlertConfig
 import com.twitter.product_mixer.component_library.candidate_source.timeline_service.TimelineServiceTweetCandidateSource
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
@@ -51,4 +52,8 @@ class ListTweetsTimelineServiceCandidatePipelineConfig @Inject() (
 
   override val featuresFromCandidateSourceTransformers: Seq[CandidateFeatureTransformer[t.Tweet]] =
     Seq(TimelineServiceResponseFeatureTransformer)
+
+  override val alerts = Seq(
+    HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(99.7)
+  )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/BUILD.bazel
new file mode 100644
index 0000000000..4258ffc369
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/BUILD.bazel
@@ -0,0 +1,15 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/builder",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
+        "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ListConversationServiceCandidateDecorator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/ListConversationServiceCandidateDecorator.scala
similarity index 91%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ListConversationServiceCandidateDecorator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/ListConversationServiceCandidateDecorator.scala
index a8df05029a..a02b628e81 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/ListConversationServiceCandidateDecorator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/ListConversationServiceCandidateDecorator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.decorator
+package com.twitter.home_mixer.product.list_tweets.decorator
 
 import com.twitter.home_mixer.functional_component.decorator.builder.HomeConversationModuleMetadataBuilder
 import com.twitter.home_mixer.functional_component.decorator.builder.ListClientEventDetailsBuilder
@@ -23,8 +23,10 @@ object ListConversationServiceCandidateDecorator {
   def apply(): Some[UrtMultipleModulesDecorator[PipelineQuery, TweetCandidate, Long]] = {
     val suggestType = st.SuggestType.OrganicListTweet
     val component = InjectionScribeUtil.scribeComponent(suggestType).get
-    val clientEventInfoBuilder =
-      ClientEventInfoBuilder(component, Some(ListClientEventDetailsBuilder))
+    val clientEventInfoBuilder = ClientEventInfoBuilder(
+      component = component,
+      detailsBuilder = Some(ListClientEventDetailsBuilder(st.SuggestType.OrganicListTweet))
+    )
     val tweetItemBuilder = TweetCandidateUrtItemBuilder(
       clientEventInfoBuilder = clientEventInfoBuilder
     )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/builder/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/builder/BUILD.bazel
new file mode 100644
index 0000000000..3ed81a196a
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/list_tweets/decorator/builder/BUILD.bazel
@@ -0,0 +1,10 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/decorator/urt/builder",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/BUILD.bazel
index e016b2a824..4bbbec94d0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/BUILD.bazel
@@ -4,54 +4,37 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/javax/inject:javax.inject",
-        "finatra/inject/inject-core/src/main/scala",
-        "finatra/inject/inject-core/src/main/scala/com/twitter/inject",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline",
+        "explore/explore-ranker/thrift/src/main/thrift:thrift-scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/module",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/async",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/impressed_tweets",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/param_gated",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/tweet_tlx",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/selector",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/side_effect",
-        "product-mixer/core/src/main/java/com/twitter/product_mixer/core/product/guice/scope",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap/datarecord",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/configapi",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/decorator",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/request",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common/presentation",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/marshalling/request",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/product",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/recommendation",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/scoring",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product/guice",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/quality_factor",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsProductPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsProductPipelineConfig.scala
index 9870030b80..27278db0c3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsProductPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsProductPipelineConfig.scala
@@ -1,6 +1,7 @@
 package com.twitter.home_mixer.product.scored_tweets
 
 import com.twitter.home_mixer.model.HomeFeatures.ServedTweetIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.TimelineServiceTweetsFeature
 import com.twitter.home_mixer.model.request.HomeMixerRequest
 import com.twitter.home_mixer.model.request.ScoredTweetsProduct
 import com.twitter.home_mixer.model.request.ScoredTweetsProductContext
@@ -9,6 +10,7 @@ import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.Serv
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParamConfig
 import com.twitter.home_mixer.service.HomeMixerAccessPolicy.DefaultHomeMixerAccessPolicy
 import com.twitter.home_mixer.{thriftscala => t}
+import com.twitter.product_mixer.component_library.premarshaller.cursor.UrtCursorSerializer
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.common.access_policy.AccessPolicy
 import com.twitter.product_mixer.core.model.common.identifier.ComponentIdentifier
@@ -44,19 +46,19 @@ class ScoredTweetsProductPipelineConfig @Inject() (
       case _ => throw PipelineFailure(BadRequest, "ScoredTweetsProductContext not found")
     }
 
-    val featureMap = context.servedTweetIds.map { servedTweets =>
-      FeatureMapBuilder()
-        .add(ServedTweetIdsFeature, servedTweets)
-        .build()
-    }
+    val featureMap = FeatureMapBuilder()
+      .add(ServedTweetIdsFeature, context.servedTweetIds.getOrElse(Seq.empty))
+      .add(TimelineServiceTweetsFeature, context.backfillTweetIds.getOrElse(Seq.empty))
+      .build()
 
     ScoredTweetsQuery(
       params = params,
       clientContext = request.clientContext,
-      features = featureMap,
-      pipelineCursor = None,
+      pipelineCursor =
+        request.serializedRequestCursor.flatMap(UrtCursorSerializer.deserializeOrderedCursor),
       requestedMaxResults = Some(params(ServerMaxResultsParam)),
       debugOptions = request.debugParams.flatMap(_.debugOptions),
+      features = Some(featureMap),
       deviceContext = context.deviceContext,
       seenTweetIds = context.seenTweetIds,
       qualityFactorStatus = None
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsRecommendationPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsRecommendationPipelineConfig.scala
index 8d64a29763..e3d50040b3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsRecommendationPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/ScoredTweetsRecommendationPipelineConfig.scala
@@ -1,63 +1,83 @@
 package com.twitter.home_mixer.product.scored_tweets
 
 import com.twitter.conversions.DurationOps._
-import com.twitter.home_mixer.functional_component.feature_hydrator.LastNonPollingTimeQueryFeatureHydrator
+import com.twitter.home_mixer.functional_component.feature_hydrator.FeedbackHistoryQueryFeatureHydrator
+import com.twitter.home_mixer.functional_component.feature_hydrator.ImpressionBloomFilterQueryFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.RealGraphInNetworkScoresQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.RealGraphQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.RealTimeInteractionGraphUserVertexQueryFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.RequestQueryFeatureHydrator
 import com.twitter.home_mixer.functional_component.feature_hydrator.TweetImpressionsQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.TwhinUserEngagementQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.TwhinUserFollowQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.UserLanguagesFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.UserStateQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates.PartAAggregateQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates.PartBAggregateQueryFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates.UserEngagementRealTimeAggregatesFeatureHydrator
-import com.twitter.home_mixer.functional_component.filter.KeepBestOutOfNetworkTweetPerAuthorFilter
-import com.twitter.home_mixer.functional_component.filter.OutOfNetworkCompetitorFilter
-import com.twitter.home_mixer.functional_component.filter.OutOfNetworkCompetitorURLFilter
+import com.twitter.home_mixer.functional_component.filter.FeedbackFatigueFilter
 import com.twitter.home_mixer.functional_component.filter.PreviouslySeenTweetsFilter
 import com.twitter.home_mixer.functional_component.filter.PreviouslyServedTweetsFilter
 import com.twitter.home_mixer.functional_component.filter.RejectTweetFromViewerFilter
 import com.twitter.home_mixer.functional_component.filter.RetweetDeduplicationFilter
 import com.twitter.home_mixer.functional_component.side_effect.PublishClientSentImpressionsEventBusSideEffect
 import com.twitter.home_mixer.functional_component.side_effect.PublishClientSentImpressionsManhattanSideEffect
+import com.twitter.home_mixer.functional_component.side_effect.PublishImpressionBloomFilterSideEffect
 import com.twitter.home_mixer.functional_component.side_effect.UpdateLastNonPollingTimeSideEffect
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsSupportAccountReplyFeature
 import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.param.HomeGlobalParams.EnableImpressionBloomFilter
 import com.twitter.home_mixer.param.HomeMixerFlagName.TargetFetchLatency
 import com.twitter.home_mixer.param.HomeMixerFlagName.TargetScoringLatency
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.CachedScoredTweetsCandidatePipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsCrMixerCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsBackfillCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsFrsCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsInNetworkCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsListsCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsPopularVideosCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsTweetMixerCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsUtegCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.CachedScoredTweetsQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.ListIdsQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RealGraphQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RealTimeInteractionGraphUserVertexQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RequestTimeQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TwhinUserEngagementQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TwhinUserFollowQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.UserLanguagesFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.UserStateQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.PartAAggregateQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.PartBAggregateQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates.UserEngagementRealTimeAggregatesFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.filter.DuplicateConversationTweetsFilter
+import com.twitter.home_mixer.product.scored_tweets.filter.OutOfNetworkCompetitorFilter
+import com.twitter.home_mixer.product.scored_tweets.filter.OutOfNetworkCompetitorURLFilter
+import com.twitter.home_mixer.product.scored_tweets.filter.ScoredTweetsSocialContextFilter
 import com.twitter.home_mixer.product.scored_tweets.marshaller.ScoredTweetsResponseDomainMarshaller
 import com.twitter.home_mixer.product.scored_tweets.marshaller.ScoredTweetsResponseTransportMarshaller
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsResponse
-import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.ServerMaxResultsParam
-import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsDiversityScoringPipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsRescoreOONScoringPipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsScoringPipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsWeightedScoresSumScoringPipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.MaxInNetworkResultsParam
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.MaxOutOfNetworkResultsParam
+import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsHeuristicScoringPipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.scoring_pipeline.ScoredTweetsModelScoringPipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.selector.KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType
 import com.twitter.home_mixer.product.scored_tweets.side_effect.CachedScoredTweetsSideEffect
+import com.twitter.home_mixer.product.scored_tweets.side_effect.ScribeScoredCandidatesSideEffect
 import com.twitter.home_mixer.product.scored_tweets.side_effect.ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect
 import com.twitter.home_mixer.{thriftscala => t}
 import com.twitter.inject.annotations.Flag
 import com.twitter.product_mixer.component_library.feature_hydrator.query.async.AsyncQueryFeatureHydrator
 import com.twitter.product_mixer.component_library.feature_hydrator.query.impressed_tweets.ImpressedTweetsQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.param_gated.ParamGatedQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.component_library.selector.DropDuplicateCandidates
+import com.twitter.product_mixer.component_library.selector.DropFilteredMaxCandidates
 import com.twitter.product_mixer.component_library.selector.DropMaxCandidates
 import com.twitter.product_mixer.component_library.selector.IdAndClassDuplicationKey
 import com.twitter.product_mixer.component_library.selector.InsertAppendResults
 import com.twitter.product_mixer.component_library.selector.PickFirstCandidateMerger
 import com.twitter.product_mixer.component_library.selector.UpdateSortCandidates
 import com.twitter.product_mixer.component_library.selector.sorter.FeatureValueSorter
+import com.twitter.product_mixer.core.functional_component.common.AllExceptPipelines
 import com.twitter.product_mixer.core.functional_component.common.AllPipelines
+import com.twitter.product_mixer.core.functional_component.configapi.StaticParam
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
 import com.twitter.product_mixer.core.functional_component.filter.Filter
 import com.twitter.product_mixer.core.functional_component.marshaller.TransportMarshaller
@@ -66,8 +86,10 @@ import com.twitter.product_mixer.core.functional_component.selector.Selector
 import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.ComponentIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.RecommendationPipelineIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.ScoringPipelineIdentifier
+import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
 import com.twitter.product_mixer.core.pipeline.FailOpenPolicy
 import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
 import com.twitter.product_mixer.core.pipeline.recommendation.RecommendationPipelineConfig
@@ -76,6 +98,7 @@ import com.twitter.product_mixer.core.quality_factor.BoundsWithDefault
 import com.twitter.product_mixer.core.quality_factor.LinearLatencyQualityFactorConfig
 import com.twitter.product_mixer.core.quality_factor.QualityFactorConfig
 import com.twitter.util.Duration
+
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -83,31 +106,41 @@ import javax.inject.Singleton
 class ScoredTweetsRecommendationPipelineConfig @Inject() (
   scoredTweetsInNetworkCandidatePipelineConfig: ScoredTweetsInNetworkCandidatePipelineConfig,
   scoredTweetsUtegCandidatePipelineConfig: ScoredTweetsUtegCandidatePipelineConfig,
-  scoredTweetsCrMixerCandidatePipelineConfig: ScoredTweetsCrMixerCandidatePipelineConfig,
+  scoredTweetsTweetMixerCandidatePipelineConfig: ScoredTweetsTweetMixerCandidatePipelineConfig,
   scoredTweetsFrsCandidatePipelineConfig: ScoredTweetsFrsCandidatePipelineConfig,
+  scoredTweetsListsCandidatePipelineConfig: ScoredTweetsListsCandidatePipelineConfig,
+  scoredTweetsPopularVideosCandidatePipelineConfig: ScoredTweetsPopularVideosCandidatePipelineConfig,
+  scoredTweetsBackfillCandidatePipelineConfig: ScoredTweetsBackfillCandidatePipelineConfig,
   cachedScoredTweetsCandidatePipelineConfig: CachedScoredTweetsCandidatePipelineConfig,
   requestQueryFeatureHydrator: RequestQueryFeatureHydrator[ScoredTweetsQuery],
-  lastNonPollingTimeQueryFeatureHydrator: LastNonPollingTimeQueryFeatureHydrator,
+  requestTimeQueryFeatureHydrator: RequestTimeQueryFeatureHydrator,
   realTimeInteractionGraphUserVertexQueryFeatureHydrator: RealTimeInteractionGraphUserVertexQueryFeatureHydrator,
   userStateQueryFeatureHydrator: UserStateQueryFeatureHydrator,
   userEngagementRealTimeAggregatesFeatureHydrator: UserEngagementRealTimeAggregatesFeatureHydrator,
   twhinUserEngagementQueryFeatureHydrator: TwhinUserEngagementQueryFeatureHydrator,
   twhinUserFollowQueryFeatureHydrator: TwhinUserFollowQueryFeatureHydrator,
   cachedScoredTweetsQueryFeatureHydrator: CachedScoredTweetsQueryFeatureHydrator,
-  scoredTweetsScoringPipelineConfig: ScoredTweetsScoringPipelineConfig,
-  scoredTweetsWeightedScoresSumScoringPipelineConfig: ScoredTweetsWeightedScoresSumScoringPipelineConfig,
+  sgsFollowedUsersQueryFeatureHydrator: SGSFollowedUsersQueryFeatureHydrator,
+  scoredTweetsModelScoringPipelineConfig: ScoredTweetsModelScoringPipelineConfig,
+  impressionBloomFilterQueryFeatureHydrator: ImpressionBloomFilterQueryFeatureHydrator[
+    ScoredTweetsQuery
+  ],
   manhattanTweetImpressionsQueryFeatureHydrator: TweetImpressionsQueryFeatureHydrator[
     ScoredTweetsQuery
   ],
   memcacheTweetImpressionsQueryFeatureHydrator: ImpressedTweetsQueryFeatureHydrator,
+  listIdsQueryFeatureHydrator: ListIdsQueryFeatureHydrator,
+  feedbackHistoryQueryFeatureHydrator: FeedbackHistoryQueryFeatureHydrator,
   publishClientSentImpressionsEventBusSideEffect: PublishClientSentImpressionsEventBusSideEffect,
   publishClientSentImpressionsManhattanSideEffect: PublishClientSentImpressionsManhattanSideEffect,
+  publishImpressionBloomFilterSideEffect: PublishImpressionBloomFilterSideEffect,
   realGraphInNetworkScoresQueryFeatureHydrator: RealGraphInNetworkScoresQueryFeatureHydrator,
   realGraphQueryFeatureHydrator: RealGraphQueryFeatureHydrator,
   userLanguagesFeatureHydrator: UserLanguagesFeatureHydrator,
   partAAggregateQueryFeatureHydrator: PartAAggregateQueryFeatureHydrator,
   partBAggregateQueryFeatureHydrator: PartBAggregateQueryFeatureHydrator,
   cachedScoredTweetsSideEffect: CachedScoredTweetsSideEffect,
+  scribeScoredCandidatesSideEffect: ScribeScoredCandidatesSideEffect,
   scribeServedCommonFeaturesAndCandidateFeaturesSideEffect: ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect,
   updateLastNonPollingTimeSideEffect: UpdateLastNonPollingTimeSideEffect[
     ScoredTweetsQuery,
@@ -125,17 +158,27 @@ class ScoredTweetsRecommendationPipelineConfig @Inject() (
   override val identifier: RecommendationPipelineIdentifier =
     RecommendationPipelineIdentifier("ScoredTweets")
 
+  private val SubscriptionReplyFilterId = "SubscriptionReply"
+  private val MaxBackfillTweets = 50
+
   private val scoringStep = RecommendationPipelineConfig.scoringPipelinesStep
 
   override val fetchQueryFeatures: Seq[QueryFeatureHydrator[ScoredTweetsQuery]] = Seq(
     requestQueryFeatureHydrator,
     realGraphInNetworkScoresQueryFeatureHydrator,
     cachedScoredTweetsQueryFeatureHydrator,
+    sgsFollowedUsersQueryFeatureHydrator,
+    ParamGatedQueryFeatureHydrator(
+      EnableImpressionBloomFilter,
+      impressionBloomFilterQueryFeatureHydrator
+    ),
     manhattanTweetImpressionsQueryFeatureHydrator,
     memcacheTweetImpressionsQueryFeatureHydrator,
+    listIdsQueryFeatureHydrator,
+    userStateQueryFeatureHydrator,
+    AsyncQueryFeatureHydrator(scoringStep, feedbackHistoryQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(scoringStep, realGraphQueryFeatureHydrator),
-    AsyncQueryFeatureHydrator(scoringStep, lastNonPollingTimeQueryFeatureHydrator),
-    AsyncQueryFeatureHydrator(scoringStep, userStateQueryFeatureHydrator),
+    AsyncQueryFeatureHydrator(scoringStep, requestTimeQueryFeatureHydrator),
     AsyncQueryFeatureHydrator(scoringStep, userLanguagesFeatureHydrator),
     AsyncQueryFeatureHydrator(scoringStep, userEngagementRealTimeAggregatesFeatureHydrator),
     AsyncQueryFeatureHydrator(scoringStep, realTimeInteractionGraphUserVertexQueryFeatureHydrator),
@@ -151,8 +194,11 @@ class ScoredTweetsRecommendationPipelineConfig @Inject() (
     cachedScoredTweetsCandidatePipelineConfig,
     scoredTweetsInNetworkCandidatePipelineConfig,
     scoredTweetsUtegCandidatePipelineConfig,
-    scoredTweetsCrMixerCandidatePipelineConfig,
-    scoredTweetsFrsCandidatePipelineConfig
+    scoredTweetsTweetMixerCandidatePipelineConfig,
+    scoredTweetsFrsCandidatePipelineConfig,
+    scoredTweetsListsCandidatePipelineConfig,
+    scoredTweetsPopularVideosCandidatePipelineConfig,
+    scoredTweetsBackfillCandidatePipelineConfig
   )
 
   override val postCandidatePipelinesSelectors: Seq[Selector[ScoredTweetsQuery]] = Seq(
@@ -168,9 +214,16 @@ class ScoredTweetsRecommendationPipelineConfig @Inject() (
     // sort these to have the "cheaper" filters run first
     RejectTweetFromViewerFilter,
     RetweetDeduplicationFilter,
-    PreviouslyServedTweetsFilter,
     PreviouslySeenTweetsFilter,
-    OutOfNetworkCompetitorFilter
+    PreviouslyServedTweetsFilter,
+    PredicateFeatureFilter.fromPredicate(
+      FilterIdentifier(SubscriptionReplyFilterId),
+      shouldKeepCandidate = { features =>
+        features.getOrElse(InReplyToTweetIdFeature, None).isEmpty ||
+        features.getOrElse(ExclusiveConversationAuthorIdFeature, None).isEmpty
+      }
+    ),
+    FeedbackFatigueFilter
   )
 
   override val candidatePipelineFailOpenPolicies: Map[CandidatePipelineIdentifier, FailOpenPolicy] =
@@ -178,19 +231,20 @@ class ScoredTweetsRecommendationPipelineConfig @Inject() (
       cachedScoredTweetsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
       scoredTweetsInNetworkCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
       scoredTweetsUtegCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
-      scoredTweetsCrMixerCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
-      scoredTweetsFrsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always
+      scoredTweetsTweetMixerCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+      scoredTweetsFrsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+      scoredTweetsListsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+      scoredTweetsPopularVideosCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+      scoredTweetsBackfillCandidatePipelineConfig.identifier -> FailOpenPolicy.Always
     )
 
   override val scoringPipelineFailOpenPolicies: Map[ScoringPipelineIdentifier, FailOpenPolicy] =
     Map(
-      ScoredTweetsRescoreOONScoringPipelineConfig.identifier -> FailOpenPolicy.Always,
-      ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig.identifier -> FailOpenPolicy.Always,
-      ScoredTweetsDiversityScoringPipelineConfig.identifier -> FailOpenPolicy.Always
+      ScoredTweetsHeuristicScoringPipelineConfig.identifier -> FailOpenPolicy.Always
     )
 
   private val candidatePipelineQualityFactorConfig = LinearLatencyQualityFactorConfig(
-    qualityFactorBounds = BoundsWithDefault(minInclusive = 0.1, maxInclusive = 1.0, default = 0.4),
+    qualityFactorBounds = BoundsWithDefault(minInclusive = 0.1, maxInclusive = 1.0, default = 0.95),
     initialDelay = 60.seconds,
     targetLatency = targetFetchLatency,
     targetLatencyPercentile = 95.0,
@@ -204,41 +258,73 @@ class ScoredTweetsRecommendationPipelineConfig @Inject() (
     // candidate pipelines
     scoredTweetsInNetworkCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
     scoredTweetsUtegCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
-    scoredTweetsCrMixerCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
+    scoredTweetsTweetMixerCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
     scoredTweetsFrsCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
+    scoredTweetsListsCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
+    scoredTweetsPopularVideosCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
+    scoredTweetsBackfillCandidatePipelineConfig.identifier -> candidatePipelineQualityFactorConfig,
     // scoring pipelines
-    scoredTweetsScoringPipelineConfig.identifier -> scoringPipelineQualityFactorConfig,
+    scoredTweetsModelScoringPipelineConfig.identifier -> scoringPipelineQualityFactorConfig,
   )
 
   override val scoringPipelines: Seq[ScoringPipelineConfig[ScoredTweetsQuery, TweetCandidate]] =
     Seq(
-      // scoring pipielines - run on non-cached candidates only since cached ones are already scored
-      scoredTweetsScoringPipelineConfig,
-      scoredTweetsWeightedScoresSumScoringPipelineConfig,
-      // re-scoring pipielines - run on all candidates since these are request specific
-      ScoredTweetsRescoreOONScoringPipelineConfig,
-      ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig,
-      ScoredTweetsDiversityScoringPipelineConfig
+      // scoring pipeline - run on non-cached candidates only since cached ones are already scored
+      scoredTweetsModelScoringPipelineConfig,
+      // re-scoring pipeline - run on all candidates since these are request specific
+      ScoredTweetsHeuristicScoringPipelineConfig
     )
 
-  override val resultSelectors: Seq[Selector[ScoredTweetsQuery]] = Seq(
-    UpdateSortCandidates(AllPipelines, FeatureValueSorter.descending(ScoreFeature)),
-    DropMaxCandidates(AllPipelines, ServerMaxResultsParam),
-    InsertAppendResults(AllPipelines)
+  override val postScoringFilters = Seq(
+    ScoredTweetsSocialContextFilter,
+    OutOfNetworkCompetitorFilter,
+    OutOfNetworkCompetitorURLFilter,
+    DuplicateConversationTweetsFilter,
+    PredicateFeatureFilter.fromPredicate(
+      FilterIdentifier("IsSupportAccountReply"),
+      shouldKeepCandidate = { features =>
+        !features.getOrElse(IsSupportAccountReplyFeature, false)
+      })
   )
 
-  override val postSelectionFilters = Seq(
-    OutOfNetworkCompetitorURLFilter,
-    KeepBestOutOfNetworkTweetPerAuthorFilter,
+  override val resultSelectors: Seq[Selector[ScoredTweetsQuery]] = Seq(
+    KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType(AllPipelines),
+    UpdateSortCandidates(AllPipelines, FeatureValueSorter.descending(ScoreFeature)),
+    DropFilteredMaxCandidates(
+      pipelineScope =
+        AllExceptPipelines(Set(scoredTweetsBackfillCandidatePipelineConfig.identifier)),
+      filter = {
+        case ItemCandidateWithDetails(_, _, features) =>
+          features.getOrElse(InNetworkFeature, false)
+        case _ => false
+      },
+      maxSelectionsParam = MaxInNetworkResultsParam
+    ),
+    DropFilteredMaxCandidates(
+      pipelineScope = AllPipelines,
+      filter = {
+        case ItemCandidateWithDetails(_, _, features) =>
+          !features.getOrElse(InNetworkFeature, false)
+        case _ => false
+      },
+      maxSelectionsParam = MaxOutOfNetworkResultsParam
+    ),
+    DropMaxCandidates(
+      candidatePipeline = scoredTweetsBackfillCandidatePipelineConfig.identifier,
+      maxSelectionsParam = StaticParam(MaxBackfillTweets)
+    ),
+    InsertAppendResults(AllPipelines)
   )
 
   override val resultSideEffects: Seq[
     PipelineResultSideEffect[ScoredTweetsQuery, ScoredTweetsResponse]
   ] = Seq(
     cachedScoredTweetsSideEffect,
-    scribeServedCommonFeaturesAndCandidateFeaturesSideEffect,
     publishClientSentImpressionsEventBusSideEffect,
     publishClientSentImpressionsManhattanSideEffect,
+    publishImpressionBloomFilterSideEffect,
+    scribeScoredCandidatesSideEffect,
+    scribeServedCommonFeaturesAndCandidateFeaturesSideEffect,
     updateLastNonPollingTimeSideEffect
   )
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/BUILD.bazel
index c5cec9df1f..c5bb294a19 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/BUILD.bazel
@@ -4,10 +4,7 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/javax/inject:javax.inject",
-        "cr-mixer/thrift/src/main/thrift:thrift-scala",
-        "finatra/inject/inject-core/src/main/scala",
-        "finatra/inject/inject-core/src/main/scala/com/twitter/inject",
+        "explore/explore-ranker/thrift/src/main/thrift:thrift-scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate",
@@ -15,27 +12,26 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/cr_mixer",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/explore_ranker",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timeline_ranker",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/tweet_mixer",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
-        "product-mixer/core/src/main/java/com/twitter/product_mixer/core/product/guice/scope",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/request",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product/guice",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/quality_factor",
         "src/thrift/com/twitter/timelineranker:thrift-scala",
+        "tweet-mixer/thrift/src/main/thrift:thrift-scala",
     ],
     exports = [
-        "cr-mixer/thrift/src/main/thrift:thrift-scala",
         "src/thrift/com/twitter/timelineranker:thrift-scala",
+        "tweet-mixer/thrift/src/main/thrift:thrift-scala",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/CachedScoredTweetsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/CachedScoredTweetsCandidatePipelineConfig.scala
index 95cc79aad3..65a42cbee0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/CachedScoredTweetsCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/CachedScoredTweetsCandidatePipelineConfig.scala
@@ -24,7 +24,7 @@ class CachedScoredTweetsCandidatePipelineConfig @Inject() (
     extends CandidatePipelineConfig[
       ScoredTweetsQuery,
       ScoredTweetsQuery,
-      hmt.CachedScoredTweet,
+      hmt.ScoredTweet,
       TweetCandidate
     ] {
 
@@ -35,15 +35,15 @@ class CachedScoredTweetsCandidatePipelineConfig @Inject() (
     ScoredTweetsQuery
   ] = identity
 
-  override val candidateSource: BaseCandidateSource[ScoredTweetsQuery, hmt.CachedScoredTweet] =
+  override val candidateSource: BaseCandidateSource[ScoredTweetsQuery, hmt.ScoredTweet] =
     cachedScoredTweetsCandidateSource
 
   override val featuresFromCandidateSourceTransformers: Seq[
-    CandidateFeatureTransformer[hmt.CachedScoredTweet]
+    CandidateFeatureTransformer[hmt.ScoredTweet]
   ] = Seq(CachedScoredTweetsResponseFeatureTransformer)
 
   override val resultTransformer: CandidatePipelineResultsTransformer[
-    hmt.CachedScoredTweet,
+    hmt.ScoredTweet,
     TweetCandidate
   ] = { sourceResult => TweetCandidate(id = sourceResult.tweetId) }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsBackfillCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsBackfillCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..c34031c789
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsBackfillCandidatePipelineConfig.scala
@@ -0,0 +1,94 @@
+package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
+
+import com.twitter.home_mixer.functional_component.filter.ReplyFilter
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.TimelineServiceTweetsFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetypieStaticEntitiesFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.gate.MinTimeSinceLastRequestGate
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.EnableBackfillCandidatePipelineParam
+import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsBackfillResponseFeatureTransformer
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
+import com.twitter.product_mixer.core.functional_component.candidate_source.PassthroughCandidateSource
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.CandidateSourceIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.timelines.configapi.FSParam
+import com.twitter.timelines.configapi.decider.DeciderParam
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ScoredTweetsBackfillCandidatePipelineConfig @Inject() (
+  tweetypieStaticEntitiesHydrator: TweetypieStaticEntitiesFeatureHydrator)
+    extends CandidatePipelineConfig[
+      ScoredTweetsQuery,
+      ScoredTweetsQuery,
+      Long,
+      TweetCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ScoredTweetsBackfill")
+
+  private val HasAuthorFilterId = "HasAuthor"
+
+  override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
+    Some(CandidatePipeline.EnableBackfillParam)
+
+  override val supportedClientParam: Option[FSParam[Boolean]] =
+    Some(EnableBackfillCandidatePipelineParam)
+
+  override val gates: Seq[Gate[ScoredTweetsQuery]] =
+    Seq(
+      MinTimeSinceLastRequestGate,
+      NonEmptySeqFeatureGate(TimelineServiceTweetsFeature),
+      MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
+    )
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ScoredTweetsQuery,
+    ScoredTweetsQuery
+  ] = identity
+
+  override def candidateSource: CandidateSource[ScoredTweetsQuery, Long] =
+    PassthroughCandidateSource(
+      identifier = CandidateSourceIdentifier("ScoredTweetsBackfill"),
+      candidateExtractor = { query =>
+        query.features.map(_.getOrElse(TimelineServiceTweetsFeature, Seq.empty)).toSeq.flatten
+      }
+    )
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[Long]
+  ] = Seq(ScoredTweetsBackfillResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[Long, TweetCandidate] = {
+    sourceResult => TweetCandidate(id = sourceResult)
+  }
+
+  override val preFilterFeatureHydrationPhase1: Seq[
+    BaseCandidateFeatureHydrator[ScoredTweetsQuery, TweetCandidate, _]
+  ] = Seq(tweetypieStaticEntitiesHydrator)
+
+  override val filters: Seq[Filter[ScoredTweetsQuery, TweetCandidate]] = Seq(
+    ReplyFilter,
+    PredicateFeatureFilter.fromPredicate(
+      FilterIdentifier(HasAuthorFilterId),
+      shouldKeepCandidate = _.getOrElse(AuthorIdFeature, None).isDefined
+    )
+  )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsFrsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsFrsCandidatePipelineConfig.scala
index 018eaa6886..f25a839b7c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsFrsCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsFrsCandidatePipelineConfig.scala
@@ -1,9 +1,10 @@
 package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
 
-import com.twitter.home_mixer.functional_component.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.FrsSeedUsersQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
-import com.twitter.home_mixer.product.scored_tweets.query_feature_hydrator.FrsSeedUsersQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerFrsQueryTransformer
 import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsFrsResponseFeatureTransformer
 import com.twitter.product_mixer.component_library.candidate_source.timeline_ranker.TimelineRankerRecapCandidateSource
@@ -17,6 +18,7 @@ import com.twitter.product_mixer.core.functional_component.transformer.Candidate
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
 import com.twitter.timelineranker.{thriftscala => tlr}
+import com.twitter.timelines.configapi.decider.DeciderParam
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -40,6 +42,9 @@ class ScoredTweetsFrsCandidatePipelineConfig @Inject() (
   override val identifier: CandidatePipelineIdentifier =
     CandidatePipelineIdentifier("ScoredTweetsFrs")
 
+  override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
+    Some(CandidatePipeline.EnableFrsParam)
+
   override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
     MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
   )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsInNetworkCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsInNetworkCandidatePipelineConfig.scala
index 28118238d1..63bd1add88 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsInNetworkCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsInNetworkCandidatePipelineConfig.scala
@@ -1,12 +1,13 @@
 package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.ReplyFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.RetweetSourceTweetFeatureHydrator
-import com.twitter.home_mixer.functional_component.filter.RetweetSourceTweetRemovingFilter
-import com.twitter.home_mixer.functional_component.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.IsExtendedReplyFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.ReplyFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RetweetSourceTweetFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.filter.RetweetSourceTweetRemovingFilter
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
-import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.InNetworkSource
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerInNetworkQueryTransformer
 import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsInNetworkResponseFeatureTransformer
 import com.twitter.product_mixer.component_library.candidate_source.timeline_ranker.TimelineRankerInNetworkCandidateSource
@@ -23,7 +24,6 @@ import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
 import com.twitter.timelineranker.{thriftscala => t}
 import com.twitter.timelines.configapi.decider.DeciderParam
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -45,7 +45,7 @@ class ScoredTweetsInNetworkCandidatePipelineConfig @Inject() (
     CandidatePipelineIdentifier("ScoredTweetsInNetwork")
 
   override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
-    Some(InNetworkSource.EnableCandidatePipelineParam)
+    Some(CandidatePipeline.EnableInNetworkParam)
 
   override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
     MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
@@ -69,7 +69,7 @@ class ScoredTweetsInNetworkCandidatePipelineConfig @Inject() (
 
   override val postFilterFeatureHydration: Seq[
     BaseCandidateFeatureHydrator[PipelineQuery, TweetCandidate, _]
-  ] = Seq(replyFeatureHydrator)
+  ] = Seq(IsExtendedReplyFeatureHydrator, replyFeatureHydrator)
 
   override val featuresFromCandidateSourceTransformers: Seq[
     CandidateFeatureTransformer[t.CandidateTweet]
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsListsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsListsCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..1161a8278f
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsListsCandidatePipelineConfig.scala
@@ -0,0 +1,86 @@
+package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
+
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetypieStaticEntitiesFeatureHydrator
+import com.twitter.home_mixer.functional_component.filter.ReplyFilter
+import com.twitter.home_mixer.functional_component.filter.RetweetFilter
+import com.twitter.home_mixer.product.scored_tweets.candidate_source.ListsCandidateSource
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.ListIdsFeature
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
+import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsListsResponseFeatureTransformer
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.timelines.configapi.decider.DeciderParam
+import com.twitter.timelineservice.{thriftscala => t}
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ScoredTweetsListsCandidatePipelineConfig @Inject() (
+  listsCandidateSource: ListsCandidateSource,
+  tweetypieStaticEntitiesHydrator: TweetypieStaticEntitiesFeatureHydrator)
+    extends CandidatePipelineConfig[
+      ScoredTweetsQuery,
+      Seq[t.TimelineQuery],
+      t.Tweet,
+      TweetCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ScoredTweetsLists")
+
+  private val MaxTweetsToFetchPerList = 20
+
+  override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
+    Some(CandidatePipeline.EnableListsParam)
+
+  override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
+    NonEmptySeqFeatureGate(ListIdsFeature),
+    MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
+  )
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ScoredTweetsQuery,
+    Seq[t.TimelineQuery]
+  ] = { query =>
+    val listIds = query.features.map(_.get(ListIdsFeature)).get
+    listIds.map { listId =>
+      t.TimelineQuery(
+        timelineType = t.TimelineType.List,
+        timelineId = listId,
+        maxCount = MaxTweetsToFetchPerList.toShort,
+        options = Some(t.TimelineQueryOptions(query.clientContext.userId)),
+        timelineId2 = Some(t.TimelineId(t.TimelineType.List, listId, None))
+      )
+    }
+  }
+
+  override def candidateSource: CandidateSource[Seq[t.TimelineQuery], t.Tweet] =
+    listsCandidateSource
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[t.Tweet]
+  ] = Seq(ScoredTweetsListsResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[t.Tweet, TweetCandidate] = {
+    sourceResult => TweetCandidate(id = sourceResult.statusId)
+  }
+
+  override val preFilterFeatureHydrationPhase1: Seq[
+    BaseCandidateFeatureHydrator[ScoredTweetsQuery, TweetCandidate, _]
+  ] = Seq(tweetypieStaticEntitiesHydrator)
+
+  override val filters: Seq[Filter[ScoredTweetsQuery, TweetCandidate]] =
+    Seq(ReplyFilter, RetweetFilter)
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsPopularVideosCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsPopularVideosCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..c8b28b0ff4
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsPopularVideosCandidatePipelineConfig.scala
@@ -0,0 +1,82 @@
+package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
+
+import com.twitter.explore_ranker.{thriftscala => ert}
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetypieStaticEntitiesFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
+import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsPopularVideosResponseFeatureTransformer
+import com.twitter.home_mixer.util.CachedScoredTweetsHelper
+import com.twitter.product_mixer.component_library.candidate_source.explore_ranker.ExploreRankerImmersiveRecsCandidateSource
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.marshaller.request.ClientContextMarshaller
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.timelines.configapi.decider.DeciderParam
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ScoredTweetsPopularVideosCandidatePipelineConfig @Inject() (
+  exploreRankerCandidateSource: ExploreRankerImmersiveRecsCandidateSource,
+  tweetypieStaticEntitiesFeatureHydrator: TweetypieStaticEntitiesFeatureHydrator)
+    extends CandidatePipelineConfig[
+      ScoredTweetsQuery,
+      ert.ExploreRankerRequest,
+      ert.ExploreTweetRecommendation,
+      TweetCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ScoredTweetsPopularVideos")
+
+  private val MaxTweetsToFetch = 40
+
+  override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
+    Some(CandidatePipeline.EnablePopularVideosParam)
+
+  override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
+    MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
+  )
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ScoredTweetsQuery,
+    ert.ExploreRankerRequest
+  ] = { query =>
+    val excludedTweetIds = query.features.map(
+      CachedScoredTweetsHelper.tweetImpressionsAndCachedScoredTweets(_, identifier))
+
+    ert.ExploreRankerRequest(
+      clientContext = ClientContextMarshaller(query.clientContext),
+      product = ert.Product.HomeTimelineVideoInline,
+      productContext = Some(
+        ert.ProductContext.HomeTimelineVideoInline(ert.HomeTimelineVideoInline(excludedTweetIds))),
+      maxResults = Some(MaxTweetsToFetch)
+    )
+  }
+
+  override def candidateSource: BaseCandidateSource[
+    ert.ExploreRankerRequest,
+    ert.ExploreTweetRecommendation
+  ] = exploreRankerCandidateSource
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[ert.ExploreTweetRecommendation]
+  ] = Seq(ScoredTweetsPopularVideosResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    ert.ExploreTweetRecommendation,
+    TweetCandidate
+  ] = { sourceResult => TweetCandidate(id = sourceResult.tweetId) }
+
+  override val preFilterFeatureHydrationPhase1: Seq[
+    BaseCandidateFeatureHydrator[ScoredTweetsQuery, TweetCandidate, _]
+  ] = Seq(tweetypieStaticEntitiesFeatureHydrator)
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsCrMixerCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsTweetMixerCandidatePipelineConfig.scala
similarity index 70%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsCrMixerCandidatePipelineConfig.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsTweetMixerCandidatePipelineConfig.scala
index 1ec9353f8e..df16e3f119 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsCrMixerCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsTweetMixerCandidatePipelineConfig.scala
@@ -1,16 +1,16 @@
 package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
 
-import com.twitter.cr_mixer.{thriftscala => t}
-import com.twitter.home_mixer.functional_component.feature_hydrator.TweetypieStaticEntitiesFeatureHydrator
-import com.twitter.home_mixer.functional_component.filter.PredicateFeatureFilter
-import com.twitter.home_mixer.functional_component.gate.MinCachedTweetsGate
+import com.twitter.tweet_mixer.{thriftscala => t}
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetypieStaticEntitiesFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
-import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CrMixerSource
-import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsCrMixerResponseFeatureTransformer
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
+import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsTweetMixerResponseFeatureTransformer
 import com.twitter.home_mixer.util.CachedScoredTweetsHelper
-import com.twitter.product_mixer.component_library.candidate_source.cr_mixer.CrMixerTweetRecommendationsCandidateSource
+import com.twitter.product_mixer.component_library.candidate_source.tweet_mixer.TweetMixerCandidateSource
+import com.twitter.product_mixer.component_library.filter.PredicateFeatureFilter
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
@@ -24,55 +24,57 @@ import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineI
 import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
 import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
 import com.twitter.timelines.configapi.decider.DeciderParam
+
 import javax.inject.Inject
 import javax.inject.Singleton
 
 /**
- * Candidate Pipeline Config that fetches tweets from CrMixer.
+ * Candidate Pipeline Config that fetches tweets from TweetMixer.
  */
 @Singleton
-class ScoredTweetsCrMixerCandidatePipelineConfig @Inject() (
-  crMixerTweetRecommendationsCandidateSource: CrMixerTweetRecommendationsCandidateSource,
+class ScoredTweetsTweetMixerCandidatePipelineConfig @Inject() (
+  tweetMixerCandidateSource: TweetMixerCandidateSource,
   tweetypieStaticEntitiesFeatureHydrator: TweetypieStaticEntitiesFeatureHydrator)
     extends CandidatePipelineConfig[
       ScoredTweetsQuery,
-      t.CrMixerTweetRequest,
-      t.TweetRecommendation,
+      t.TweetMixerRequest,
+      t.TweetResult,
       TweetCandidate
     ] {
 
   override val identifier: CandidatePipelineIdentifier =
-    CandidatePipelineIdentifier("ScoredTweetsCrMixer")
+    CandidatePipelineIdentifier("ScoredTweetsTweetMixer")
 
   val HasAuthorFilterId = "HasAuthor"
 
   override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
-    Some(CrMixerSource.EnableCandidatePipelineParam)
+    Some(CandidatePipeline.EnableTweetMixerParam)
 
   override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
-    MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
+    MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam),
   )
 
-  override val candidateSource: BaseCandidateSource[t.CrMixerTweetRequest, t.TweetRecommendation] =
-    crMixerTweetRecommendationsCandidateSource
+  override val candidateSource: BaseCandidateSource[t.TweetMixerRequest, t.TweetResult] =
+    tweetMixerCandidateSource
 
-  private val MaxTweetsToFetch = 500
+  private val MaxTweetsToFetch = 400
 
   override val queryTransformer: CandidatePipelineQueryTransformer[
     ScoredTweetsQuery,
-    t.CrMixerTweetRequest
+    t.TweetMixerRequest
   ] = { query =>
     val maxCount = (query.getQualityFactorCurrentValue(identifier) * MaxTweetsToFetch).toInt
 
     val excludedTweetIds = query.features.map(
       CachedScoredTweetsHelper.tweetImpressionsAndCachedScoredTweets(_, identifier))
 
-    t.CrMixerTweetRequest(
+    t.TweetMixerRequest(
       clientContext = ClientContextMarshaller(query.clientContext),
-      product = t.Product.Home,
-      productContext =
-        Some(t.ProductContext.HomeContext(t.HomeContext(maxResults = Some(maxCount)))),
-      excludedTweetIds = excludedTweetIds
+      product = t.Product.HomeRecommendedTweets,
+      productContext = Some(
+        t.ProductContext.HomeRecommendedTweetsProductContext(
+          t.HomeRecommendedTweetsProductContext(excludedTweetIds = excludedTweetIds.map(_.toSet)))),
+      maxResults = Some(maxCount)
     )
   }
 
@@ -81,8 +83,8 @@ class ScoredTweetsCrMixerCandidatePipelineConfig @Inject() (
   ] = Seq(tweetypieStaticEntitiesFeatureHydrator)
 
   override val featuresFromCandidateSourceTransformers: Seq[
-    CandidateFeatureTransformer[t.TweetRecommendation]
-  ] = Seq(ScoredTweetsCrMixerResponseFeatureTransformer)
+    CandidateFeatureTransformer[t.TweetResult]
+  ] = Seq(ScoredTweetsTweetMixerResponseFeatureTransformer)
 
   override val filters: Seq[Filter[ScoredTweetsQuery, TweetCandidate]] = Seq(
     PredicateFeatureFilter.fromPredicate(
@@ -92,7 +94,7 @@ class ScoredTweetsCrMixerCandidatePipelineConfig @Inject() (
   )
 
   override val resultTransformer: CandidatePipelineResultsTransformer[
-    t.TweetRecommendation,
+    t.TweetResult,
     TweetCandidate
   ] = { sourceResult => TweetCandidate(id = sourceResult.tweetId) }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsUtegCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsUtegCandidatePipelineConfig.scala
index b58ca784f0..9178d07894 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsUtegCandidatePipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/ScoredTweetsUtegCandidatePipelineConfig.scala
@@ -1,9 +1,9 @@
 package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline
 
-import com.twitter.home_mixer.functional_component.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
-import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.UtegSource
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CandidatePipeline
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerUtegQueryTransformer
 import com.twitter.home_mixer.product.scored_tweets.response_transformer.ScoredTweetsUtegResponseFeatureTransformer
 import com.twitter.product_mixer.component_library.candidate_source.timeline_ranker.TimelineRankerUtegCandidateSource
@@ -17,7 +17,6 @@ import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineI
 import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
 import com.twitter.timelineranker.{thriftscala => t}
 import com.twitter.timelines.configapi.decider.DeciderParam
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -38,7 +37,7 @@ class ScoredTweetsUtegCandidatePipelineConfig @Inject() (
     CandidatePipelineIdentifier("ScoredTweetsUteg")
 
   override val enabledDeciderParam: Option[DeciderParam[Boolean]] =
-    Some(UtegSource.EnableCandidatePipelineParam)
+    Some(CandidatePipeline.EnableUtegParam)
 
   override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
     MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/BUILD.bazel
new file mode 100644
index 0000000000..618c4a0811
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/BUILD.bazel
@@ -0,0 +1,21 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/earlybird",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
+        "src/thrift/com/twitter/search:earlybird-scala",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdFrsCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdFrsCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..0d59bf3ca6
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdFrsCandidatePipelineConfig.scala
@@ -0,0 +1,69 @@
+package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.earlybird
+
+import com.twitter.finagle.thrift.ClientId
+import com.twitter.home_mixer.functional_component.candidate_source.EarlybirdCandidateSource
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.FrsSeedUsersQueryFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
+import com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird.EarlybirdFrsQueryTransformer
+import com.twitter.home_mixer.product.scored_tweets.response_transformer.earlybird.ScoredTweetsEarlybirdFrsResponseFeatureTransformer
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseQueryFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.search.earlybird.{thriftscala => eb}
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Candidate Pipeline Config that fetches tweets from the earlybird FRS Candidate Source
+ */
+@Singleton
+class ScoredTweetsEarlybirdFrsCandidatePipelineConfig @Inject() (
+  earlybirdCandidateSource: EarlybirdCandidateSource,
+  frsSeedUsersQueryFeatureHydrator: FrsSeedUsersQueryFeatureHydrator,
+  clientId: ClientId)
+    extends CandidatePipelineConfig[
+      ScoredTweetsQuery,
+      eb.EarlybirdRequest,
+      eb.ThriftSearchResult,
+      TweetCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ScoredTweetsEarlybirdFrs")
+
+  override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
+    MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
+  )
+
+  override val queryFeatureHydration: Seq[
+    BaseQueryFeatureHydrator[ScoredTweetsQuery, _]
+  ] = Seq(frsSeedUsersQueryFeatureHydrator)
+
+  override val candidateSource: BaseCandidateSource[eb.EarlybirdRequest, eb.ThriftSearchResult] =
+    earlybirdCandidateSource
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ScoredTweetsQuery,
+    eb.EarlybirdRequest
+  ] = EarlybirdFrsQueryTransformer(identifier, clientId = Some(clientId.name))
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[eb.ThriftSearchResult]
+  ] = Seq(ScoredTweetsEarlybirdFrsResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    eb.ThriftSearchResult,
+    TweetCandidate
+  ] = { sourceResult => TweetCandidate(id = sourceResult.id) }
+
+  override def filters: Seq[Filter[ScoredTweetsQuery, TweetCandidate]] = Seq.empty
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdInNetworkCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdInNetworkCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..acb26ce425
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline/earlybird/ScoredTweetsEarlybirdInNetworkCandidatePipelineConfig.scala
@@ -0,0 +1,59 @@
+package com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.earlybird
+
+import com.twitter.finagle.thrift.ClientId
+import com.twitter.home_mixer.functional_component.candidate_source.EarlybirdCandidateSource
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CachedScoredTweets
+import com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird.EarlybirdInNetworkQueryTransformer
+import com.twitter.home_mixer.product.scored_tweets.response_transformer.earlybird.ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.search.earlybird.{thriftscala => eb}
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Candidate Pipeline Config that fetches tweets from the earlybird InNetwork Candidate Source
+ */
+@Singleton
+class ScoredTweetsEarlybirdInNetworkCandidatePipelineConfig @Inject() (
+  earlybirdCandidateSource: EarlybirdCandidateSource,
+  clientId: ClientId)
+    extends CandidatePipelineConfig[
+      ScoredTweetsQuery,
+      eb.EarlybirdRequest,
+      eb.ThriftSearchResult,
+      TweetCandidate
+    ] {
+
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("ScoredTweetsEarlybirdInNetwork")
+
+  override val gates: Seq[Gate[ScoredTweetsQuery]] = Seq(
+    MinCachedTweetsGate(identifier, CachedScoredTweets.MinCachedTweetsParam)
+  )
+
+  override val candidateSource: BaseCandidateSource[eb.EarlybirdRequest, eb.ThriftSearchResult] =
+    earlybirdCandidateSource
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    ScoredTweetsQuery,
+    eb.EarlybirdRequest
+  ] = EarlybirdInNetworkQueryTransformer(identifier, clientId = Some(clientId.name))
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[eb.ThriftSearchResult]
+  ] = Seq(ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    eb.ThriftSearchResult,
+    TweetCandidate
+  ] = { sourceResult => TweetCandidate(id = sourceResult.id) }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/BUILD.bazel
index 58fe8621d3..4461d84606 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/BUILD.bazel
@@ -4,9 +4,10 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
+        "src/thrift/com/twitter/timelineservice:thrift-scala",
+        "stitch/stitch-timelineservice",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/CachedScoredTweetsCandidateSource.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/CachedScoredTweetsCandidateSource.scala
index 15a522efa6..a5f556e7cb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/CachedScoredTweetsCandidateSource.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/CachedScoredTweetsCandidateSource.scala
@@ -12,12 +12,12 @@ import javax.inject.Singleton
 
 @Singleton
 class CachedScoredTweetsCandidateSource @Inject() ()
-    extends CandidateSource[PipelineQuery, hmt.CachedScoredTweet] {
+    extends CandidateSource[PipelineQuery, hmt.ScoredTweet] {
 
   override val identifier: CandidateSourceIdentifier =
     CandidateSourceIdentifier("CachedScoredTweets")
 
-  override def apply(request: PipelineQuery): Stitch[Seq[hmt.CachedScoredTweet]] = {
+  override def apply(request: PipelineQuery): Stitch[Seq[hmt.ScoredTweet]] = {
     Stitch.value(
       request.features.map(CachedScoredTweetsHelper.unseenCachedScoredTweets).getOrElse(Seq.empty))
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/ListsCandidateSource.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/ListsCandidateSource.scala
new file mode 100644
index 0000000000..395ac7da8f
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_source/ListsCandidateSource.scala
@@ -0,0 +1,27 @@
+package com.twitter.home_mixer.product.scored_tweets.candidate_source
+
+import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
+import com.twitter.product_mixer.core.model.common.identifier.CandidateSourceIdentifier
+import com.twitter.stitch.Stitch
+import com.twitter.stitch.timelineservice.TimelineService
+import com.twitter.timelineservice.{thriftscala => tls}
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ListsCandidateSource @Inject() (timelineService: TimelineService)
+    extends CandidateSource[Seq[tls.TimelineQuery], tls.Tweet] {
+
+  override val identifier: CandidateSourceIdentifier = CandidateSourceIdentifier("Lists")
+
+  override def apply(requests: Seq[tls.TimelineQuery]): Stitch[Seq[tls.Tweet]] = {
+    val timelines = Stitch.traverse(requests) { request => timelineService.getTimeline(request) }
+
+    timelines.map {
+      _.flatMap {
+        _.entries.collect { case tls.TimelineEntry.Tweet(tweet) => tweet }
+      }
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/AncestorFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AncestorFeatureHydrator.scala
similarity index 75%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/AncestorFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AncestorFeatureHydrator.scala
index 8d1a0862dc..9c5e8f3aba 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/AncestorFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AncestorFeatureHydrator.scala
@@ -1,6 +1,7 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.AncestorsFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
@@ -8,9 +9,11 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.tweetconvosvc.tweet_ancestor.{thriftscala => ta}
 import com.twitter.tweetconvosvc.{thriftscala => tcs}
+import com.twitter.util.Future
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -23,15 +26,16 @@ class AncestorFeatureHydrator @Inject() (
 
   override val features: Set[Feature[_, _]] = Set(AncestorsFeature)
 
+  private val DefaultFeatureMap = FeatureMapBuilder().add(AncestorsFeature, Seq.empty).build()
+
   override def apply(
     query: PipelineQuery,
     candidate: TweetCandidate,
     existingFeatures: FeatureMap
-  ): Stitch[FeatureMap] = {
-    val ancestorsRequest = tcs.GetAncestorsRequest(Seq(candidate.id))
-
-    Stitch.callFuture(conversationServiceClient.getAncestors(ancestorsRequest)).map {
-      getAncestorsResponse =>
+  ): Stitch[FeatureMap] = OffloadFuturePools.offloadFuture {
+    if (existingFeatures.getOrElse(InReplyToTweetIdFeature, None).isDefined) {
+      val ancestorsRequest = tcs.GetAncestorsRequest(Seq(candidate.id))
+      conversationServiceClient.getAncestors(ancestorsRequest).map { getAncestorsResponse =>
         val ancestors = getAncestorsResponse.ancestors.headOption
           .collect {
             case tcs.TweetAncestorsResult.TweetAncestors(ancestorsResult)
@@ -40,7 +44,8 @@ class AncestorFeatureHydrator @Inject() (
           }.getOrElse(Seq.empty)
 
         FeatureMapBuilder().add(AncestorsFeature, ancestors).build()
-    }
+      }
+    } else Future.value(DefaultFeatureMap)
   }
 
   private def getTruncatedRootTweet(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/AuthorFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorFeatureHydrator.scala
similarity index 68%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/AuthorFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorFeatureHydrator.scala
index a01269c2ca..c8dd6a934e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/AuthorFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorFeatureHydrator.scala
@@ -1,28 +1,28 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.author_features.AuthorFeaturesAdapter
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.AuthorFeatureRepository
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.author_features.AuthorFeaturesAdapter
+import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.servo.repository.KeyValueResult
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.servo.repository.KeyValueRepository
+import com.twitter.servo.repository.KeyValueResult
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.author_features.v1.{thriftjava => af}
 import com.twitter.util.Future
 import com.twitter.util.Try
-
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
@@ -51,34 +51,28 @@ class AuthorFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    Stitch.callFuture {
-      val possiblyAuthorIds = extractKeys(candidates)
-      val authorIds = possiblyAuthorIds.flatten
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val possiblyAuthorIds = extractKeys(candidates)
+    val authorIds = possiblyAuthorIds.flatten
 
-      val response: Future[KeyValueResult[Long, af.AuthorFeatures]] =
-        if (authorIds.isEmpty) {
-          Future.value(KeyValueResult.empty)
-        } else {
-          client(authorIds)
-        }
+    val response: Future[KeyValueResult[Long, af.AuthorFeatures]] =
+      if (authorIds.nonEmpty) client(authorIds)
+      else Future.value(KeyValueResult.empty)
 
-      response.map { result =>
-        possiblyAuthorIds.map { possiblyAuthorId =>
-          val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
-          val transformedValue = postTransformer(value)
+    response.map { result =>
+      possiblyAuthorIds.map { possiblyAuthorId =>
+        val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
+        val transformedValue = postTransformer(value)
 
-          FeatureMapBuilder()
-            .add(AuthorFeature, transformedValue)
-            .build()
-        }
+        FeatureMapBuilder().add(AuthorFeature, transformedValue).build()
       }
     }
   }
 
   private def postTransformer(authorFeatures: Try[Option[af.AuthorFeatures]]): Try[DataRecord] = {
-    authorFeatures.map { features =>
-      AuthorFeaturesAdapter.adaptToDataRecords(features).asScala.head
+    authorFeatures.map {
+      _.map { features => AuthorFeaturesAdapter.adaptToDataRecords(features).asScala.head }
+        .getOrElse(new DataRecord())
     }
   }
 
@@ -86,10 +80,7 @@ class AuthorFeatureHydrator @Inject() (
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
   ): Seq[Option[Long]] = {
     candidates.map { candidate =>
-      candidate.features
-        .getTry(AuthorIdFeature)
-        .toOption
-        .flatten
+      CandidatesUtil.getOriginalAuthorId(candidate.features)
     }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorIsCreatorFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorIsCreatorFeatureHydrator.scala
new file mode 100644
index 0000000000..cc66983cca
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/AuthorIsCreatorFeatureHydrator.scala
@@ -0,0 +1,79 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsCreatorFeature
+import com.twitter.home_mixer.util.MissingKeyException
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
+import com.twitter.stitch.Stitch
+import com.twitter.strato.generated.client.audiencerewards.audienceRewardsService.GetSuperFollowEligibilityOnUserClientColumn
+import com.twitter.util.Throw
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AuthorIsCreatorFeatureHydrator @Inject() (
+  getSuperFollowEligibilityOnUserClientColumn: GetSuperFollowEligibilityOnUserClientColumn,
+  statsReceiver: StatsReceiver)
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("AuthorIsCreator")
+
+  override val features: Set[Feature[_, _]] =
+    Set(AuthorIsCreatorFeature)
+
+  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
+  private val keyFoundCounter = scopedStatsReceiver.counter("key/found")
+  private val keyFailureCounter = scopedStatsReceiver.counter("key/failure")
+
+  private val MissingKeyFeatureMap = FeatureMapBuilder()
+    .add(AuthorIsCreatorFeature, Throw(MissingKeyException))
+    .build()
+
+  private val DefaultFeatureMap = FeatureMapBuilder()
+    .add(AuthorIsCreatorFeature, false)
+    .build()
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = {
+    OffloadFuturePools.offloadStitch {
+      val authorIds = candidates.flatMap(_.features.getOrElse(AuthorIdFeature, None)).distinct
+      Stitch
+        .collect {
+          authorIds.map { authorId =>
+            getSuperFollowEligibilityOnUserClientColumn.fetcher
+              .fetch(authorId)
+              .map { authorId -> _.v }
+          }
+        }.map { authorIdsToIsCreator =>
+          val authorIdsToIsCreatorMap = authorIdsToIsCreator.toMap
+          candidates.map { candidate =>
+            candidate.features.getOrElse(AuthorIdFeature, None) match {
+              case Some(authorId) =>
+                authorIdsToIsCreatorMap.get(authorId) match {
+                  case Some(response) =>
+                    keyFoundCounter.incr()
+                    FeatureMapBuilder()
+                      .add(AuthorIsCreatorFeature, response.getOrElse(false)).build()
+                  case _ =>
+                    keyFailureCounter.incr()
+                    DefaultFeatureMap
+                }
+              case _ => MissingKeyFeatureMap
+            }
+          }
+        }
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/BUILD.bazel
index 504826eed6..58a566de89 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/BUILD.bazel
@@ -4,26 +4,67 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
+        "follow-recommendations-service/thrift/src/main/thrift:thrift-scala",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/inferred_topic",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/twhin_embeddings",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/content",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/impressed_tweets",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/flexible_injection_pipeline/transformer",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/recommendations",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/timeline_ranker",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source/strato",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/feature_hydrator",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/util",
+        "representation-scorer/server/src/main/scala/com/twitter/representationscorer/common",
         "servo/repo/src/main/scala",
         "servo/util/src/main/scala",
+        "snowflake/src/main/scala/com/twitter/snowflake/id",
+        "src/java/com/twitter/ml/api/constant",
+        "src/scala/com/twitter/ml/api/util",
+        "src/scala/com/twitter/timelines/prediction/adapters/conversation_features",
+        "src/scala/com/twitter/timelines/prediction/adapters/real_graph",
+        "src/scala/com/twitter/timelines/prediction/adapters/realtime_interaction_graph",
+        "src/scala/com/twitter/timelines/prediction/adapters/twistly",
+        "src/scala/com/twitter/timelines/prediction/adapters/two_hop_features",
+        "src/scala/com/twitter/timelines/prediction/common/adapters",
+        "src/scala/com/twitter/timelines/prediction/common/util",
+        "src/scala/com/twitter/timelines/prediction/features/common",
+        "src/scala/com/twitter/timelines/prediction/features/realtime_interaction_graph",
+        "src/scala/com/twitter/timelines/prediction/features/time_features",
+        "src/thrift/com/twitter/ml/api:data-java",
+        "src/thrift/com/twitter/onboarding/relevance/features:features-java",
+        "src/thrift/com/twitter/recos/user_tweet_entity_graph:user_tweet_entity_graph-scala",
+        "src/thrift/com/twitter/search:earlybird-scala",
         "src/thrift/com/twitter/timelineranker:thrift-scala",
-        "stitch/stitch-core",
-        "timelineranker/common/src/main/scala/com/twitter/timelineranker/model",
+        "src/thrift/com/twitter/timelines/author_features:thrift-java",
+        "stitch/stitch-gizmoduck",
+        "stitch/stitch-socialgraph",
+        "stitch/stitch-tweetypie",
+        "strato/config/columns/audiencerewards/audienceRewardsService:getSuperFollowEligibility-strato-client",
+        "strato/config/columns/ml/featureStore:featureStore-strato-client",
+        "timelines/src/main/scala/com/twitter/timelines/clients/strato/topics",
+        "timelines/src/main/scala/com/twitter/timelines/clients/strato/twistly",
         "timelines/src/main/scala/com/twitter/timelines/common/model",
         "timelines/src/main/scala/com/twitter/timelines/earlybird/common/utils",
         "timelines/src/main/scala/com/twitter/timelines/model/candidate",
         "timelines/src/main/scala/com/twitter/timelines/model/types",
+        "topic-social-proof/server/src/main/thrift:thrift-scala",
+        "topiclisting/topiclisting-core/src/main/scala/com/twitter/topiclisting",
+        "tweetconvosvc/thrift/src/main/thrift:thrift-scala",
+        "user_session_store/src/main/scala/com/twitter/user_session_store",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/CachedScoredTweetsQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/CachedScoredTweetsQueryFeatureHydrator.scala
index 7801a9645a..873f043bea 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/CachedScoredTweetsQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/CachedScoredTweetsQueryFeatureHydrator.scala
@@ -11,7 +11,6 @@ import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIde
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.servo.cache.TtlCache
 import com.twitter.stitch.Stitch
-import com.twitter.timelines.model.UserId
 import com.twitter.util.Return
 import com.twitter.util.Throw
 import com.twitter.util.Time
@@ -20,11 +19,11 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 /**
- * Fetch scored Tweets from cache and exclude the seen ones
+ * Fetch scored Tweets from cache and exclude the expired ones
  */
 @Singleton
 case class CachedScoredTweetsQueryFeatureHydrator @Inject() (
-  scoredTweetsCache: TtlCache[UserId, hmt.CachedScoredTweets])
+  scoredTweetsCache: TtlCache[Long, hmt.ScoredTweetsResponse])
     extends QueryFeatureHydrator[PipelineQuery] {
 
   override val identifier: FeatureHydratorIdentifier =
@@ -39,7 +38,7 @@ case class CachedScoredTweetsQueryFeatureHydrator @Inject() (
     Stitch.callFuture(scoredTweetsCache.get(Seq(userId))).map { keyValueResult =>
       keyValueResult(userId) match {
         case Return(cachedCandidatesOpt) =>
-          val cachedScoredTweets = cachedCandidatesOpt.map(_.tweets).getOrElse(Seq.empty)
+          val cachedScoredTweets = cachedCandidatesOpt.map(_.scoredTweets).getOrElse(Seq.empty)
           val nonExpiredTweets = cachedScoredTweets.filter { tweet =>
             tweet.lastScoredTimestampMs.exists(Time.fromMilliseconds(_).untilNow < tweetScoreTtl)
           }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/EarlybirdFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/EarlybirdFeatureHydrator.scala
similarity index 68%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/EarlybirdFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/EarlybirdFeatureHydrator.scala
index 639c3ac37b..cc3c2aeeb2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/EarlybirdFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/EarlybirdFeatureHydrator.scala
@@ -1,9 +1,10 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.earlybird.EarlybirdAdapter
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.earlybird.EarlybirdAdapter
 import com.twitter.home_mixer.model.HomeFeatures.DeviceLanguageFeature
 import com.twitter.home_mixer.model.HomeFeatures.EarlybirdFeature
+import com.twitter.home_mixer.model.HomeFeatures.EarlybirdSearchResultFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
 import com.twitter.home_mixer.model.HomeFeatures.TweetUrlsFeature
 import com.twitter.home_mixer.model.HomeFeatures.UserScreenNameFeature
@@ -11,6 +12,7 @@ import com.twitter.home_mixer.param.HomeMixerInjectionNames.EarlybirdRepository
 import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
 import com.twitter.home_mixer.util.earlybird.EarlybirdResponseUtil
 import com.twitter.ml.api.DataRecord
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersFeature
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
@@ -21,6 +23,7 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.search.earlybird.{thriftscala => eb}
 import com.twitter.servo.keyvalue.KeyValueResult
 import com.twitter.servo.repository.KeyValueRepository
@@ -50,8 +53,12 @@ class EarlybirdFeatureHydrator @Inject() (
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("Earlybird")
 
-  override val features: Set[Feature[_, _]] =
-    Set(EarlybirdDataRecordFeature, EarlybirdFeature, TweetUrlsFeature)
+  override val features: Set[Feature[_, _]] = Set(
+    EarlybirdDataRecordFeature,
+    EarlybirdFeature,
+    EarlybirdSearchResultFeature,
+    TweetUrlsFeature
+  )
 
   override val statScope: String = identifier.toString
 
@@ -59,52 +66,66 @@ class EarlybirdFeatureHydrator @Inject() (
   private val originalKeyFoundCounter = scopedStatsReceiver.counter("originalKey/found")
   private val originalKeyLossCounter = scopedStatsReceiver.counter("originalKey/loss")
 
+  private val ebSearchResultNotExistPredicate: CandidateWithFeatures[TweetCandidate] => Boolean =
+    candidate => candidate.features.getOrElse(EarlybirdSearchResultFeature, None).isEmpty
   private val ebFeaturesNotExistPredicate: CandidateWithFeatures[TweetCandidate] => Boolean =
     candidate => candidate.features.getOrElse(EarlybirdFeature, None).isEmpty
 
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
     val candidatesToHydrate = candidates.filter { candidate =>
-      val isEmpty = ebFeaturesNotExistPredicate(candidate)
+      val isEmpty =
+        ebFeaturesNotExistPredicate(candidate) && ebSearchResultNotExistPredicate(candidate)
       if (isEmpty) originalKeyLossCounter.incr() else originalKeyFoundCounter.incr()
       isEmpty
     }
-    Stitch
-      .callFuture(client((candidatesToHydrate.map(_.candidate.id), query.getRequiredUserId)))
-      .map(handleResponse(query, candidates, _))
+
+    client((candidatesToHydrate.map(_.candidate.id), query.getRequiredUserId))
+      .map(handleResponse(query, candidates, _, candidatesToHydrate))
   }
 
   private def handleResponse(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]],
-    results: KeyValueResult[Long, eb.ThriftSearchResult]
+    results: KeyValueResult[Long, eb.ThriftSearchResult],
+    candidatesToHydrate: Seq[CandidateWithFeatures[TweetCandidate]]
   ): Seq[FeatureMap] = {
     val queryFeatureMap = query.features.getOrElse(FeatureMap.empty)
     val userLanguages = queryFeatureMap.getOrElse(UserLanguagesFeature, Seq.empty)
     val uiLanguageCode = queryFeatureMap.getOrElse(DeviceLanguageFeature, None)
     val screenName = queryFeatureMap.getOrElse(UserScreenNameFeature, None)
+    val followedUserIds = queryFeatureMap.getOrElse(SGSFollowedUsersFeature, Seq.empty).toSet
 
-    val searchResults = candidates
-      .filter(ebFeaturesNotExistPredicate).map { candidate =>
+    val searchResults = candidatesToHydrate
+      .map { candidate =>
         observedGet(Some(candidate.candidate.id), results)
       }.collect {
         case Return(Some(value)) => value
       }
 
-    val tweetIdToEbFeatures = EarlybirdResponseUtil.getOONTweetThriftFeaturesByTweetId(
+    val allSearchResults = searchResults ++
+      candidates.filter(!ebSearchResultNotExistPredicate(_)).flatMap { candidate =>
+        candidate.features
+          .getOrElse(EarlybirdSearchResultFeature, None)
+      }
+    val idToSearchResults = allSearchResults.map(sr => sr.id -> sr).toMap
+    val tweetIdToEbFeatures = EarlybirdResponseUtil.getTweetThriftFeaturesByTweetId(
       searcherUserId = query.getRequiredUserId,
       screenName = screenName,
       userLanguages = userLanguages,
       uiLanguageCode = uiLanguageCode,
-      searchResults = searchResults
+      followedUserIds = followedUserIds,
+      mutuallyFollowingUserIds = Set.empty,
+      searchResults = allSearchResults,
+      sourceTweetSearchResults = Seq.empty,
     )
 
     candidates.map { candidate =>
-      val hydratedEbFeatures = tweetIdToEbFeatures.get(candidate.candidate.id)
+      val transformedEbFeatures = tweetIdToEbFeatures.get(candidate.candidate.id)
       val earlybirdFeatures =
-        if (hydratedEbFeatures.nonEmpty) hydratedEbFeatures
+        if (transformedEbFeatures.nonEmpty) transformedEbFeatures
         else candidate.features.getOrElse(EarlybirdFeature, None)
 
       val candidateIsRetweet = candidate.features.getOrElse(IsRetweetFeature, false)
@@ -122,6 +143,7 @@ class EarlybirdFeatureHydrator @Inject() (
       FeatureMapBuilder()
         .add(EarlybirdFeature, earlybirdFeatures)
         .add(EarlybirdDataRecordFeature, earlybirdDataRecord)
+        .add(EarlybirdSearchResultFeature, idToSearchResults.get(candidate.candidate.id))
         .add(TweetUrlsFeature, earlybirdFeatures.flatMap(_.urlsList).getOrElse(Seq.empty))
         .build()
     }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator/FrsSeedUsersQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/FrsSeedUsersQueryFeatureHydrator.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator/FrsSeedUsersQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/FrsSeedUsersQueryFeatureHydrator.scala
index 194146dac8..2508067b06 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator/FrsSeedUsersQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/FrsSeedUsersQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.product.scored_tweets.query_feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.follow_recommendations.{thriftscala => frs}
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GizmoduckAuthorFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GizmoduckAuthorFeatureHydrator.scala
new file mode 100644
index 0000000000..7c96ef474a
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GizmoduckAuthorFeatureHydrator.scala
@@ -0,0 +1,83 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.conversions.DurationOps._
+import com.twitter.ads.entities.db.{thriftscala => ae}
+import com.twitter.gizmoduck.{thriftscala => gt}
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsBlueVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsProtectedFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsSupportAccountReplyFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
+import com.twitter.stitch.Stitch
+import com.twitter.snowflake.id.SnowflakeId
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class GizmoduckAuthorFeatureHydrator @Inject() (gizmoduck: gt.UserService.MethodPerEndpoint)
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("GizmoduckAuthor")
+
+  override val features: Set[Feature[_, _]] =
+    Set(AuthorIsBlueVerifiedFeature, AuthorIsProtectedFeature, IsSupportAccountReplyFeature)
+
+  private val queryFields: Set[gt.QueryFields] =
+    Set(gt.QueryFields.AdvertiserAccount, gt.QueryFields.Profile, gt.QueryFields.Safety)
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val authorIds = candidates.flatMap(_.features.getOrElse(AuthorIdFeature, None))
+
+    val response = gizmoduck.get(
+      userIds = authorIds.distinct,
+      queryFields = queryFields,
+      context = gt.LookupContext()
+    )
+
+    response.map { hydratedAuthors =>
+      val userMetadataMap = hydratedAuthors
+        .collect {
+          case userResult if userResult.user.isDefined =>
+            val user = userResult.user.get
+            val blueVerified = user.safety.flatMap(_.isBlueVerified).getOrElse(false)
+            val isProtected = user.safety.exists(_.isProtected)
+            (user.id, (blueVerified, isProtected))
+        }.toMap.withDefaultValue((false, false))
+
+      candidates.map { candidate =>
+        val authorId = candidate.features.get(AuthorIdFeature).get
+        val (isBlueVerified, isProtected) = userMetadataMap(authorId)
+
+        // Some accounts run promotions on Twitter and send replies automatically.
+        // We assume that a reply that took more than one minute is not an auto-reply.
+        // If time difference doesn't exist, this means that one of the tweets was
+        // not snowflake and therefore much older, and therefore OK as an extended reply.
+        val timeDifference = candidate.features.getOrElse(InReplyToTweetIdFeature, None).map {
+          SnowflakeId.timeFromId(candidate.candidate.id) - SnowflakeId.timeFromId(_)
+        }
+        val isAutoReply = timeDifference.exists(_ < 1.minute)
+
+        FeatureMapBuilder()
+          .add(AuthorIsBlueVerifiedFeature, isBlueVerified)
+          .add(AuthorIsProtectedFeature, isProtected)
+          .add(IsSupportAccountReplyFeature, isAutoReply)
+          .build()
+      }
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GraphTwoHopFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GraphTwoHopFeatureHydrator.scala
similarity index 76%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GraphTwoHopFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GraphTwoHopFeatureHydrator.scala
index 7a3ed69d2a..03d70445e1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/GraphTwoHopFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/GraphTwoHopFeatureHydrator.scala
@@ -1,15 +1,13 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.graph_feature_service.{thriftscala => gfs}
 import com.twitter.home_mixer.model.HomeFeatures.FollowedByUserIdsFeature
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.home_mixer.model.HomeFeatures.IsExtendedReplyFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.GraphTwoHopRepository
 import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
-import com.twitter.home_mixer.util.ReplyRetweetUtil
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.Feature
@@ -21,6 +19,7 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.prediction.adapters.two_hop_features.TwoHopFeaturesAdapter
@@ -58,28 +57,19 @@ class GraphTwoHopFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    // Apply filters to in network candidates for ExtendedReplyAncestors and retweets.
-    // ExtendedReplyAncestors should also be in candidates. No filter for oon.
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    // Apply filters to in network candidates for retweets only.
     val (inNetworkCandidates, oonCandidates) = candidates.partition { candidate =>
-      candidate.features.getOrElse(InNetworkFeature, false)
+      candidate.features.getOrElse(FromInNetworkSourceFeature, false)
     }
 
-    val inNetworkReplyToAncestorTweet =
-      ReplyRetweetUtil.replyToAncestorTweetCandidatesMap(inNetworkCandidates)
-
-    val inNetworkExtendedReplyAncestors = inNetworkCandidates
-      .filter(_.features.getOrElse(IsExtendedReplyFeature, false)).flatMap { inNetworkCandidate =>
-        inNetworkReplyToAncestorTweet.get(inNetworkCandidate.candidate.id)
-      }.flatten
-
-    val inNetworkCandidatesToHydrate = inNetworkExtendedReplyAncestors ++
+    val inNetworkCandidatesToHydrate =
       inNetworkCandidates.filter(_.features.getOrElse(IsRetweetFeature, false))
 
     val candidatesToHydrate = (inNetworkCandidatesToHydrate ++ oonCandidates)
       .flatMap(candidate => CandidatesUtil.getOriginalAuthorId(candidate.features)).distinct
 
-    val response = Stitch.callFuture(client((candidatesToHydrate, query.getRequiredUserId)))
+    val response = client((candidatesToHydrate, query.getRequiredUserId))
 
     response.map { result =>
       candidates.map { candidate =>
@@ -87,7 +77,9 @@ class GraphTwoHopFeatureHydrator @Inject() (
 
         val value = observedGet(key = originalAuthorId, keyValueResult = result)
         val transformedValue = postTransformer(value)
-        val followedByUserIds = value.toOption.flatMap(getFollowedByUserIds(_)).getOrElse(Seq.empty)
+        val followedByUserIds = value.toOption
+          .flatMap(getFollowedByUserIds(_))
+          .getOrElse(Seq.empty)
 
         FeatureMapBuilder()
           .add(GraphTwoHopFeature, transformedValue)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/IsExtendedReplyFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/IsExtendedReplyFeatureHydrator.scala
new file mode 100644
index 0000000000..fb114e55cc
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/IsExtendedReplyFeatureHydrator.scala
@@ -0,0 +1,45 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsExtendedReplyFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
+import com.twitter.stitch.Stitch
+
+object IsExtendedReplyFeatureHydrator
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("IsExtendedReply")
+
+  override def features: Set[Feature[_, _]] = Set(IsExtendedReplyFeature)
+
+  private val TrueFeatureMap = FeatureMapBuilder().add(IsExtendedReplyFeature, true).build()
+  private val FalseFeatureMap = FeatureMapBuilder().add(IsExtendedReplyFeature, false).build()
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offload {
+    val followedUsers =
+      query.features.map(_.get(SGSFollowedUsersFeature)).getOrElse(Seq.empty).toSet
+
+    candidates.map { candidate =>
+      val features = candidate.features
+      val isExtendedReply = features.getOrElse(InReplyToTweetIdFeature, None).nonEmpty &&
+        !features.getOrElse(IsRetweetFeature, false) &&
+        features.getOrElse(InReplyToUserIdFeature, None).exists(!followedUsers.contains(_))
+
+      if (isExtendedReply) TrueFeatureMap else FalseFeatureMap
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ListIdsQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ListIdsQueryFeatureHydrator.scala
new file mode 100644
index 0000000000..db60d88669
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ListIdsQueryFeatureHydrator.scala
@@ -0,0 +1,52 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.socialgraph.{thriftscala => sg}
+import com.twitter.stitch.Stitch
+import com.twitter.stitch.socialgraph.SocialGraph
+import javax.inject.Inject
+import javax.inject.Singleton
+
+case object ListIdsFeature extends FeatureWithDefaultOnFailure[PipelineQuery, Seq[Long]] {
+  override val defaultValue: Seq[Long] = Seq.empty
+}
+
+@Singleton
+class ListIdsQueryFeatureHydrator @Inject() (socialGraph: SocialGraph)
+    extends QueryFeatureHydrator[PipelineQuery] {
+
+  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("ListIds")
+
+  override val features: Set[Feature[_, _]] = Set(ListIdsFeature)
+
+  private val MaxListsToFetch = 20
+
+  override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
+    val userId = query.getRequiredUserId
+
+    val ownedSubscribedRequest = sg.IdsRequest(
+      relationships = Seq(
+        sg.SrcRelationship(userId, sg.RelationshipType.ListIsSubscriber, hasRelationship = true),
+        sg.SrcRelationship(userId, sg.RelationshipType.ListOwning, hasRelationship = true)
+      ),
+      pageRequest = Some(sg.PageRequest(selectAll = Some(false), count = Some(MaxListsToFetch))),
+      context = Some(
+        sg.LookupContext(
+          includeInactive = false,
+          performUnion = Some(true),
+          includeAll = Some(false)
+        )
+      )
+    )
+
+    socialGraph.ids(ownedSubscribedRequest).map { response =>
+      FeatureMapBuilder().add(ListIdsFeature, response.ids).build()
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala
similarity index 76%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala
index de0b195e04..bc51aabb95 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/MetricCenterUserCountingFeatureHydrator.scala
@@ -1,5 +1,4 @@
-package com.twitter.home_mixer
-package functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
@@ -14,11 +13,11 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.servo.keyvalue.KeyValueResult
 import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.stitch.Stitch
 import com.twitter.util.Future
-
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
@@ -45,25 +44,17 @@ class MetricCenterUserCountingFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    Stitch.callFuture {
-      val possiblyAuthorIds = extractKeys(candidates)
-      val userIds = possiblyAuthorIds.flatten
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val possiblyAuthorIds = extractKeys(candidates)
+    val userIds = possiblyAuthorIds.flatten
 
-      val response: Future[KeyValueResult[Long, rf.MCUserCountingFeatures]] = if (userIds.isEmpty) {
-        Future.value(KeyValueResult.empty)
-      } else {
-        client(userIds)
-      }
+    val response: Future[KeyValueResult[Long, rf.MCUserCountingFeatures]] =
+      if (userIds.isEmpty) Future.value(KeyValueResult.empty) else client(userIds)
 
-      response.map { result =>
-        possiblyAuthorIds.map { possiblyAuthorId =>
-          val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
-
-          FeatureMapBuilder()
-            .add(MetricCenterUserCountingFeature, value)
-            .build()
-        }
+    response.map { result =>
+      possiblyAuthorIds.map { possiblyAuthorId =>
+        val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
+        FeatureMapBuilder().add(MetricCenterUserCountingFeature, value).build()
       }
     }
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphQueryFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphQueryFeatureHydrator.scala
index 4eb735714b..a48d3742ee 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.RealGraphFeatureRepository
 import com.twitter.product_mixer.core.feature.Feature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala
similarity index 92%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala
index 05b434ccf8..6048213aa9 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphViewerAuthorFeatureHydrator.scala
@@ -1,8 +1,8 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.RealGraphViewerAuthorFeatureHydrator.getCombinedRealGraphFeatures
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToUserIdFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RealGraphViewerAuthorFeatureHydrator.getCombinedRealGraphFeatures
 import com.twitter.home_mixer.util.MissingKeyException
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
@@ -14,6 +14,7 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.prediction.adapters.real_graph.RealGraphEdgeFeaturesCombineAdapter
 import com.twitter.timelines.prediction.adapters.real_graph.RealGraphFeaturesAdapter
@@ -59,13 +60,13 @@ class RealGraphViewerAuthorFeatureHydrator @Inject() ()
     query: PipelineQuery,
     candidate: TweetCandidate,
     existingFeatures: FeatureMap
-  ): Stitch[FeatureMap] = {
+  ): Stitch[FeatureMap] = OffloadFuturePools.offload {
     val viewerId = query.getRequiredUserId
     val realGraphFeatures = query.features
       .flatMap(_.getOrElse(RealGraphFeatures, None))
       .getOrElse(Map.empty[Long, v1.RealGraphEdgeFeatures])
 
-    val result: FeatureMap = existingFeatures.getOrElse(AuthorIdFeature, None) match {
+    existingFeatures.getOrElse(AuthorIdFeature, None) match {
       case Some(authorId) =>
         val realGraphAuthorFeatures =
           getRealGraphViewerAuthorFeatures(viewerId, authorId, realGraphFeatures)
@@ -90,7 +91,6 @@ class RealGraphViewerAuthorFeatureHydrator @Inject() ()
           .build()
       case _ => MissingKeyFeatureMap
     }
-    Stitch(result)
   }
 
   private def getRealGraphViewerAuthorFeatures(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala
similarity index 86%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala
index 45897ec057..47e2431cff 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealGraphViewerRelatedUsersFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
@@ -15,6 +15,7 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.prediction.adapters.real_graph.RealGraphEdgeFeaturesCombineAdapter
 import com.twitter.timelines.real_graph.v1.{thriftscala => v1}
@@ -43,25 +44,23 @@ class RealGraphViewerRelatedUsersFeatureHydrator @Inject() ()
     query: PipelineQuery,
     candidate: TweetCandidate,
     existingFeatures: FeatureMap
-  ): Stitch[FeatureMap] = {
+  ): Stitch[FeatureMap] = OffloadFuturePools.offload {
     val realGraphQueryFeatures = query.features
       .flatMap(_.getOrElse(RealGraphFeatures, None))
       .getOrElse(Map.empty[Long, v1.RealGraphEdgeFeatures])
 
     val allRelatedUserIds = getRelatedUserIds(existingFeatures)
-    val realGraphFeatures =
-      RealGraphViewerAuthorFeatureHydrator.getCombinedRealGraphFeatures(
-        allRelatedUserIds,
-        realGraphQueryFeatures)
+    val realGraphFeatures = RealGraphViewerAuthorFeatureHydrator.getCombinedRealGraphFeatures(
+      allRelatedUserIds,
+      realGraphQueryFeatures
+    )
     val realGraphFeaturesDataRecord = RealGraphEdgeFeaturesCombineAdapter
       .adaptToDataRecords(Some(realGraphFeatures)).asScala.headOption
       .getOrElse(new DataRecord)
 
-    Stitch.value {
-      FeatureMapBuilder()
-        .add(RealGraphViewerRelatedUsersDataRecordFeature, realGraphFeaturesDataRecord)
-        .build()
-    }
+    FeatureMapBuilder()
+      .add(RealGraphViewerRelatedUsersDataRecordFeature, realGraphFeaturesDataRecord)
+      .build()
   }
 
   private def getRelatedUserIds(features: FeatureMap): Seq[Long] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala
similarity index 75%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala
index 8f64353567..f690ff0e0e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealTimeInteractionGraphEdgeFeatureHydrator.scala
@@ -1,22 +1,22 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.prediction.adapters.realtime_interaction_graph.RealTimeInteractionGraphFeaturesAdapter
 import com.twitter.timelines.prediction.features.realtime_interaction_graph.RealTimeInteractionGraphEdgeFeatures
 import com.twitter.util.Time
-
 import javax.inject.Inject
 import javax.inject.Singleton
 import scala.collection.JavaConverters._
@@ -31,8 +31,8 @@ object RealTimeInteractionGraphEdgeFeature
 class RealTimeInteractionGraphEdgeFeatureHydrator @Inject() ()
     extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
 
-  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier(
-    "RealTimeInteractionGraphEdge")
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("RealTimeInteractionGraphEdge")
 
   override val features: Set[Feature[_, _]] = Set(RealTimeInteractionGraphEdgeFeature)
 
@@ -41,24 +41,21 @@ class RealTimeInteractionGraphEdgeFeatureHydrator @Inject() ()
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offload {
     val userVertex =
       query.features.flatMap(_.getOrElse(RealTimeInteractionGraphUserVertexQueryFeature, None))
     val realTimeInteractionGraphFeaturesMap =
       userVertex.map(RealTimeInteractionGraphEdgeFeatures(_, Time.now))
 
-    Stitch.value {
-      candidates.map { candidate =>
-        val feature = candidate.features.getOrElse(AuthorIdFeature, None).flatMap { authorId =>
-          realTimeInteractionGraphFeaturesMap.flatMap(_.get(authorId))
-        }
-
-        FeatureMapBuilder()
-          .add(
-            RealTimeInteractionGraphEdgeFeature,
-            realTimeInteractionGraphFeaturesAdapter.adaptToDataRecords(feature).asScala.head)
-          .build()
+    candidates.map { candidate =>
+      val feature = candidate.features.getOrElse(AuthorIdFeature, None).flatMap { authorId =>
+        realTimeInteractionGraphFeaturesMap.flatMap(_.get(authorId))
       }
+
+      val dataRecordFeature =
+        realTimeInteractionGraphFeaturesAdapter.adaptToDataRecords(feature).asScala.head
+
+      FeatureMapBuilder().add(RealTimeInteractionGraphEdgeFeature, dataRecordFeature).build()
     }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala
index 899f07630e..60d82cc28a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RealTimeInteractionGraphUserVertexQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
@@ -13,7 +13,6 @@ import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.servo.cache.ReadCache
 import com.twitter.stitch.Stitch
 import com.twitter.wtf.real_time_interaction_graph.{thriftscala => ig}
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ReplyFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ReplyFeatureHydrator.scala
similarity index 71%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ReplyFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ReplyFeatureHydrator.scala
index 5833838f13..80d857a267 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/ReplyFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/ReplyFeatureHydrator.scala
@@ -1,28 +1,56 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.model.ContentFeatures
 import com.twitter.home_mixer.model.HomeFeatures._
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.content.InReplyToContentFeatureAdapter
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.earlybird.InReplyToEarlybirdAdapter
 import com.twitter.home_mixer.util.ReplyRetweetUtil
+import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.search.common.features.thriftscala.ThriftTweetFeatures
 import com.twitter.snowflake.id.SnowflakeId
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.conversation_features.v1.thriftscala.ConversationFeatures
+import com.twitter.timelines.conversation_features.{thriftscala => cf}
+import com.twitter.timelines.prediction.adapters.conversation_features.ConversationFeaturesAdapter
 import com.twitter.util.Duration
 import com.twitter.util.Time
 import javax.inject.Inject
 import javax.inject.Singleton
+import scala.collection.JavaConverters._
 
 object InReplyToTweetHydratedEarlybirdFeature
     extends Feature[TweetCandidate, Option[ThriftTweetFeatures]]
 
+object ConversationDataRecordFeature
+    extends DataRecordInAFeature[TweetCandidate]
+    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+object InReplyToEarlybirdDataRecordFeature
+    extends DataRecordInAFeature[TweetCandidate]
+    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+object InReplyToTweetypieContentDataRecordFeature
+    extends DataRecordInAFeature[TweetCandidate]
+    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
 /**
  * The purpose of this hydrator is to
  * 1) hydrate simple features into replies and their ancestor tweets
@@ -36,13 +64,19 @@ class ReplyFeatureHydrator @Inject() (statsReceiver: StatsReceiver)
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("ReplyTweet")
 
   override val features: Set[Feature[_, _]] = Set(
-    ConversationFeature,
-    InReplyToTweetHydratedEarlybirdFeature
+    ConversationDataRecordFeature,
+    InReplyToTweetHydratedEarlybirdFeature,
+    InReplyToEarlybirdDataRecordFeature,
+    InReplyToTweetypieContentDataRecordFeature
   )
 
+  private val defaulDataRecord: DataRecord = new DataRecord()
+
   private val DefaultFeatureMap = FeatureMapBuilder()
-    .add(ConversationFeature, None)
+    .add(ConversationDataRecordFeature, defaulDataRecord)
     .add(InReplyToTweetHydratedEarlybirdFeature, None)
+    .add(InReplyToEarlybirdDataRecordFeature, defaulDataRecord)
+    .add(InReplyToTweetypieContentDataRecordFeature, defaulDataRecord)
     .build()
 
   private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
@@ -52,7 +86,7 @@ class ReplyFeatureHydrator @Inject() (statsReceiver: StatsReceiver)
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offload {
     val replyToInReplyToTweetMap =
       ReplyRetweetUtil.replyTweetIdToInReplyToTweetMap(candidates)
     val candidatesWithRepliesHydrated = candidates.map { candidate =>
@@ -94,16 +128,28 @@ class ReplyFeatureHydrator @Inject() (statsReceiver: StatsReceiver)
               inReplyToTweetEarlyBirdFeature,
               updatedReplyConversationFeatures))
     }
-    Stitch.value(
-      candidatesWithRepliesAndAncestorTweetsHydrated.map {
-        case (candidate, inReplyToTweetEarlyBirdFeature, updatedConversationFeatures) =>
-          FeatureMapBuilder()
-            .add(ConversationFeature, updatedConversationFeatures)
-            .add(InReplyToTweetHydratedEarlybirdFeature, inReplyToTweetEarlyBirdFeature)
-            .build()
-        case _ => DefaultFeatureMap
-      }
-    )
+
+    candidatesWithRepliesAndAncestorTweetsHydrated.map {
+      case (candidate, inReplyToTweetEarlyBirdFeature, updatedConversationFeatures) =>
+        val conversationDataRecordFeature = updatedConversationFeatures
+          .map(f => ConversationFeaturesAdapter.adaptToDataRecord(cf.ConversationFeatures.V1(f)))
+          .getOrElse(defaulDataRecord)
+
+        val inReplyToEarlybirdDataRecord =
+          InReplyToEarlybirdAdapter
+            .adaptToDataRecords(inReplyToTweetEarlyBirdFeature).asScala.head
+        val inReplyToContentDataRecord = InReplyToContentFeatureAdapter
+          .adaptToDataRecords(
+            inReplyToTweetEarlyBirdFeature.map(ContentFeatures.fromThrift)).asScala.head
+
+        FeatureMapBuilder()
+          .add(ConversationDataRecordFeature, conversationDataRecordFeature)
+          .add(InReplyToTweetHydratedEarlybirdFeature, inReplyToTweetEarlyBirdFeature)
+          .add(InReplyToEarlybirdDataRecordFeature, inReplyToEarlybirdDataRecord)
+          .add(InReplyToTweetypieContentDataRecordFeature, inReplyToContentDataRecord)
+          .build()
+      case _ => DefaultFeatureMap
+    }
   }
 
   private def hydratedReplyCandidate(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RequestTimeQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RequestTimeQueryFeatureHydrator.scala
new file mode 100644
index 0000000000..fd9656d8c6
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RequestTimeQueryFeatureHydrator.scala
@@ -0,0 +1,122 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.conversions.DurationOps._
+import com.twitter.home_mixer.model.HomeFeatures.FollowingLastNonPollingTimeFeature
+import com.twitter.home_mixer.model.HomeFeatures.LastNonPollingTimeFeature
+import com.twitter.home_mixer.model.HomeFeatures.NonPollingTimesFeature
+import com.twitter.ml.api.DataRecord
+import com.twitter.ml.api.util.FDsl._
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.snowflake.id.SnowflakeId
+import com.twitter.stitch.Stitch
+import com.twitter.timelines.prediction.features.time_features.AccountAgeInterval
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.ACCOUNT_AGE_INTERVAL
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.IS_12_MONTH_NEW_USER
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.IS_30_DAY_NEW_USER
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.TIME_BETWEEN_NON_POLLING_REQUESTS_AVG
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.TIME_SINCE_LAST_NON_POLLING_REQUEST
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.TIME_SINCE_VIEWER_ACCOUNT_CREATION_SECS
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures.USER_ID_IS_SNOWFLAKE_ID
+import com.twitter.user_session_store.ReadRequest
+import com.twitter.user_session_store.ReadWriteUserSessionStore
+import com.twitter.user_session_store.UserSessionDataset
+import com.twitter.user_session_store.UserSessionDataset.UserSessionDataset
+import com.twitter.util.Time
+import javax.inject.Inject
+import javax.inject.Singleton
+
+object RequestTimeDataRecordFeature
+    extends DataRecordInAFeature[PipelineQuery]
+    with FeatureWithDefaultOnFailure[PipelineQuery, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+@Singleton
+case class RequestTimeQueryFeatureHydrator @Inject() (
+  userSessionStore: ReadWriteUserSessionStore)
+    extends QueryFeatureHydrator[PipelineQuery] {
+
+  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("RequestTime")
+
+  override val features: Set[Feature[_, _]] = Set(
+    FollowingLastNonPollingTimeFeature,
+    LastNonPollingTimeFeature,
+    NonPollingTimesFeature,
+    RequestTimeDataRecordFeature
+  )
+
+  private val datasets: Set[UserSessionDataset] = Set(UserSessionDataset.NonPollingTimes)
+
+  override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
+    userSessionStore
+      .read(ReadRequest(query.getRequiredUserId, datasets))
+      .map { userSession =>
+        val nonPollingTimestamps = userSession.flatMap(_.nonPollingTimestamps)
+
+        val lastNonPollingTime = nonPollingTimestamps
+          .flatMap(_.nonPollingTimestampsMs.headOption)
+          .map(Time.fromMilliseconds)
+
+        val followingLastNonPollingTime = nonPollingTimestamps
+          .flatMap(_.mostRecentHomeLatestNonPollingTimestampMs)
+          .map(Time.fromMilliseconds)
+
+        val nonPollingTimes = nonPollingTimestamps
+          .map(_.nonPollingTimestampsMs)
+          .getOrElse(Seq.empty)
+
+        val requestTimeDataRecord = getRequestTimeDataRecord(query, nonPollingTimes)
+
+        FeatureMapBuilder()
+          .add(FollowingLastNonPollingTimeFeature, followingLastNonPollingTime)
+          .add(LastNonPollingTimeFeature, lastNonPollingTime)
+          .add(NonPollingTimesFeature, nonPollingTimes)
+          .add(RequestTimeDataRecordFeature, requestTimeDataRecord)
+          .build()
+      }
+  }
+
+  def getRequestTimeDataRecord(query: PipelineQuery, nonPollingTimes: Seq[Long]): DataRecord = {
+    val requestTimeMs = query.queryTime.inMillis
+    val accountAge = SnowflakeId.timeFromIdOpt(query.getRequiredUserId)
+    val timeSinceAccountCreation = accountAge.map(query.queryTime.since)
+    val timeSinceEarliestNonPollingRequest =
+      nonPollingTimes.lastOption.map(requestTimeMs - _)
+    val timeSinceLastNonPollingRequest =
+      nonPollingTimes.headOption.map(requestTimeMs - _)
+
+    new DataRecord()
+      .setFeatureValue(USER_ID_IS_SNOWFLAKE_ID, accountAge.isDefined)
+      .setFeatureValue(
+        IS_30_DAY_NEW_USER,
+        timeSinceAccountCreation.map(_ < 30.days).getOrElse(false)
+      )
+      .setFeatureValue(
+        IS_12_MONTH_NEW_USER,
+        timeSinceAccountCreation.map(_ < 365.days).getOrElse(false)
+      )
+      .setFeatureValueFromOption(
+        ACCOUNT_AGE_INTERVAL,
+        timeSinceAccountCreation.flatMap(AccountAgeInterval.fromDuration).map(_.id.toLong)
+      )
+      .setFeatureValueFromOption(
+        TIME_SINCE_VIEWER_ACCOUNT_CREATION_SECS,
+        timeSinceAccountCreation.map(_.inSeconds.toDouble)
+      )
+      .setFeatureValueFromOption(
+        TIME_BETWEEN_NON_POLLING_REQUESTS_AVG,
+        timeSinceEarliestNonPollingRequest.map(_.toDouble / math.max(1.0, nonPollingTimes.size))
+      )
+      .setFeatureValueFromOption(
+        TIME_SINCE_LAST_NON_POLLING_REQUEST,
+        timeSinceLastNonPollingRequest.map(_.toDouble)
+      )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala
index 98385b1306..33cbef8843 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/RetweetSourceTweetFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures._
 import com.twitter.product_mixer.component_library.candidate_source.timeline_ranker.TimelineRankerInNetworkSourceTweetsByTweetIdMapFeature
@@ -22,8 +22,8 @@ object SourceTweetEarlybirdFeature extends Feature[TweetCandidate, Option[Thrift
 object RetweetSourceTweetFeatureHydrator
     extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
 
-  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier(
-    "RetweetSourceTweet")
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("RetweetSourceTweet")
 
   override val features: Set[Feature[_, _]] = Set(
     SourceTweetEarlybirdFeature,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala
similarity index 85%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala
index 0c04bce5af..f66966f004 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersEngagementSimilarityFeatureHydrator.scala
@@ -1,6 +1,5 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
-import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
@@ -14,6 +13,7 @@ import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.Conditionally
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.clients.strato.twistly.SimClustersRecentEngagementSimilarityClient
 import com.twitter.timelines.configapi.decider.BooleanDeciderParam
@@ -29,8 +29,7 @@ object SimClustersEngagementSimilarityFeature
 
 @Singleton
 class SimClustersEngagementSimilarityFeatureHydrator @Inject() (
-  simClustersEngagementSimilarityClient: SimClustersRecentEngagementSimilarityClient,
-  statsReceiver: StatsReceiver)
+  simClustersEngagementSimilarityClient: SimClustersRecentEngagementSimilarityClient)
     extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate]
     with Conditionally[PipelineQuery] {
 
@@ -39,10 +38,6 @@ class SimClustersEngagementSimilarityFeatureHydrator @Inject() (
 
   override val features: Set[Feature[_, _]] = Set(SimClustersEngagementSimilarityFeature)
 
-  private val scopedStatsReceiver = statsReceiver.scope(identifier.toString)
-
-  private val hydratedCandidatesSizeStat = scopedStatsReceiver.stat("hydratedCandidatesSize")
-
   private val simClustersRecentEngagementSimilarityFeaturesAdapter =
     new SimClustersRecentEngagementSimilarityFeaturesAdapter
 
@@ -55,15 +50,14 @@ class SimClustersEngagementSimilarityFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
     val tweetToCandidates = candidates.map(candidate => candidate.candidate.id -> candidate).toMap
     val tweetIds = tweetToCandidates.keySet.toSeq
     val userId = query.getRequiredUserId
     val userTweetEdges = tweetIds.map(tweetId => (userId, tweetId))
-    val resultFuture = simClustersEngagementSimilarityClient
+    simClustersEngagementSimilarityClient
       .getSimClustersRecentEngagementSimilarityScores(userTweetEdges).map {
         simClustersRecentEngagementSimilarityScoresMap =>
-          hydratedCandidatesSizeStat.add(simClustersRecentEngagementSimilarityScoresMap.size)
           candidates.map { candidate =>
             val similarityFeatureOpt = simClustersRecentEngagementSimilarityScoresMap
               .get(userId -> candidate.candidate.id).flatten
@@ -77,7 +71,5 @@ class SimClustersEngagementSimilarityFeatureHydrator @Inject() (
               .build()
           }
       }
-    Stitch.callFuture(resultFuture)
   }
-
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersUserTweetScoresHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersUserTweetScoresHydrator.scala
new file mode 100644
index 0000000000..c938f34c57
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/SimClustersUserTweetScoresHydrator.scala
@@ -0,0 +1,86 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.dal.personal_data.{thriftjava => pd}
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.model.HomeFeatures.EarlybirdFeature
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordOptionalFeature
+import com.twitter.product_mixer.core.feature.datarecord.DoubleDataRecordCompatible
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
+import com.twitter.stitch.Stitch
+import com.twitter.strato.catalog.Fetch
+import com.twitter.strato.generated.client.ml.featureStore.SimClustersUserInterestedInTweetEmbeddingDotProduct20M145K2020OnUserTweetEdgeClientColumn
+import javax.inject.Inject
+import javax.inject.Singleton
+
+object SimClustersUserInterestedInTweetEmbeddingDataRecordFeature
+    extends DataRecordOptionalFeature[TweetCandidate, Double]
+    with DoubleDataRecordCompatible {
+  override val featureName: String =
+    "user-tweet.recommendations.sim_clusters_scores.user_interested_in_tweet_embedding_dot_product_20m_145k_2020"
+  override val personalDataTypes: Set[pd.PersonalDataType] =
+    Set(pd.PersonalDataType.InferredInterests)
+}
+
+@Singleton
+class SimClustersUserTweetScoresHydrator @Inject() (
+  simClustersColumn: SimClustersUserInterestedInTweetEmbeddingDotProduct20M145K2020OnUserTweetEdgeClientColumn,
+  statsReceiver: StatsReceiver)
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("SimClustersUserTweetScores")
+
+  override val features: Set[Feature[_, _]] = Set(
+    SimClustersUserInterestedInTweetEmbeddingDataRecordFeature)
+
+  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
+  private val keyFoundCounter = scopedStatsReceiver.counter("key/found")
+  private val keyLossCounter = scopedStatsReceiver.counter("key/loss")
+  private val keyFailureCounter = scopedStatsReceiver.counter("key/failure")
+  private val keySkipCounter = scopedStatsReceiver.counter("key/skip")
+
+  private val DefaultFeatureMap = FeatureMapBuilder()
+    .add(SimClustersUserInterestedInTweetEmbeddingDataRecordFeature, None)
+    .build()
+  private val MinFavToHydrate = 9
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    Stitch.run {
+      Stitch.collect {
+        candidates.map { candidate =>
+          val ebFeatures = candidate.features.getOrElse(EarlybirdFeature, None)
+          val favCount = ebFeatures.flatMap(_.favCountV2).getOrElse(0)
+          
+          if (ebFeatures.isEmpty || favCount >= MinFavToHydrate) {
+            simClustersColumn.fetcher
+              .fetch((query.getRequiredUserId, candidate.candidate.id), Unit)
+              .map {
+                case Fetch.Result(response, _) =>
+                  if (response.nonEmpty) keyFoundCounter.incr() else keyLossCounter.incr()
+                  FeatureMapBuilder()
+                    .add(SimClustersUserInterestedInTweetEmbeddingDataRecordFeature, response)
+                    .build()
+                case _ =>
+                  keyFailureCounter.incr()
+                  DefaultFeatureMap
+              }
+          } else {
+            keySkipCounter.incr()
+            Stitch.value(DefaultFeatureMap)
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TSPInferredTopicFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TSPInferredTopicFeatureHydrator.scala
new file mode 100644
index 0000000000..f6047730f5
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TSPInferredTopicFeatureHydrator.scala
@@ -0,0 +1,148 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.contentrecommender.{thriftscala => cr}
+import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.TSPMetricTagFeature
+import com.twitter.home_mixer.model.HomeFeatures.TopicContextFunctionalityTypeFeature
+import com.twitter.home_mixer.model.HomeFeatures.TopicIdSocialContextFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.inferred_topic.InferredTopicAdapter
+import com.twitter.ml.api.DataRecord
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.BasicTopicContextFunctionalityType
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.RecommendationTopicContextFunctionalityType
+import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.TopicContextFunctionalityType
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
+import com.twitter.stitch.Stitch
+import com.twitter.timelines.clients.strato.topics.TopicSocialProofClient
+import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => sid}
+import com.twitter.topiclisting.TopicListingViewerContext
+import com.twitter.tsp.{thriftscala => tsp}
+import javax.inject.Inject
+import javax.inject.Singleton
+import scala.collection.JavaConverters._
+
+object TSPInferredTopicFeature extends Feature[TweetCandidate, Map[Long, Double]]
+object TSPInferredTopicDataRecordFeature
+    extends DataRecordInAFeature[TweetCandidate]
+    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+@Singleton
+class TSPInferredTopicFeatureHydrator @Inject() (
+  topicSocialProofClient: TopicSocialProofClient)
+    extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("TSPInferredTopic")
+
+  override val features: Set[Feature[_, _]] = Set(
+    TSPInferredTopicFeature,
+    TSPInferredTopicDataRecordFeature,
+    TopicIdSocialContextFeature,
+    TopicContextFunctionalityTypeFeature
+  )
+
+  private val topK = 3
+
+  private val SourcesToSetSocialProof: Set[sid.CandidateTweetSourceId] =
+    Set(sid.CandidateTweetSourceId.Simcluster)
+
+  private val DefaultFeatureMap = FeatureMapBuilder()
+    .add(TSPInferredTopicFeature, Map.empty[Long, Double])
+    .add(TSPInferredTopicDataRecordFeature, new DataRecord())
+    .add(TopicIdSocialContextFeature, None)
+    .add(TopicContextFunctionalityTypeFeature, None)
+    .build()
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val tags = candidates.collect {
+      case candidate if candidate.features.getTry(TSPMetricTagFeature).isReturn =>
+        candidate.candidate.id -> candidate.features
+          .getOrElse(TSPMetricTagFeature, Set.empty[tsp.MetricTag])
+    }.toMap
+
+    val topicSocialProofRequest = tsp.TopicSocialProofRequest(
+      userId = query.getRequiredUserId,
+      tweetIds = candidates.map(_.candidate.id).toSet,
+      displayLocation = cr.DisplayLocation.HomeTimeline,
+      topicListingSetting = tsp.TopicListingSetting.Followable,
+      context = TopicListingViewerContext.fromClientContext(query.clientContext).toThrift,
+      bypassModes = None,
+      // Only TweetMixer source has this data. Convert the TweetMixer metric tag to tsp metric tag.
+      tags = if (tags.isEmpty) None else Some(tags)
+    )
+
+    topicSocialProofClient
+      .getTopicTweetSocialProofResponse(topicSocialProofRequest)
+      .map {
+        case Some(response) =>
+          handleResponse(response, candidates)
+        case _ => candidates.map { _ => DefaultFeatureMap }
+      }
+  }
+
+  private def handleResponse(
+    response: tsp.TopicSocialProofResponse,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Seq[FeatureMap] = {
+    candidates.map { candidate =>
+      val topicWithScores = response.socialProofs.getOrElse(candidate.candidate.id, Seq.empty)
+      if (topicWithScores.nonEmpty) {
+        val (socialProofId, socialProofFunctionalityType) =
+          if (candidate.features
+              .getOrElse(CandidateSourceIdFeature, None)
+              .exists(SourcesToSetSocialProof.contains)) {
+            getSocialProof(topicWithScores)
+          } else (None, None)
+
+        val inferredTopicFeatures =
+          topicWithScores.sortBy(-_.score).take(topK).map(a => (a.topicId, a.score)).toMap
+
+        val inferredTopicDataRecord =
+          InferredTopicAdapter.adaptToDataRecords(inferredTopicFeatures).asScala.head
+
+        FeatureMapBuilder()
+          .add(TSPInferredTopicFeature, inferredTopicFeatures)
+          .add(TSPInferredTopicDataRecordFeature, inferredTopicDataRecord)
+          .add(TopicIdSocialContextFeature, socialProofId)
+          .add(TopicContextFunctionalityTypeFeature, socialProofFunctionalityType)
+          .build()
+      } else DefaultFeatureMap
+    }
+  }
+
+  private def getSocialProof(
+    topicWithScores: Seq[tsp.TopicWithScore]
+  ): (Option[Long], Option[TopicContextFunctionalityType]) = {
+    val followingTopicId = topicWithScores.collectFirst {
+      case tsp.TopicWithScore(topicId, _, _, Some(tsp.TopicFollowType.Following)) => topicId
+    }
+
+    if (followingTopicId.nonEmpty) {
+      return (followingTopicId, Some(BasicTopicContextFunctionalityType))
+    }
+
+    val implicitFollowingId = topicWithScores.collectFirst {
+      case tsp.TopicWithScore(topicId, _, _, Some(tsp.TopicFollowType.ImplicitFollow)) =>
+        topicId
+    }
+
+    if (implicitFollowingId.nonEmpty) {
+      return (implicitFollowingId, Some(RecommendationTopicContextFunctionalityType))
+    }
+
+    (None, None)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetMetaDataFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetMetaDataFeatureHydrator.scala
similarity index 89%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetMetaDataFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetMetaDataFeatureHydrator.scala
index 8c79c38742..1c237bf181 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetMetaDataFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetMetaDataFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
 import com.twitter.home_mixer.util.CandidatesUtil
@@ -15,6 +15,7 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.prediction.features.common.TimelinesSharedFeatures
 import java.lang.{Long => JLong}
@@ -36,16 +37,10 @@ object TweetMetaDataFeatureHydrator
     query: PipelineQuery,
     candidate: TweetCandidate,
     existingFeatures: FeatureMap
-  ): Stitch[FeatureMap] = {
+  ): Stitch[FeatureMap] = OffloadFuturePools.offload {
     val richDataRecord = new RichDataRecord()
-
     setFeatures(richDataRecord, candidate, existingFeatures)
-
-    Stitch.value {
-      FeatureMapBuilder()
-        .add(TweetMetaDataDataRecord, richDataRecord.getRecord)
-        .build()
-    }
+    FeatureMapBuilder().add(TweetMetaDataDataRecord, richDataRecord.getRecord).build()
   }
 
   private def setFeatures(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetTimeFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetTimeFeatureHydrator.scala
new file mode 100644
index 0000000000..9470168264
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetTimeFeatureHydrator.scala
@@ -0,0 +1,112 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
+
+import com.twitter.home_mixer.model.HomeFeatures.EarlybirdFeature
+import com.twitter.home_mixer.model.HomeFeatures.NonPollingTimesFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
+import com.twitter.ml.api.DataRecord
+import com.twitter.ml.api.util.FDsl._
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.CandidateFeatureHydrator
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.snowflake.id.SnowflakeId
+import com.twitter.stitch.Stitch
+import com.twitter.timelines.prediction.features.time_features.TimeDataRecordFeatures._
+import com.twitter.util.Duration
+import scala.collection.Searching._
+
+object TweetTimeDataRecordFeature
+    extends DataRecordInAFeature[TweetCandidate]
+    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+object TweetTimeFeatureHydrator extends CandidateFeatureHydrator[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("TweetTime")
+
+  override val features: Set[Feature[_, _]] = Set(TweetTimeDataRecordFeature)
+
+  override def apply(
+    query: PipelineQuery,
+    candidate: TweetCandidate,
+    existingFeatures: FeatureMap
+  ): Stitch[FeatureMap] = {
+    val tweetFeatures = existingFeatures.getOrElse(EarlybirdFeature, None)
+    val timeSinceTweetCreation = SnowflakeId.timeFromIdOpt(candidate.id).map(query.queryTime.since)
+    val timeSinceTweetCreationMs = timeSinceTweetCreation.map(_.inMillis)
+
+    val timeSinceSourceTweetCreationOpt = existingFeatures
+      .getOrElse(SourceTweetIdFeature, None)
+      .flatMap { sourceTweetId =>
+        SnowflakeId.timeFromIdOpt(sourceTweetId).map(query.queryTime.since)
+      }.orElse(timeSinceTweetCreation)
+
+    val lastFavSinceCreationHrs =
+      tweetFeatures.flatMap(_.lastFavSinceCreationHrs).map(_.toDouble)
+    val lastRetweetSinceCreationHrs =
+      tweetFeatures.flatMap(_.lastRetweetSinceCreationHrs).map(_.toDouble)
+    val lastReplySinceCreationHrs =
+      tweetFeatures.flatMap(_.lastReplySinceCreationHrs).map(_.toDouble)
+    val lastQuoteSinceCreationHrs =
+      tweetFeatures.flatMap(_.lastQuoteSinceCreationHrs).map(_.toDouble)
+    val timeSinceLastFavoriteHrs =
+      getTimeSinceLastEngagementHrs(lastFavSinceCreationHrs, timeSinceSourceTweetCreationOpt)
+    val timeSinceLastRetweetHrs =
+      getTimeSinceLastEngagementHrs(lastRetweetSinceCreationHrs, timeSinceSourceTweetCreationOpt)
+    val timeSinceLastReplyHrs =
+      getTimeSinceLastEngagementHrs(lastReplySinceCreationHrs, timeSinceSourceTweetCreationOpt)
+    val timeSinceLastQuoteHrs =
+      getTimeSinceLastEngagementHrs(lastQuoteSinceCreationHrs, timeSinceSourceTweetCreationOpt)
+
+    val nonPollingTimestampsMs = query.features.get.getOrElse(NonPollingTimesFeature, Seq.empty)
+    val timeSinceLastNonPollingRequest =
+      nonPollingTimestampsMs.headOption.map(query.queryTime.inMillis - _)
+
+    val nonPollingRequestsSinceTweetCreation =
+      if (nonPollingTimestampsMs.nonEmpty && timeSinceTweetCreationMs.isDefined) {
+        nonPollingTimestampsMs
+          .search(timeSinceTweetCreationMs.get)(Ordering[Long].reverse)
+          .insertionPoint
+      } else 0.0
+
+    val tweetAgeRatio =
+      if (timeSinceTweetCreationMs.exists(_ > 0.0) && timeSinceLastNonPollingRequest.isDefined) {
+        timeSinceLastNonPollingRequest.get / timeSinceTweetCreationMs.get.toDouble
+      } else 0.0
+
+    val dataRecord = new DataRecord()
+      .setFeatureValue(IS_TWEET_RECYCLED, false)
+      .setFeatureValue(TWEET_AGE_RATIO, tweetAgeRatio)
+      .setFeatureValueFromOption(
+        TIME_SINCE_TWEET_CREATION,
+        timeSinceTweetCreationMs.map(_.toDouble)
+      )
+      .setFeatureValue(
+        NON_POLLING_REQUESTS_SINCE_TWEET_CREATION,
+        nonPollingRequestsSinceTweetCreation
+      )
+      .setFeatureValueFromOption(LAST_FAVORITE_SINCE_CREATION_HRS, lastFavSinceCreationHrs)
+      .setFeatureValueFromOption(LAST_RETWEET_SINCE_CREATION_HRS, lastRetweetSinceCreationHrs)
+      .setFeatureValueFromOption(LAST_REPLY_SINCE_CREATION_HRS, lastReplySinceCreationHrs)
+      .setFeatureValueFromOption(LAST_QUOTE_SINCE_CREATION_HRS, lastQuoteSinceCreationHrs)
+      .setFeatureValueFromOption(TIME_SINCE_LAST_FAVORITE_HRS, timeSinceLastFavoriteHrs)
+      .setFeatureValueFromOption(TIME_SINCE_LAST_RETWEET_HRS, timeSinceLastRetweetHrs)
+      .setFeatureValueFromOption(TIME_SINCE_LAST_REPLY_HRS, timeSinceLastReplyHrs)
+      .setFeatureValueFromOption(TIME_SINCE_LAST_QUOTE_HRS, timeSinceLastQuoteHrs)
+
+    Stitch.value(FeatureMapBuilder().add(TweetTimeDataRecordFeature, dataRecord).build())
+  }
+
+  private def getTimeSinceLastEngagementHrs(
+    lastEngagementTimeSinceCreationHrsOpt: Option[Double],
+    timeSinceTweetCreation: Option[Duration]
+  ): Option[Double] = lastEngagementTimeSinceCreationHrsOpt.flatMap { lastEngagementTimeHrs =>
+    timeSinceTweetCreation.map(_.inHours - lastEngagementTimeHrs)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieContentFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetypieContentFeatureHydrator.scala
similarity index 75%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieContentFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetypieContentFeatureHydrator.scala
index 8ad3acc46d..93039e8bcc 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieContentFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetypieContentFeatureHydrator.scala
@@ -1,12 +1,12 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.escherbird.{thriftscala => esb}
 import com.twitter.finagle.stats.Stat
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.content.ContentFeatureAdapter
 import com.twitter.home_mixer.model.HomeFeatures.MediaUnderstandingAnnotationIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TweetypieContentRepository
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.content.ContentFeatureAdapter
 import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
 import com.twitter.home_mixer.util.tweetypie.content.FeatureExtractionHelper
 import com.twitter.ml.api.DataRecord
@@ -64,45 +64,41 @@ class TweetypieContentFeatureHydrator @Inject() (
   private val bulkPostTransformerLatencyStat =
     statsReceiver.scope(statScope).scope("bulkPostTransformer").stat("latency_ms")
 
+  private val DefaultDataRecord: DataRecord = new DataRecord()
+
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    Stitch.callFuture {
-      val tweetIdsToHydrate = candidates.map(getCandidateOriginalTweetId).distinct
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val tweetIdsToHydrate = candidates.map(getCandidateOriginalTweetId).distinct
 
-      val response: Future[KeyValueResult[Long, tp.Tweet]] =
-        Stat.timeFuture(bulkRequestLatencyStat)(
-          if (tweetIdsToHydrate.isEmpty) {
-            Future.value(KeyValueResult.empty)
-          } else {
-            client(tweetIdsToHydrate)
-          }
-        )
+    val response: Future[KeyValueResult[Long, tp.Tweet]] = Stat.timeFuture(bulkRequestLatencyStat) {
+      if (tweetIdsToHydrate.isEmpty) Future.value(KeyValueResult.empty)
+      else client(tweetIdsToHydrate)
+    }
 
-      response.flatMap { result =>
-        Stat.timeFuture(bulkPostTransformerLatencyStat) {
-          OffloadFuturePools
-            .parallelize[CandidateWithFeatures[TweetCandidate], Try[(Seq[Long], DataRecord)]](
-              candidates,
-              parTransformer(result, _),
-              parallelism = 32,
-              default = Return((Seq.empty, new DataRecord))
-            ).map {
-              _.map {
-                case Return(result) =>
-                  FeatureMapBuilder()
-                    .add(MediaUnderstandingAnnotationIdsFeature, result._1)
-                    .add(TweetypieContentDataRecordFeature, result._2)
-                    .build()
-                case Throw(e) =>
-                  FeatureMapBuilder()
-                    .add(MediaUnderstandingAnnotationIdsFeature, Throw(e))
-                    .add(TweetypieContentDataRecordFeature, Throw(e))
-                    .build()
-              }
+    response.flatMap { result =>
+      Stat.timeFuture(bulkPostTransformerLatencyStat) {
+        OffloadFuturePools
+          .parallelize[CandidateWithFeatures[TweetCandidate], Try[(Seq[Long], DataRecord)]](
+            candidates,
+            parTransformer(result, _),
+            parallelism = 32,
+            default = Return((Seq.empty, DefaultDataRecord))
+          ).map {
+            _.map {
+              case Return(result) =>
+                FeatureMapBuilder()
+                  .add(MediaUnderstandingAnnotationIdsFeature, result._1)
+                  .add(TweetypieContentDataRecordFeature, result._2)
+                  .build()
+              case Throw(e) =>
+                FeatureMapBuilder()
+                  .add(MediaUnderstandingAnnotationIdsFeature, Throw(e))
+                  .add(TweetypieContentDataRecordFeature, Throw(e))
+                  .build()
             }
-        }
+          }
       }
     }
   }
@@ -112,7 +108,6 @@ class TweetypieContentFeatureHydrator @Inject() (
     candidate: CandidateWithFeatures[TweetCandidate]
   ): Try[(Seq[Long], DataRecord)] = {
     val originalTweetId = Some(getCandidateOriginalTweetId(candidate))
-
     val value = observedGet(key = originalTweetId, keyValueResult = result)
     Stat.time(postTransformerLatencyStat)(postTransformer(value))
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala
index 773f2144e7..0ea9e85917 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TweetypieStaticEntitiesFeatureHydrator.scala
@@ -1,9 +1,10 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.google.inject.name.Named
 import com.twitter.conversions.DurationOps.RichDuration
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.HasImageFeature
 import com.twitter.home_mixer.model.HomeFeatures.HasVideoFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
@@ -13,7 +14,6 @@ import com.twitter.home_mixer.model.HomeFeatures.MentionScreenNameFeature
 import com.twitter.home_mixer.model.HomeFeatures.MentionUserIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.SemanticAnnotationFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TweetypieStaticEntitiesCache
@@ -47,6 +47,7 @@ class TweetypieStaticEntitiesFeatureHydrator @Inject() (
   override val features: Set[Feature[_, _]] = Set(
     AuthorIdFeature,
     DirectedAtUserIdFeature,
+    ExclusiveConversationAuthorIdFeature,
     HasImageFeature,
     HasVideoFeature,
     InReplyToTweetIdFeature,
@@ -56,7 +57,6 @@ class TweetypieStaticEntitiesFeatureHydrator @Inject() (
     MentionUserIdFeature,
     QuotedTweetIdFeature,
     QuotedUserIdFeature,
-    SemanticAnnotationFeature,
     SourceTweetIdFeature,
     SourceUserIdFeature
   )
@@ -66,6 +66,7 @@ class TweetypieStaticEntitiesFeatureHydrator @Inject() (
   private val DefaultFeatureMap = FeatureMapBuilder()
     .add(AuthorIdFeature, None)
     .add(DirectedAtUserIdFeature, None)
+    .add(ExclusiveConversationAuthorIdFeature, None)
     .add(HasImageFeature, false)
     .add(HasVideoFeature, false)
     .add(InReplyToTweetIdFeature, None)
@@ -75,7 +76,6 @@ class TweetypieStaticEntitiesFeatureHydrator @Inject() (
     .add(MentionUserIdFeature, Seq.empty)
     .add(QuotedTweetIdFeature, None)
     .add(QuotedUserIdFeature, None)
-    .add(SemanticAnnotationFeature, Seq.empty)
     .add(SourceTweetIdFeature, None)
     .add(SourceUserIdFeature, None)
     .build()
@@ -114,12 +114,13 @@ class TweetypieStaticEntitiesFeatureHydrator @Inject() (
     val mentions = tweet.mentions.getOrElse(Seq.empty)
     val share = coreData.flatMap(_.share)
     val reply = coreData.flatMap(_.reply)
-    val semanticAnnotations =
-      tweet.escherbirdEntityAnnotations.map(_.entityAnnotations).getOrElse(Seq.empty)
 
     FeatureMapBuilder()
       .add(AuthorIdFeature, coreData.map(_.userId))
       .add(DirectedAtUserIdFeature, coreData.flatMap(_.directedAtUser.map(_.userId)))
+      .add(
+        ExclusiveConversationAuthorIdFeature,
+        tweet.exclusiveTweetControl.map(_.conversationAuthorId))
       .add(HasImageFeature, TweetMediaFeaturesExtractor.hasImage(tweet))
       .add(HasVideoFeature, TweetMediaFeaturesExtractor.hasVideo(tweet))
       .add(InReplyToTweetIdFeature, reply.flatMap(_.inReplyToStatusId))
@@ -129,7 +130,6 @@ class TweetypieStaticEntitiesFeatureHydrator @Inject() (
       .add(MentionUserIdFeature, mentions.flatMap(_.userId))
       .add(QuotedTweetIdFeature, quotedTweet.map(_.tweetId))
       .add(QuotedUserIdFeature, quotedTweet.map(_.userId))
-      .add(SemanticAnnotationFeature, semanticAnnotations)
       .add(SourceTweetIdFeature, share.map(_.sourceStatusId))
       .add(SourceUserIdFeature, share.map(_.sourceUserId))
       .build()
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinAuthorFollow20220101FeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinAuthorFollowFeatureHydrator.scala
similarity index 57%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinAuthorFollow20220101FeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinAuthorFollowFeatureHydrator.scala
index 5d928a90bb..2e531bfb2b 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinAuthorFollow20220101FeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinAuthorFollowFeatureHydrator.scala
@@ -1,9 +1,9 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.twhin_embeddings.TwhinAuthorFollowEmbeddingsAdapter
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
-import com.twitter.home_mixer.param.HomeMixerInjectionNames.TwhinAuthorFollow20200101FeatureRepository
+import com.twitter.home_mixer.param.HomeMixerInjectionNames.TwhinAuthorFollowFeatureRepository
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.twhin_embeddings.TwhinAuthorFollowEmbeddingsAdapter
+import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.{thriftscala => ml}
@@ -17,69 +17,61 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.servo.repository.KeyValueResult
 import com.twitter.stitch.Stitch
 import com.twitter.util.Future
 import com.twitter.util.Try
-
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
 import scala.collection.JavaConverters._
 
-object TwhinAuthorFollow20220101Feature
+object TwhinAuthorFollowFeature
     extends DataRecordInAFeature[TweetCandidate]
     with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
   override def defaultValue: DataRecord = new DataRecord()
 }
 
 @Singleton
-class TwhinAuthorFollow20220101FeatureHydrator @Inject() (
-  @Named(TwhinAuthorFollow20200101FeatureRepository)
-  client: KeyValueRepository[Seq[Long], Long, ml.Embedding],
+class TwhinAuthorFollowFeatureHydrator @Inject() (
+  @Named(TwhinAuthorFollowFeatureRepository)
+  client: KeyValueRepository[Seq[Long], Long, ml.FloatTensor],
   override val statsReceiver: StatsReceiver)
     extends BulkCandidateFeatureHydrator[PipelineQuery, TweetCandidate]
     with ObservedKeyValueResultHandler {
 
   override val identifier: FeatureHydratorIdentifier =
-    FeatureHydratorIdentifier("TwhinAuthorFollow20220101")
+    FeatureHydratorIdentifier("TwhinAuthorFollow")
 
-  override val features: Set[Feature[_, _]] = Set(TwhinAuthorFollow20220101Feature)
+  override val features: Set[Feature[_, _]] = Set(TwhinAuthorFollowFeature)
 
   override val statScope: String = identifier.toString
 
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    Stitch.callFuture {
-      val possiblyAuthorIds = extractKeys(candidates)
-      val authorIds = possiblyAuthorIds.flatten
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val possiblyAuthorIds = extractKeys(candidates)
+    val authorIds = possiblyAuthorIds.flatten
 
-      val response: Future[KeyValueResult[Long, ml.Embedding]] =
-        if (authorIds.isEmpty) {
-          Future.value(KeyValueResult.empty)
-        } else {
-          client(authorIds)
-        }
+    val response: Future[KeyValueResult[Long, ml.FloatTensor]] =
+      if (authorIds.isEmpty) Future.value(KeyValueResult.empty) else client(authorIds)
 
-      response.map { result =>
-        possiblyAuthorIds.map { possiblyAuthorId =>
-          val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
-          val transformedValue = postTransformer(value)
+    response.map { result =>
+      possiblyAuthorIds.map { possiblyAuthorId =>
+        val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
+        val transformedValue = postTransformer(value)
 
-          FeatureMapBuilder()
-            .add(TwhinAuthorFollow20220101Feature, transformedValue)
-            .build()
-        }
+        FeatureMapBuilder().add(TwhinAuthorFollowFeature, transformedValue).build()
       }
     }
   }
 
-  private def postTransformer(embedding: Try[Option[ml.Embedding]]): Try[DataRecord] = {
-    embedding.map { e =>
-      TwhinAuthorFollowEmbeddingsAdapter.adaptToDataRecords(e).asScala.head
+  private def postTransformer(embedding: Try[Option[ml.FloatTensor]]): Try[DataRecord] = {
+    embedding.map { floatTensor =>
+      TwhinAuthorFollowEmbeddingsAdapter.adaptToDataRecords(floatTensor).asScala.head
     }
   }
 
@@ -87,10 +79,7 @@ class TwhinAuthorFollow20220101FeatureHydrator @Inject() (
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
   ): Seq[Option[Long]] = {
     candidates.map { candidate =>
-      candidate.features
-        .getTry(AuthorIdFeature)
-        .toOption
-        .flatten
+      CandidatesUtil.getOriginalAuthorId(candidate.features)
     }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala
similarity index 62%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala
index bc602d90cb..f43abc98fe 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinUserEngagementQueryFeatureHydrator.scala
@@ -1,17 +1,15 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.twhin_embeddings.TwhinUserEngagementEmbeddingsAdapter
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TwhinUserEngagementFeatureRepository
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.twhin_embeddings.TwhinUserEngagementEmbeddingsAdapter
 import com.twitter.ml.api.DataRecord
-import com.twitter.ml.api.RichDataRecord
-import com.twitter.ml.api.util.ScalaToJavaDataRecordConversions
 import com.twitter.ml.api.{thriftscala => ml}
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
 import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
@@ -22,6 +20,7 @@ import com.twitter.util.Throw
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
+import scala.collection.JavaConverters._
 
 object TwhinUserEngagementFeature
     extends DataRecordInAFeature[PipelineQuery]
@@ -48,33 +47,26 @@ class TwhinUserEngagementQueryFeatureHydrator @Inject() (
 
   override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
     val userId = query.getRequiredUserId
-    Stitch.callFuture {
-      client(Seq(userId)).map { results =>
-        val embedding: Option[ml.FloatTensor] = results(userId) match {
-          case Return(value) =>
-            if (value.exists(_.floats.nonEmpty)) keyFoundCounter.incr()
-            else keyLossCounter.incr()
-            value
-          case Throw(_) =>
-            keyFailureCounter.incr()
-            None
-          case _ =>
-            None
-        }
-        val dataRecord =
-          new RichDataRecord(new DataRecord, TwhinUserEngagementEmbeddingsAdapter.getFeatureContext)
-        embedding.foreach { floatTensor =>
-          dataRecord.setFeatureValue(
-            TwhinUserEngagementEmbeddingsAdapter.twhinEmbeddingsFeature,
-            ScalaToJavaDataRecordConversions.scalaTensor2Java(
-              ml.GeneralTensor.FloatTensor(floatTensor))
-          )
-        }
-
-        FeatureMapBuilder()
-          .add(TwhinUserEngagementFeature, dataRecord.getRecord)
-          .build()
+    Stitch.callFuture(client(Seq(userId))).map { results =>
+      val embedding: Option[ml.FloatTensor] = results(userId) match {
+        case Return(value) =>
+          if (value.exists(_.floats.nonEmpty)) keyFoundCounter.incr()
+          else keyLossCounter.incr()
+          value
+        case Throw(_) =>
+          keyFailureCounter.incr()
+          None
+        case _ =>
+          None
       }
+
+      val dataRecord =
+        TwhinUserEngagementEmbeddingsAdapter.adaptToDataRecords(embedding).asScala.head
+
+      FeatureMapBuilder()
+        .add(TwhinUserEngagementFeature, dataRecord)
+        .build()
     }
   }
+
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala
similarity index 62%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala
index c0efba1673..925043e1e9 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/TwhinUserFollowQueryFeatureHydrator.scala
@@ -1,18 +1,15 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.twhin_embeddings.TwhinUserFollowEmbeddingsAdapter
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TwhinUserFollowFeatureRepository
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.twhin_embeddings.TwhinUserFollowEmbeddingsAdapter
 import com.twitter.ml.api.DataRecord
-import com.twitter.ml.api.RichDataRecord
-
-import com.twitter.ml.api.util.ScalaToJavaDataRecordConversions
 import com.twitter.ml.api.{thriftscala => ml}
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
 import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
@@ -23,6 +20,7 @@ import com.twitter.util.Throw
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
+import scala.collection.JavaConverters._
 
 object TwhinUserFollowFeature
     extends DataRecordInAFeature[PipelineQuery]
@@ -49,32 +47,24 @@ class TwhinUserFollowQueryFeatureHydrator @Inject() (
 
   override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
     val userId = query.getRequiredUserId
-    Stitch.callFuture(
-      client(Seq(userId)).map { results =>
-        val embedding: Option[ml.FloatTensor] = results(userId) match {
-          case Return(value) =>
-            if (value.exists(_.floats.nonEmpty)) keyFoundCounter.incr()
-            else keyLossCounter.incr()
-            value
-          case Throw(_) =>
-            keyFailureCounter.incr()
-            None
-          case _ =>
-            None
-        }
-        val dataRecord =
-          new RichDataRecord(new DataRecord, TwhinUserFollowEmbeddingsAdapter.getFeatureContext)
-        embedding.foreach { floatTensor =>
-          dataRecord.setFeatureValue(
-            TwhinUserFollowEmbeddingsAdapter.twhinEmbeddingsFeature,
-            ScalaToJavaDataRecordConversions.scalaTensor2Java(
-              ml.GeneralTensor
-                .FloatTensor(floatTensor)))
-        }
-        FeatureMapBuilder()
-          .add(TwhinUserFollowFeature, dataRecord.getRecord)
-          .build()
+    Stitch.callFuture(client(Seq(userId))).map { results =>
+      val embedding: Option[ml.FloatTensor] = results(userId) match {
+        case Return(value) =>
+          if (value.exists(_.floats.nonEmpty)) keyFoundCounter.incr()
+          else keyLossCounter.incr()
+          value
+        case Throw(_) =>
+          keyFailureCounter.incr()
+          None
+        case _ =>
+          None
       }
-    )
+
+      val dataRecord = TwhinUserFollowEmbeddingsAdapter.adaptToDataRecords(embedding).asScala.head
+
+      FeatureMapBuilder()
+        .add(TwhinUserFollowFeature, dataRecord)
+        .build()
+    }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala
similarity index 75%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala
index 5aed770a1b..90f618fd03 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserFollowedTopicIdsFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
@@ -12,12 +12,12 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Bulk
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.servo.keyvalue.KeyValueResult
 import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.stitch.Stitch
 import com.twitter.util.Future
 import com.twitter.util.Try
-
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
@@ -42,27 +42,19 @@ class UserFollowedTopicIdsFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    Stitch.callFuture {
-      val possiblyAuthorIds = extractKeys(candidates)
-      val authorIds = possiblyAuthorIds.flatten
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
+    val possiblyAuthorIds = extractKeys(candidates)
+    val authorIds = possiblyAuthorIds.flatten
 
-      val response: Future[KeyValueResult[Long, Seq[Long]]] =
-        if (authorIds.isEmpty) {
-          Future.value(KeyValueResult.empty)
-        } else {
-          client(authorIds)
-        }
+    val response: Future[KeyValueResult[Long, Seq[Long]]] =
+      if (authorIds.isEmpty) Future.value(KeyValueResult.empty) else client(authorIds)
 
-      response.map { result =>
-        possiblyAuthorIds.map { possiblyAuthorId =>
-          val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
-          val transformedValue = postTransformer(value)
+    response.map { result =>
+      possiblyAuthorIds.map { possiblyAuthorId =>
+        val value = observedGet(key = possiblyAuthorId, keyValueResult = result)
+        val transformedValue = postTransformer(value)
 
-          FeatureMapBuilder()
-            .add(UserFollowedTopicIdsFeature, transformedValue)
-            .build()
-        }
+        FeatureMapBuilder().add(UserFollowedTopicIdsFeature, transformedValue).build()
       }
     }
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserLanguagesFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserLanguagesFeatureHydrator.scala
similarity index 58%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserLanguagesFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserLanguagesFeatureHydrator.scala
index ad97f3a236..e2431c43ed 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserLanguagesFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserLanguagesFeatureHydrator.scala
@@ -1,6 +1,8 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
-import com.twitter.home_mixer.param.HomeMixerInjectionNames.UserLanguagesStore
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.param.HomeMixerInjectionNames.UserLanguagesRepository
+import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
@@ -8,8 +10,8 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Quer
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.search.common.constants.{thriftscala => scc}
+import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.stitch.Stitch
-import com.twitter.storehaus.ReadableStore
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
@@ -18,17 +20,26 @@ object UserLanguagesFeature extends Feature[PipelineQuery, Seq[scc.ThriftLanguag
 
 @Singleton
 case class UserLanguagesFeatureHydrator @Inject() (
-  @Named(UserLanguagesStore) store: ReadableStore[Long, Seq[scc.ThriftLanguage]])
-    extends QueryFeatureHydrator[PipelineQuery] {
+  @Named(UserLanguagesRepository) client: KeyValueRepository[Seq[Long], Long, Seq[
+    scc.ThriftLanguage
+  ]],
+  statsReceiver: StatsReceiver)
+    extends QueryFeatureHydrator[PipelineQuery]
+    with ObservedKeyValueResultHandler {
 
   override val identifier: FeatureHydratorIdentifier = FeatureHydratorIdentifier("UserLanguages")
 
   override val features: Set[Feature[_, _]] = Set(UserLanguagesFeature)
 
+  override val statScope: String = identifier.toString
+
   override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
-    Stitch.callFuture(store.get(query.getRequiredUserId)).map { languages =>
+    val key = query.getRequiredUserId
+    Stitch.callFuture(client(Seq(key))).map { result =>
+      val feature =
+        observedGet(key = Some(key), keyValueResult = result).map(_.getOrElse(Seq.empty))
       FeatureMapBuilder()
-        .add(UserLanguagesFeature, languages.getOrElse(Seq.empty))
+        .add(UserLanguagesFeature, feature)
         .build()
     }
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserStateQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserStateQueryFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserStateQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserStateQueryFeatureHydrator.scala
index 29532c8e17..5a61f31fb2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UserStateQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UserStateQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
 import com.twitter.home_mixer.model.HomeFeatures.UserStateFeature
 import com.twitter.home_mixer.service.HomeMixerAlertConfig
@@ -9,13 +9,12 @@ import com.twitter.product_mixer.core.functional_component.feature_hydrator.Quer
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
-import com.twitter.timelines.user_health.{thriftscala => uh}
 import com.twitter.timelines.user_health.v1.{thriftscala => uhv1}
+import com.twitter.timelines.user_health.{thriftscala => uh}
 import com.twitter.user_session_store.ReadOnlyUserSessionStore
 import com.twitter.user_session_store.ReadRequest
 import com.twitter.user_session_store.UserSessionDataset
 import com.twitter.user_session_store.UserSessionDataset.UserSessionDataset
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UtegFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UtegFeatureHydrator.scala
similarity index 77%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UtegFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UtegFeatureHydrator.scala
index 389a50d032..96b9657e7d 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/UtegFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/UtegFeatureHydrator.scala
@@ -1,9 +1,13 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator
 
+import com.twitter.home_mixer.model.HomeFeatures.FavoritedByCountFeature
 import com.twitter.home_mixer.model.HomeFeatures.FavoritedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.RealGraphInNetworkScoresFeature
+import com.twitter.home_mixer.model.HomeFeatures.RepliedByCountFeature
 import com.twitter.home_mixer.model.HomeFeatures.RepliedByEngagerIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.RetweetedByCountFeature
 import com.twitter.home_mixer.model.HomeFeatures.RetweetedByEngagerIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.UtegSocialProofRepository
@@ -16,12 +20,12 @@ import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.Conditionally
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.recos.recos_common.{thriftscala => rc}
 import com.twitter.recos.user_tweet_entity_graph.{thriftscala => uteg}
 import com.twitter.servo.keyvalue.KeyValueResult
 import com.twitter.servo.repository.KeyValueRepository
 import com.twitter.stitch.Stitch
-
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
@@ -40,7 +44,10 @@ class UtegFeatureHydrator @Inject() (
   override val features: Set[Feature[_, _]] = Set(
     FavoritedByUserIdsFeature,
     RetweetedByEngagerIdsFeature,
-    RepliedByEngagerIdsFeature
+    RepliedByEngagerIdsFeature,
+    FavoritedByCountFeature,
+    RetweetedByCountFeature,
+    RepliedByCountFeature
   )
 
   override def onlyIf(query: PipelineQuery): Boolean = query.features
@@ -49,7 +56,7 @@ class UtegFeatureHydrator @Inject() (
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
     val seedUserWeights = query.features.map(_.get(RealGraphInNetworkScoresFeature)).get
 
     val sourceTweetIds = candidates.flatMap(_.features.getOrElse(SourceTweetIdFeature, None))
@@ -59,9 +66,7 @@ class UtegFeatureHydrator @Inject() (
 
     val utegQuery = (tweetIdsToSend, (query.getRequiredUserId, seedUserWeights))
 
-    Stitch
-      .callFuture(client(utegQuery))
-      .map(handleResponse(candidates, _))
+    client(utegQuery).map(handleResponse(candidates, _))
   }
 
   private def handleResponse(
@@ -69,6 +74,7 @@ class UtegFeatureHydrator @Inject() (
     results: KeyValueResult[Long, uteg.TweetRecommendation],
   ): Seq[FeatureMap] = {
     candidates.map { candidate =>
+      val inNetwork = candidate.features.getOrElse(FromInNetworkSourceFeature, false)
       val candidateProof = results(candidate.candidate.id).toOption.flatten
       val sourceProof = candidate.features
         .getOrElse(SourceTweetIdFeature, None).flatMap(results(_).toOption.flatten)
@@ -78,10 +84,18 @@ class UtegFeatureHydrator @Inject() (
       val retweetedBy = proofs.flatMap(_.get(rc.SocialProofType.Retweet)).flatten
       val repliedBy = proofs.flatMap(_.get(rc.SocialProofType.Reply)).flatten
 
+      val (favoritedByCount, retweetedByCount, repliedByCount) =
+        if (!inNetwork) {
+          (favoritedBy.size.toDouble, retweetedBy.size.toDouble, repliedBy.size.toDouble)
+        } else { (0.0, 0.0, 0.0) }
+
       FeatureMapBuilder()
         .add(FavoritedByUserIdsFeature, favoritedBy)
         .add(RetweetedByEngagerIdsFeature, retweetedBy)
         .add(RepliedByEngagerIdsFeature, repliedBy)
+        .add(FavoritedByCountFeature, favoritedByCount)
+        .add(RetweetedByCountFeature, retweetedByCount)
+        .add(RepliedByCountFeature, repliedByCount)
         .build()
     }
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala
new file mode 100644
index 0000000000..cbaa3f18c7
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/AuthorFeaturesAdapter.scala
@@ -0,0 +1,92 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.author_features
+
+import com.twitter.home_mixer.util.DataRecordUtil
+import com.twitter.ml.api.DataRecord
+import com.twitter.ml.api.Feature
+import com.twitter.ml.api.FeatureContext
+import com.twitter.ml.api.util.CompactDataRecordConverter
+import com.twitter.ml.api.util.FDsl._
+import com.twitter.timelines.author_features.v1.{thriftjava => af}
+import com.twitter.timelines.prediction.common.adapters.TimelinesAdapterBase
+import com.twitter.timelines.prediction.common.aggregates.TimelinesAggregationConfig
+import com.twitter.timelines.prediction.features.user_health.UserHealthFeatures
+import scala.collection.JavaConverters._
+
+object AuthorFeaturesAdapter extends TimelinesAdapterBase[af.AuthorFeatures] {
+
+  private val Prefix = "original_author.timelines.original_author_aggregates."
+
+  private val typedAggregateGroups =
+    TimelinesAggregationConfig.originalAuthorAggregatesV1.buildTypedAggregateGroups()
+
+  private val aggregateFeaturesRenameMap: Map[Feature[_], Feature[_]] =
+    typedAggregateGroups.map(_.outputFeaturesToRenamedOutputFeatures(Prefix)).reduce(_ ++ _)
+
+  private val prefixedOriginalAuthorAggregateFeatures =
+    typedAggregateGroups.flatMap(_.allOutputFeatures).map { feature =>
+      aggregateFeaturesRenameMap.getOrElse(feature, feature)
+    }
+
+  private val authorFeatures = prefixedOriginalAuthorAggregateFeatures ++ Seq(
+    UserHealthFeatures.AuthorState,
+    UserHealthFeatures.NumAuthorFollowers,
+    UserHealthFeatures.NumAuthorConnectDays,
+    UserHealthFeatures.NumAuthorConnect
+  )
+
+  private val aggregateFeatureContext: FeatureContext =
+    new FeatureContext(typedAggregateGroups.flatMap(_.allOutputFeatures).asJava)
+
+  private lazy val prefixedAggregateFeatureContext: FeatureContext =
+    new FeatureContext(prefixedOriginalAuthorAggregateFeatures.asJava)
+
+  override val getFeatureContext: FeatureContext = new FeatureContext(authorFeatures: _*)
+
+  override val commonFeatures: Set[Feature[_]] = Set.empty
+
+  private val compactDataRecordConverter = new CompactDataRecordConverter()
+
+  override def adaptToDataRecords(
+    authorFeatures: af.AuthorFeatures
+  ): java.util.List[DataRecord] = {
+    val dataRecord =
+      if (authorFeatures.aggregates != null) {
+        val originalAuthorAggregatesDataRecord =
+          compactDataRecordConverter.compactDataRecordToDataRecord(authorFeatures.aggregates)
+
+        DataRecordUtil.applyRename(
+          originalAuthorAggregatesDataRecord,
+          aggregateFeatureContext,
+          prefixedAggregateFeatureContext,
+          aggregateFeaturesRenameMap)
+      } else new DataRecord
+
+    if (authorFeatures.user_health != null) {
+      val userHealth = authorFeatures.user_health
+
+      if (userHealth.user_state != null) {
+        dataRecord.setFeatureValue(
+          UserHealthFeatures.AuthorState,
+          userHealth.user_state.getValue.toLong
+        )
+      }
+
+      dataRecord.setFeatureValue(
+        UserHealthFeatures.NumAuthorFollowers,
+        userHealth.num_followers.toDouble
+      )
+
+      dataRecord.setFeatureValue(
+        UserHealthFeatures.NumAuthorConnectDays,
+        userHealth.num_connect_days.toDouble
+      )
+
+      dataRecord.setFeatureValue(
+        UserHealthFeatures.NumAuthorConnect,
+        userHealth.num_connect.toDouble
+      )
+    }
+
+    List(dataRecord).asJava
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/BUILD.bazel
similarity index 90%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/BUILD.bazel
index ad8e1cd827..7a00a9b260 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/author_features/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/author_features/BUILD.bazel
@@ -4,6 +4,7 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "src/java/com/twitter/ml/api:api-base",
         "src/java/com/twitter/ml/api/util",
         "src/scala/com/twitter/ml/api/util",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/BUILD.bazel
similarity index 89%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/BUILD.bazel
index bf9d7e2b80..6a93931217 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/BUILD.bazel
@@ -11,6 +11,7 @@ scala_library(
         "src/scala/com/twitter/timelines/prediction/common/adapters",
         "src/scala/com/twitter/timelines/prediction/common/adapters:base",
         "src/scala/com/twitter/timelines/prediction/features/common",
+        "src/scala/com/twitter/timelines/prediction/features/conversation_features",
         "src/thrift/com/twitter/ml/api:data-java",
         "src/thrift/com/twitter/ml/api:data-scala",
     ],
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content/ContentFeatureAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/ContentFeatureAdapter.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content/ContentFeatureAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/ContentFeatureAdapter.scala
index 93cb6036d8..2d73ece456 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/content/ContentFeatureAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/ContentFeatureAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.content
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.content
 
 import com.twitter.home_mixer.model.ContentFeatures
 import com.twitter.ml.api.Feature
@@ -8,11 +8,14 @@ import com.twitter.ml.api.util.DataRecordConverters._
 import com.twitter.timelines.prediction.common.adapters.TimelinesMutatingAdapterBase
 import com.twitter.timelines.prediction.common.adapters.TweetLengthType
 import com.twitter.timelines.prediction.features.common.TimelinesSharedFeatures
+import com.twitter.timelines.prediction.features.conversation_features.ConversationFeatures
 import scala.collection.JavaConverters._
 
 object ContentFeatureAdapter extends TimelinesMutatingAdapterBase[Option[ContentFeatures]] {
 
   override val getFeatureContext: FeatureContext = new FeatureContext(
+    ConversationFeatures.IS_SELF_THREAD_TWEET,
+    ConversationFeatures.IS_LEAF_IN_SELF_THREAD,
     TimelinesSharedFeatures.ASPECT_RATIO_DEN,
     TimelinesSharedFeatures.ASPECT_RATIO_NUM,
     TimelinesSharedFeatures.BIT_RATE,
@@ -79,6 +82,16 @@ object ContentFeatureAdapter extends TimelinesMutatingAdapterBase[Option[Content
   ): Unit = {
     if (contentFeatures.nonEmpty) {
       val features = contentFeatures.get
+      // Conversation Features
+      richDataRecord.setFeatureValueFromOption(
+        ConversationFeatures.IS_SELF_THREAD_TWEET,
+        Some(features.selfThreadMetadata.nonEmpty)
+      )
+      richDataRecord.setFeatureValueFromOption(
+        ConversationFeatures.IS_LEAF_IN_SELF_THREAD,
+        features.selfThreadMetadata.map(_.isLeaf)
+      )
+
       // Media Features
       richDataRecord.setFeatureValueFromOption(
         TimelinesSharedFeatures.ASPECT_RATIO_DEN,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/InReplyToContentFeatureAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/InReplyToContentFeatureAdapter.scala
new file mode 100644
index 0000000000..fa27ddac00
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/content/InReplyToContentFeatureAdapter.scala
@@ -0,0 +1,75 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.content
+
+import com.twitter.home_mixer.model.ContentFeatures
+import com.twitter.ml.api.Feature
+import com.twitter.ml.api.FeatureContext
+import com.twitter.ml.api.RichDataRecord
+import com.twitter.ml.api.util.DataRecordConverters.RichDataRecordWrapper
+import com.twitter.timelines.prediction.common.adapters.TimelinesMutatingAdapterBase
+import com.twitter.timelines.prediction.features.common.InReplyToTweetTimelinesSharedFeatures
+
+object InReplyToContentFeatureAdapter
+    extends TimelinesMutatingAdapterBase[Option[ContentFeatures]] {
+
+  override val getFeatureContext: FeatureContext = new FeatureContext(
+    // Media Features
+    InReplyToTweetTimelinesSharedFeatures.ASPECT_RATIO_DEN,
+    InReplyToTweetTimelinesSharedFeatures.ASPECT_RATIO_NUM,
+    InReplyToTweetTimelinesSharedFeatures.HEIGHT_1,
+    InReplyToTweetTimelinesSharedFeatures.HEIGHT_2,
+    InReplyToTweetTimelinesSharedFeatures.VIDEO_DURATION,
+    // TextFeatures
+    InReplyToTweetTimelinesSharedFeatures.NUM_CAPS,
+    InReplyToTweetTimelinesSharedFeatures.TWEET_LENGTH,
+    InReplyToTweetTimelinesSharedFeatures.HAS_QUESTION,
+  )
+
+  override val commonFeatures: Set[Feature[_]] = Set.empty
+
+  override def setFeatures(
+    contentFeatures: Option[ContentFeatures],
+    richDataRecord: RichDataRecord
+  ): Unit = {
+    if (contentFeatures.nonEmpty) {
+      val features = contentFeatures.get
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.ASPECT_RATIO_DEN,
+        features.aspectRatioNum.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.ASPECT_RATIO_NUM,
+        features.aspectRatioNum.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.HEIGHT_1,
+        features.heights.flatMap(_.lift(0)).map(_.toDouble)
+      )
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.HEIGHT_2,
+        features.heights.flatMap(_.lift(1)).map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.VIDEO_DURATION,
+        features.videoDurationMs.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.NUM_CAPS,
+        Some(features.numCaps.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.TWEET_LENGTH,
+        Some(features.length.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.HAS_QUESTION,
+        Some(features.hasQuestion)
+      )
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/earlybird/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/BUILD.bazel
similarity index 100%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/earlybird/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/BUILD.bazel
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala
similarity index 98%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala
index 833733c167..5a0207e8a4 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/EarlybirdAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.earlybird
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.earlybird
 
 import com.twitter.ml.api.Feature
 import com.twitter.ml.api.FeatureContext
@@ -305,6 +305,10 @@ object EarlybirdAdapter extends TimelinesMutatingAdapterBase[Option[sc.ThriftTwe
       richDataRecord.setFeatureValueFromOption(
         RecapFeatures.REPLY_COUNT_V2,
         features.replyCountV2.map(_.toDouble))
+      richDataRecord.setFeatureValueFromOption(
+        RecapFeatures.MENTIONED_SCREEN_NAMES,
+        features.mentionsList.map(_.toSet.asJava)
+      )
       val urls = features.urlsList.getOrElse(Seq.empty)
       richDataRecord.setFeatureValue(
         RecapFeatures.URL_DOMAINS,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/InReplyToEarlybirdAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/InReplyToEarlybirdAdapter.scala
new file mode 100644
index 0000000000..b6a7b0ad37
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/earlybird/InReplyToEarlybirdAdapter.scala
@@ -0,0 +1,206 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.earlybird
+
+import com.twitter.ml.api.Feature
+import com.twitter.ml.api.FeatureContext
+import com.twitter.ml.api.RichDataRecord
+import com.twitter.ml.api.util.DataRecordConverters.RichDataRecordWrapper
+import com.twitter.search.common.features.{thriftscala => sc}
+import com.twitter.timelines.prediction.common.adapters.TimelinesMutatingAdapterBase
+import com.twitter.timelines.prediction.features.common.InReplyToTweetTimelinesSharedFeatures
+import com.twitter.timelines.prediction.features.recap.InReplyToRecapFeatures
+import java.lang.{Boolean => JBoolean}
+import java.lang.{Double => JDouble}
+
+object InReplyToEarlybirdAdapter
+    extends TimelinesMutatingAdapterBase[Option[sc.ThriftTweetFeatures]] {
+
+  override val getFeatureContext: FeatureContext = new FeatureContext(
+    // TextFeatures
+    InReplyToTweetTimelinesSharedFeatures.WEIGHTED_FAV_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.WEIGHTED_RETWEET_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.WEIGHTED_REPLY_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.WEIGHTED_QUOTE_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.DECAYED_FAVORITE_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.DECAYED_RETWEET_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.DECAYED_REPLY_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.DECAYED_QUOTE_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.QUOTE_COUNT,
+    InReplyToTweetTimelinesSharedFeatures.HAS_QUOTE,
+    InReplyToTweetTimelinesSharedFeatures.EARLYBIRD_SCORE,
+    InReplyToRecapFeatures.PREV_USER_TWEET_ENGAGEMENT,
+    InReplyToRecapFeatures.IS_SENSITIVE,
+    InReplyToRecapFeatures.IS_AUTHOR_NEW,
+    InReplyToRecapFeatures.NUM_MENTIONS,
+    InReplyToRecapFeatures.HAS_MENTION,
+    InReplyToRecapFeatures.HAS_HASHTAG,
+    InReplyToRecapFeatures.IS_AUTHOR_NSFW,
+    InReplyToRecapFeatures.IS_AUTHOR_SPAM,
+    InReplyToRecapFeatures.IS_AUTHOR_BOT,
+    InReplyToRecapFeatures.FROM_MUTUAL_FOLLOW,
+    InReplyToRecapFeatures.USER_REP,
+    InReplyToRecapFeatures.FROM_VERIFIED_ACCOUNT,
+    InReplyToRecapFeatures.HAS_IMAGE,
+    InReplyToRecapFeatures.HAS_NEWS,
+    InReplyToRecapFeatures.HAS_VIDEO,
+    InReplyToRecapFeatures.HAS_VISIBLE_LINK,
+    InReplyToRecapFeatures.IS_OFFENSIVE,
+    InReplyToRecapFeatures.IS_REPLY,
+    InReplyToRecapFeatures.BIDIRECTIONAL_REPLY_COUNT,
+    InReplyToRecapFeatures.UNIDIRECTIONAL_REPLY_COUNT,
+    InReplyToRecapFeatures.BIDIRECTIONAL_RETWEET_COUNT,
+    InReplyToRecapFeatures.UNIDIRECTIONAL_RETWEET_COUNT,
+    InReplyToRecapFeatures.BIDIRECTIONAL_FAV_COUNT,
+    InReplyToRecapFeatures.UNIDIRECTIONAL_FAV_COUNT,
+    InReplyToRecapFeatures.CONVERSATIONAL_COUNT,
+    InReplyToRecapFeatures.REPLY_COUNT,
+    InReplyToRecapFeatures.RETWEET_COUNT,
+    InReplyToRecapFeatures.FAV_COUNT,
+    InReplyToRecapFeatures.TEXT_SCORE,
+    InReplyToRecapFeatures.FAV_COUNT_V2,
+    InReplyToRecapFeatures.RETWEET_COUNT_V2,
+    InReplyToRecapFeatures.REPLY_COUNT_V2)
+
+  override val commonFeatures: Set[Feature[_]] = Set.empty
+
+  override def setFeatures(
+    ebFeatures: Option[sc.ThriftTweetFeatures],
+    richDataRecord: RichDataRecord
+  ): Unit = {
+    if (ebFeatures.nonEmpty) {
+      val features = ebFeatures.get
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.WEIGHTED_FAV_COUNT,
+        features.weightedFavoriteCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.WEIGHTED_RETWEET_COUNT,
+        features.weightedRetweetCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.WEIGHTED_REPLY_COUNT,
+        features.weightedReplyCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.WEIGHTED_QUOTE_COUNT,
+        features.weightedQuoteCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.DECAYED_FAVORITE_COUNT,
+        features.decayedFavoriteCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.DECAYED_RETWEET_COUNT,
+        features.decayedRetweetCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.DECAYED_REPLY_COUNT,
+        features.decayedReplyCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.DECAYED_QUOTE_COUNT,
+        features.decayedQuoteCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.QUOTE_COUNT,
+        features.quoteCount.map(_.toDouble)
+      )
+
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToTweetTimelinesSharedFeatures.HAS_QUOTE,
+        features.hasQuote
+      )
+
+      if (features.earlybirdScore > 0)
+        richDataRecord.setFeatureValue[JDouble](
+          InReplyToTweetTimelinesSharedFeatures.EARLYBIRD_SCORE,
+          features.earlybirdScore
+        )
+
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.PREV_USER_TWEET_ENGAGEMENT,
+        features.prevUserTweetEngagement.toDouble
+      )
+
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_SENSITIVE, features.isSensitiveContent)
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_AUTHOR_NEW, features.isAuthorNew)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.NUM_MENTIONS,
+        features.numMentions.toDouble)
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.HAS_MENTION, (features.numMentions > 0))
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.HAS_HASHTAG, (features.numHashtags > 0))
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_AUTHOR_NSFW, features.isAuthorNSFW)
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_AUTHOR_SPAM, features.isAuthorSpam)
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_AUTHOR_BOT, features.isAuthorBot)
+      richDataRecord.setFeatureValue[JBoolean](
+        InReplyToRecapFeatures.FROM_MUTUAL_FOLLOW,
+        features.fromMutualFollow)
+      richDataRecord.setFeatureValue[JDouble](InReplyToRecapFeatures.USER_REP, features.userRep)
+      richDataRecord.setFeatureValue[JBoolean](
+        InReplyToRecapFeatures.FROM_VERIFIED_ACCOUNT,
+        features.fromVerifiedAccount)
+      richDataRecord.setFeatureValue[JBoolean](InReplyToRecapFeatures.HAS_IMAGE, features.hasImage)
+      richDataRecord.setFeatureValue[JBoolean](InReplyToRecapFeatures.HAS_NEWS, features.hasNews)
+      richDataRecord.setFeatureValue[JBoolean](InReplyToRecapFeatures.HAS_VIDEO, features.hasVideo)
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.HAS_VISIBLE_LINK, features.hasVisibleLink)
+      richDataRecord
+        .setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_OFFENSIVE, features.isOffensive)
+      richDataRecord.setFeatureValue[JBoolean](InReplyToRecapFeatures.IS_REPLY, features.isReply)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.BIDIRECTIONAL_REPLY_COUNT,
+        features.bidirectionalReplyCount)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.UNIDIRECTIONAL_REPLY_COUNT,
+        features.unidirectionalReplyCount)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.BIDIRECTIONAL_RETWEET_COUNT,
+        features.bidirectionalRetweetCount)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.UNIDIRECTIONAL_RETWEET_COUNT,
+        features.unidirectionalRetweetCount)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.BIDIRECTIONAL_FAV_COUNT,
+        features.bidirectionalFavCount)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.UNIDIRECTIONAL_FAV_COUNT,
+        features.unidirectionalFavCount)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.CONVERSATIONAL_COUNT,
+        features.conversationCount)
+      richDataRecord
+        .setFeatureValue[JDouble](InReplyToRecapFeatures.REPLY_COUNT, features.replyCount.toDouble)
+      richDataRecord.setFeatureValue[JDouble](
+        InReplyToRecapFeatures.RETWEET_COUNT,
+        features.retweetCount.toDouble)
+      richDataRecord
+        .setFeatureValue[JDouble](InReplyToRecapFeatures.FAV_COUNT, features.favCount.toDouble)
+      richDataRecord.setFeatureValue[JDouble](InReplyToRecapFeatures.TEXT_SCORE, features.textScore)
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToRecapFeatures.FAV_COUNT_V2,
+        features.favCountV2.map(_.toDouble))
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToRecapFeatures.RETWEET_COUNT_V2,
+        features.retweetCountV2.map(_.toDouble)
+      )
+      richDataRecord.setFeatureValueFromOption(
+        InReplyToRecapFeatures.REPLY_COUNT_V2,
+        features.replyCountV2.map(_.toDouble))
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/inferred_topic/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/inferred_topic/BUILD.bazel
similarity index 100%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/inferred_topic/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/inferred_topic/BUILD.bazel
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala
similarity index 90%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala
index 62125ea5ad..1439cc2adb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/inferred_topic/InferredTopicAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.inferred_topic
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.inferred_topic
 
 import com.twitter.ml.api.Feature
 import com.twitter.ml.api.FeatureContext
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/BUILD.bazel
similarity index 100%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/BUILD.bazel
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala
index 24e0edb9b5..6c4b79eee4 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/NonMLCandidateFeaturesAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.non_ml_features
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.non_ml_features
 
 import com.twitter.ml.api.constant.SharedFeatures
 import com.twitter.ml.api.Feature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala
index 612c4900cc..a2777538ce 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features/NonMLCommonFeaturesAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.non_ml_features
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.non_ml_features
 
 import com.twitter.ml.api.constant.SharedFeatures
 import com.twitter.ml.api.Feature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/BUILD.bazel
similarity index 100%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/BUILD.bazel
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala
similarity index 79%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala
index cd5ab020f6..dce0a81db3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/PassThroughAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.offline_aggregates
 
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.IRecordOneToOneAdapter
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala
similarity index 87%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala
index 816b350690..4c54f78d82 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates/SparseAggregatesToDenseAdapter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.offline_aggregates
 
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.FeatureContext
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/twhin_embeddings/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/twhin_embeddings/BUILD.bazel
similarity index 100%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/twhin_embeddings/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/twhin_embeddings/BUILD.bazel
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala
similarity index 63%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala
index 99c4ba8dd9..c2830e462d 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/twhin_embeddings/TwhinEmbeddingsAdapter.scala
@@ -1,17 +1,14 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.adapters.twhin_embeddings
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.twhin_embeddings
 
-import com.twitter.ml.api.util.BufferToIterators.RichFloatBuffer
-import com.twitter.ml.api.util.ScalaToJavaDataRecordConversions
 import com.twitter.ml.api.DataType
 import com.twitter.ml.api.Feature
 import com.twitter.ml.api.FeatureContext
 import com.twitter.ml.api.RichDataRecord
+import com.twitter.ml.api.util.ScalaToJavaDataRecordConversions
 import com.twitter.ml.api.{thriftscala => ml}
 import com.twitter.timelines.prediction.common.adapters.TimelinesMutatingAdapterBase
 
-import java.nio.ByteOrder
-
-sealed trait TwhinEmbeddingsAdapter extends TimelinesMutatingAdapterBase[Option[ml.Embedding]] {
+sealed trait TwhinEmbeddingsAdapter extends TimelinesMutatingAdapterBase[Option[ml.FloatTensor]] {
   def twhinEmbeddingsFeature: Feature.Tensor
 
   override def getFeatureContext: FeatureContext = new FeatureContext(
@@ -19,42 +16,32 @@ sealed trait TwhinEmbeddingsAdapter extends TimelinesMutatingAdapterBase[Option[
   )
 
   override def setFeatures(
-    embedding: Option[ml.Embedding],
+    embedding: Option[ml.FloatTensor],
     richDataRecord: RichDataRecord
   ): Unit = {
-    embedding.foreach { embedding =>
-      val floatTensor = embedding.tensor map { tensor =>
-        ml.FloatTensor(
-          tensor.content
-            .order(ByteOrder.LITTLE_ENDIAN)
-            .asFloatBuffer
-            .iterator.toList
-            .map(_.toDouble))
-      }
-
-      floatTensor.foreach { v =>
-        richDataRecord.setFeatureValue(
-          twhinEmbeddingsFeature,
-          ScalaToJavaDataRecordConversions.scalaTensor2Java(ml.GeneralTensor.FloatTensor(v))
-        )
-      }
+    embedding.foreach { floatTensor =>
+      richDataRecord.setFeatureValue(
+        twhinEmbeddingsFeature,
+        ScalaToJavaDataRecordConversions.scalaTensor2Java(
+          ml.GeneralTensor
+            .FloatTensor(floatTensor)))
     }
   }
 }
 
 object TwhinEmbeddingsFeatures {
   val TwhinAuthorFollowEmbeddingsFeature: Feature.Tensor = new Feature.Tensor(
-    "original_author.timelines.twhin_author_follow_embeddings.twhin_author_follow_embeddings",
+    "original_author.twhin.tw_hi_n.author_follow_as_float_tensor",
     DataType.FLOAT
   )
 
   val TwhinUserEngagementEmbeddingsFeature: Feature.Tensor = new Feature.Tensor(
-    "user.timelines.twhin_user_engagement_embeddings.twhin_user_engagement_embeddings",
+    "user.twhin.tw_hi_n.user_engagement_as_float_tensor",
     DataType.FLOAT
   )
 
   val TwhinUserFollowEmbeddingsFeature: Feature.Tensor = new Feature.Tensor(
-    "user.timelines.twhin_user_follow_embeddings.twhin_user_follow_embeddings",
+    "user.twhin.tw_hi_n.user_follow_as_float_tensor",
     DataType.FLOAT
   )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala
index a1186e2f40..00dee12094 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/AggregateFeatureInfo.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.ml.api.FeatureContext
 import com.twitter.timelines.data_processing.ml_util.aggregation_framework.AggregateGroup
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala
index cbda354379..5fb5992403 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/AggregateFeaturesToDecodeWithMetadata.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.finagle.stats.NullStatsReceiver
 import com.twitter.timelinemixer.injection.repository.uss.VersionedAggregateFeaturesDecoder
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BUILD.bazel
similarity index 90%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BUILD.bazel
index d9c353df18..10f6964092 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BUILD.bazel
@@ -6,14 +6,16 @@ scala_library(
     dependencies = [
         "finatra/inject/inject-core/src/main/scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/offline_aggregates",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/offline_aggregates",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/datarecord",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap/datarecord",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/feature_hydrator",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/util",
         "servo/repo/src/main/scala",
         "src/java/com/twitter/ml/api:api-base",
         "src/scala/com/twitter/timelines/prediction/adapters/request_context",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala
similarity index 97%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala
index b58f23d2ee..c81ed50548 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BaseAggregateQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala
similarity index 88%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala
index fde5ab909e..43cfa967b2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/BaseEdgeAggregateFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.FeatureContext
@@ -12,6 +12,7 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.data_processing.ml_util.aggregation_framework.AggregateGroup
 import com.twitter.timelines.data_processing.ml_util.aggregation_framework.AggregateType.AggregateType
@@ -44,8 +45,7 @@ trait BaseEdgeAggregateFeatureHydrator
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offload {
     val featureMapBuilders: Seq[FeatureMapBuilder] =
       for (_ <- candidates) yield FeatureMapBuilder()
 
@@ -56,7 +56,7 @@ trait BaseEdgeAggregateFeatureHydrator
       }
     }
 
-    Stitch.value(featureMapBuilders.map(_.build()))
+    featureMapBuilders.map(_.build())
   }
 
   private def hydrateAggregateFeature(
@@ -74,17 +74,17 @@ trait BaseEdgeAggregateFeatureHydrator
       .getOrElse(AggregateFeaturesToDecodeWithMetadata.empty)
 
     // Decode the DenseCompactDataRecords into DataRecords for each required secondary id.
-    val decoded: Map[Long, DataRecord] =
-      Utils.selectAndTransform(
-        secondaryIds.flatten.distinct,
-        featuresToDecodeWithMetadata.toDataRecord,
-        extractMapFn(featuresToDecodeWithMetadata))
+    val decoded: Map[Long, DataRecord] = Utils.selectAndTransform(
+      secondaryIds.flatten.distinct,
+      featuresToDecodeWithMetadata.toDataRecord,
+      extractMapFn(featuresToDecodeWithMetadata)
+    )
 
     // Remove unnecessary features in-place. This is safe because the underlying DataRecords
     // are unique and have just been generated in the previous step.
     decoded.values.foreach(Utils.filterDataRecord(_, featureContext))
 
-    // Put features into the FeatureMapBuilder's
+    // Put features into the FeatureMapBuilders
     secondaryIds.map { ids =>
       val dataRecords = ids.flatMap(decoded.get)
       feature.adapter.adaptToDataRecord(dataRecords)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala
similarity index 79%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala
index d637b3b3dc..f769bb980c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/EdgeAggregateFeatures.scala
@@ -1,11 +1,11 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.TSPInferredTopicFeature
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.offline_aggregates.PassThroughAdapter
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.offline_aggregates.SparseAggregatesToDenseAdapter
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.offline_aggregates.PassThroughAdapter
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.offline_aggregates.SparseAggregatesToDenseAdapter
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.MentionUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.MentionScreenNameFeature
 import com.twitter.home_mixer.model.HomeFeatures.TopicIdSocialContextFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TSPInferredTopicFeature
 import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.timelines.data_processing.ml_util.aggregation_framework.AggregateType
 import com.twitter.timelines.prediction.common.aggregates.TimelinesAggregationConfig
@@ -28,8 +28,7 @@ object EdgeAggregateFeatures {
 
   object UserOriginalAuthorAggregateFeature
       extends BaseEdgeAggregateFeature(
-        aggregateGroups = Set(
-          TimelinesAggregationConfig.userOriginalAuthorReciprocalEngagementAggregates),
+        aggregateGroups = Set(TimelinesAggregationConfig.userOriginalAuthorAggregatesV1),
         aggregateType = AggregateType.UserOriginalAuthor,
         extractMapFn = _.userOriginalAuthorAggregates,
         adapter = PassThroughAdapter,
@@ -57,13 +56,25 @@ object EdgeAggregateFeatures {
         extractMapFn = _.userMentionAggregates,
         adapter = new SparseAggregatesToDenseAdapter(CombineCountPolicies.MentionCountsPolicy),
         getSecondaryKeysFn = candidate =>
-          candidate.features.getOrElse(MentionUserIdFeature, Seq.empty)
+          candidate.features.getOrElse(MentionScreenNameFeature, Seq.empty).map(_.hashCode.toLong)
       )
 
   object UserInferredTopicAggregateFeature
       extends BaseEdgeAggregateFeature(
         aggregateGroups = Set(
           TimelinesAggregationConfig.userInferredTopicAggregates,
+        ),
+        aggregateType = AggregateType.UserInferredTopic,
+        extractMapFn = _.userInferredTopicAggregates,
+        adapter = new SparseAggregatesToDenseAdapter(
+          CombineCountPolicies.UserInferredTopicCountsPolicy),
+        getSecondaryKeysFn = candidate =>
+          candidate.features.getOrElse(TSPInferredTopicFeature, Map.empty[Long, Double]).keys.toSeq
+      )
+
+  object UserInferredTopicAggregateV2Feature
+      extends BaseEdgeAggregateFeature(
+        aggregateGroups = Set(
           TimelinesAggregationConfig.userInferredTopicAggregatesV2
         ),
         aggregateType = AggregateType.UserInferredTopic,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala
similarity index 94%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala
index aa75e2c05e..f18cceaca2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/PartAAggregateQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TimelineAggregateMetadataRepository
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TimelineAggregatePartARepository
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala
index 4a00c7ca49..fa03361659 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/PartBAggregateQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TimelineAggregateMetadataRepository
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TimelineAggregatePartBRepository
@@ -58,7 +58,7 @@ class PartBAggregateQueryFeatureHydrator @Inject() (
     aggregateGroups = Set(
       TimelinesAggregationConfig.userAggregatesV2,
       TimelinesAggregationConfig.userAggregatesV5Continuous,
-      TimelinesAggregationConfig.userReciprocalEngagementAggregates,
+      TimelinesAggregationConfig.userAggregatesV6,
       TimelinesAggregationConfig.twitterWideUserAggregates,
     ),
     aggregateType = AggregateType.User
@@ -104,7 +104,7 @@ class PartBAggregateQueryFeatureHydrator @Inject() (
             Option(featuresWithMetadata.userRequestHourAggregates.get(hourOfDay))
               .map(featuresWithMetadata.toDataRecord)
           val userRequestDowAggregatesDr =
-            Option(featuresWithMetadata.userRequestHourAggregates.get(dayOfWeek))
+            Option(featuresWithMetadata.userRequestDowAggregates.get(dayOfWeek))
               .map(featuresWithMetadata.toDataRecord)
 
           dropUnknownFeatures(userAggregatesDr, userAggregateFeatureInfo.featureContext)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala
similarity index 56%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala
index c8c912b633..d9df51d5cb 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase1EdgeAggregateFeatureHydrator.scala
@@ -1,6 +1,6 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates.EdgeAggregateFeatures._
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures._
 import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -11,10 +11,9 @@ class Phase1EdgeAggregateFeatureHydrator @Inject() extends BaseEdgeAggregateFeat
   override val identifier: FeatureHydratorIdentifier =
     FeatureHydratorIdentifier("Phase1EdgeAggregate")
 
-  override val aggregateFeatures: Set[BaseEdgeAggregateFeature] =
-    Set(
-      UserAuthorAggregateFeature,
-      UserOriginalAuthorAggregateFeature,
-      UserMentionAggregateFeature
-    )
+  override val aggregateFeatures: Set[BaseEdgeAggregateFeature] = Set(
+    UserAuthorAggregateFeature,
+    UserOriginalAuthorAggregateFeature,
+    UserMentionAggregateFeature
+  )
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala
new file mode 100644
index 0000000000..cfbb0b2c9a
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Phase2EdgeAggregateFeatureHydrator.scala
@@ -0,0 +1,28 @@
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
+
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures.UserEngagerAggregateFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures.UserEngagerGoodClickAggregateFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures.UserInferredTopicAggregateFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures.UserInferredTopicAggregateV2Feature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures.UserMediaUnderstandingAnnotationAggregateFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.EdgeAggregateFeatures.UserTopicAggregateFeature
+import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class Phase2EdgeAggregateFeatureHydrator @Inject() extends BaseEdgeAggregateFeatureHydrator {
+
+  override val identifier: FeatureHydratorIdentifier =
+    FeatureHydratorIdentifier("Phase2EdgeAggregate")
+
+  override val aggregateFeatures: Set[BaseEdgeAggregateFeature] =
+    Set(
+      UserEngagerAggregateFeature,
+      UserEngagerGoodClickAggregateFeature,
+      UserInferredTopicAggregateFeature,
+      UserInferredTopicAggregateV2Feature,
+      UserTopicAggregateFeature,
+      UserMediaUnderstandingAnnotationAggregateFeature
+    )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Utils.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Utils.scala
similarity index 93%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Utils.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Utils.scala
index 45d205888a..6ae1a0f4bf 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates/Utils.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates/Utils.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates
 
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.FeatureContext
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BUILD.bazel
similarity index 93%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BUILD.bazel
index 93f042fca2..1954dd77d7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BUILD.bazel
@@ -10,6 +10,7 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/datarecord",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/util",
         "servo/repo/src/main/scala",
         "src/java/com/twitter/ml/api:api-base",
         "src/java/com/twitter/ml/api/constant",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala
similarity index 83%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala
index d892a072a6..41b565ded1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateBulkCandidateFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.Feature
@@ -8,6 +8,7 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BulkCandidateFeatureHydrator
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 
 trait BaseRealTimeAggregateBulkCandidateFeatureHydrator[K]
@@ -28,13 +29,11 @@ trait BaseRealTimeAggregateBulkCandidateFeatureHydrator[K]
   override def apply(
     query: PipelineQuery,
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
+  ): Stitch[Seq[FeatureMap]] = OffloadFuturePools.offloadFuture {
     val possiblyKeys = keysFromQueryAndCandidates(query, candidates)
     fetchAndConstructDataRecords(possiblyKeys).map { dataRecords =>
       dataRecords.map { dataRecord =>
-        FeatureMapBuilder()
-          .add(outputFeature, dataRecord)
-          .build()
+        FeatureMapBuilder().add(outputFeature, dataRecord).build()
       }
     }
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala
similarity index 84%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala
index 772e0bb927..8f5b17d643 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealTimeAggregateQueryFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
@@ -6,6 +6,7 @@ import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.util.OffloadFuturePools
 import com.twitter.stitch.Stitch
 
 trait BaseRealTimeAggregateQueryFeatureHydrator[K]
@@ -24,7 +25,7 @@ trait BaseRealTimeAggregateQueryFeatureHydrator[K]
 
   override def hydrate(
     query: PipelineQuery
-  ): Stitch[FeatureMap] = {
+  ): Stitch[FeatureMap] = OffloadFuturePools.offloadFuture {
     val possiblyKeys = keysFromQueryAndCandidates(query)
     fetchAndConstructDataRecords(Seq(possiblyKeys)).map { dataRecords =>
       FeatureMapBuilder()
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala
similarity index 68%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala
index 004312f2fc..f97820be09 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/BaseRealtimeAggregateHydrator.scala
@@ -1,21 +1,22 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
-import com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates.BaseRealtimeAggregateHydrator._
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates.BaseRealtimeAggregateHydrator._
+import com.twitter.home_mixer.util.DataRecordUtil
 import com.twitter.home_mixer.util.ObservedKeyValueResultHandler
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.DataRecordMerger
 import com.twitter.ml.api.FeatureContext
+import com.twitter.ml.api.constant.SharedFeatures
 import com.twitter.ml.api.util.SRichDataRecord
 import com.twitter.ml.api.{Feature => MLApiFeature}
 import com.twitter.servo.cache.ReadCache
 import com.twitter.servo.keyvalue.KeyValueResult
-import com.twitter.stitch.Stitch
 import com.twitter.timelines.data_processing.ml_util.aggregation_framework.AggregateGroup
 import com.twitter.util.Future
 import com.twitter.util.Time
 import com.twitter.util.Try
-import scala.collection.JavaConverters._
 import java.lang.{Double => JDouble}
+import scala.collection.JavaConverters._
 
 trait BaseRealtimeAggregateHydrator[K] extends ObservedKeyValueResultHandler {
 
@@ -29,7 +30,9 @@ trait BaseRealtimeAggregateHydrator[K] extends ObservedKeyValueResultHandler {
 
   private lazy val featureContexts: Seq[FeatureContext] = typedAggregateGroupsList.map {
     typedAggregateGroups =>
-      new FeatureContext(typedAggregateGroups.flatMap(_.allOutputFeatures).asJava)
+      new FeatureContext(
+        (SharedFeatures.TIMESTAMP +: typedAggregateGroups.flatMap(_.allOutputFeatures)).asJava
+      )
   }
 
   private lazy val aggregateFeaturesRenameMap: Map[MLApiFeature[_], MLApiFeature[_]] = {
@@ -72,7 +75,7 @@ trait BaseRealtimeAggregateHydrator[K] extends ObservedKeyValueResultHandler {
         featureContexts.zip(renamedFeatureContexts).zip(decays).foreach {
           case ((featureContext, renamedFeatureContext), decay) =>
             val decayedDr = applyDecay(dr, featureContext, decay)
-            val renamedDr = applyRename(
+            val renamedDr = DataRecordUtil.applyRename(
               dataRecord = decayedDr,
               featureContext,
               renamedFeatureContext,
@@ -80,33 +83,36 @@ trait BaseRealtimeAggregateHydrator[K] extends ObservedKeyValueResultHandler {
             drMerger.merge(newDr, renamedDr)
         }
         newDr
-      case _ =>
-        new DataRecord
+      case _ => new DataRecord
     }
   }
 
-  def fetchAndConstructDataRecords(possiblyKeys: Seq[Option[K]]): Stitch[Seq[Try[DataRecord]]] = {
-    Stitch.callFuture {
-      val keys = possiblyKeys.flatten
+  def fetchAndConstructDataRecords(possiblyKeys: Seq[Option[K]]): Future[Seq[Try[DataRecord]]] = {
+    val keys = possiblyKeys.flatten
 
-      val response: Future[KeyValueResult[K, DataRecord]] =
-        if (keys.isEmpty) {
-          Future.value(KeyValueResult.empty)
-        } else {
-          client.get(keys)
-        }
+    val response: Future[KeyValueResult[K, DataRecord]] =
+      if (keys.isEmpty) Future.value(KeyValueResult.empty)
+      else {
+        val batchResponses = keys
+          .grouped(RequestBatchSize)
+          .map(keyGroup => client.get(keyGroup))
+          .toSeq
 
-      response.map { result =>
-        possiblyKeys.map { possiblyKey =>
-          val value = observedGet(key = possiblyKey, keyValueResult = result)
-          postTransformer(value)
-        }
+        Future.collect(batchResponses).map(_.reduce(_ ++ _))
+      }
+
+    response.map { result =>
+      possiblyKeys.map { possiblyKey =>
+        val value = observedGet(key = possiblyKey, keyValueResult = result)
+        postTransformer(value)
       }
     }
   }
 }
 
 object BaseRealtimeAggregateHydrator {
+  private val RequestBatchSize = 5
+
   type TimeDecay = scala.Function2[com.twitter.ml.api.DataRecord, scala.Long, scala.Unit]
 
   private def applyDecay(
@@ -129,26 +135,4 @@ object BaseRealtimeAggregateHydrator {
     decay(resultDr, time)
     resultDr
   }
-
-  private def applyRename(
-    dataRecord: DataRecord,
-    featureContext: FeatureContext,
-    renamedFeatureContext: FeatureContext,
-    featureRenamingMap: Map[MLApiFeature[_], MLApiFeature[_]]
-  ): DataRecord = {
-    val richFullDr = new SRichDataRecord(dataRecord, featureContext)
-    val richNewDr = new SRichDataRecord(new DataRecord, renamedFeatureContext)
-    val featureIterator = featureContext.iterator()
-    featureIterator.forEachRemaining { feature =>
-      if (richFullDr.hasFeature(feature)) {
-        val renamedFeature = featureRenamingMap.getOrElse(feature, feature)
-
-        val typedFeature = feature.asInstanceOf[MLApiFeature[JDouble]]
-        val typedRenamedFeature = renamedFeature.asInstanceOf[MLApiFeature[JDouble]]
-
-        richNewDr.setFeatureValue(typedRenamedFeature, richFullDr.getFeatureValue(typedFeature))
-      }
-    }
-    richNewDr.getRecord
-  }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala
index 57463dd79e..990fe1ca48 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala
similarity index 95%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala
index 110a826353..dbecd12c68 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/RealTimeAggregateTimeDecay.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.twitter.ml.api.DataRecord
 import com.twitter.ml.api.constant.SharedFeatures.TIMESTAMP
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala
index d8ffad3112..13b2a0d2d7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TopicCountryEngagementRealTimeAggregateFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala
similarity index 79%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala
index 6d71f45b31..12a2e1c479 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TopicEngagementRealTimeAggregateFeatureHydrator.scala
@@ -1,6 +1,5 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
-import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.model.HomeFeatures.TopicIdSocialContextFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TopicEngagementCache
@@ -15,6 +14,7 @@ import com.twitter.servo.cache.ReadCache
 import com.twitter.timelines.data_processing.ml_util.aggregation_framework.AggregateGroup
 import com.twitter.timelines.prediction.common.aggregates.real_time.TimelinesOnlineAggregationFeaturesOnlyConfig._
 import javax.inject.Inject
+import javax.inject.Named
 import javax.inject.Singleton
 
 object TopicEngagementRealTimeAggregateFeature
@@ -36,7 +36,14 @@ class TopicEngagementRealTimeAggregateFeatureHydrator @Inject() (
     TopicEngagementRealTimeAggregateFeature
 
   override val aggregateGroups: Seq[AggregateGroup] = Seq(
-    topicEngagementRealTimeAggregatesProd
+    topicEngagementRealTimeAggregatesProd,
+    topicEngagement24HourRealTimeAggregatesProd,
+    topicShareEngagementsRealTimeAggregates
+  )
+
+  override val aggregateGroupToPrefix: Map[AggregateGroup, String] = Map(
+    topicEngagement24HourRealTimeAggregatesProd -> "topic.timelines.topic_engagement_24_hour_real_time_aggregates.",
+    topicShareEngagementsRealTimeAggregates -> "topic.timelines.topic_share_engagements_real_time_aggregates."
   )
 
   override def keysFromQueryAndCandidates(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala
similarity index 80%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala
index 4656b1945f..cd9e34a3e1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TweetCountryEngagementRealTimeAggregateFeatureHydrator.scala
@@ -1,8 +1,9 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TweetCountryEngagementCache
+import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
@@ -35,11 +36,13 @@ class TweetCountryEngagementRealTimeAggregateFeatureHydrator @Inject() (
     TweetCountryEngagementRealTimeAggregateFeature
 
   override val aggregateGroups: Seq[AggregateGroup] = Seq(
-    tweetCountryRealTimeAggregates
+    tweetCountryRealTimeAggregates,
+    tweetCountryPrivateEngagementsRealTimeAggregates
   )
 
   override val aggregateGroupToPrefix: Map[AggregateGroup, String] = Map(
-    tweetCountryRealTimeAggregates -> "tweet-country_code.timelines.tweet_country_engagement_real_time_aggregates."
+    tweetCountryRealTimeAggregates -> "tweet-country_code.timelines.tweet_country_engagement_real_time_aggregates.",
+    tweetCountryPrivateEngagementsRealTimeAggregates -> "tweet-country_code.timelines.tweet_country_private_engagement_real_time_aggregates."
   )
 
   override def keysFromQueryAndCandidates(
@@ -48,8 +51,8 @@ class TweetCountryEngagementRealTimeAggregateFeatureHydrator @Inject() (
   ): Seq[Option[(Long, String)]] = {
     val countryCode = query.clientContext.countryCode
     candidates.map { candidate =>
-      val tweetId = candidate.candidate.id
-      countryCode.map((tweetId, _))
+      val originalTweetId = CandidatesUtil.getOriginalTweetId(candidate)
+      countryCode.map((originalTweetId, _))
     }
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala
similarity index 69%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala
index 5a607dec26..99bae79d97 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TweetEngagementRealTimeAggregateFeatureHydrator.scala
@@ -1,8 +1,9 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.TweetEngagementCache
+import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
@@ -36,7 +37,18 @@ class TweetEngagementRealTimeAggregateFeatureHydrator @Inject() (
 
   override val aggregateGroups: Seq[AggregateGroup] = Seq(
     tweetEngagement30MinuteCountsProd,
-    tweetEngagementTotalCountsProd
+    tweetEngagementTotalCountsProd,
+    tweetEngagementUserStateRealTimeAggregatesProd,
+    tweetNegativeEngagementUserStateRealTimeAggregates,
+    tweetNegativeEngagement6HourCounts,
+    tweetNegativeEngagementTotalCounts,
+    tweetShareEngagementsRealTimeAggregates,
+    tweetBCEDwellEngagementsRealTimeAggregates
+  )
+
+  override val aggregateGroupToPrefix: Map[AggregateGroup, String] = Map(
+    tweetShareEngagementsRealTimeAggregates -> "original_tweet.timelines.tweet_share_engagements_real_time_aggregates.",
+    tweetBCEDwellEngagementsRealTimeAggregates -> "original_tweet.timelines.tweet_bce_dwell_engagements_real_time_aggregates."
   )
 
   override def keysFromQueryAndCandidates(
@@ -44,6 +56,6 @@ class TweetEngagementRealTimeAggregateFeatureHydrator @Inject() (
     candidates: Seq[CandidateWithFeatures[TweetCandidate]]
   ): Seq[Option[Long]] = {
     candidates
-      .map(candidate => Some(candidate.candidate.id))
+      .map(candidate => Some(CandidatesUtil.getOriginalTweetId(candidate)))
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala
index e6d7b86f1a..b5f3af2a9f 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/TwitterListEngagementRealTimeAggregateFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala
similarity index 90%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala
index 9671c7bf80..2c13fc0f68 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/UserAuthorEngagementRealTimeAggregateFeatureHydrator.scala
@@ -1,9 +1,9 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.UserAuthorEngagementCache
+import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.ml.api.DataRecord
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
@@ -51,10 +51,8 @@ class UserAuthorEngagementRealTimeAggregateFeatureHydrator @Inject() (
   ): Seq[Option[(Long, Long)]] = {
     val userId = query.getRequiredUserId
     candidates.map { candidate =>
-      candidate.features
-        .getTry(AuthorIdFeature)
-        .toOption
-        .flatten
+      CandidatesUtil
+        .getOriginalAuthorId(candidate.features)
         .map((userId, _))
     }
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala
similarity index 92%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala
index 7526f75dfd..cc05b52aa3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates/UserEngagementRealTimeAggregatesFeatureHydrator.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates
+package com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates
 
 import com.google.inject.name.Named
 import com.twitter.finagle.stats.StatsReceiver
@@ -43,7 +43,7 @@ class UserEngagementRealTimeAggregatesFeatureHydrator @Inject() (
   )
 
   override val aggregateGroupToPrefix: Map[AggregateGroup, String] = Map(
-    userEngagementRealTimeAggregatesProd -> "user.timelines.user_share_engagements_real_time_aggregates.",
+    userShareEngagementsRealTimeAggregates -> "user.timelines.user_share_engagements_real_time_aggregates.",
     userBCEDwellEngagementsRealTimeAggregates -> "user.timelines.user_bce_dwell_engagements_real_time_aggregates.",
     userEngagement48HourRealTimeAggregatesProd -> "user.timelines.user_engagement_48_hour_real_time_aggregates.",
     userNegativeEngagementAuthorUserState72HourRealTimeAggregates -> "user.timelines.user_negative_engagement_author_user_state_72_hour_real_time_aggregates.",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/BUILD.bazel
new file mode 100644
index 0000000000..07a2e7cb39
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/BUILD.bazel
@@ -0,0 +1,14 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/filter",
+        "stitch/stitch-core",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/DuplicateConversationTweetsFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/DuplicateConversationTweetsFilter.scala
new file mode 100644
index 0000000000..adc11d2558
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/DuplicateConversationTweetsFilter.scala
@@ -0,0 +1,37 @@
+package com.twitter.home_mixer.product.scored_tweets.filter
+
+import com.twitter.home_mixer.model.HomeFeatures.AncestorsFeature
+import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.filter.FilterResult
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+
+/**
+ * Remove any candidate that is in the ancestor list of any reply, including retweets of ancestors.
+ *
+ * E.g. if B replied to A and D was a retweet of A, we would prefer to drop D since otherwise
+ * we may end up serving the same tweet twice in the timeline (e.g. serving both A->B and D).
+ */
+object DuplicateConversationTweetsFilter extends Filter[PipelineQuery, TweetCandidate] {
+
+  override val identifier: FilterIdentifier = FilterIdentifier("DuplicateConversationTweets")
+
+  override def apply(
+    query: PipelineQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[FilterResult[TweetCandidate]] = {
+    val allAncestors = candidates
+      .flatMap(_.features.getOrElse(AncestorsFeature, Seq.empty))
+      .map(_.tweetId).toSet
+
+    val (kept, removed) = candidates.partition { candidate =>
+      !allAncestors.contains(CandidatesUtil.getOriginalTweetId(candidate))
+    }
+
+    Stitch.value(FilterResult(kept = kept.map(_.candidate), removed = removed.map(_.candidate)))
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/OutOfNetworkCompetitorFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/OutOfNetworkCompetitorFilter.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/OutOfNetworkCompetitorFilter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/OutOfNetworkCompetitorFilter.scala
index 5bbf35185e..3c60242685 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/OutOfNetworkCompetitorFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/OutOfNetworkCompetitorFilter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.filter
+package com.twitter.home_mixer.product.scored_tweets.filter
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/OutOfNetworkCompetitorURLFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/OutOfNetworkCompetitorURLFilter.scala
similarity index 90%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/OutOfNetworkCompetitorURLFilter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/OutOfNetworkCompetitorURLFilter.scala
index f7163bee32..00e2bb2006 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/OutOfNetworkCompetitorURLFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/OutOfNetworkCompetitorURLFilter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.filter
+package com.twitter.home_mixer.product.scored_tweets.filter
 
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
@@ -32,6 +32,7 @@ object OutOfNetworkCompetitorURLFilter extends Filter[PipelineQuery, TweetCandid
   ): Boolean = {
     !candidate.features.getOrElse(InNetworkFeature, true) &&
     !candidate.features.getOrElse(IsRetweetFeature, false) &&
-    candidate.features.get(TweetUrlsFeature).toSet.intersect(competitorUrls).nonEmpty
+    candidate.features
+      .getOrElse(TweetUrlsFeature, Seq.empty).toSet.intersect(competitorUrls).nonEmpty
   }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetSourceTweetRemovingFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/RetweetSourceTweetRemovingFilter.scala
similarity index 96%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetSourceTweetRemovingFilter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/RetweetSourceTweetRemovingFilter.scala
index 6dc88f02c3..5900756d39 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/RetweetSourceTweetRemovingFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/RetweetSourceTweetRemovingFilter.scala
@@ -1,4 +1,4 @@
-package com.twitter.home_mixer.functional_component.filter
+package com.twitter.home_mixer.product.scored_tweets.filter
 
 import com.twitter.home_mixer.model.HomeFeatures.EarlybirdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/SocialContextFilter.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/ScoredTweetsSocialContextFilter.scala
similarity index 65%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/SocialContextFilter.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/ScoredTweetsSocialContextFilter.scala
index 5002137c43..fef427a6de 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter/SocialContextFilter.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/filter/ScoredTweetsSocialContextFilter.scala
@@ -1,12 +1,6 @@
-package com.twitter.home_mixer.functional_component.filter
+package com.twitter.home_mixer.product.scored_tweets.filter
 
-import com.twitter.home_mixer.model.HomeFeatures.ConversationModuleFocalTweetIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
-import com.twitter.home_mixer.model.HomeFeatures.PerspectiveFilteredLikedByUserIdsFeature
-import com.twitter.home_mixer.model.HomeFeatures.SGSValidFollowedByUserIdsFeature
-import com.twitter.home_mixer.model.HomeFeatures.SGSValidLikedByUserIdsFeature
-import com.twitter.home_mixer.model.HomeFeatures.TopicContextFunctionalityTypeFeature
-import com.twitter.home_mixer.model.HomeFeatures.TopicIdSocialContextFeature
+import com.twitter.home_mixer.model.HomeFeatures._
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.functional_component.filter.Filter
@@ -15,10 +9,18 @@ import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.stitch.Stitch
+import com.twitter.timelineservice.suggests.{thriftscala => st}
 
-object SocialContextFilter extends Filter[PipelineQuery, TweetCandidate] {
+object ScoredTweetsSocialContextFilter extends Filter[PipelineQuery, TweetCandidate] {
 
-  override val identifier: FilterIdentifier = FilterIdentifier("SocialContext")
+  override val identifier: FilterIdentifier = FilterIdentifier("ScoredTweetsSocialContext")
+
+  // Tweets from candidate sources which don't need generic like/follow/topic proof
+  private val AllowedSources: Set[st.SuggestType] = Set(
+    st.SuggestType.RankedListTweet,
+    st.SuggestType.RecommendedTrendTweet,
+    st.SuggestType.MediaTweet
+  )
 
   override def apply(
     query: PipelineQuery,
@@ -27,10 +29,11 @@ object SocialContextFilter extends Filter[PipelineQuery, TweetCandidate] {
     val validTweetIds = candidates
       .filter { candidate =>
         candidate.features.getOrElse(InNetworkFeature, true) ||
+        candidate.features.getOrElse(SuggestTypeFeature, None).exists(AllowedSources.contains) ||
+        candidate.features.getOrElse(InReplyToTweetIdFeature, None).isDefined ||
         hasLikedBySocialContext(candidate.features) ||
         hasFollowedBySocialContext(candidate.features) ||
-        hasTopicSocialContext(candidate.features) ||
-        candidate.features.getOrElse(ConversationModuleFocalTweetIdFeature, None).isDefined
+        hasTopicSocialContext(candidate.features)
       }.map(_.candidate.id).toSet
 
     val (kept, removed) =
@@ -51,7 +54,8 @@ object SocialContextFilter extends Filter[PipelineQuery, TweetCandidate] {
   private def hasFollowedBySocialContext(candidateFeatures: FeatureMap): Boolean =
     candidateFeatures.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty).nonEmpty
 
-  private def hasTopicSocialContext(candidateFeatures: FeatureMap): Boolean =
+  private def hasTopicSocialContext(candidateFeatures: FeatureMap): Boolean = {
     candidateFeatures.getOrElse(TopicIdSocialContextFeature, None).isDefined &&
-      candidateFeatures.getOrElse(TopicContextFunctionalityTypeFeature, None).isDefined
+    candidateFeatures.getOrElse(TopicContextFunctionalityTypeFeature, None).isDefined
+  }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/BUILD.bazel
new file mode 100644
index 0000000000..6d3fd9b1c3
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/BUILD.bazel
@@ -0,0 +1,12 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "home-mixer/thrift/src/main/thrift:thrift-scala",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/gate",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/MinCachedTweetsGate.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinCachedTweetsGate.scala
similarity index 89%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/MinCachedTweetsGate.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinCachedTweetsGate.scala
index a160a5b5d2..bdeb33a925 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/MinCachedTweetsGate.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinCachedTweetsGate.scala
@@ -1,6 +1,6 @@
-package com.twitter.home_mixer.functional_component.gate
+package com.twitter.home_mixer.product.scored_tweets.gate
 
-import com.twitter.home_mixer.functional_component.gate.MinCachedTweetsGate.identifierSuffix
+import com.twitter.home_mixer.product.scored_tweets.gate.MinCachedTweetsGate.identifierSuffix
 import com.twitter.home_mixer.util.CachedScoredTweetsHelper
 import com.twitter.product_mixer.core.functional_component.gate.Gate
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinTimeSinceLastRequestGate.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinTimeSinceLastRequestGate.scala
new file mode 100644
index 0000000000..050f2ab674
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/gate/MinTimeSinceLastRequestGate.scala
@@ -0,0 +1,27 @@
+package com.twitter.home_mixer.product.scored_tweets.gate
+
+import com.twitter.conversions.DurationOps._
+import com.twitter.home_mixer.model.HomeFeatures.LastNonPollingTimeFeature
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.model.common.identifier.GateIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.stitch.Stitch
+
+/**
+ * Gate continues if the amount of time passed since the previous request is greater
+ * than the configured amount or if the previous request time in not available
+ */
+object MinTimeSinceLastRequestGate extends Gate[PipelineQuery] {
+
+  override val identifier: GateIdentifier = GateIdentifier("TimeSinceLastRequest")
+
+  private val MinTimeSinceLastRequest = 24.hours
+
+  override def shouldContinue(query: PipelineQuery): Stitch[Boolean] = Stitch.value {
+    query.features.exists { features =>
+      features
+        .getOrElse(LastNonPollingTimeFeature, None)
+        .forall(lnpt => (query.queryTime - lnpt) > MinTimeSinceLastRequest)
+    }
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/BUILD.bazel
index db158c23f3..4347c10934 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/BUILD.bazel
@@ -4,14 +4,10 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/tweet_tlx",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/response/urt",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/premarshaller",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseDomainMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseDomainMarshaller.scala
index 3ba4b201be..796970bec5 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseDomainMarshaller.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseDomainMarshaller.scala
@@ -1,17 +1,10 @@
 package com.twitter.home_mixer.product.scored_tweets.marshaller
 
-import com.twitter.home_mixer.model.HomeFeatures._
-import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweet
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsResponse
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.functional_component.marshaller.response.urt.metadata.TopicContextFunctionalityTypeMarshaller
 import com.twitter.product_mixer.core.functional_component.premarshaller.DomainMarshaller
 import com.twitter.product_mixer.core.model.common.identifier.DomainMarshallerIdentifier
 import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
-import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
-import com.twitter.product_mixer.core.model.common.presentation.ModuleCandidateWithDetails
 
 /**
  * Creates a domain model of the Scored Tweets product response from the set of candidates selected
@@ -25,40 +18,5 @@ object ScoredTweetsResponseDomainMarshaller
   override def apply(
     query: ScoredTweetsQuery,
     selections: Seq[CandidateWithDetails]
-  ): ScoredTweetsResponse = ScoredTweetsResponse(
-    scoredTweets = selections.collect {
-      case ItemCandidateWithDetails(candidate: TweetCandidate, _, features) =>
-        Seq(mkScoredTweet(candidate.id, features))
-      case ModuleCandidateWithDetails(candidates, _, _) =>
-        candidates.map { candidate => mkScoredTweet(candidate.candidateIdLong, candidate.features) }
-    }.flatten
-  )
-
-  private def mkScoredTweet(tweetId: Long, features: FeatureMap): ScoredTweet = {
-    val topicFunctionalityType = features
-      .getOrElse(TopicContextFunctionalityTypeFeature, None)
-      .map(TopicContextFunctionalityTypeMarshaller(_))
-
-    ScoredTweet(
-      tweetId = tweetId,
-      authorId = features.get(AuthorIdFeature).get,
-      score = features.get(ScoreFeature),
-      suggestType = features.get(SuggestTypeFeature).get,
-      sourceTweetId = features.getOrElse(SourceTweetIdFeature, None),
-      sourceUserId = features.getOrElse(SourceUserIdFeature, None),
-      quotedTweetId = features.getOrElse(QuotedTweetIdFeature, None),
-      quotedUserId = features.getOrElse(QuotedUserIdFeature, None),
-      inReplyToTweetId = features.getOrElse(InReplyToTweetIdFeature, None),
-      inReplyToUserId = features.getOrElse(InReplyToUserIdFeature, None),
-      directedAtUserId = features.getOrElse(DirectedAtUserIdFeature, None),
-      inNetwork = Some(features.getOrElse(InNetworkFeature, false)),
-      favoritedByUserIds = Some(features.getOrElse(FavoritedByUserIdsFeature, Seq.empty)),
-      followedByUserIds = Some(features.getOrElse(FollowedByUserIdsFeature, Seq.empty)),
-      topicId = features.getOrElse(TopicIdSocialContextFeature, None),
-      topicFunctionalityType = topicFunctionalityType,
-      ancestors = Some(features.getOrElse(AncestorsFeature, Seq.empty)),
-      isReadFromCache = Some(features.getOrElse(IsReadFromCacheFeature, false)),
-      streamToKafka = Some(features.getOrElse(StreamToKafkaFeature, false))
-    )
-  }
+  ): ScoredTweetsResponse = ScoredTweetsResponse(scoredTweets = selections)
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseTransportMarshaller.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseTransportMarshaller.scala
index 355f076fe0..27486768bc 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseTransportMarshaller.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/marshaller/ScoredTweetsResponseTransportMarshaller.scala
@@ -1,8 +1,11 @@
 package com.twitter.home_mixer.product.scored_tweets.marshaller
 
+import com.twitter.home_mixer.model.HomeFeatures._
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsResponse
 import com.twitter.home_mixer.{thriftscala => t}
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.functional_component.marshaller.TransportMarshaller
+import com.twitter.product_mixer.core.functional_component.marshaller.response.urt.metadata.TopicContextFunctionalityTypeMarshaller
 import com.twitter.product_mixer.core.model.common.identifier.TransportMarshallerIdentifier
 
 /**
@@ -16,28 +19,52 @@ object ScoredTweetsResponseTransportMarshaller
 
   override def apply(input: ScoredTweetsResponse): t.ScoredTweetsResponse = {
     val scoredTweets = input.scoredTweets.map { tweet =>
-      t.ScoredTweet(
-        tweetId = tweet.tweetId,
-        authorId = tweet.authorId,
-        score = tweet.score,
-        suggestType = Some(tweet.suggestType),
-        sourceTweetId = tweet.sourceTweetId,
-        sourceUserId = tweet.sourceUserId,
-        quotedTweetId = tweet.quotedTweetId,
-        quotedUserId = tweet.quotedUserId,
-        inReplyToTweetId = tweet.inReplyToTweetId,
-        inReplyToUserId = tweet.inReplyToUserId,
-        directedAtUserId = tweet.directedAtUserId,
-        inNetwork = tweet.inNetwork,
-        favoritedByUserIds = tweet.favoritedByUserIds,
-        followedByUserIds = tweet.followedByUserIds,
-        topicId = tweet.topicId,
-        topicFunctionalityType = tweet.topicFunctionalityType,
-        ancestors = tweet.ancestors,
-        isReadFromCache = tweet.isReadFromCache,
-        streamToKafka = tweet.streamToKafka
-      )
+      mkScoredTweet(tweet.candidateIdLong, tweet.features)
     }
     t.ScoredTweetsResponse(scoredTweets)
   }
+
+  private def mkScoredTweet(tweetId: Long, features: FeatureMap): t.ScoredTweet = {
+    val topicFunctionalityType = features
+      .getOrElse(TopicContextFunctionalityTypeFeature, None)
+      .map(TopicContextFunctionalityTypeMarshaller(_))
+
+    t.ScoredTweet(
+      tweetId = tweetId,
+      authorId = features.get(AuthorIdFeature).get,
+      score = features.get(ScoreFeature),
+      suggestType = features.get(SuggestTypeFeature),
+      sourceTweetId = features.getOrElse(SourceTweetIdFeature, None),
+      sourceUserId = features.getOrElse(SourceUserIdFeature, None),
+      quotedTweetId = features.getOrElse(QuotedTweetIdFeature, None),
+      quotedUserId = features.getOrElse(QuotedUserIdFeature, None),
+      inReplyToTweetId = features.getOrElse(InReplyToTweetIdFeature, None),
+      inReplyToUserId = features.getOrElse(InReplyToUserIdFeature, None),
+      directedAtUserId = features.getOrElse(DirectedAtUserIdFeature, None),
+      inNetwork = Some(features.getOrElse(InNetworkFeature, true)),
+      sgsValidLikedByUserIds = Some(features.getOrElse(SGSValidLikedByUserIdsFeature, Seq.empty)),
+      sgsValidFollowedByUserIds =
+        Some(features.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty)),
+      topicId = features.getOrElse(TopicIdSocialContextFeature, None),
+      topicFunctionalityType = topicFunctionalityType,
+      ancestors = Some(features.getOrElse(AncestorsFeature, Seq.empty)),
+      isReadFromCache = Some(features.getOrElse(IsReadFromCacheFeature, false)),
+      streamToKafka = Some(features.getOrElse(StreamToKafkaFeature, false)),
+      exclusiveConversationAuthorId =
+        features.getOrElse(ExclusiveConversationAuthorIdFeature, None),
+      authorMetadata = Some(
+        t.AuthorMetadata(
+          blueVerified = features.getOrElse(AuthorIsBlueVerifiedFeature, false),
+          goldVerified = features.getOrElse(AuthorIsGoldVerifiedFeature, false),
+          grayVerified = features.getOrElse(AuthorIsGrayVerifiedFeature, false),
+          legacyVerified = features.getOrElse(AuthorIsLegacyVerifiedFeature, false),
+          creator = features.getOrElse(AuthorIsCreatorFeature, false)
+        )),
+      lastScoredTimestampMs = None,
+      candidatePipelineIdentifier = None,
+      tweetUrls = None,
+      perspectiveFilteredLikedByUserIds =
+        Some(features.getOrElse(PerspectiveFilteredLikedByUserIdsFeature, Seq.empty)),
+    )
+  }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/BUILD.bazel
index 8fd8325cb0..6414453db8 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/BUILD.bazel
@@ -7,17 +7,11 @@ scala_library(
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/cursor",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/query/ads",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/flexible_injection_pipeline",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/quality_factor",
-        "src/thrift/com/twitter/timelinescorer/common/scoredtweetcandidate:thrift-scala",
         "src/thrift/com/twitter/timelineservice/server/internal:thrift-scala",
     ],
     exports = [
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/cursor",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/query/ads",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/flexible_injection_pipeline",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/ScoredTweetsResponse.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/ScoredTweetsResponse.scala
index 81cdc22113..e9bd7cd612 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/ScoredTweetsResponse.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model/ScoredTweetsResponse.scala
@@ -1,29 +1,6 @@
 package com.twitter.home_mixer.product.scored_tweets.model
 
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
 import com.twitter.product_mixer.core.model.marshalling.HasMarshalling
-import com.twitter.timelineservice.suggests.{thriftscala => st}
-import com.twitter.tweetconvosvc.tweet_ancestor.{thriftscala => ta}
-import com.twitter.timelines.render.{thriftscala => urt}
 
-case class ScoredTweet(
-  tweetId: Long,
-  authorId: Long,
-  score: Option[Double],
-  suggestType: st.SuggestType,
-  sourceTweetId: Option[Long],
-  sourceUserId: Option[Long],
-  quotedTweetId: Option[Long],
-  quotedUserId: Option[Long],
-  inReplyToTweetId: Option[Long],
-  inReplyToUserId: Option[Long],
-  directedAtUserId: Option[Long],
-  inNetwork: Option[Boolean],
-  favoritedByUserIds: Option[Seq[Long]],
-  followedByUserIds: Option[Seq[Long]],
-  topicId: Option[Long],
-  topicFunctionalityType: Option[urt.TopicContextFunctionalityType],
-  ancestors: Option[Seq[ta.TweetAncestor]],
-  isReadFromCache: Option[Boolean],
-  streamToKafka: Option[Boolean])
-
-case class ScoredTweetsResponse(scoredTweets: Seq[ScoredTweet]) extends HasMarshalling
+case class ScoredTweetsResponse(scoredTweets: Seq[CandidateWithDetails]) extends HasMarshalling
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/BUILD.bazel
index d402ecc186..065841642c 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/BUILD.bazel
@@ -4,12 +4,8 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/javax/inject:javax.inject",
         "configapi/configapi-core/src/main/scala/com/twitter/timelines/configapi",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param/decider",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
-        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/timelineranker",
-        "util/util-core/src/main/scala/com/twitter/conversions",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParam.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParam.scala
index 261be593a0..9720b9344e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParam.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParam.scala
@@ -12,38 +12,93 @@ import com.twitter.util.Duration
 object ScoredTweetsParam {
   val SupportedClientFSName = "scored_tweets_supported_client"
 
-  object CrMixerSource {
-    object EnableCandidatePipelineParam
-        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsCrMixerCandidatePipeline)
-  }
-
-  object FrsTweetSource {
-    object EnableCandidatePipelineParam
-        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsFrsCandidatePipeline)
-  }
-
-  object InNetworkSource {
-    object EnableCandidatePipelineParam
+  object CandidatePipeline {
+    object EnableInNetworkParam
         extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsInNetworkCandidatePipeline)
+
+    object EnableTweetMixerParam
+        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsTweetMixerCandidatePipeline)
+
+    object EnableUtegParam
+        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsUtegCandidatePipeline)
+
+    object EnableFrsParam
+        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsFrsCandidatePipeline)
+
+    object EnableListsParam
+        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsListsCandidatePipeline)
+
+    object EnablePopularVideosParam
+        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsPopularVideosCandidatePipeline)
+
+    object EnableBackfillParam
+        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsBackfillCandidatePipeline)
   }
 
+  object EnableBackfillCandidatePipelineParam
+      extends FSParam[Boolean](
+        name = "scored_tweets_enable_backfill_candidate_pipeline",
+        default = true
+      )
+
   object QualityFactor {
-    object MaxTweetsToScoreParam
+    object InNetworkMaxTweetsToScoreParam
         extends FSBoundedParam[Int](
-          name = "scored_tweets_quality_factor_max_tweets_to_score",
-          default = 1100,
+          name = "scored_tweets_quality_factor_earlybird_max_tweets_to_score",
+          default = 500,
           min = 0,
           max = 10000
         )
 
-    object CrMixerMaxTweetsToScoreParam
+    object UtegMaxTweetsToScoreParam
         extends FSBoundedParam[Int](
-          name = "scored_tweets_quality_factor_cr_mixer_max_tweets_to_score",
+          name = "scored_tweets_quality_factor_uteg_max_tweets_to_score",
+          default = 500,
+          min = 0,
+          max = 10000
+        )
+
+    object FrsMaxTweetsToScoreParam
+        extends FSBoundedParam[Int](
+          name = "scored_tweets_quality_factor_frs_max_tweets_to_score",
+          default = 500,
+          min = 0,
+          max = 10000
+        )
+
+    object TweetMixerMaxTweetsToScoreParam
+        extends FSBoundedParam[Int](
+          name = "scored_tweets_quality_factor_tweet_mixer_max_tweets_to_score",
+          default = 500,
+          min = 0,
+          max = 10000
+        )
+
+    object ListsMaxTweetsToScoreParam
+        extends FSBoundedParam[Int](
+          name = "scored_tweets_quality_factor_lists_max_tweets_to_score",
+          default = 500,
+          min = 0,
+          max = 100
+        )
+
+    object PopularVideosMaxTweetsToScoreParam
+        extends FSBoundedParam[Int](
+          name = "scored_tweets_quality_factor_popular_videos_max_tweets_to_score",
+          default = 40,
+          min = 0,
+          max = 10000
+        )
+
+    object BackfillMaxTweetsToScoreParam
+        extends FSBoundedParam[Int](
+          name = "scored_tweets_quality_factor_backfill_max_tweets_to_score",
           default = 500,
           min = 0,
           max = 10000
         )
   }
+
   object ServerMaxResultsParam
       extends FSBoundedParam[Int](
         name = "scored_tweets_server_max_results",
@@ -51,10 +106,22 @@ object ScoredTweetsParam {
         min = 1,
         max = 500
       )
-  object UtegSource {
-    object EnableCandidatePipelineParam
-        extends BooleanDeciderParam(DeciderKey.EnableScoredTweetsUtegCandidatePipeline)
-  }
+
+  object MaxInNetworkResultsParam
+      extends FSBoundedParam[Int](
+        name = "scored_tweets_max_in_network_results",
+        default = 60,
+        min = 1,
+        max = 500
+      )
+
+  object MaxOutOfNetworkResultsParam
+      extends FSBoundedParam[Int](
+        name = "scored_tweets_max_out_of_network_results",
+        default = 60,
+        min = 1,
+        max = 500
+      )
 
   object CachedScoredTweets {
     object TTLParam
@@ -147,6 +214,46 @@ object ScoredTweetsParam {
             max = 1000000.0
           )
 
+      object TweetDetailDwellParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_tweet_detail_dwell",
+            default = 0.0,
+            min = 0.0,
+            max = 100.0
+          )
+
+      object ProfileDwelledParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_profile_dwelled",
+            default = 0.0,
+            min = 0.0,
+            max = 100.0
+          )
+
+      object BookmarkParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_bookmark",
+            default = 0.0,
+            min = 0.0,
+            max = 100.0
+          )
+
+      object ShareParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_share",
+            default = 0.0,
+            min = 0.0,
+            max = 100.0
+          )
+
+      object ShareMenuClickParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_share_menu_click",
+            default = 0.0,
+            min = 0.0,
+            max = 100.0
+          )
+
       object NegativeFeedbackV2Param
           extends FSBoundedParam[Double](
             name = "scored_tweets_model_weight_negative_feedback_v2",
@@ -162,6 +269,22 @@ object ScoredTweetsParam {
             min = -20000.0,
             max = 0.0
           )
+
+      object WeakNegativeFeedbackParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_weak_negative_feedback",
+            default = 0.0,
+            min = -1000.0,
+            max = 0.0
+          )
+
+      object StrongNegativeFeedbackParam
+          extends FSBoundedParam[Double](
+            name = "scored_tweets_model_weight_strong_negative_feedback",
+            default = 0.0,
+            min = -1000.0,
+            max = 0.0
+          )
     }
   }
 
@@ -173,4 +296,66 @@ object ScoredTweetsParam {
 
   object CompetitorURLSeqParam
       extends FSParam[Seq[String]](name = "scored_tweets_competitor_url_list", default = Seq.empty)
+
+  object BlueVerifiedAuthorInNetworkMultiplierParam
+      extends FSBoundedParam[Double](
+        name = "scored_tweets_blue_verified_author_in_network_multiplier",
+        default = 4.0,
+        min = 0.0,
+        max = 100.0
+      )
+
+  object BlueVerifiedAuthorOutOfNetworkMultiplierParam
+      extends FSBoundedParam[Double](
+        name = "scored_tweets_blue_verified_author_out_of_network_multiplier",
+        default = 2.0,
+        min = 0.0,
+        max = 100.0
+      )
+
+  object CreatorInNetworkMultiplierParam
+      extends FSBoundedParam[Double](
+        name = "scored_tweets_creator_in_network_multiplier",
+        default = 1.1,
+        min = 0.0,
+        max = 100.0
+      )
+
+  object CreatorOutOfNetworkMultiplierParam
+      extends FSBoundedParam[Double](
+        name = "scored_tweets_creator_out_of_network_multiplier",
+        default = 1.3,
+        min = 0.0,
+        max = 100.0
+      )
+
+  object OutOfNetworkScaleFactorParam
+      extends FSBoundedParam[Double](
+        name = "scored_tweets_out_of_network_scale_factor",
+        default = 1.0,
+        min = 0.0,
+        max = 100.0
+      )
+
+  object EnableScribeScoredCandidatesParam
+      extends FSParam[Boolean](name = "scored_tweets_enable_scribing", default = false)
+
+  object EarlybirdTensorflowModel {
+
+    object InNetworkParam
+        extends FSParam[String](
+          name = "scored_tweets_in_network_earlybird_tensorflow_model",
+          default = "timelines_recap_replica")
+
+    object FrsParam
+        extends FSParam[String](
+          name = "scored_tweets_frs_earlybird_tensorflow_model",
+          default = "timelines_rectweet_replica")
+
+    object UtegParam
+        extends FSParam[String](
+          name = "scored_tweets_uteg_earlybird_tensorflow_model",
+          default = "timelines_rectweet_replica")
+  }
+
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParamConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParamConfig.scala
index ae82db20fd..10b9de49da 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParamConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param/ScoredTweetsParamConfig.scala
@@ -4,7 +4,6 @@ import com.twitter.home_mixer.param.decider.DeciderKey
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam._
 import com.twitter.product_mixer.core.product.ProductParamConfig
 import com.twitter.servo.decider.DeciderKeyName
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -14,17 +13,32 @@ class ScoredTweetsParamConfig @Inject() () extends ProductParamConfig {
   override val supportedClientFSName: String = SupportedClientFSName
 
   override val booleanDeciderOverrides = Seq(
-    CrMixerSource.EnableCandidatePipelineParam,
-    FrsTweetSource.EnableCandidatePipelineParam,
-    InNetworkSource.EnableCandidatePipelineParam,
-    UtegSource.EnableCandidatePipelineParam,
+    CandidatePipeline.EnableBackfillParam,
+    CandidatePipeline.EnableTweetMixerParam,
+    CandidatePipeline.EnableFrsParam,
+    CandidatePipeline.EnableInNetworkParam,
+    CandidatePipeline.EnableListsParam,
+    CandidatePipeline.EnablePopularVideosParam,
+    CandidatePipeline.EnableUtegParam,
     ScoredTweetsParam.EnableSimClustersSimilarityFeatureHydrationDeciderParam
   )
 
+  override val booleanFSOverrides = Seq(
+    EnableBackfillCandidatePipelineParam,
+    EnableScribeScoredCandidatesParam
+  )
+
   override val boundedIntFSOverrides = Seq(
     CachedScoredTweets.MinCachedTweetsParam,
-    QualityFactor.CrMixerMaxTweetsToScoreParam,
-    QualityFactor.MaxTweetsToScoreParam,
+    MaxInNetworkResultsParam,
+    MaxOutOfNetworkResultsParam,
+    QualityFactor.BackfillMaxTweetsToScoreParam,
+    QualityFactor.TweetMixerMaxTweetsToScoreParam,
+    QualityFactor.FrsMaxTweetsToScoreParam,
+    QualityFactor.InNetworkMaxTweetsToScoreParam,
+    QualityFactor.ListsMaxTweetsToScoreParam,
+    QualityFactor.PopularVideosMaxTweetsToScoreParam,
+    QualityFactor.UtegMaxTweetsToScoreParam,
     ServerMaxResultsParam
   )
 
@@ -33,10 +47,19 @@ class ScoredTweetsParamConfig @Inject() () extends ProductParamConfig {
   )
 
   override val stringFSOverrides = Seq(
-    Scoring.HomeModelParam
+    Scoring.HomeModelParam,
+    EarlybirdTensorflowModel.InNetworkParam,
+    EarlybirdTensorflowModel.FrsParam,
+    EarlybirdTensorflowModel.UtegParam
   )
 
   override val boundedDoubleFSOverrides = Seq(
+    BlueVerifiedAuthorInNetworkMultiplierParam,
+    BlueVerifiedAuthorOutOfNetworkMultiplierParam,
+    CreatorInNetworkMultiplierParam,
+    CreatorOutOfNetworkMultiplierParam,
+    OutOfNetworkScaleFactorParam,
+    // Model Weights
     Scoring.ModelWeights.FavParam,
     Scoring.ModelWeights.ReplyParam,
     Scoring.ModelWeights.RetweetParam,
@@ -47,10 +70,17 @@ class ScoredTweetsParamConfig @Inject() () extends ProductParamConfig {
     Scoring.ModelWeights.VideoPlayback50Param,
     Scoring.ModelWeights.ReportParam,
     Scoring.ModelWeights.NegativeFeedbackV2Param,
+    Scoring.ModelWeights.TweetDetailDwellParam,
+    Scoring.ModelWeights.ProfileDwelledParam,
+    Scoring.ModelWeights.BookmarkParam,
+    Scoring.ModelWeights.ShareParam,
+    Scoring.ModelWeights.ShareMenuClickParam,
+    Scoring.ModelWeights.StrongNegativeFeedbackParam,
+    Scoring.ModelWeights.WeakNegativeFeedbackParam
   )
 
   override val longSetFSOverrides = Seq(
-    CompetitorSetParam,
+    CompetitorSetParam
   )
 
   override val stringSeqFSOverrides = Seq(
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/BUILD.bazel
index a7db4784bb..15fc94f47d 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/BUILD.bazel
@@ -5,14 +5,13 @@ scala_library(
     dependencies = [
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/transformer",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
-        "snowflake/src/main/scala/com/twitter/snowflake/id",
         "src/thrift/com/twitter/timelineranker:thrift-scala",
-        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/timelineranker",
         "timelineranker/common/src/main/scala/com/twitter/timelineranker/model",
         "timelines:util",
         "timelines/src/main/scala/com/twitter/timelines/common/model",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerFrsQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerFrsQueryTransformer.scala
index e141d1ee7f..2592ec82e7 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerFrsQueryTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerFrsQueryTransformer.scala
@@ -1,8 +1,11 @@
 package com.twitter.home_mixer.product.scored_tweets.query_transformer
 
 import com.twitter.conversions.DurationOps._
+import com.twitter.core_workflows.user_model.{thriftscala => um}
+import com.twitter.home_mixer.model.HomeFeatures.UserStateFeature
 import com.twitter.home_mixer.model.request.HasDeviceContext
-import com.twitter.home_mixer.product.scored_tweets.query_feature_hydrator.FrsSeedUserIdsFeature
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.FrsSeedUserIdsFeature
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerFrsQueryTransformer._
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
@@ -11,33 +14,51 @@ import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
 import com.twitter.timelineranker.{thriftscala => t}
 import com.twitter.timelines.common.model.TweetKindOption
 import com.twitter.timelines.model.candidate.CandidateTweetSourceId
-import com.twitter.util.Duration
 
 object TimelineRankerFrsQueryTransformer {
-  private val SinceDuration = 24.hours
+  private val DefaultSinceDuration = 24.hours
+  private val ExpandedSinceDuration = 48.hours
   private val MaxTweetsToFetch = 100
 
   private val tweetKindOptions: TweetKindOption.ValueSet =
     TweetKindOption(includeOriginalTweetsAndQuotes = true)
+
+  private val UserStatesForExtendedSinceDuration: Set[um.UserState] = Set(
+    um.UserState.Light,
+    um.UserState.MediumNonTweeter,
+    um.UserState.MediumTweeter,
+    um.UserState.NearZero,
+    um.UserState.New,
+    um.UserState.VeryLight
+  )
 }
 
 case class TimelineRankerFrsQueryTransformer[
   Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext
 ](
   override val candidatePipelineIdentifier: CandidatePipelineIdentifier,
-  override val maxTweetsToFetch: Int = MaxTweetsToFetch,
-  override val sinceDuration: Duration = SinceDuration)
+  override val maxTweetsToFetch: Int = MaxTweetsToFetch)
     extends CandidatePipelineQueryTransformer[Query, t.RecapQuery]
     with TimelineRankerQueryTransformer[Query] {
 
   override val candidateTweetSourceId = CandidateTweetSourceId.FrsTweet
-  override val skipVeryRecentTweets = false
   override val options = tweetKindOptions
 
+  override def getTensorflowModel(query: Query): Option[String] = {
+    Some(query.params(ScoredTweetsParam.EarlybirdTensorflowModel.FrsParam))
+  }
+
   override def seedAuthorIds(query: Query): Option[Seq[Long]] = {
     query.features.flatMap(_.getOrElse(FrsSeedUserIdsFeature, None))
   }
 
-  override def transform(input: Query): t.RecapQuery =
-    buildTimelineRankerQuery(input).toThriftRecapQuery
+  override def transform(input: Query): t.RecapQuery = {
+    val userState = input.features.get.getOrElse(UserStateFeature, None)
+
+    val sinceDuration =
+      if (userState.exists(UserStatesForExtendedSinceDuration.contains)) ExpandedSinceDuration
+      else DefaultSinceDuration
+
+    buildTimelineRankerQuery(input, sinceDuration).toThriftRecapQuery
+  }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerInNetworkQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerInNetworkQueryTransformer.scala
index bec8f74f28..4514dc2c44 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerInNetworkQueryTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerInNetworkQueryTransformer.scala
@@ -1,7 +1,10 @@
 package com.twitter.home_mixer.product.scored_tweets.query_transformer
 
 import com.twitter.conversions.DurationOps._
+import com.twitter.core_workflows.user_model.{thriftscala => um}
+import com.twitter.home_mixer.model.HomeFeatures.UserStateFeature
 import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerInNetworkQueryTransformer._
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
@@ -10,11 +13,11 @@ import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
 import com.twitter.timelineranker.{thriftscala => t}
 import com.twitter.timelines.common.model.TweetKindOption
 import com.twitter.timelines.model.candidate.CandidateTweetSourceId
-import com.twitter.util.Duration
 
 object TimelineRankerInNetworkQueryTransformer {
-  private val SinceDuration = 24.hours
-  private val MaxTweetsToFetch = 500
+  private val DefaultSinceDuration = 24.hours
+  private val ExpandedSinceDuration = 48.hours
+  private val MaxTweetsToFetch = 600
 
   private val tweetKindOptions: TweetKindOption.ValueSet = TweetKindOption(
     includeReplies = true,
@@ -22,21 +25,39 @@ object TimelineRankerInNetworkQueryTransformer {
     includeOriginalTweetsAndQuotes = true,
     includeExtendedReplies = true
   )
+
+  private val UserStatesForExtendedSinceDuration: Set[um.UserState] = Set(
+    um.UserState.Light,
+    um.UserState.MediumNonTweeter,
+    um.UserState.MediumTweeter,
+    um.UserState.NearZero,
+    um.UserState.New,
+    um.UserState.VeryLight
+  )
 }
 
 case class TimelineRankerInNetworkQueryTransformer[
   Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext
 ](
   override val candidatePipelineIdentifier: CandidatePipelineIdentifier,
-  override val maxTweetsToFetch: Int = MaxTweetsToFetch,
-  override val sinceDuration: Duration = SinceDuration)
+  override val maxTweetsToFetch: Int = MaxTweetsToFetch)
     extends CandidatePipelineQueryTransformer[Query, t.RecapQuery]
     with TimelineRankerQueryTransformer[Query] {
 
   override val candidateTweetSourceId = CandidateTweetSourceId.RecycledTweet
-  override val skipVeryRecentTweets = false
   override val options = tweetKindOptions
 
-  override def transform(input: Query): t.RecapQuery =
-    buildTimelineRankerQuery(input).toThriftRecapQuery
+  override def getTensorflowModel(query: Query): Option[String] = {
+    Some(query.params(ScoredTweetsParam.EarlybirdTensorflowModel.InNetworkParam))
+  }
+
+  override def transform(input: Query): t.RecapQuery = {
+    val userState = input.features.get.getOrElse(UserStateFeature, None)
+
+    val sinceDuration =
+      if (userState.exists(UserStatesForExtendedSinceDuration.contains)) ExpandedSinceDuration
+      else DefaultSinceDuration
+
+    buildTimelineRankerQuery(input, sinceDuration).toThriftRecapQuery
+  }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerQueryTransformer.scala
index d5b29974b2..e187a0aa05 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerQueryTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerQueryTransformer.scala
@@ -4,11 +4,10 @@ import com.twitter.home_mixer.model.HomeFeatures.RealGraphInNetworkScoresFeature
 import com.twitter.home_mixer.model.request.HasDeviceContext
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerQueryTransformer._
 import com.twitter.home_mixer.util.CachedScoredTweetsHelper
+import com.twitter.home_mixer.util.earlybird.EarlybirdRequestUtil
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
-import com.twitter.timelinemixer.clients.timelineranker.EarlybirdScoringModels
-import com.twitter.timelinemixer.clients.timelineranker.EarlybirdScoringModelsId
 import com.twitter.timelineranker.{model => tlr}
 import com.twitter.timelines.common.model.TweetKindOption
 import com.twitter.timelines.earlybird.common.options.EarlybirdOptions
@@ -37,24 +36,22 @@ object TimelineRankerQueryTransformer {
   /**
    * Maximum number of results TLR should retrieve from each earlybird shard.
    */
-  private val EarlybirdMaxResults = 200
+  private val EarlybirdMaxResults = 300
 }
 
 trait TimelineRankerQueryTransformer[
   Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext] {
   def maxTweetsToFetch: Int
-  def sinceDuration: Duration
   def options: TweetKindOption.ValueSet = TweetKindOption.Default
   def candidateTweetSourceId: CandidateTweetSourceId.Value
-  def skipVeryRecentTweets: Boolean
   def utegLikedByTweetsOptions(query: Query): Option[tlr.UtegLikedByTweetsOptions] = None
   def seedAuthorIds(query: Query): Option[Seq[Long]] = None
   def candidatePipelineIdentifier: CandidatePipelineIdentifier
   def earlybirdModels: Seq[EarlybirdScoringModelConfig] =
-    EarlybirdScoringModels.fromEnum(EarlybirdScoringModelsId.UnifiedEngagementProd)
-  def tensorflowModel: Option[String] = None
+    EarlybirdRequestUtil.EarlybirdScoringModels.UnifiedEngagementProd
+  def getTensorflowModel(query: Query): Option[String] = None
 
-  def buildTimelineRankerQuery(query: Query): tlr.RecapQuery = {
+  def buildTimelineRankerQuery(query: Query, sinceDuration: Duration): tlr.RecapQuery = {
     val sinceTime: Time = sinceDuration.ago
     val untilTime: Time = Time.now
 
@@ -81,12 +78,14 @@ trait TimelineRankerQueryTransformer[
     val deviceContext =
       query.deviceContext.map(_.toTimelineServiceDeviceContext(query.clientContext))
 
+    val tensorflowModel = getTensorflowModel(query)
+
     val earlyBirdOptions = EarlybirdOptions(
       maxNumHitsPerShard = EarlybirdMaxHits,
       maxNumResultsPerShard = EarlybirdMaxResults,
       models = earlybirdModels,
       authorScoreMap = authorScoreMap,
-      skipVeryRecentTweets = skipVeryRecentTweets,
+      skipVeryRecentTweets = true,
       tensorflowModel = tensorflowModel
     )
 
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerUtegQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerUtegQueryTransformer.scala
index 03a63acf90..ea051f3317 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerUtegQueryTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/TimelineRankerUtegQueryTransformer.scala
@@ -3,46 +3,46 @@ package com.twitter.home_mixer.product.scored_tweets.query_transformer
 import com.twitter.conversions.DurationOps._
 import com.twitter.home_mixer.model.HomeFeatures.RealGraphInNetworkScoresFeature
 import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam
 import com.twitter.home_mixer.product.scored_tweets.query_transformer.TimelineRankerUtegQueryTransformer._
+import com.twitter.home_mixer.util.earlybird.EarlybirdRequestUtil
 import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
 import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
-import com.twitter.timelinemixer.clients.timelineranker.EarlybirdScoringModels
-import com.twitter.timelinemixer.clients.timelineranker.EarlybirdScoringModelsId
 import com.twitter.timelineranker.{model => tlr}
 import com.twitter.timelineranker.{thriftscala => t}
 import com.twitter.timelines.common.model.TweetKindOption
+import com.twitter.timelines.earlybird.common.options.EarlybirdScoringModelConfig
 import com.twitter.timelines.model.UserId
 import com.twitter.timelines.model.candidate.CandidateTweetSourceId
-import com.twitter.util.Duration
 
 object TimelineRankerUtegQueryTransformer {
   private val SinceDuration = 24.hours
-  private val MaxTweetsToFetch = 500
+  private val MaxTweetsToFetch = 300
   private val MaxUtegCandidates = 800
 
-  private val TensorflowModel = "timelines_rectweet_replica"
+  private val tweetKindOptions =
+    TweetKindOption(includeOriginalTweetsAndQuotes = true, includeReplies = true)
 
-  private val tweetKindOptions = TweetKindOption(includeReplies = true)
-
-  def utegEarlybirdModels =
-    EarlybirdScoringModels.fromEnum(EarlybirdScoringModelsId.UnifiedEngagementRectweet)
+  def utegEarlybirdModels: Seq[EarlybirdScoringModelConfig] =
+    EarlybirdRequestUtil.EarlybirdScoringModels.UnifiedEngagementRectweet
 }
 
 case class TimelineRankerUtegQueryTransformer[
   Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext
 ](
   override val candidatePipelineIdentifier: CandidatePipelineIdentifier,
-  override val maxTweetsToFetch: Int = MaxTweetsToFetch,
-  override val sinceDuration: Duration = SinceDuration)
+  override val maxTweetsToFetch: Int = MaxTweetsToFetch)
     extends CandidatePipelineQueryTransformer[Query, t.UtegLikedByTweetsQuery]
     with TimelineRankerQueryTransformer[Query] {
 
   override val candidateTweetSourceId = CandidateTweetSourceId.RecommendedTweet
-  override val skipVeryRecentTweets = true
+  override val options = tweetKindOptions
   override val earlybirdModels = utegEarlybirdModels
-  override val tensorflowModel = Some(TensorflowModel)
+  override def getTensorflowModel(query: Query): Option[String] = {
+    Some(query.params(ScoredTweetsParam.EarlybirdTensorflowModel.UtegParam))
+  }
 
   override def utegLikedByTweetsOptions(input: Query): Option[tlr.UtegLikedByTweetsOptions] = Some(
     tlr.UtegLikedByTweetsOptions(
@@ -55,5 +55,5 @@ case class TimelineRankerUtegQueryTransformer[
   )
 
   override def transform(input: Query): t.UtegLikedByTweetsQuery =
-    buildTimelineRankerQuery(input).toThriftUtegLikedByTweetsQuery
+    buildTimelineRankerQuery(input, SinceDuration).toThriftUtegLikedByTweetsQuery
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/BUILD.bazel
new file mode 100644
index 0000000000..a337a328b8
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/BUILD.bazel
@@ -0,0 +1,23 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/transformer",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
+        "src/thrift/com/twitter/search:earlybird-scala",
+        "timelines:util",
+        "timelines/src/main/scala/com/twitter/timelines/clients/relevance_search",
+        "timelines/src/main/scala/com/twitter/timelines/common/model",
+        "timelines/src/main/scala/com/twitter/timelines/earlybird/common/utils",
+        "timelines/src/main/scala/com/twitter/timelines/model/candidate",
+        "timelines/src/main/scala/com/twitter/timelines/model/types",
+        "timelines/src/main/scala/com/twitter/timelines/util/stats",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdFrsQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdFrsQueryTransformer.scala
new file mode 100644
index 0000000000..9b2ac341e5
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdFrsQueryTransformer.scala
@@ -0,0 +1,41 @@
+package com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird
+
+import com.twitter.conversions.DurationOps._
+import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.FrsSeedUserIdsFeature
+import com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird.EarlybirdFrsQueryTransformer._
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
+import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelines.common.model.TweetKindOption
+
+object EarlybirdFrsQueryTransformer {
+  private val SinceDuration = 24.hours
+  private val MaxTweetsToFetch = 100
+  private val TensorflowModel = Some("timelines_rectweet_replica")
+
+  private val TweetKindOptions: TweetKindOption.ValueSet =
+    TweetKindOption(includeOriginalTweetsAndQuotes = true)
+}
+
+case class EarlybirdFrsQueryTransformer[
+  Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext
+](
+  candidatePipelineIdentifier: CandidatePipelineIdentifier,
+  override val clientId: Option[String])
+    extends CandidatePipelineQueryTransformer[Query, eb.EarlybirdRequest]
+    with EarlybirdQueryTransformer[Query] {
+
+  override val tweetKindOptions: TweetKindOption.ValueSet = TweetKindOptions
+  override val maxTweetsToFetch: Int = MaxTweetsToFetch
+  override val tensorflowModel: Option[String] = TensorflowModel
+
+  override def transform(query: Query): eb.EarlybirdRequest = {
+    val seedUserIds = query.features
+      .flatMap(_.getOrElse(FrsSeedUserIdsFeature, None))
+      .getOrElse(Seq.empty).toSet
+    buildEarlybirdQuery(query, SinceDuration, seedUserIds)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdInNetworkQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdInNetworkQueryTransformer.scala
new file mode 100644
index 0000000000..5c5464b8bb
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdInNetworkQueryTransformer.scala
@@ -0,0 +1,68 @@
+package com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird
+
+import com.twitter.conversions.DurationOps._
+import com.twitter.core_workflows.user_model.{thriftscala => um}
+import com.twitter.home_mixer.model.HomeFeatures.UserStateFeature
+import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird.EarlybirdInNetworkQueryTransformer._
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersFeature
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
+import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelines.common.model.TweetKindOption
+
+object EarlybirdInNetworkQueryTransformer {
+  private val DefaultSinceDuration = 24.hours
+  private val ExpandedSinceDuration = 48.hours
+  private val MaxTweetsToFetch = 600
+  private val TensorflowModel = Some("timelines_recap_replica")
+
+  private val TweetKindOptions: TweetKindOption.ValueSet = TweetKindOption(
+    includeReplies = true,
+    includeRetweets = true,
+    includeOriginalTweetsAndQuotes = true,
+    includeExtendedReplies = true
+  )
+
+  private val UserStatesForExtendedSinceDuration: Set[um.UserState] = Set(
+    um.UserState.Light,
+    um.UserState.MediumNonTweeter,
+    um.UserState.MediumTweeter,
+    um.UserState.NearZero,
+    um.UserState.New,
+    um.UserState.VeryLight
+  )
+}
+
+case class EarlybirdInNetworkQueryTransformer[
+  Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext
+](
+  candidatePipelineIdentifier: CandidatePipelineIdentifier,
+  override val clientId: Option[String])
+    extends CandidatePipelineQueryTransformer[Query, eb.EarlybirdRequest]
+    with EarlybirdQueryTransformer[Query] {
+
+  override val tweetKindOptions: TweetKindOption.ValueSet = TweetKindOptions
+  override val maxTweetsToFetch: Int = MaxTweetsToFetch
+  override val tensorflowModel: Option[String] = TensorflowModel
+
+  override def transform(query: Query): eb.EarlybirdRequest = {
+
+    val userState = query.features.get.getOrElse(UserStateFeature, None)
+
+    val sinceDuration =
+      if (userState.exists(UserStatesForExtendedSinceDuration.contains)) ExpandedSinceDuration
+      else DefaultSinceDuration
+
+    val followedUserIds =
+      query.features
+        .map(
+          _.getOrElse(
+            SGSFollowedUsersFeature,
+            Seq.empty)).toSeq.flatten.toSet + query.getRequiredUserId
+
+    buildEarlybirdQuery(query, sinceDuration, followedUserIds)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdQueryTransformer.scala
new file mode 100644
index 0000000000..0e51c54eaa
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_transformer/earlybird/EarlybirdQueryTransformer.scala
@@ -0,0 +1,70 @@
+package com.twitter.home_mixer.product.scored_tweets.query_transformer.earlybird
+
+import com.twitter.home_mixer.model.HomeFeatures.RealGraphInNetworkScoresFeature
+import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.util.CachedScoredTweetsHelper
+import com.twitter.home_mixer.util.earlybird.EarlybirdRequestUtil
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.quality_factor.HasQualityFactorStatus
+import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelines.clients.relevance_search.SearchClient.TweetTypes
+import com.twitter.timelines.common.model.TweetKindOption
+import com.twitter.timelines.util.SnowflakeSortIndexHelper
+import com.twitter.util.Duration
+import com.twitter.util.Time
+
+trait EarlybirdQueryTransformer[
+  Query <: PipelineQuery with HasQualityFactorStatus with HasDeviceContext] {
+
+  def candidatePipelineIdentifier: CandidatePipelineIdentifier
+  def clientId: Option[String] = None
+  def maxTweetsToFetch: Int = 100
+  def tweetKindOptions: TweetKindOption.ValueSet
+  def tensorflowModel: Option[String] = None
+
+  private val EarlybirdMaxExcludedTweets = 1500
+
+  def buildEarlybirdQuery(
+    query: Query,
+    sinceDuration: Duration,
+    followedUserIds: Set[Long] = Set.empty
+  ): eb.EarlybirdRequest = {
+    val sinceTime: Time = sinceDuration.ago
+    val untilTime: Time = Time.now
+
+    val fromTweetIdExclusive = SnowflakeSortIndexHelper.timestampToFakeId(sinceTime)
+    val toTweetIdExclusive = SnowflakeSortIndexHelper.timestampToFakeId(untilTime)
+
+    val excludedTweetIds = query.features.map { featureMap =>
+      CachedScoredTweetsHelper.tweetImpressionsAndCachedScoredTweetsInRange(
+        featureMap,
+        candidatePipelineIdentifier,
+        EarlybirdMaxExcludedTweets,
+        sinceTime,
+        untilTime)
+    }
+
+    val maxCount =
+      (query.getQualityFactorCurrentValue(candidatePipelineIdentifier) * maxTweetsToFetch).toInt
+
+    val authorScoreMap = query.features
+      .map(_.getOrElse(RealGraphInNetworkScoresFeature, Map.empty[Long, Double]))
+      .getOrElse(Map.empty)
+
+    EarlybirdRequestUtil.getTweetsRequest(
+      userId = Some(query.getRequiredUserId),
+      clientId = clientId,
+      skipVeryRecentTweets = true,
+      followedUserIds = followedUserIds,
+      retweetsMutedUserIds = Set.empty,
+      beforeTweetIdExclusive = Some(toTweetIdExclusive),
+      afterTweetIdExclusive = Some(fromTweetIdExclusive),
+      excludedTweetIds = excludedTweetIds.map(_.toSet),
+      maxCount = maxCount,
+      tweetTypes = TweetTypes.fromTweetKindOption(tweetKindOptions),
+      authorScoreMap = Some(authorScoreMap),
+      tensorflowModel = tensorflowModel
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/BUILD.bazel
index 32f150c38c..30774b91f1 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/BUILD.bazel
@@ -3,16 +3,14 @@ scala_library(
     compiler_option_sets = ["fatal_warnings"],
     strict_deps = True,
     dependencies = [
-        "cr-mixer/thrift/src/main/thrift:thrift-scala",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
+        "explore/explore-ranker/thrift/src/main/thrift:thrift-scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/content",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/transformer",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
         "src/thrift/com/twitter/timelineranker:thrift-scala",
         "topic-social-proof/server/src/main/thrift:thrift-scala",
+        "tweet-mixer/thrift/src/main/thrift:thrift-scala",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/CachedScoredTweetsResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/CachedScoredTweetsResponseFeatureTransformer.scala
index 9822a53316..0fbe7a438e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/CachedScoredTweetsResponseFeatureTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/CachedScoredTweetsResponseFeatureTransformer.scala
@@ -4,21 +4,28 @@ import com.twitter.home_mixer.marshaller.timelines.TopicContextFunctionalityType
 import com.twitter.home_mixer.model.HomeFeatures.AncestorsFeature
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIsBlueVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsCreatorFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsGoldVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsGrayVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsLegacyVerifiedFeature
 import com.twitter.home_mixer.model.HomeFeatures.CachedCandidatePipelineIdentifierFeature
 import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.FavoritedByUserIdsFeature
-import com.twitter.home_mixer.model.HomeFeatures.FollowedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToUserIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsReadFromCacheFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
 import com.twitter.home_mixer.model.HomeFeatures.LastScoredTimestampMsFeature
+import com.twitter.home_mixer.model.HomeFeatures.PerspectiveFilteredLikedByUserIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SGSValidFollowedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.SGSValidLikedByUserIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.StreamToKafkaFeature
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
 import com.twitter.home_mixer.model.HomeFeatures.TopicContextFunctionalityTypeFeature
 import com.twitter.home_mixer.model.HomeFeatures.TopicIdSocialContextFeature
@@ -32,7 +39,7 @@ import com.twitter.product_mixer.core.functional_component.transformer.Candidate
 import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
 
 object CachedScoredTweetsResponseFeatureTransformer
-    extends CandidateFeatureTransformer[hmt.CachedScoredTweet] {
+    extends CandidateFeatureTransformer[hmt.ScoredTweet] {
 
   override val identifier: TransformerIdentifier =
     TransformerIdentifier("CachedScoredTweetsResponse")
@@ -41,21 +48,28 @@ object CachedScoredTweetsResponseFeatureTransformer
     AncestorsFeature,
     AuthorIdFeature,
     AuthorIsBlueVerifiedFeature,
+    AuthorIsCreatorFeature,
+    AuthorIsGoldVerifiedFeature,
+    AuthorIsGrayVerifiedFeature,
+    AuthorIsLegacyVerifiedFeature,
     CachedCandidatePipelineIdentifierFeature,
     DirectedAtUserIdFeature,
-    FavoritedByUserIdsFeature,
-    FollowedByUserIdsFeature,
+    ExclusiveConversationAuthorIdFeature,
     InNetworkFeature,
     InReplyToTweetIdFeature,
     InReplyToUserIdFeature,
     IsReadFromCacheFeature,
     IsRetweetFeature,
     LastScoredTimestampMsFeature,
+    PerspectiveFilteredLikedByUserIdsFeature,
     QuotedTweetIdFeature,
     QuotedUserIdFeature,
+    SGSValidFollowedByUserIdsFeature,
+    SGSValidLikedByUserIdsFeature,
     ScoreFeature,
     SourceTweetIdFeature,
     SourceUserIdFeature,
+    StreamToKafkaFeature,
     SuggestTypeFeature,
     TopicContextFunctionalityTypeFeature,
     TopicIdSocialContextFeature,
@@ -63,32 +77,43 @@ object CachedScoredTweetsResponseFeatureTransformer
     WeightedModelScoreFeature
   )
 
-  override def transform(candidate: hmt.CachedScoredTweet): FeatureMap =
+  override def transform(candidate: hmt.ScoredTweet): FeatureMap =
     FeatureMapBuilder()
       .add(AncestorsFeature, candidate.ancestors.getOrElse(Seq.empty))
-      .add(AuthorIdFeature, candidate.userId)
-      .add(AuthorIsBlueVerifiedFeature, candidate.authorIsBlueVerified.getOrElse(false))
+      .add(AuthorIdFeature, Some(candidate.authorId))
+      .add(AuthorIsBlueVerifiedFeature, candidate.authorMetadata.exists(_.blueVerified))
+      .add(AuthorIsGoldVerifiedFeature, candidate.authorMetadata.exists(_.goldVerified))
+      .add(AuthorIsGrayVerifiedFeature, candidate.authorMetadata.exists(_.grayVerified))
+      .add(AuthorIsLegacyVerifiedFeature, candidate.authorMetadata.exists(_.legacyVerified))
+      .add(AuthorIsCreatorFeature, candidate.authorMetadata.exists(_.creator))
       .add(CachedCandidatePipelineIdentifierFeature, candidate.candidatePipelineIdentifier)
       .add(DirectedAtUserIdFeature, candidate.directedAtUserId)
-      .add(FavoritedByUserIdsFeature, candidate.favoritedByUserIds.getOrElse(Seq.empty))
-      .add(FollowedByUserIdsFeature, candidate.followedByUserIds.getOrElse(Seq.empty))
-      .add(InNetworkFeature, candidate.isInNetwork.getOrElse(false))
+      .add(ExclusiveConversationAuthorIdFeature, candidate.exclusiveConversationAuthorId)
+      .add(InNetworkFeature, candidate.inNetwork.getOrElse(true))
       .add(InReplyToTweetIdFeature, candidate.inReplyToTweetId)
       .add(InReplyToUserIdFeature, candidate.inReplyToUserId)
       .add(IsReadFromCacheFeature, true)
-      .add(IsRetweetFeature, candidate.isRetweet.getOrElse(false))
+      .add(IsRetweetFeature, candidate.sourceTweetId.isDefined)
       .add(LastScoredTimestampMsFeature, candidate.lastScoredTimestampMs)
+      .add(
+        PerspectiveFilteredLikedByUserIdsFeature,
+        candidate.perspectiveFilteredLikedByUserIds.getOrElse(Seq.empty))
       .add(QuotedTweetIdFeature, candidate.quotedTweetId)
       .add(QuotedUserIdFeature, candidate.quotedUserId)
       .add(ScoreFeature, candidate.score)
+      .add(SGSValidLikedByUserIdsFeature, candidate.sgsValidLikedByUserIds.getOrElse(Seq.empty))
+      .add(
+        SGSValidFollowedByUserIdsFeature,
+        candidate.sgsValidFollowedByUserIds.getOrElse(Seq.empty))
       .add(SourceTweetIdFeature, candidate.sourceTweetId)
       .add(SourceUserIdFeature, candidate.sourceUserId)
+      .add(StreamToKafkaFeature, false)
       .add(SuggestTypeFeature, candidate.suggestType)
       .add(
         TopicContextFunctionalityTypeFeature,
         candidate.topicFunctionalityType.map(TopicContextFunctionalityTypeUnmarshaller(_)))
       .add(TopicIdSocialContextFeature, candidate.topicId)
-      .add(TweetUrlsFeature, candidate.urlsList.getOrElse(Seq.empty))
+      .add(TweetUrlsFeature, candidate.tweetUrls.getOrElse(Seq.empty))
       .add(WeightedModelScoreFeature, candidate.score)
       .build()
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsBackfillResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsBackfillResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..806c0d11da
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsBackfillResponseFeatureTransformer.scala
@@ -0,0 +1,30 @@
+package com.twitter.home_mixer.product.scored_tweets.response_transformer
+
+import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+
+object ScoredTweetsBackfillResponseFeatureTransformer extends CandidateFeatureTransformer[Long] {
+
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("ScoredTweetsBackfillResponse")
+
+  override val features: Set[Feature[_, _]] = Set(
+    CandidateSourceIdFeature,
+    FromInNetworkSourceFeature,
+    SuggestTypeFeature
+  )
+
+  override def transform(candidate: Long): FeatureMap = FeatureMapBuilder()
+    .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.BackfillOrganicTweet))
+    .add(FromInNetworkSourceFeature, true)
+    .add(SuggestTypeFeature, Some(st.SuggestType.RankedOrganicTweet))
+    .build()
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsInNetworkResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsInNetworkResponseFeatureTransformer.scala
index ada45d3e18..d7d23bc987 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsInNetworkResponseFeatureTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsInNetworkResponseFeatureTransformer.scala
@@ -26,7 +26,7 @@ object ScoredTweetsInNetworkResponseFeatureTransformer
     val features = FeatureMapBuilder()
       .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.RecycledTweet))
       .add(FromInNetworkSourceFeature, true)
-      .add(SuggestTypeFeature, Some(st.SuggestType.RecycledTweetInline))
+      .add(SuggestTypeFeature, Some(st.SuggestType.RankedTimelineTweet))
       .build()
 
     baseFeatures ++ features
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsListsResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsListsResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..6a48e84c80
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsListsResponseFeatureTransformer.scala
@@ -0,0 +1,45 @@
+package com.twitter.home_mixer.product.scored_tweets.response_transformer
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.timelineservice.{thriftscala => t}
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
+
+object ScoredTweetsListsResponseFeatureTransformer extends CandidateFeatureTransformer[t.Tweet] {
+
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("ScoredTweetsListsResponse")
+
+  override val features: Set[Feature[_, _]] = Set(
+    AuthorIdFeature,
+    CandidateSourceIdFeature,
+    FromInNetworkSourceFeature,
+    IsRetweetFeature,
+    SuggestTypeFeature,
+    SourceTweetIdFeature,
+    SourceUserIdFeature,
+  )
+
+  override def transform(candidate: t.Tweet): FeatureMap = {
+    FeatureMapBuilder()
+      .add(AuthorIdFeature, candidate.userId)
+      .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.ListTweet))
+      .add(FromInNetworkSourceFeature, false)
+      .add(IsRetweetFeature, candidate.sourceStatusId.isDefined)
+      .add(SuggestTypeFeature, Some(st.SuggestType.RankedListTweet))
+      .add(SourceTweetIdFeature, candidate.sourceStatusId)
+      .add(SourceUserIdFeature, candidate.sourceUserId)
+      .build()
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsCrMixerResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsPopularVideosResponseFeatureTransformer.scala
similarity index 51%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsCrMixerResponseFeatureTransformer.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsPopularVideosResponseFeatureTransformer.scala
index 96aef36b62..6657e6f5c9 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsCrMixerResponseFeatureTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsPopularVideosResponseFeatureTransformer.scala
@@ -1,13 +1,13 @@
 package com.twitter.home_mixer.product.scored_tweets.response_transformer
 
-import com.twitter.cr_mixer.{thriftscala => crm}
+import com.twitter.explore_ranker.{thriftscala => ert}
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
+import com.twitter.home_mixer.model.HomeFeatures.HasVideoFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRandomTweetFeature
 import com.twitter.home_mixer.model.HomeFeatures.StreamToKafkaFeature
 import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
-import com.twitter.home_mixer.model.HomeFeatures.TSPMetricTagFeature
 import com.twitter.product_mixer.core.feature.Feature
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
 import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
@@ -15,51 +15,32 @@ import com.twitter.product_mixer.core.functional_component.transformer.Candidate
 import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
 import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
 import com.twitter.timelineservice.suggests.{thriftscala => st}
-import com.twitter.tsp.{thriftscala => tsp}
 
-object ScoredTweetsCrMixerResponseFeatureTransformer
-    extends CandidateFeatureTransformer[crm.TweetRecommendation] {
+object ScoredTweetsPopularVideosResponseFeatureTransformer
+    extends CandidateFeatureTransformer[ert.ExploreTweetRecommendation] {
 
   override val identifier: TransformerIdentifier =
-    TransformerIdentifier("ScoredTweetsCrMixerResponse")
+    TransformerIdentifier("ScoredTweetsPopularVideosResponse")
 
   override val features: Set[Feature[_, _]] = Set(
     AuthorIdFeature,
     CandidateSourceIdFeature,
     FromInNetworkSourceFeature,
+    HasVideoFeature,
     IsRandomTweetFeature,
     StreamToKafkaFeature,
-    SuggestTypeFeature,
-    TSPMetricTagFeature
+    SuggestTypeFeature
   )
 
-  override def transform(candidate: crm.TweetRecommendation): FeatureMap = {
-    val crMixerMetricTags = candidate.metricTags.getOrElse(Seq.empty)
-    val tspMetricTag = crMixerMetricTags
-      .map(CrMixerMetricTagToTspMetricTag)
-      .filter(_.nonEmpty).map(_.get).toSet
-
+  override def transform(candidate: ert.ExploreTweetRecommendation): FeatureMap = {
     FeatureMapBuilder()
       .add(AuthorIdFeature, candidate.authorId)
-      .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.Simcluster))
+      .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.MediaTweet))
       .add(FromInNetworkSourceFeature, false)
+      .add(HasVideoFeature, candidate.mediaType.contains(ert.MediaType.Video))
       .add(IsRandomTweetFeature, false)
       .add(StreamToKafkaFeature, true)
-      .add(SuggestTypeFeature, Some(st.SuggestType.ScTweet))
-      .add(TSPMetricTagFeature, tspMetricTag)
+      .add(SuggestTypeFeature, Some(st.SuggestType.MediaTweet))
       .build()
   }
-
-  private def CrMixerMetricTagToTspMetricTag(
-    crMixerMetricTag: crm.MetricTag
-  ): Option[tsp.MetricTag] = crMixerMetricTag match {
-    case crm.MetricTag.TweetFavorite => Some(tsp.MetricTag.TweetFavorite)
-    case crm.MetricTag.Retweet => Some(tsp.MetricTag.Retweet)
-    case crm.MetricTag.UserFollow => Some(tsp.MetricTag.UserFollow)
-    case crm.MetricTag.PushOpenOrNtabClick => Some(tsp.MetricTag.PushOpenOrNtabClick)
-    case crm.MetricTag.UserInterestedIn => Some(tsp.MetricTag.UserInterestedIn)
-    case crm.MetricTag.HomeTweetClick => Some(tsp.MetricTag.HomeTweetClick)
-    case crm.MetricTag.HomeVideoView => Some(tsp.MetricTag.HomeVideoView)
-    case _ => None
-  }
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsTweetMixerResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsTweetMixerResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..4312b51045
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsTweetMixerResponseFeatureTransformer.scala
@@ -0,0 +1,52 @@
+package com.twitter.home_mixer.product.scored_tweets.response_transformer
+
+import com.twitter.tweet_mixer.{thriftscala => tmt}
+import com.twitter.home_mixer.model.HomeFeatures._
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+import com.twitter.tsp.{thriftscala => tsp}
+
+object ScoredTweetsTweetMixerResponseFeatureTransformer
+    extends CandidateFeatureTransformer[tmt.TweetResult] {
+
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("ScoredTweetsTweetMixerResponse")
+
+  override val features: Set[Feature[_, _]] = Set(
+    CandidateSourceIdFeature,
+    FromInNetworkSourceFeature,
+    IsRandomTweetFeature,
+    StreamToKafkaFeature,
+    SuggestTypeFeature,
+    TSPMetricTagFeature
+  )
+
+  override def transform(candidate: tmt.TweetResult): FeatureMap = {
+    val tweetMixerMetricTags = candidate.metricTags.getOrElse(Seq.empty)
+    val tspMetricTag = tweetMixerMetricTags
+      .map(TweetMixerMetricTagToTspMetricTag)
+      .filter(_.nonEmpty).map(_.get).toSet
+
+    FeatureMapBuilder()
+      .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.Simcluster))
+      .add(FromInNetworkSourceFeature, false)
+      .add(IsRandomTweetFeature, false)
+      .add(StreamToKafkaFeature, true)
+      .add(SuggestTypeFeature, Some(st.SuggestType.ScTweet))
+      .add(TSPMetricTagFeature, tspMetricTag)
+      .build()
+  }
+
+  private def TweetMixerMetricTagToTspMetricTag(
+    tweetMixerMetricTag: tmt.MetricTag
+  ): Option[tsp.MetricTag] = tweetMixerMetricTag match {
+    case tmt.MetricTag.TweetFavorite => Some(tsp.MetricTag.TweetFavorite)
+    case tmt.MetricTag.Retweet => Some(tsp.MetricTag.Retweet)
+    case _ => None
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/TimelineRankerResponseTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/TimelineRankerResponseTransformer.scala
index e431ef6f4c..a261b2fc24 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/TimelineRankerResponseTransformer.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/TimelineRankerResponseTransformer.scala
@@ -5,6 +5,7 @@ import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.EarlybirdFeature
 import com.twitter.home_mixer.model.HomeFeatures.EarlybirdScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
 import com.twitter.home_mixer.model.HomeFeatures.HasImageFeature
 import com.twitter.home_mixer.model.HomeFeatures.HasVideoFeature
@@ -16,7 +17,6 @@ import com.twitter.home_mixer.model.HomeFeatures.MentionScreenNameFeature
 import com.twitter.home_mixer.model.HomeFeatures.MentionUserIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.SemanticAnnotationFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.StreamToKafkaFeature
@@ -36,6 +36,7 @@ object TimelineRankerResponseTransformer {
     DirectedAtUserIdFeature,
     EarlybirdFeature,
     EarlybirdScoreFeature,
+    ExclusiveConversationAuthorIdFeature,
     FromInNetworkSourceFeature,
     HasImageFeature,
     HasVideoFeature,
@@ -45,7 +46,6 @@ object TimelineRankerResponseTransformer {
     IsRetweetFeature,
     MentionScreenNameFeature,
     MentionUserIdFeature,
-    SemanticAnnotationFeature,
     StreamToKafkaFeature,
     QuotedTweetIdFeature,
     QuotedUserIdFeature,
@@ -57,19 +57,20 @@ object TimelineRankerResponseTransformer {
 
   def transform(candidate: tlr.CandidateTweet): FeatureMap = {
     val tweet = candidate.tweet
-    val quotedTweet = tweet.flatMap(_.quotedTweet)
+    val quotedTweet = tweet.filter(_.quotedTweet.exists(_.tweetId != 0)).flatMap(_.quotedTweet)
     val mentions = tweet.flatMap(_.mentions).getOrElse(Seq.empty)
     val coreData = tweet.flatMap(_.coreData)
     val share = coreData.flatMap(_.share)
     val reply = coreData.flatMap(_.reply)
-    val semanticAnnotations =
-      tweet.flatMap(_.escherbirdEntityAnnotations.map(_.entityAnnotations)).getOrElse(Seq.empty)
 
     FeatureMapBuilder()
       .add(AuthorIdFeature, coreData.map(_.userId))
       .add(DirectedAtUserIdFeature, coreData.flatMap(_.directedAtUser.map(_.userId)))
       .add(EarlybirdFeature, candidate.features)
       .add(EarlybirdScoreFeature, candidate.features.map(_.earlybirdScore))
+      .add(
+        ExclusiveConversationAuthorIdFeature,
+        tweet.flatMap(_.exclusiveTweetControl.map(_.conversationAuthorId)))
       .add(FromInNetworkSourceFeature, false)
       .add(HasImageFeature, tweet.exists(TweetMediaFeaturesExtractor.hasImage))
       .add(HasVideoFeature, tweet.exists(TweetMediaFeaturesExtractor.hasVideo))
@@ -79,7 +80,6 @@ object TimelineRankerResponseTransformer {
       .add(IsRetweetFeature, share.isDefined)
       .add(MentionScreenNameFeature, mentions.map(_.screenName))
       .add(MentionUserIdFeature, mentions.flatMap(_.userId))
-      .add(SemanticAnnotationFeature, semanticAnnotations)
       .add(StreamToKafkaFeature, true)
       .add(QuotedTweetIdFeature, quotedTweet.map(_.tweetId))
       .add(QuotedUserIdFeature, quotedTweet.map(_.userId))
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/BUILD.bazel
new file mode 100644
index 0000000000..81cf19e9b5
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/BUILD.bazel
@@ -0,0 +1,13 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/content",
+        "home-mixer/thrift/src/main/thrift:thrift-scala",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/transformer",
+        "src/thrift/com/twitter/search:earlybird-scala",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/EarlybirdResponseTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/EarlybirdResponseTransformer.scala
new file mode 100644
index 0000000000..f0b1b59b18
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/EarlybirdResponseTransformer.scala
@@ -0,0 +1,92 @@
+package com.twitter.home_mixer.product.scored_tweets.response_transformer.earlybird
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.EarlybirdScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.EarlybirdSearchResultFeature
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
+import com.twitter.home_mixer.model.HomeFeatures.HasImageFeature
+import com.twitter.home_mixer.model.HomeFeatures.HasVideoFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsRandomTweetFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.home_mixer.model.HomeFeatures.MentionScreenNameFeature
+import com.twitter.home_mixer.model.HomeFeatures.MentionUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.StreamToKafkaFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.home_mixer.model.HomeFeatures.TweetUrlsFeature
+import com.twitter.home_mixer.util.tweetypie.content.TweetMediaFeaturesExtractor
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.search.earlybird.{thriftscala => eb}
+
+object EarlybirdResponseTransformer {
+
+  val features: Set[Feature[_, _]] = Set(
+    AuthorIdFeature,
+    CandidateSourceIdFeature,
+    DirectedAtUserIdFeature,
+    EarlybirdScoreFeature,
+    EarlybirdSearchResultFeature,
+    ExclusiveConversationAuthorIdFeature,
+    FromInNetworkSourceFeature,
+    HasImageFeature,
+    HasVideoFeature,
+    InReplyToTweetIdFeature,
+    InReplyToUserIdFeature,
+    IsRandomTweetFeature,
+    IsRetweetFeature,
+    MentionScreenNameFeature,
+    MentionUserIdFeature,
+    StreamToKafkaFeature,
+    QuotedTweetIdFeature,
+    QuotedUserIdFeature,
+    SourceTweetIdFeature,
+    SourceUserIdFeature,
+    SuggestTypeFeature,
+    TweetUrlsFeature
+  )
+
+  def transform(candidate: eb.ThriftSearchResult): FeatureMap = {
+    val tweet = candidate.tweetypieTweet
+    val quotedTweet = tweet.flatMap(_.quotedTweet)
+    val mentions = tweet.flatMap(_.mentions).getOrElse(Seq.empty)
+    val coreData = tweet.flatMap(_.coreData)
+    val share = coreData.flatMap(_.share)
+    val reply = coreData.flatMap(_.reply)
+    FeatureMapBuilder()
+      .add(AuthorIdFeature, coreData.map(_.userId))
+      .add(DirectedAtUserIdFeature, coreData.flatMap(_.directedAtUser.map(_.userId)))
+      .add(EarlybirdSearchResultFeature, Some(candidate))
+      .add(EarlybirdScoreFeature, candidate.metadata.flatMap(_.score))
+      .add(
+        ExclusiveConversationAuthorIdFeature,
+        tweet.flatMap(_.exclusiveTweetControl.map(_.conversationAuthorId)))
+      .add(FromInNetworkSourceFeature, false)
+      .add(HasImageFeature, tweet.exists(TweetMediaFeaturesExtractor.hasImage))
+      .add(HasVideoFeature, tweet.exists(TweetMediaFeaturesExtractor.hasVideo))
+      .add(InReplyToTweetIdFeature, reply.flatMap(_.inReplyToStatusId))
+      .add(InReplyToUserIdFeature, reply.map(_.inReplyToUserId))
+      .add(IsRandomTweetFeature, candidate.tweetFeatures.exists(_.isRandomTweet.getOrElse(false)))
+      .add(IsRetweetFeature, share.isDefined)
+      .add(MentionScreenNameFeature, mentions.map(_.screenName))
+      .add(MentionUserIdFeature, mentions.flatMap(_.userId))
+      .add(StreamToKafkaFeature, true)
+      .add(QuotedTweetIdFeature, quotedTweet.map(_.tweetId))
+      .add(QuotedUserIdFeature, quotedTweet.map(_.userId))
+      .add(SourceTweetIdFeature, share.map(_.sourceStatusId))
+      .add(SourceUserIdFeature, share.map(_.sourceUserId))
+      .add(
+        TweetUrlsFeature,
+        candidate.metadata.flatMap(_.tweetUrls.map(_.map(_.originalUrl))).getOrElse(Seq.empty))
+      .build()
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdFrsResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdFrsResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..bb9ea8beef
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdFrsResponseFeatureTransformer.scala
@@ -0,0 +1,33 @@
+package com.twitter.home_mixer.product.scored_tweets.response_transformer.earlybird
+
+import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+
+object ScoredTweetsEarlybirdFrsResponseFeatureTransformer
+    extends CandidateFeatureTransformer[eb.ThriftSearchResult] {
+
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("ScoredTweetsEarlybirdFrsResponse")
+
+  override val features: Set[Feature[_, _]] = EarlybirdResponseTransformer.features
+
+  override def transform(candidate: eb.ThriftSearchResult): FeatureMap = {
+
+    val baseFeatures = EarlybirdResponseTransformer.transform(candidate)
+
+    val features = FeatureMapBuilder()
+      .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.FrsTweet))
+      .add(SuggestTypeFeature, Some(st.SuggestType.FrsTweet))
+      .build()
+
+    baseFeatures ++ features
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..6b6a9d0034
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/earlybird/ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer.scala
@@ -0,0 +1,32 @@
+package com.twitter.home_mixer.product.scored_tweets.response_transformer.earlybird
+
+import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
+import com.twitter.timelineservice.suggests.{thriftscala => st}
+
+object ScoredTweetsEarlybirdInNetworkResponseFeatureTransformer
+    extends CandidateFeatureTransformer[eb.ThriftSearchResult] {
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("ScoredTweetsEarlybirdInNetworkResponse")
+
+  override val features: Set[Feature[_, _]] = EarlybirdResponseTransformer.features
+
+  override def transform(candidate: eb.ThriftSearchResult): FeatureMap = {
+
+    val baseFeatures = EarlybirdResponseTransformer.transform(candidate)
+
+    val features = FeatureMapBuilder()
+      .add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.RecycledTweet))
+      .add(SuggestTypeFeature, Some(st.SuggestType.RecycledTweet))
+      .build()
+
+    baseFeatures ++ features
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/BUILD.bazel
index 6fcaddf0f8..91ff12ee1e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/BUILD.bazel
@@ -3,20 +3,18 @@ scala_library(
     compiler_option_sets = ["fatal_warnings"],
     strict_deps = True,
     dependencies = [
-        "3rdparty/jvm/io/opil:tensorflow-serving-client",
-        "cortex-deepbird/thrift/src/main/thrift:thrift-java",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/module",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/common",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap/datarecord",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/util",
         "src/scala/com/twitter/timelines/prediction/features/recap",
-        "src/thrift/com/twitter/timelinescorer:thrift-scala",
+        "timelineservice/common:model",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityDiscountProvider.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityDiscountProvider.scala
index aa292e89ab..62dea87482 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityDiscountProvider.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityDiscountProvider.scala
@@ -1,20 +1,53 @@
 package com.twitter.home_mixer.product.scored_tweets.scorer
 
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
 
 trait DiversityDiscountProvider {
 
+  /**
+   * Fetch the ID of the entity to diversify
+   */
   def entityId(candidate: CandidateWithFeatures[TweetCandidate]): Option[Long]
 
   /**
-   * Compute the discounted score for the position
-   * @param score the previous score for the candidate
-   * @param position zero-based position for the candidate for the given entity
-   * @return the discounted score for the candidate
+   * Compute discount factor for each candidate based on position (zero-based)
+   * relative to other candidates associated with the same entity
    */
-  def discount(score: Double, position: Int): Double
+  def discount(position: Int): Double
+
+  /**
+   * Return candidate IDs sorted by score in descending order
+   */
+  def sort(candidates: Seq[CandidateWithFeatures[TweetCandidate]]): Seq[Long] = candidates
+    .map { candidate =>
+      (candidate.candidate.id, candidate.features.getOrElse(ScoreFeature, None).getOrElse(0.0))
+    }
+    .sortBy(_._2)(Ordering.Double.reverse)
+    .map(_._1)
+
+  /**
+   * Group by the specified entity ID (e.g. authors, likers, followers)
+   * Sort each group by score in descending order
+   * Determine the discount factor based on the position of each candidate
+   */
+  def apply(
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Map[Long, Double] = candidates
+    .groupBy(entityId)
+    .flatMap {
+      case (entityIdOpt, entityCandidates) =>
+        val sortedCandidateIds = sort(entityCandidates)
+
+        if (entityIdOpt.isDefined) {
+          sortedCandidateIds.zipWithIndex.map {
+            case (candidateId, index) =>
+              candidateId -> discount(index)
+          }
+        } else sortedCandidateIds.map(_ -> 1.0)
+    }
 }
 
 object AuthorDiversityDiscountProvider extends DiversityDiscountProvider {
@@ -25,6 +58,6 @@ object AuthorDiversityDiscountProvider extends DiversityDiscountProvider {
     candidate.features.getOrElse(AuthorIdFeature, None)
 
   // Provides an exponential decay based discount by position (with a floor)
-  override def discount(score: Double, position: Int): Double =
-    score * ((1 - Floor) * Math.pow(Decay, position) + Floor)
+  override def discount(position: Int): Double =
+    (1 - Floor) * Math.pow(Decay, position) + Floor
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityScorer.scala
deleted file mode 100644
index 758467717e..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/DiversityScorer.scala
+++ /dev/null
@@ -1,57 +0,0 @@
-package com.twitter.home_mixer.product.scored_tweets.scorer
-
-import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
-import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
-import com.twitter.stitch.Stitch
-
-/**
- * Discounts scores of each consecutive tweet (ordered by score desc) from the
- * same entity (e.g. author, engager, topic) based on the discount factor provided
- */
-
-case class DiversityScorer(diversityDiscountProvider: DiversityDiscountProvider)
-    extends Scorer[ScoredTweetsQuery, TweetCandidate] {
-
-  override val identifier: ScorerIdentifier = ScorerIdentifier("Diversity")
-
-  override val features: Set[Feature[_, _]] = Set(ScoreFeature)
-
-  override def apply(
-    query: ScoredTweetsQuery,
-    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    val candidateIdScoreMap = candidates
-      .groupBy(diversityDiscountProvider.entityId)
-      .flatMap {
-        case (entityIdOpt, entityCandidates) =>
-          val candidateScores = entityCandidates
-            .map { candidate =>
-              val score = candidate.features.getOrElse(ScoreFeature, None).getOrElse(0.0)
-              (candidate.candidate.id, score)
-            }.sortBy(_._2)(Ordering.Double.reverse)
-
-          if (entityIdOpt.isDefined) {
-            candidateScores.zipWithIndex.map {
-              case ((candidateId, score), index) =>
-                candidateId -> diversityDiscountProvider.discount(score, index)
-            }
-          } else candidateScores
-      }
-
-    Stitch.value {
-      candidates.map { candidate =>
-        val score = candidateIdScoreMap.getOrElse(candidate.candidate.id, 0.0)
-        FeatureMapBuilder()
-          .add(ScoreFeature, Some(score))
-          .build()
-      }
-    }
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HeuristicScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HeuristicScorer.scala
new file mode 100644
index 0000000000..765523b531
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HeuristicScorer.scala
@@ -0,0 +1,46 @@
+package com.twitter.home_mixer.product.scored_tweets.scorer
+
+import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.scorer.Scorer
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
+import com.twitter.stitch.Stitch
+
+/**
+ * Apply various heuristics to the model score
+ */
+object HeuristicScorer extends Scorer[ScoredTweetsQuery, TweetCandidate] {
+
+  override val identifier: ScorerIdentifier = ScorerIdentifier("Heuristic")
+
+  override val features: Set[Feature[_, _]] = Set(ScoreFeature)
+
+  override def apply(
+    query: ScoredTweetsQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = {
+    val rescorers = Seq(
+      RescoreOutOfNetwork,
+      RescoreReplies,
+      RescoreBlueVerified,
+      RescoreCreators,
+      RescoreMTLNormalization,
+      RescoreAuthorDiversity(AuthorDiversityDiscountProvider(candidates)),
+      RescoreFeedbackFatigue(query)
+    )
+
+    val updatedScores = candidates.map { candidate =>
+      val score = candidate.features.getOrElse(ScoreFeature, None)
+      val scaleFactor = rescorers.map(_(query, candidate)).product
+      val updatedScore = score.map(_ * scaleFactor)
+      FeatureMapBuilder().add(ScoreFeature, updatedScore).build()
+    }
+
+    Stitch.value(updatedScores)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HomeNaviModelDataRecordScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HomeNaviModelDataRecordScorer.scala
deleted file mode 100644
index 23bf07da6d..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/HomeNaviModelDataRecordScorer.scala
+++ /dev/null
@@ -1,233 +0,0 @@
-package com.twitter.home_mixer.product.scored_tweets.scorer
-
-import com.twitter.dal.personal_data.{thriftjava => pd}
-import com.twitter.finagle.stats.Stat
-import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.Scoring.ModelWeights
-import com.twitter.ml.api.DataRecord
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
-import com.twitter.product_mixer.core.feature.datarecord.BaseDataRecordFeature
-import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
-import com.twitter.product_mixer.core.feature.datarecord.DataRecordOptionalFeature
-import com.twitter.product_mixer.core.feature.datarecord.DoubleDataRecordCompatible
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.datarecord.AllFeatures
-import com.twitter.product_mixer.core.feature.featuremap.datarecord.DataRecordConverter
-import com.twitter.product_mixer.core.feature.featuremap.datarecord.DataRecordExtractor
-import com.twitter.product_mixer.core.feature.featuremap.datarecord.FeaturesScope
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.UniversalNoun
-import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.product_mixer.core.pipeline.pipeline_failure.IllegalStateFailure
-import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
-import com.twitter.product_mixer.core.util.OffloadFuturePools
-import com.twitter.stitch.Stitch
-import com.twitter.timelines.clients.predictionservice.PredictionServiceGRPCClient
-import com.twitter.timelines.configapi.FSBoundedParam
-import com.twitter.timelines.prediction.features.recap.RecapFeatures
-import com.twitter.util.Future
-import com.twitter.util.Return
-
-object CommonFeaturesDataRecordFeature
-    extends DataRecordInAFeature[PipelineQuery]
-    with FeatureWithDefaultOnFailure[PipelineQuery, DataRecord] {
-  override def defaultValue: DataRecord = new DataRecord()
-}
-
-object CandidateFeaturesDataRecordFeature
-    extends DataRecordInAFeature[TweetCandidate]
-    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
-  override def defaultValue: DataRecord = new DataRecord()
-}
-
-case class HomeNaviModelDataRecordScorer[
-  Query <: PipelineQuery,
-  Candidate <: UniversalNoun[Any],
-  CandidateFeatures <: BaseDataRecordFeature[Candidate, _],
-  ResultFeatures <: BaseDataRecordFeature[Candidate, _]
-](
-  override val identifier: ScorerIdentifier,
-  modelClient: PredictionServiceGRPCClient,
-  candidateFeatures: FeaturesScope[CandidateFeatures],
-  resultFeatures: Set[ResultFeatures],
-  statsReceiver: StatsReceiver)
-    extends Scorer[Query, Candidate] {
-
-  require(resultFeatures.nonEmpty, "Result features cannot be empty")
-
-  override val features: Set[Feature[_, _]] =
-    resultFeatures.asInstanceOf[
-      Set[Feature[_, _]]] + CommonFeaturesDataRecordFeature + CandidateFeaturesDataRecordFeature
-
-  private val queryDataRecordAdapter = new DataRecordConverter(AllFeatures())
-  private val candidatesDataRecordAdapter = new DataRecordConverter(candidateFeatures)
-  private val resultDataRecordExtractor = new DataRecordExtractor(resultFeatures)
-
-  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
-  private val failuresStat = scopedStatsReceiver.stat("failures")
-  private val responsesStat = scopedStatsReceiver.stat("responses")
-  private val invalidResponsesSizeCounter = scopedStatsReceiver.counter("invalidResponsesSize")
-  private val candidatesDataRecordAdapterLatencyStat =
-    scopedStatsReceiver.scope("candidatesDataRecordAdapter").stat("latency_ms")
-
-  private val DataRecordConstructionParallelism = 32
-
-  override def apply(
-    query: Query,
-    candidates: Seq[CandidateWithFeatures[Candidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    val commonRecord = query.features.map(queryDataRecordAdapter.toDataRecord)
-    val candidateRecords: Future[Seq[DataRecord]] =
-      Stat.time(candidatesDataRecordAdapterLatencyStat) {
-        OffloadFuturePools.parallelize[FeatureMap, DataRecord](
-          candidates.map(_.features),
-          candidatesDataRecordAdapter.toDataRecord(_),
-          DataRecordConstructionParallelism,
-          new DataRecord
-        )
-      }
-
-    Stitch.callFuture {
-      candidateRecords.flatMap { records =>
-        val predictionResponses =
-          modelClient.getPredictions(
-            records = records,
-            commonFeatures = commonRecord,
-            modelId = Some("Home")
-          )
-
-        predictionResponses.map { responses =>
-          failuresStat.add(responses.count(_.isThrow))
-          responsesStat.add(responses.size)
-
-          if (responses.size == candidates.size) {
-            val predictedScoreFeatureMaps = responses.map {
-              case Return(dataRecord) =>
-                resultDataRecordExtractor.fromDataRecord(dataRecord)
-              case _ =>
-                resultDataRecordExtractor.fromDataRecord(new DataRecord())
-            }
-
-            // add Data Record to feature map, which will be used for logging in later stage
-            predictedScoreFeatureMaps.zip(records).map {
-              case (predictedScoreFeatureMap, candidateRecord) =>
-                predictedScoreFeatureMap +
-                  (key = CandidateFeaturesDataRecordFeature, value = candidateRecord) +
-                  (key = CommonFeaturesDataRecordFeature, value =
-                    commonRecord.getOrElse(new DataRecord()))
-            }
-          } else {
-            invalidResponsesSizeCounter.incr()
-            throw PipelineFailure(IllegalStateFailure, "Result Size mismatched candidates size")
-          }
-        }
-      }
-    }
-  }
-}
-
-/**
- * Features for results returned by Navi user-tweet prediction models.
- */
-object HomeNaviModelDataRecordScorer {
-  val RequestBatchSize = 32
-
-  sealed trait PredictedScoreFeature
-      extends DataRecordOptionalFeature[TweetCandidate, Double]
-      with DoubleDataRecordCompatible {
-    def statName: String
-
-    def modelWeightParam: FSBoundedParam[Double]
-  }
-
-  object PredictedFavoriteScoreFeature extends PredictedScoreFeature {
-    override val featureName: String = RecapFeatures.PREDICTED_IS_FAVORITED.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "fav"
-    override val modelWeightParam = ModelWeights.FavParam
-  }
-
-  object PredictedReplyScoreFeature extends PredictedScoreFeature {
-    override val featureName: String = RecapFeatures.PREDICTED_IS_REPLIED.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "reply"
-    override val modelWeightParam = ModelWeights.ReplyParam
-  }
-
-  object PredictedRetweetScoreFeature extends PredictedScoreFeature {
-    override val featureName: String = RecapFeatures.PREDICTED_IS_RETWEETED.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "retweet"
-    override val modelWeightParam = ModelWeights.RetweetParam
-  }
-
-  object PredictedReplyEngagedByAuthorScoreFeature extends PredictedScoreFeature {
-    override val featureName: String =
-      RecapFeatures.PREDICTED_IS_REPLIED_REPLY_ENGAGED_BY_AUTHOR.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "reply_engaged_by_author"
-    override val modelWeightParam = ModelWeights.ReplyEngagedByAuthorParam
-  }
-
-  object PredictedGoodClickConvoDescFavoritedOrRepliedScoreFeature extends PredictedScoreFeature {
-    override val featureName: String = RecapFeatures.PREDICTED_IS_GOOD_CLICKED_V1.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "good_click_convo_desc_favorited_or_replied"
-    override val modelWeightParam = ModelWeights.GoodClickParam
-  }
-
-  object PredictedGoodClickConvoDescUamGt2ScoreFeature extends PredictedScoreFeature {
-    override val featureName: String = RecapFeatures.PREDICTED_IS_GOOD_CLICKED_V2.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "good_click_convo_desc_uam_gt_2"
-    override val modelWeightParam = ModelWeights.GoodClickV2Param
-  }
-
-  object PredictedNegativeFeedbackV2ScoreFeature extends PredictedScoreFeature {
-    override val featureName: String =
-      RecapFeatures.PREDICTED_IS_NEGATIVE_FEEDBACK_V2.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "negative_feedback_v2"
-    override val modelWeightParam = ModelWeights.NegativeFeedbackV2Param
-  }
-
-  object PredictedGoodProfileClickScoreFeature extends PredictedScoreFeature {
-    override val featureName: String =
-      RecapFeatures.PREDICTED_IS_PROFILE_CLICKED_AND_PROFILE_ENGAGED.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "good_profile_click"
-    override val modelWeightParam = ModelWeights.GoodProfileClickParam
-  }
-
-  object PredictedReportedScoreFeature extends PredictedScoreFeature {
-    override val featureName: String =
-      RecapFeatures.PREDICTED_IS_REPORT_TWEET_CLICKED.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "reported"
-    override val modelWeightParam = ModelWeights.ReportParam
-  }
-
-  object PredictedVideoPlayback50ScoreFeature extends PredictedScoreFeature {
-    override val featureName: String = RecapFeatures.PREDICTED_IS_VIDEO_PLAYBACK_50.getFeatureName
-    override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
-    override val statName = "video_playback_50"
-    override val modelWeightParam = ModelWeights.VideoPlayback50Param
-  }
-
-  val PredictedScoreFeatures: Seq[PredictedScoreFeature] = Seq(
-    PredictedFavoriteScoreFeature,
-    PredictedReplyScoreFeature,
-    PredictedRetweetScoreFeature,
-    PredictedReplyEngagedByAuthorScoreFeature,
-    PredictedGoodClickConvoDescFavoritedOrRepliedScoreFeature,
-    PredictedGoodClickConvoDescUamGt2ScoreFeature,
-    PredictedNegativeFeedbackV2ScoreFeature,
-    PredictedGoodProfileClickScoreFeature,
-    PredictedReportedScoreFeature,
-    PredictedVideoPlayback50ScoreFeature,
-  )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/NaviModelScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/NaviModelScorer.scala
new file mode 100644
index 0000000000..cbde87f73b
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/NaviModelScorer.scala
@@ -0,0 +1,179 @@
+package com.twitter.home_mixer.product.scored_tweets.scorer
+
+import com.twitter.finagle.stats.Stat
+import com.twitter.finagle.stats.StatsReceiver
+import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.WeightedModelScoreFeature
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.scorer.PredictedScoreFeature.PredictedScoreFeatures
+import com.twitter.ml.api.DataRecord
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.FeatureWithDefaultOnFailure
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordInAFeature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.datarecord.AllFeatures
+import com.twitter.product_mixer.core.feature.featuremap.datarecord.DataRecordConverter
+import com.twitter.product_mixer.core.feature.featuremap.datarecord.DataRecordExtractor
+import com.twitter.product_mixer.core.functional_component.scorer.Scorer
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.IllegalStateFailure
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
+import com.twitter.product_mixer.core.util.OffloadFuturePools
+import com.twitter.stitch.Stitch
+import com.twitter.timelines.clients.predictionservice.PredictionGRPCService
+import com.twitter.timelines.clients.predictionservice.PredictionServiceGRPCClient
+import com.twitter.util.Future
+import com.twitter.util.Return
+import javax.inject.Inject
+import javax.inject.Singleton
+
+object CommonFeaturesDataRecordFeature
+    extends DataRecordInAFeature[PipelineQuery]
+    with FeatureWithDefaultOnFailure[PipelineQuery, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+object CandidateFeaturesDataRecordFeature
+    extends DataRecordInAFeature[TweetCandidate]
+    with FeatureWithDefaultOnFailure[TweetCandidate, DataRecord] {
+  override def defaultValue: DataRecord = new DataRecord()
+}
+
+@Singleton
+case class NaviModelScorer @Inject() (
+  predictionGRPCService: PredictionGRPCService,
+  statsReceiver: StatsReceiver)
+    extends Scorer[ScoredTweetsQuery, TweetCandidate] {
+
+  override val identifier: ScorerIdentifier = ScorerIdentifier("NaviModel")
+
+  override val features: Set[Feature[_, _]] = Set(
+    CommonFeaturesDataRecordFeature,
+    CandidateFeaturesDataRecordFeature,
+    WeightedModelScoreFeature,
+    ScoreFeature
+  ) ++ PredictedScoreFeatures.asInstanceOf[Set[Feature[_, _]]]
+
+  private val queryDataRecordAdapter = new DataRecordConverter(AllFeatures())
+  private val candidatesDataRecordAdapter = new DataRecordConverter(AllFeatures())
+  private val resultDataRecordExtractor = new DataRecordExtractor(PredictedScoreFeatures)
+
+  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
+  private val failuresStat = scopedStatsReceiver.stat("failures")
+  private val responsesStat = scopedStatsReceiver.stat("responses")
+  private val invalidResponsesCounter = scopedStatsReceiver.counter("invalidResponses")
+  private val candidatesDataRecordAdapterLatencyStat =
+    scopedStatsReceiver.scope("candidatesDataRecordAdapter").stat("latency_ms")
+
+  private val StatsReadabilityMultiplier = 1000
+  private val Epsilon = 0.001
+  private val PredictedScoreStatName = f"predictedScore${StatsReadabilityMultiplier}x"
+  private val MissingScoreStatName = "missingScore"
+  private val scoreStat = scopedStatsReceiver.stat(f"score${StatsReadabilityMultiplier}x")
+
+  private val RequestBatchSize = 64
+  private val DataRecordConstructionParallelism = 32
+  private val ModelId = "Home"
+
+  private val modelClient = new PredictionServiceGRPCClient(
+    service = predictionGRPCService,
+    statsReceiver = statsReceiver,
+    requestBatchSize = RequestBatchSize,
+    useCompact = false
+  )
+
+  override def apply(
+    query: ScoredTweetsQuery,
+    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
+  ): Stitch[Seq[FeatureMap]] = {
+    val commonRecord = query.features.map(queryDataRecordAdapter.toDataRecord)
+    val candidateRecords: Future[Seq[DataRecord]] =
+      Stat.time(candidatesDataRecordAdapterLatencyStat) {
+        OffloadFuturePools.parallelize[FeatureMap, DataRecord](
+          inputSeq = candidates.map(_.features),
+          transformer = candidatesDataRecordAdapter.toDataRecord(_),
+          parallelism = DataRecordConstructionParallelism,
+          default = new DataRecord
+        )
+      }
+
+    val scoreFeatureMaps = candidateRecords.flatMap { records =>
+      val predictionResponses =
+        modelClient.getPredictions(records, commonRecord, modelId = Some(ModelId))
+
+      predictionResponses.map { responses =>
+        failuresStat.add(responses.count(_.isThrow))
+        responsesStat.add(responses.size)
+
+        if (responses.size == candidates.size) {
+          val predictedScoreFeatureMaps = responses.map {
+            case Return(dataRecord) => resultDataRecordExtractor.fromDataRecord(dataRecord)
+            case _ => resultDataRecordExtractor.fromDataRecord(new DataRecord())
+          }
+
+          // Add Data Record to candidate Feature Map for logging in later stages
+          predictedScoreFeatureMaps.zip(records).map {
+            case (predictedScoreFeatureMap, candidateRecord) =>
+              val weightedModelScore = computeWeightedModelScore(query, predictedScoreFeatureMap)
+              scoreStat.add((weightedModelScore * StatsReadabilityMultiplier).toFloat)
+
+              predictedScoreFeatureMap +
+                (CandidateFeaturesDataRecordFeature, candidateRecord) +
+                (CommonFeaturesDataRecordFeature, commonRecord.getOrElse(new DataRecord())) +
+                (ScoreFeature, Some(weightedModelScore)) +
+                (WeightedModelScoreFeature, Some(weightedModelScore))
+          }
+        } else {
+          invalidResponsesCounter.incr()
+          throw PipelineFailure(IllegalStateFailure, "Result size mismatched candidates size")
+        }
+      }
+    }
+
+    Stitch.callFuture(scoreFeatureMaps)
+  }
+
+  /**
+   * Compute the weighted sum of predicted scores of all engagements
+   * Convert negative score to positive, if needed
+   */
+  private def computeWeightedModelScore(
+    query: PipelineQuery,
+    features: FeatureMap
+  ): Double = {
+    val weightedScoreAndModelWeightSeq = PredictedScoreFeatures.toSeq.map { predictedScoreFeature =>
+      val predictedScoreOpt = predictedScoreFeature.extractScore(features)
+
+      predictedScoreOpt match {
+        case Some(predictedScore) =>
+          scopedStatsReceiver
+            .stat(predictedScoreFeature.statName, PredictedScoreStatName)
+            .add((predictedScore * StatsReadabilityMultiplier).toFloat)
+        case None =>
+          scopedStatsReceiver.counter(predictedScoreFeature.statName, MissingScoreStatName).incr()
+      }
+
+      val weight = query.params(predictedScoreFeature.modelWeightParam)
+      val weightedScore = predictedScoreOpt.getOrElse(0.0) * weight
+      (weightedScore, weight)
+    }
+
+    val (weightedScores, modelWeights) = weightedScoreAndModelWeightSeq.unzip
+    val combinedScoreSum = weightedScores.sum
+
+    val positiveModelWeightsSum = modelWeights.filter(_ > 0.0).sum
+    val negativeModelWeightsSum = modelWeights.filter(_ < 0).sum.abs
+    val modelWeightsSum = positiveModelWeightsSum + negativeModelWeightsSum
+
+    val weightedScoresSum =
+      if (modelWeightsSum == 0) combinedScoreSum.max(0.0)
+      else if (combinedScoreSum < 0)
+        (combinedScoreSum + negativeModelWeightsSum) / modelWeightsSum * Epsilon
+      else combinedScoreSum + Epsilon
+
+    weightedScoresSum
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/PredictedScoreFeature.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/PredictedScoreFeature.scala
new file mode 100644
index 0000000000..f24223a99d
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/PredictedScoreFeature.scala
@@ -0,0 +1,166 @@
+package com.twitter.home_mixer.product.scored_tweets.scorer
+
+import com.twitter.dal.personal_data.{thriftjava => pd}
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.Scoring.ModelWeights
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.datarecord.DataRecordOptionalFeature
+import com.twitter.product_mixer.core.feature.datarecord.DoubleDataRecordCompatible
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.timelines.configapi.FSBoundedParam
+import com.twitter.timelines.prediction.features.recap.RecapFeatures
+
+sealed trait PredictedScoreFeature
+    extends DataRecordOptionalFeature[TweetCandidate, Double]
+    with DoubleDataRecordCompatible {
+
+  override val personalDataTypes: Set[pd.PersonalDataType] = Set.empty
+  def statName: String
+  def modelWeightParam: FSBoundedParam[Double]
+  def extractScore: FeatureMap => Option[Double] = _.getOrElse(this, None)
+}
+
+object PredictedFavoriteScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_FAVORITED.getFeatureName
+  override val statName = "fav"
+  override val modelWeightParam = ModelWeights.FavParam
+}
+
+object PredictedReplyScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_REPLIED.getFeatureName
+  override val statName = "reply"
+  override val modelWeightParam = ModelWeights.ReplyParam
+}
+
+object PredictedRetweetScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_RETWEETED.getFeatureName
+  override val statName = "retweet"
+  override val modelWeightParam = ModelWeights.RetweetParam
+}
+
+object PredictedReplyEngagedByAuthorScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_REPLIED_REPLY_ENGAGED_BY_AUTHOR.getFeatureName
+  override val statName = "reply_engaged_by_author"
+  override val modelWeightParam = ModelWeights.ReplyEngagedByAuthorParam
+}
+
+object PredictedGoodClickConvoDescFavoritedOrRepliedScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_GOOD_CLICKED_V1.getFeatureName
+  override val statName = "good_click_convo_desc_favorited_or_replied"
+  override val modelWeightParam = ModelWeights.GoodClickParam
+
+  override def extractScore: FeatureMap => Option[Double] = { featureMap =>
+    val goodClickV1Opt = featureMap.getOrElse(this, None)
+    val goodClickV2Opt = featureMap.getOrElse(PredictedGoodClickConvoDescUamGt2ScoreFeature, None)
+
+    (goodClickV1Opt, goodClickV2Opt) match {
+      case (Some(v1Score), Some(v2Score)) => Some(Math.max(v1Score, v2Score))
+      case _ => goodClickV1Opt.orElse(goodClickV2Opt)
+    }
+  }
+}
+
+object PredictedGoodClickConvoDescUamGt2ScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_GOOD_CLICKED_V2.getFeatureName
+  override val statName = "good_click_convo_desc_uam_gt_2"
+  override val modelWeightParam = ModelWeights.GoodClickV2Param
+}
+
+object PredictedGoodProfileClickScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_PROFILE_CLICKED_AND_PROFILE_ENGAGED.getFeatureName
+  override val statName = "good_profile_click"
+  override val modelWeightParam = ModelWeights.GoodProfileClickParam
+}
+
+object PredictedVideoPlayback50ScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_VIDEO_PLAYBACK_50.getFeatureName
+  override val statName = "video_playback_50"
+  override val modelWeightParam = ModelWeights.VideoPlayback50Param
+}
+
+object PredictedTweetDetailDwellScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_TWEET_DETAIL_DWELLED_15_SEC.getFeatureName
+  override val statName = "tweet_detail_dwell"
+  override val modelWeightParam = ModelWeights.TweetDetailDwellParam
+}
+
+object PredictedProfileDwelledScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_PROFILE_DWELLED_20_SEC.getFeatureName
+  override val statName = "profile_dwell"
+  override val modelWeightParam = ModelWeights.ProfileDwelledParam
+}
+
+object PredictedBookmarkScoreFeature extends PredictedScoreFeature {
+  override val featureName: String = RecapFeatures.PREDICTED_IS_BOOKMARKED.getFeatureName
+  override val statName = "bookmark"
+  override val modelWeightParam = ModelWeights.BookmarkParam
+}
+
+object PredictedShareScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_SHARED.getFeatureName
+  override val statName = "share"
+  override val modelWeightParam = ModelWeights.ShareParam
+}
+
+object PredictedShareMenuClickScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_SHARE_MENU_CLICKED.getFeatureName
+  override val statName = "share_menu_click"
+  override val modelWeightParam = ModelWeights.ShareMenuClickParam
+}
+
+// Negative Engagements
+object PredictedNegativeFeedbackV2ScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_NEGATIVE_FEEDBACK_V2.getFeatureName
+  override val statName = "negative_feedback_v2"
+  override val modelWeightParam = ModelWeights.NegativeFeedbackV2Param
+}
+
+object PredictedReportedScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_REPORT_TWEET_CLICKED.getFeatureName
+  override val statName = "reported"
+  override val modelWeightParam = ModelWeights.ReportParam
+}
+
+object PredictedStrongNegativeFeedbackScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_STRONG_NEGATIVE_FEEDBACK.getFeatureName
+  override val statName = "strong_negative_feedback"
+  override val modelWeightParam = ModelWeights.StrongNegativeFeedbackParam
+}
+
+object PredictedWeakNegativeFeedbackScoreFeature extends PredictedScoreFeature {
+  override val featureName: String =
+    RecapFeatures.PREDICTED_IS_WEAK_NEGATIVE_FEEDBACK.getFeatureName
+  override val statName = "weak_negative_feedback"
+  override val modelWeightParam = ModelWeights.WeakNegativeFeedbackParam
+}
+
+object PredictedScoreFeature {
+  val PredictedScoreFeatures: Set[PredictedScoreFeature] = Set(
+    PredictedFavoriteScoreFeature,
+    PredictedReplyScoreFeature,
+    PredictedRetweetScoreFeature,
+    PredictedReplyEngagedByAuthorScoreFeature,
+    PredictedGoodClickConvoDescFavoritedOrRepliedScoreFeature,
+    PredictedGoodClickConvoDescUamGt2ScoreFeature,
+    PredictedGoodProfileClickScoreFeature,
+    PredictedVideoPlayback50ScoreFeature,
+    PredictedTweetDetailDwellScoreFeature,
+    PredictedProfileDwelledScoreFeature,
+    PredictedBookmarkScoreFeature,
+    PredictedShareScoreFeature,
+    PredictedShareMenuClickScoreFeature,
+    // Negative Engagements
+    PredictedNegativeFeedbackV2ScoreFeature,
+    PredictedReportedScoreFeature,
+    PredictedStrongNegativeFeedbackScoreFeature,
+    PredictedWeakNegativeFeedbackScoreFeature,
+  )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/RescoringFactorProvider.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/RescoringFactorProvider.scala
new file mode 100644
index 0000000000..d9538b66d7
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/RescoringFactorProvider.scala
@@ -0,0 +1,180 @@
+package com.twitter.home_mixer.product.scored_tweets.scorer
+
+import com.twitter.home_mixer.functional_component.scorer.FeedbackFatigueScorer
+import com.twitter.home_mixer.model.HomeFeatures
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsBlueVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsCreatorFeature
+import com.twitter.home_mixer.model.HomeFeatures.FeedbackHistoryFeature
+import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.BlueVerifiedAuthorInNetworkMultiplierParam
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.BlueVerifiedAuthorOutOfNetworkMultiplierParam
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CreatorInNetworkMultiplierParam
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.CreatorOutOfNetworkMultiplierParam
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.OutOfNetworkScaleFactorParam
+import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.timelineservice.{thriftscala => tls}
+
+trait RescoringFactorProvider {
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double
+
+  def apply(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate],
+  ): Double = if (selector(candidate)) factor(query, candidate) else 1.0
+}
+
+/**
+ * Re-scoring multiplier to apply to authors who are eligible subscription content creators
+ */
+object RescoreCreators extends RescoringFactorProvider {
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean =
+    candidate.features.getOrElse(AuthorIsCreatorFeature, false) &&
+      CandidatesUtil.isOriginalTweet(candidate)
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double =
+    if (candidate.features.getOrElse(InNetworkFeature, false))
+      query.params(CreatorInNetworkMultiplierParam)
+    else query.params(CreatorOutOfNetworkMultiplierParam)
+}
+
+/**
+ * Re-scoring multiplier to apply to authors who are verified by Twitter Blue
+ */
+object RescoreBlueVerified extends RescoringFactorProvider {
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean =
+    candidate.features.getOrElse(AuthorIsBlueVerifiedFeature, false) &&
+      CandidatesUtil.isOriginalTweet(candidate)
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double =
+    if (candidate.features.getOrElse(InNetworkFeature, false))
+      query.params(BlueVerifiedAuthorInNetworkMultiplierParam)
+    else query.params(BlueVerifiedAuthorOutOfNetworkMultiplierParam)
+}
+
+/**
+ * Re-scoring multiplier to apply to out-of-network tweets
+ */
+object RescoreOutOfNetwork extends RescoringFactorProvider {
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean =
+    !candidate.features.getOrElse(InNetworkFeature, false)
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double = query.params(OutOfNetworkScaleFactorParam)
+}
+
+/**
+ * Re-scoring multiplier to apply to reply candidates
+ */
+object RescoreReplies extends RescoringFactorProvider {
+
+  private val ScaleFactor = 0.75
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean =
+    candidate.features.getOrElse(InReplyToTweetIdFeature, None).isDefined
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double = ScaleFactor
+}
+
+/**
+ * Re-scoring multiplier to calibrate multi-tasks learning model prediction
+ */
+object RescoreMTLNormalization extends RescoringFactorProvider {
+
+  private val ScaleFactor = 1.0
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean = {
+    candidate.features.contains(HomeFeatures.FocalTweetAuthorIdFeature)
+  }
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double = ScaleFactor
+}
+
+/**
+ * Re-scoring multiplier to apply to multiple tweets from the same author
+ */
+case class RescoreAuthorDiversity(diversityDiscounts: Map[Long, Double])
+    extends RescoringFactorProvider {
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean =
+    diversityDiscounts.contains(candidate.candidate.id)
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double = diversityDiscounts(candidate.candidate.id)
+}
+
+case class RescoreFeedbackFatigue(query: PipelineQuery) extends RescoringFactorProvider {
+
+  def selector(candidate: CandidateWithFeatures[TweetCandidate]): Boolean = true
+
+  private val feedbackEntriesByEngagementType =
+    query.features
+      .getOrElse(FeatureMap.empty).getOrElse(FeedbackHistoryFeature, Seq.empty)
+      .filter { entry =>
+        val timeSinceFeedback = query.queryTime.minus(entry.timestamp)
+        timeSinceFeedback < FeedbackFatigueScorer.DurationForFiltering + FeedbackFatigueScorer.DurationForDiscounting &&
+        entry.feedbackType == tls.FeedbackType.SeeFewer
+      }.groupBy(_.engagementType)
+
+  private val authorsToDiscount =
+    FeedbackFatigueScorer.getUserDiscounts(
+      query.queryTime,
+      feedbackEntriesByEngagementType.getOrElse(tls.FeedbackEngagementType.Tweet, Seq.empty))
+
+  private val likersToDiscount =
+    FeedbackFatigueScorer.getUserDiscounts(
+      query.queryTime,
+      feedbackEntriesByEngagementType.getOrElse(tls.FeedbackEngagementType.Like, Seq.empty))
+
+  private val followersToDiscount =
+    FeedbackFatigueScorer.getUserDiscounts(
+      query.queryTime,
+      feedbackEntriesByEngagementType.getOrElse(tls.FeedbackEngagementType.Follow, Seq.empty))
+
+  private val retweetersToDiscount =
+    FeedbackFatigueScorer.getUserDiscounts(
+      query.queryTime,
+      feedbackEntriesByEngagementType.getOrElse(tls.FeedbackEngagementType.Retweet, Seq.empty))
+
+  def factor(
+    query: PipelineQuery,
+    candidate: CandidateWithFeatures[TweetCandidate]
+  ): Double = {
+    FeedbackFatigueScorer.getScoreMultiplier(
+      candidate,
+      authorsToDiscount,
+      likersToDiscount,
+      followersToDiscount,
+      retweetersToDiscount
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/WeightedScoresSumScorer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/WeightedScoresSumScorer.scala
deleted file mode 100644
index 9f937448f5..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer/WeightedScoresSumScorer.scala
+++ /dev/null
@@ -1,91 +0,0 @@
-package com.twitter.home_mixer.product.scored_tweets.scorer
-
-import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
-import com.twitter.home_mixer.model.HomeFeatures.WeightedModelScoreFeature
-import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.core.feature.Feature
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
-import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
-import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
-import com.twitter.product_mixer.core.pipeline.PipelineQuery
-import com.twitter.stitch.Stitch
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class WeightedScoresSumScorer @Inject() (statsReceiver: StatsReceiver)
-    extends Scorer[ScoredTweetsQuery, TweetCandidate] {
-
-  override val identifier: ScorerIdentifier = ScorerIdentifier("WeightedScoresSum")
-
-  override val features: Set[Feature[_, _]] = Set(WeightedModelScoreFeature, ScoreFeature)
-
-  private val StatsReadabilityMultiplier = 1000
-  private val Epsilon = 0.001
-  private val PredictedScoreStatName = f"predicted_score_${StatsReadabilityMultiplier}x"
-  private val MissingScoreStatName = "missing_score"
-
-  private val scopedStatsProvider = statsReceiver.scope(getClass.getSimpleName)
-  private val scoreStat = scopedStatsProvider.stat(f"score_${StatsReadabilityMultiplier}x")
-
-  override def apply(
-    query: ScoredTweetsQuery,
-    candidates: Seq[CandidateWithFeatures[TweetCandidate]]
-  ): Stitch[Seq[FeatureMap]] = {
-    val features = candidates.map { candidate =>
-      val score = weightedModelScore(query, candidate.features)
-      scoreStat.add((score * StatsReadabilityMultiplier).toFloat)
-      FeatureMapBuilder()
-        .add(WeightedModelScoreFeature, Some(score))
-        .add(ScoreFeature, Some(score))
-        .build()
-    }
-
-    Stitch.value(features)
-  }
-
-  /**
-   * (1) compute weighted sum of predicted scores of all engagements
-   * (2) convert negative score to positive score if needed
-   */
-  private def weightedModelScore(
-    query: PipelineQuery,
-    features: FeatureMap
-  ): Double = {
-    val weightedScoreAndModelWeightSeq: Seq[(Double, Double)] =
-      HomeNaviModelDataRecordScorer.PredictedScoreFeatures.map { scoreFeature =>
-        val predictedScoreOpt = features.getOrElse(scoreFeature, None)
-
-        predictedScoreOpt match {
-          case Some(predictedScore) =>
-            scopedStatsProvider
-              .stat(scoreFeature.statName, PredictedScoreStatName)
-              .add((predictedScore * StatsReadabilityMultiplier).toFloat)
-          case None =>
-            scopedStatsProvider.counter(scoreFeature.statName, MissingScoreStatName).incr()
-        }
-
-        val weight = query.params(scoreFeature.modelWeightParam)
-        (predictedScoreOpt.getOrElse(0.0) * weight, weight)
-      }
-
-    val (weightedScores, modelWeights) = weightedScoreAndModelWeightSeq.unzip
-    val combinedScoreSum = weightedScores.sum
-
-    val positiveModelWeightsSum = modelWeights.filter(_ > 0.0).sum
-    val negativeModelWeightsSum = modelWeights.filter(_ < 0).sum.abs
-    val modelWeightsSum = positiveModelWeightsSum + negativeModelWeightsSum
-
-    val weightedScoresSum =
-      if (modelWeightsSum == 0) combinedScoreSum.max(0.0)
-      else if (combinedScoreSum < 0)
-        (combinedScoreSum + negativeModelWeightsSum) / modelWeightsSum * Epsilon
-      else combinedScoreSum + Epsilon
-
-    weightedScoresSum
-  }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/BUILD.bazel
index fcd1bbda88..a7fccd8ff0 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/BUILD.bazel
@@ -4,30 +4,22 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/javax/inject:javax.inject",
-        "finatra/inject/inject-core/src/main/scala",
-        "finatra/inject/inject-core/src/main/scala/com/twitter/inject",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/offline_aggregates",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/real_time_aggregates",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/scorer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/module",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/candidate_pipeline",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/offline_aggregates",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/real_time_aggregates",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/common",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/tweet_tlx",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/selector",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap/datarecord",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/scoring",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product/guice",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsDiversityScoringPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsDiversityScoringPipelineConfig.scala
deleted file mode 100644
index 3a202f5941..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsDiversityScoringPipelineConfig.scala
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.twitter.home_mixer.product.scored_tweets.scoring_pipeline
-
-import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
-import com.twitter.home_mixer.product.scored_tweets.scorer.AuthorDiversityDiscountProvider
-import com.twitter.home_mixer.product.scored_tweets.scorer.DiversityScorer
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.component_library.selector.InsertAppendResults
-import com.twitter.product_mixer.core.functional_component.common.AllPipelines
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.functional_component.selector.Selector
-import com.twitter.product_mixer.core.model.common.identifier.ScoringPipelineIdentifier
-import com.twitter.product_mixer.core.pipeline.scoring.ScoringPipelineConfig
-
-object ScoredTweetsDiversityScoringPipelineConfig
-    extends ScoringPipelineConfig[ScoredTweetsQuery, TweetCandidate] {
-
-  override val identifier: ScoringPipelineIdentifier =
-    ScoringPipelineIdentifier("ScoredTweetsDiversity")
-
-  override val selectors: Seq[Selector[ScoredTweetsQuery]] =
-    Seq(InsertAppendResults(AllPipelines))
-
-  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] =
-    Seq(DiversityScorer(AuthorDiversityDiscountProvider))
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreOONScoringPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsHeuristicScoringPipelineConfig.scala
similarity index 73%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreOONScoringPipelineConfig.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsHeuristicScoringPipelineConfig.scala
index 71d53d2ec3..aedfc15b50 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreOONScoringPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsHeuristicScoringPipelineConfig.scala
@@ -1,7 +1,7 @@
 package com.twitter.home_mixer.product.scored_tweets.scoring_pipeline
 
-import com.twitter.home_mixer.functional_component.scorer.OONTweetScalingScorer
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.scorer.HeuristicScorer
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.component_library.selector.InsertAppendResults
 import com.twitter.product_mixer.core.functional_component.common.AllPipelines
@@ -10,14 +10,14 @@ import com.twitter.product_mixer.core.functional_component.selector.Selector
 import com.twitter.product_mixer.core.model.common.identifier.ScoringPipelineIdentifier
 import com.twitter.product_mixer.core.pipeline.scoring.ScoringPipelineConfig
 
-object ScoredTweetsRescoreOONScoringPipelineConfig
+object ScoredTweetsHeuristicScoringPipelineConfig
     extends ScoringPipelineConfig[ScoredTweetsQuery, TweetCandidate] {
 
   override val identifier: ScoringPipelineIdentifier =
-    ScoringPipelineIdentifier("ScoredTweetsRescoreOON")
+    ScoringPipelineIdentifier("ScoredTweetsHeuristic")
 
-  override val selectors: Seq[Selector[ScoredTweetsQuery]] =
-    Seq(InsertAppendResults(AllPipelines))
+  override val selectors: Seq[Selector[ScoredTweetsQuery]] = Seq(InsertAppendResults(AllPipelines))
 
-  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] = Seq(OONTweetScalingScorer)
+  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] =
+    Seq(HeuristicScorer)
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsScoringPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsModelScoringPipelineConfig.scala
similarity index 54%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsScoringPipelineConfig.scala
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsModelScoringPipelineConfig.scala
index 6d2b35c19b..ab1b49a83e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsScoringPipelineConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsModelScoringPipelineConfig.scala
@@ -1,79 +1,110 @@
 package com.twitter.home_mixer.product.scored_tweets.scoring_pipeline
 
-import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.home_mixer.functional_component.feature_hydrator._
-import com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates.Phase1EdgeAggregateFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.offline_aggregates.Phase2EdgeAggregateFeatureHydrator
-import com.twitter.home_mixer.functional_component.feature_hydrator.real_time_aggregates._
 import com.twitter.home_mixer.model.HomeFeatures.EarlybirdScoreFeature
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.CachedScoredTweetsCandidatePipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsCrMixerCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsBackfillCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsFrsCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsInNetworkCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsListsCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsPopularVideosCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsTweetMixerCandidatePipelineConfig
 import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.ScoredTweetsUtegCandidatePipelineConfig
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.AncestorFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.AuthorFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.AuthorIsCreatorFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.EarlybirdFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.GizmoduckAuthorFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.GraphTwoHopFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.MetricCenterUserCountingFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RealGraphViewerAuthorFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RealGraphViewerRelatedUsersFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.RealTimeInteractionGraphEdgeFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.SimClustersEngagementSimilarityFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.SimClustersUserTweetScoresHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TSPInferredTopicFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetMetaDataFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetTimeFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TweetypieContentFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.TwhinAuthorFollowFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.UtegFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.Phase1EdgeAggregateFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.offline_aggregates.Phase2EdgeAggregateFeatureHydrator
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.real_time_aggregates._
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.QualityFactor
-import com.twitter.home_mixer.product.scored_tweets.scorer.HomeNaviModelDataRecordScorer
+import com.twitter.home_mixer.product.scored_tweets.scorer.NaviModelScorer
+import com.twitter.home_mixer.util.CandidatesUtil
 import com.twitter.product_mixer.component_library.gate.NonEmptyCandidatesGate
 import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
 import com.twitter.product_mixer.component_library.selector.DropMaxCandidates
 import com.twitter.product_mixer.component_library.selector.InsertAppendResults
 import com.twitter.product_mixer.component_library.selector.UpdateSortCandidates
-import com.twitter.product_mixer.core.feature.featuremap.datarecord.AllFeatures
 import com.twitter.product_mixer.core.functional_component.common.AllExceptPipelines
+import com.twitter.product_mixer.core.functional_component.common.SpecificPipeline
 import com.twitter.product_mixer.core.functional_component.common.SpecificPipelines
 import com.twitter.product_mixer.core.functional_component.feature_hydrator.BaseCandidateFeatureHydrator
 import com.twitter.product_mixer.core.functional_component.gate.BaseGate
 import com.twitter.product_mixer.core.functional_component.scorer.Scorer
 import com.twitter.product_mixer.core.functional_component.selector.Selector
-import com.twitter.product_mixer.core.model.common.identifier.ScorerIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
 import com.twitter.product_mixer.core.model.common.identifier.ScoringPipelineIdentifier
 import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
 import com.twitter.product_mixer.core.model.common.presentation.ItemCandidateWithDetails
 import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
 import com.twitter.product_mixer.core.pipeline.pipeline_failure.UnexpectedCandidateResult
 import com.twitter.product_mixer.core.pipeline.scoring.ScoringPipelineConfig
-import com.twitter.timelines.clients.predictionservice.PredictionGRPCService
-import com.twitter.timelines.clients.predictionservice.PredictionServiceGRPCClient
+import com.twitter.timelines.configapi.Param
+
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class ScoredTweetsScoringPipelineConfig @Inject() (
+class ScoredTweetsModelScoringPipelineConfig @Inject() (
+  // candidate sources
   scoredTweetsInNetworkCandidatePipelineConfig: ScoredTweetsInNetworkCandidatePipelineConfig,
   scoredTweetsUtegCandidatePipelineConfig: ScoredTweetsUtegCandidatePipelineConfig,
-  scoredTweetsCrMixerCandidatePipelineConfig: ScoredTweetsCrMixerCandidatePipelineConfig,
+  scoredTweetsTweetMixerCandidatePipelineConfig: ScoredTweetsTweetMixerCandidatePipelineConfig,
   scoredTweetsFrsCandidatePipelineConfig: ScoredTweetsFrsCandidatePipelineConfig,
-  predictionGRPCService: PredictionGRPCService,
+  scoredTweetsListsCandidatePipelineConfig: ScoredTweetsListsCandidatePipelineConfig,
+  scoredTweetsPopularVideosCandidatePipelineConfig: ScoredTweetsPopularVideosCandidatePipelineConfig,
+  scoredTweetsBackfillCandidatePipelineConfig: ScoredTweetsBackfillCandidatePipelineConfig,
+  // feature hydrators
   ancestorFeatureHydrator: AncestorFeatureHydrator,
   authorFeatureHydrator: AuthorFeatureHydrator,
+  authorIsCreatorFeatureHydrator: AuthorIsCreatorFeatureHydrator,
   earlybirdFeatureHydrator: EarlybirdFeatureHydrator,
-  metricCenterUserCountingFeatureHydrator: MetricCenterUserCountingFeatureHydrator,
-  tweetypieContentFeatureHydrator: TweetypieContentFeatureHydrator,
-  gizmoduckAuthorSafetyFeatureHydrator: GizmoduckAuthorSafetyFeatureHydrator,
+  gizmoduckAuthorSafetyFeatureHydrator: GizmoduckAuthorFeatureHydrator,
   graphTwoHopFeatureHydrator: GraphTwoHopFeatureHydrator,
-  socialGraphServiceFeatureHydrator: SocialGraphServiceFeatureHydrator,
-  twhinAuthorFollow20220101FeatureHydrator: TwhinAuthorFollow20220101FeatureHydrator,
-  userFollowedTopicIdsFeatureHydrator: UserFollowedTopicIdsFeatureHydrator,
-  utegFeatureHydrator: UtegFeatureHydrator,
+  metricCenterUserCountingFeatureHydrator: MetricCenterUserCountingFeatureHydrator,
+  perspectiveFilteredSocialContextFeatureHydrator: PerspectiveFilteredSocialContextFeatureHydrator,
   realGraphViewerAuthorFeatureHydrator: RealGraphViewerAuthorFeatureHydrator,
   realGraphViewerRelatedUsersFeatureHydrator: RealGraphViewerRelatedUsersFeatureHydrator,
   realTimeInteractionGraphEdgeFeatureHydrator: RealTimeInteractionGraphEdgeFeatureHydrator,
+  sgsValidSocialContextFeatureHydrator: SGSValidSocialContextFeatureHydrator,
+  simClustersEngagementSimilarityFeatureHydrator: SimClustersEngagementSimilarityFeatureHydrator,
+  simClustersUserTweetScoresHydrator: SimClustersUserTweetScoresHydrator,
+  tspInferredTopicFeatureHydrator: TSPInferredTopicFeatureHydrator,
+  tweetypieContentFeatureHydrator: TweetypieContentFeatureHydrator,
+  twhinAuthorFollowFeatureHydrator: TwhinAuthorFollowFeatureHydrator,
+  utegFeatureHydrator: UtegFeatureHydrator,
+  // real time aggregate feature hydrators
   engagementsReceivedByAuthorRealTimeAggregateFeatureHydrator: EngagementsReceivedByAuthorRealTimeAggregateFeatureHydrator,
   topicCountryEngagementRealTimeAggregateFeatureHydrator: TopicCountryEngagementRealTimeAggregateFeatureHydrator,
   topicEngagementRealTimeAggregateFeatureHydrator: TopicEngagementRealTimeAggregateFeatureHydrator,
-  tspInferredTopicFeatureHydrator: TSPInferredTopicFeatureHydrator,
   tweetCountryEngagementRealTimeAggregateFeatureHydrator: TweetCountryEngagementRealTimeAggregateFeatureHydrator,
   tweetEngagementRealTimeAggregateFeatureHydrator: TweetEngagementRealTimeAggregateFeatureHydrator,
   twitterListEngagementRealTimeAggregateFeatureHydrator: TwitterListEngagementRealTimeAggregateFeatureHydrator,
   userAuthorEngagementRealTimeAggregateFeatureHydrator: UserAuthorEngagementRealTimeAggregateFeatureHydrator,
-  simClustersEngagementSimilarityFeatureHydrator: SimClustersEngagementSimilarityFeatureHydrator,
+  // offline aggregate feature hydrators
   phase1EdgeAggregateFeatureHydrator: Phase1EdgeAggregateFeatureHydrator,
   phase2EdgeAggregateFeatureHydrator: Phase2EdgeAggregateFeatureHydrator,
-  statsReceiver: StatsReceiver)
+  // model
+  naviModelScorer: NaviModelScorer)
     extends ScoringPipelineConfig[ScoredTweetsQuery, TweetCandidate] {
 
-  override val identifier: ScoringPipelineIdentifier = ScoringPipelineIdentifier("ScoredTweets")
+  override val identifier: ScoringPipelineIdentifier =
+    ScoringPipelineIdentifier("ScoredTweetsModel")
 
   private val nonCachedScoringPipelineScope = AllExceptPipelines(
     pipelinesToExclude = Set(CachedScoredTweetsCandidatePipelineConfig.Identifier)
@@ -96,19 +127,51 @@ class ScoredTweetsScoringPipelineConfig @Inject() (
       case _ => throw PipelineFailure(UnexpectedCandidateResult, "Invalid candidate type")
     }
 
+  private def qualityFactorDropMaxCandidates(
+    pipelineIdentifier: CandidatePipelineIdentifier,
+    qualityFactorParam: Param[Int]
+  ): DropMaxCandidates[ScoredTweetsQuery] = {
+    new DropMaxCandidates(
+      pipelineScope = SpecificPipelines(pipelineIdentifier),
+      maxSelector = (query, _, _) =>
+        (query.getQualityFactorCurrentValue(identifier) *
+          query.params(qualityFactorParam)).toInt
+    )
+  }
+
   override val selectors: Seq[Selector[ScoredTweetsQuery]] = Seq(
     UpdateSortCandidates(SpecificPipelines(earlybirdScorePipelineScope), earlybirdScoreOrdering),
-    new DropMaxCandidates(
-      pipelineScope = SpecificPipelines(earlybirdScorePipelineScope),
-      maxSelector = (query, _, _) =>
-        (query.getQualityFactorCurrentValue(identifier) *
-          query.params(QualityFactor.MaxTweetsToScoreParam)).toInt
+    UpdateSortCandidates(
+      SpecificPipeline(scoredTweetsBackfillCandidatePipelineConfig.identifier),
+      CandidatesUtil.reverseChronTweetsOrdering
     ),
-    new DropMaxCandidates(
-      pipelineScope = SpecificPipelines(scoredTweetsCrMixerCandidatePipelineConfig.identifier),
-      maxSelector = (query, _, _) =>
-        (query.getQualityFactorCurrentValue(identifier) *
-          query.params(QualityFactor.CrMixerMaxTweetsToScoreParam)).toInt
+    qualityFactorDropMaxCandidates(
+      scoredTweetsInNetworkCandidatePipelineConfig.identifier,
+      QualityFactor.InNetworkMaxTweetsToScoreParam
+    ),
+    qualityFactorDropMaxCandidates(
+      scoredTweetsUtegCandidatePipelineConfig.identifier,
+      QualityFactor.UtegMaxTweetsToScoreParam
+    ),
+    qualityFactorDropMaxCandidates(
+      scoredTweetsFrsCandidatePipelineConfig.identifier,
+      QualityFactor.FrsMaxTweetsToScoreParam
+    ),
+    qualityFactorDropMaxCandidates(
+      scoredTweetsTweetMixerCandidatePipelineConfig.identifier,
+      QualityFactor.TweetMixerMaxTweetsToScoreParam
+    ),
+    qualityFactorDropMaxCandidates(
+      scoredTweetsListsCandidatePipelineConfig.identifier,
+      QualityFactor.ListsMaxTweetsToScoreParam
+    ),
+    qualityFactorDropMaxCandidates(
+      scoredTweetsPopularVideosCandidatePipelineConfig.identifier,
+      QualityFactor.PopularVideosMaxTweetsToScoreParam
+    ),
+    qualityFactorDropMaxCandidates(
+      scoredTweetsBackfillCandidatePipelineConfig.identifier,
+      QualityFactor.BackfillMaxTweetsToScoreParam
     ),
     // Select candidates for Heavy Ranker Feature Hydration and Scoring
     InsertAppendResults(nonCachedScoringPipelineScope)
@@ -117,24 +180,25 @@ class ScoredTweetsScoringPipelineConfig @Inject() (
   override val preScoringFeatureHydrationPhase1: Seq[
     BaseCandidateFeatureHydrator[ScoredTweetsQuery, TweetCandidate, _]
   ] = Seq(
+    TweetMetaDataFeatureHydrator,
     ancestorFeatureHydrator,
     authorFeatureHydrator,
+    authorIsCreatorFeatureHydrator,
     earlybirdFeatureHydrator,
     gizmoduckAuthorSafetyFeatureHydrator,
     graphTwoHopFeatureHydrator,
     metricCenterUserCountingFeatureHydrator,
-    socialGraphServiceFeatureHydrator,
-    TweetMetaDataFeatureHydrator,
-    tweetypieContentFeatureHydrator,
-    twhinAuthorFollow20220101FeatureHydrator,
-    userFollowedTopicIdsFeatureHydrator,
-    utegFeatureHydrator,
     realTimeInteractionGraphEdgeFeatureHydrator,
     realGraphViewerAuthorFeatureHydrator,
+    simClustersEngagementSimilarityFeatureHydrator,
+    simClustersUserTweetScoresHydrator,
+    InNetworkFeatureHydrator,
+    tspInferredTopicFeatureHydrator,
+    tweetypieContentFeatureHydrator,
+    twhinAuthorFollowFeatureHydrator,
+    utegFeatureHydrator,
     // real time aggregates
     engagementsReceivedByAuthorRealTimeAggregateFeatureHydrator,
-    simClustersEngagementSimilarityFeatureHydrator,
-    tspInferredTopicFeatureHydrator,
     tweetCountryEngagementRealTimeAggregateFeatureHydrator,
     tweetEngagementRealTimeAggregateFeatureHydrator,
     twitterListEngagementRealTimeAggregateFeatureHydrator,
@@ -146,29 +210,14 @@ class ScoredTweetsScoringPipelineConfig @Inject() (
   override val preScoringFeatureHydrationPhase2: Seq[
     BaseCandidateFeatureHydrator[ScoredTweetsQuery, TweetCandidate, _]
   ] = Seq(
+    perspectiveFilteredSocialContextFeatureHydrator,
+    phase2EdgeAggregateFeatureHydrator,
     realGraphViewerRelatedUsersFeatureHydrator,
-    TimeFeaturesHydrator,
+    sgsValidSocialContextFeatureHydrator,
+    TweetTimeFeatureHydrator,
     topicCountryEngagementRealTimeAggregateFeatureHydrator,
-    topicEngagementRealTimeAggregateFeatureHydrator,
-    phase2EdgeAggregateFeatureHydrator
+    topicEngagementRealTimeAggregateFeatureHydrator
   )
 
-  private val homeNaviModelDataRecordScorer: Scorer[ScoredTweetsQuery, TweetCandidate] = {
-    val modelClient = new PredictionServiceGRPCClient(
-      service = predictionGRPCService,
-      statsReceiver = statsReceiver,
-      requestBatchSize = HomeNaviModelDataRecordScorer.RequestBatchSize,
-      useCompact = false
-    )
-    HomeNaviModelDataRecordScorer(
-      identifier = ScorerIdentifier("HomeNaviModel"),
-      modelClient = modelClient,
-      candidateFeatures = AllFeatures(),
-      resultFeatures = HomeNaviModelDataRecordScorer.PredictedScoreFeatures.toSet,
-      statsReceiver = statsReceiver
-    )
-  }
-
-  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] =
-    Seq(homeNaviModelDataRecordScorer)
+  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] = Seq(naviModelScorer)
 }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig.scala
deleted file mode 100644
index d07e5c965e..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig.scala
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.twitter.home_mixer.product.scored_tweets.scoring_pipeline
-
-import com.twitter.home_mixer.functional_component.scorer.VerifiedAuthorScalingScorer
-import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.component_library.selector.InsertAppendResults
-import com.twitter.product_mixer.core.functional_component.common.AllPipelines
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.functional_component.selector.Selector
-import com.twitter.product_mixer.core.model.common.identifier.ScoringPipelineIdentifier
-import com.twitter.product_mixer.core.pipeline.scoring.ScoringPipelineConfig
-
-object ScoredTweetsRescoreVerifiedAuthorScoringPipelineConfig
-    extends ScoringPipelineConfig[ScoredTweetsQuery, TweetCandidate] {
-
-  override val identifier: ScoringPipelineIdentifier =
-    ScoringPipelineIdentifier("ScoredTweetsRescoreVerifiedAuthor")
-
-  override val selectors: Seq[Selector[ScoredTweetsQuery]] =
-    Seq(InsertAppendResults(AllPipelines))
-
-  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] =
-    Seq(VerifiedAuthorScalingScorer)
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsWeightedScoresSumScoringPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsWeightedScoresSumScoringPipelineConfig.scala
deleted file mode 100644
index 459bc4d44e..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scoring_pipeline/ScoredTweetsWeightedScoresSumScoringPipelineConfig.scala
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.twitter.home_mixer.product.scored_tweets.scoring_pipeline
-
-import com.twitter.home_mixer.product.scored_tweets.candidate_pipeline.CachedScoredTweetsCandidatePipelineConfig
-import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
-import com.twitter.home_mixer.product.scored_tweets.scorer.WeightedScoresSumScorer
-import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
-import com.twitter.product_mixer.component_library.selector.InsertAppendResults
-import com.twitter.product_mixer.core.functional_component.common.AllExceptPipelines
-import com.twitter.product_mixer.core.functional_component.scorer.Scorer
-import com.twitter.product_mixer.core.functional_component.selector.Selector
-import com.twitter.product_mixer.core.model.common.identifier.ScoringPipelineIdentifier
-import com.twitter.product_mixer.core.pipeline.scoring.ScoringPipelineConfig
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ScoredTweetsWeightedScoresSumScoringPipelineConfig @Inject() (
-  weightedScoresSumScorer: WeightedScoresSumScorer)
-    extends ScoringPipelineConfig[ScoredTweetsQuery, TweetCandidate] {
-
-  override val identifier: ScoringPipelineIdentifier =
-    ScoringPipelineIdentifier("ScoredTweetsWeightedScoresSum")
-
-  override val selectors: Seq[Selector[ScoredTweetsQuery]] = Seq(
-    InsertAppendResults(
-      AllExceptPipelines(pipelinesToExclude =
-        Set(CachedScoredTweetsCandidatePipelineConfig.Identifier))
-    )
-  )
-
-  override val scorers: Seq[Scorer[ScoredTweetsQuery, TweetCandidate]] = Seq(
-    weightedScoresSumScorer
-  )
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/BUILD.bazel
new file mode 100644
index 0000000000..c5dbb187f1
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/BUILD.bazel
@@ -0,0 +1,12 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/selector",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common/presentation",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType.scala
new file mode 100644
index 0000000000..c485c4c2a3
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/selector/KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType.scala
@@ -0,0 +1,39 @@
+package com.twitter.home_mixer.product.scored_tweets.selector
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
+import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.product_mixer.core.functional_component.common.CandidateScope
+import com.twitter.product_mixer.core.functional_component.selector.Selector
+import com.twitter.product_mixer.core.functional_component.selector.SelectorResult
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+
+case class KeepBestOutOfNetworkCandidatePerAuthorPerSuggestType(
+  override val pipelineScope: CandidateScope)
+    extends Selector[PipelineQuery] {
+
+  override def apply(
+    query: PipelineQuery,
+    remainingCandidates: Seq[CandidateWithDetails],
+    result: Seq[CandidateWithDetails]
+  ): SelectorResult = {
+    val (selectedCandidates, otherCandidates) =
+      remainingCandidates.partition(candidate =>
+        pipelineScope.contains(candidate) && !candidate.features.getOrElse(InNetworkFeature, true))
+
+    val filteredCandidates = selectedCandidates
+      .groupBy { candidate =>
+        (
+          candidate.features.getOrElse(AuthorIdFeature, None),
+          candidate.features.getOrElse(SuggestTypeFeature, None)
+        )
+      }
+      .values.map(_.maxBy(_.features.getOrElse(ScoreFeature, None)))
+      .toSeq
+
+    val updatedCandidates = otherCandidates ++ filteredCandidates
+    SelectorResult(remainingCandidates = updatedCandidates, result = result)
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/BUILD.bazel
index f6c404ec65..2147ee2178 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/BUILD.bazel
@@ -4,29 +4,27 @@ scala_library(
     strict_deps = True,
     tags = ["bazel-compatible"],
     dependencies = [
-        "3rdparty/jvm/javax/inject:javax.inject",
         "finagle/finagle-mysql/src/main/scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/adapters/non_ml_features",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/feature_hydrator/adapters/non_ml_features",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/param",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/scorer",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
         "home-mixer/thrift/src/main/thrift:thrift-scala",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/scorer/tweet_tlx",
         "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/side_effect",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/feature/featuremap/datarecord",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/response/urt",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
         "servo/repo/src/main/scala",
         "servo/util/src/main/scala",
         "src/scala/com/twitter/timelines/prediction/common/adapters",
         "src/thrift/com/twitter/timelines/suggests/common:data_record_metadata-scala",
         "src/thrift/com/twitter/timelines/suggests/common:poly_data_record-java",
+        "src/thrift/com/twitter/timelines/timeline_logging:thrift-scala",
         "timelines/ml:pldr-client",
         "timelines/ml:pldr-conversion",
         "timelines/ml/cont_train/common/domain/src/main/scala/com/twitter/timelines/ml/cont_train/common/domain/non_scalding",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/CachedScoredTweetsSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/CachedScoredTweetsSideEffect.scala
index abe076c54a..3d66ff54a3 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/CachedScoredTweetsSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/CachedScoredTweetsSideEffect.scala
@@ -3,17 +3,22 @@ package com.twitter.home_mixer.product.scored_tweets.side_effect
 import com.twitter.home_mixer.model.HomeFeatures.AncestorsFeature
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIsBlueVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsCreatorFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsGoldVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsGrayVerifiedFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIsLegacyVerifiedFeature
 import com.twitter.home_mixer.model.HomeFeatures.CachedCandidatePipelineIdentifierFeature
 import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.FavoritedByUserIdsFeature
-import com.twitter.home_mixer.model.HomeFeatures.FollowedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.ExclusiveConversationAuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InNetworkFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.InReplyToUserIdFeature
-import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
 import com.twitter.home_mixer.model.HomeFeatures.LastScoredTimestampMsFeature
+import com.twitter.home_mixer.model.HomeFeatures.PerspectiveFilteredLikedByUserIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SGSValidFollowedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.SGSValidLikedByUserIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
@@ -33,14 +38,12 @@ import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDet
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.servo.cache.TtlCache
 import com.twitter.stitch.Stitch
-import com.twitter.util.Time
-
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
 class CachedScoredTweetsSideEffect @Inject() (
-  scoredTweetsCache: TtlCache[Long, hmt.CachedScoredTweets])
+  scoredTweetsCache: TtlCache[Long, hmt.ScoredTweetsResponse])
     extends PipelineResultSideEffect[PipelineQuery, ScoredTweetsResponse] {
 
   override val identifier: SideEffectIdentifier = SideEffectIdentifier("CachedScoredTweets")
@@ -48,71 +51,79 @@ class CachedScoredTweetsSideEffect @Inject() (
   private val MaxTweetsToCache = 1000
 
   def buildCachedScoredTweets(
+    query: PipelineQuery,
     candidates: Seq[CandidateWithDetails]
-  ): hmt.CachedScoredTweets = {
+  ): hmt.ScoredTweetsResponse = {
     val tweets = candidates.map { candidate =>
-      val favoritedByUserIds = candidate.features.getOrElse(FavoritedByUserIdsFeature, Seq.empty)
-      val followedByUserIds = candidate.features.getOrElse(FollowedByUserIdsFeature, Seq.empty)
+      val sgsValidLikedByUserIds =
+        candidate.features.getOrElse(SGSValidLikedByUserIdsFeature, Seq.empty)
+      val sgsValidFollowedByUserIds =
+        candidate.features.getOrElse(SGSValidFollowedByUserIdsFeature, Seq.empty)
+      val perspectiveFilteredLikedByUserIds =
+        candidate.features.getOrElse(PerspectiveFilteredLikedByUserIdsFeature, Seq.empty)
       val ancestors = candidate.features.getOrElse(AncestorsFeature, Seq.empty)
-      val urlsList = candidate.features.getOrElse(TweetUrlsFeature, Seq.empty)
 
-      hmt.CachedScoredTweet(
+      hmt.ScoredTweet(
         tweetId = candidate.candidateIdLong,
+        authorId = candidate.features.get(AuthorIdFeature).get,
         // Cache the model score instead of the final score because rescoring is per-request
         score = candidate.features.getOrElse(WeightedModelScoreFeature, None),
-        lastScoredTimestampMs = Some(
-          candidate.features
-            .getOrElse(LastScoredTimestampMsFeature, None)
-            .getOrElse(Time.now.inMilliseconds)),
-        candidatePipelineIdentifier = Some(
-          candidate.features
-            .getOrElse(CachedCandidatePipelineIdentifierFeature, None)
-            .getOrElse(candidate.source.name)),
-        userId = candidate.features.getOrElse(AuthorIdFeature, None),
+        suggestType = candidate.features.getOrElse(SuggestTypeFeature, None),
         sourceTweetId = candidate.features.getOrElse(SourceTweetIdFeature, None),
         sourceUserId = candidate.features.getOrElse(SourceUserIdFeature, None),
-        isRetweet = Some(candidate.features.getOrElse(IsRetweetFeature, false)),
-        isInNetwork = Some(candidate.features.getOrElse(InNetworkFeature, false)),
-        suggestType = candidate.features.getOrElse(SuggestTypeFeature, None),
         quotedTweetId = candidate.features.getOrElse(QuotedTweetIdFeature, None),
         quotedUserId = candidate.features.getOrElse(QuotedUserIdFeature, None),
         inReplyToTweetId = candidate.features.getOrElse(InReplyToTweetIdFeature, None),
         inReplyToUserId = candidate.features.getOrElse(InReplyToUserIdFeature, None),
         directedAtUserId = candidate.features.getOrElse(DirectedAtUserIdFeature, None),
-        favoritedByUserIds = if (favoritedByUserIds.nonEmpty) Some(favoritedByUserIds) else None,
-        followedByUserIds = if (followedByUserIds.nonEmpty) Some(followedByUserIds) else None,
+        inNetwork = Some(candidate.features.getOrElse(InNetworkFeature, true)),
+        sgsValidLikedByUserIds = Some(sgsValidLikedByUserIds),
+        sgsValidFollowedByUserIds = Some(sgsValidFollowedByUserIds),
         topicId = candidate.features.getOrElse(TopicIdSocialContextFeature, None),
         topicFunctionalityType = candidate.features
           .getOrElse(TopicContextFunctionalityTypeFeature, None).map(
             TopicContextFunctionalityTypeMarshaller(_)),
         ancestors = if (ancestors.nonEmpty) Some(ancestors) else None,
-        urlsList = if (urlsList.nonEmpty) Some(urlsList) else None,
-        authorIsBlueVerified =
-          Some(candidate.features.getOrElse(AuthorIsBlueVerifiedFeature, false))
+        isReadFromCache = Some(true),
+        streamToKafka = Some(false),
+        exclusiveConversationAuthorId = candidate.features
+          .getOrElse(ExclusiveConversationAuthorIdFeature, None),
+        authorMetadata = Some(
+          hmt.AuthorMetadata(
+            blueVerified = candidate.features.getOrElse(AuthorIsBlueVerifiedFeature, false),
+            goldVerified = candidate.features.getOrElse(AuthorIsGoldVerifiedFeature, false),
+            grayVerified = candidate.features.getOrElse(AuthorIsGrayVerifiedFeature, false),
+            legacyVerified = candidate.features.getOrElse(AuthorIsLegacyVerifiedFeature, false),
+            creator = candidate.features.getOrElse(AuthorIsCreatorFeature, false)
+          )),
+        lastScoredTimestampMs = candidate.features
+          .getOrElse(LastScoredTimestampMsFeature, Some(query.queryTime.inMilliseconds)),
+        candidatePipelineIdentifier = candidate.features
+          .getOrElse(CachedCandidatePipelineIdentifierFeature, Some(candidate.source.name)),
+        tweetUrls = Some(candidate.features.getOrElse(TweetUrlsFeature, Seq.empty)),
+        perspectiveFilteredLikedByUserIds = Some(perspectiveFilteredLikedByUserIds)
       )
     }
 
-    hmt.CachedScoredTweets(tweets = tweets)
+    hmt.ScoredTweetsResponse(tweets)
   }
 
   final override def apply(
     inputs: PipelineResultSideEffect.Inputs[PipelineQuery, ScoredTweetsResponse]
   ): Stitch[Unit] = {
-    val candidates = (inputs.selectedCandidates ++ inputs.remainingCandidates).filter { candidate =>
-      val score = candidate.features.getOrElse(ScoreFeature, None)
-      score.exists(_ > 0.0)
-    }
+    val candidates =
+      (inputs.selectedCandidates ++ inputs.remainingCandidates ++ inputs.droppedCandidates)
+        .filter(_.features.getOrElse(ScoreFeature, None).exists(_ > 0.0))
 
     val truncatedCandidates =
       if (candidates.size > MaxTweetsToCache)
         candidates
-          .sortBy(-_.features.getOrElse(ScoreFeature, None).getOrElse(0.0))
-          .take(MaxTweetsToCache)
+          .sortBy(-_.features.getOrElse(ScoreFeature, None).getOrElse(0.0)).take(MaxTweetsToCache)
       else candidates
 
     if (truncatedCandidates.nonEmpty) {
       val ttl = inputs.query.params(CachedScoredTweets.TTLParam)
-      val scoredTweets = buildCachedScoredTweets(truncatedCandidates)
+      val scoredTweets = buildCachedScoredTweets(inputs.query, truncatedCandidates)
       Stitch.callFuture(scoredTweetsCache.set(inputs.query.getRequiredUserId, scoredTweets, ttl))
     } else Stitch.Unit
   }
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeScoredCandidatesSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeScoredCandidatesSideEffect.scala
new file mode 100644
index 0000000000..ef7e3b41a3
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeScoredCandidatesSideEffect.scala
@@ -0,0 +1,126 @@
+package com.twitter.home_mixer.product.scored_tweets.side_effect
+
+import com.twitter.finagle.tracing.Trace
+import com.twitter.home_mixer.model.HomeFeatures.AncestorsFeature
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.DirectedAtUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.EarlybirdScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.FavoritedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.FollowedByUserIdsFeature
+import com.twitter.home_mixer.model.HomeFeatures.FromInNetworkSourceFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.QuotedTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.QuotedUserIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.RequestJoinIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.ScoreFeature
+import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeScoredCandidatesFlag
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
+import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsResponse
+import com.twitter.home_mixer.product.scored_tweets.param.ScoredTweetsParam.EnableScribeScoredCandidatesParam
+import com.twitter.inject.annotations.Flag
+import com.twitter.logpipeline.client.common.EventPublisher
+import com.twitter.product_mixer.component_library.side_effect.ScribeLogEventSideEffect
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
+import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
+import com.twitter.product_mixer.core.model.common.presentation.CandidatePipelines
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
+import com.twitter.timelines.timeline_logging.{thriftscala => t}
+import javax.inject.Inject
+import javax.inject.Singleton
+import com.twitter.util.logging.Logging
+
+/**
+ * Side effect that logs scored candidates from scoring pipelines
+ */
+@Singleton
+class ScribeScoredCandidatesSideEffect @Inject() (
+  @Flag(ScribeScoredCandidatesFlag) enableScribeScoredCandidates: Boolean,
+  eventBusPublisher: EventPublisher[t.ScoredCandidate])
+    extends ScribeLogEventSideEffect[
+      t.ScoredCandidate,
+      ScoredTweetsQuery,
+      ScoredTweetsResponse
+    ]
+    with PipelineResultSideEffect.Conditionally[
+      ScoredTweetsQuery,
+      ScoredTweetsResponse
+    ]
+    with Logging {
+
+  override val identifier: SideEffectIdentifier =
+    SideEffectIdentifier("ScribeScoredCandidates")
+
+  override def onlyIf(
+    query: ScoredTweetsQuery,
+    selectedCandidates: Seq[CandidateWithDetails],
+    remainingCandidates: Seq[CandidateWithDetails],
+    droppedCandidates: Seq[CandidateWithDetails],
+    response: ScoredTweetsResponse
+  ): Boolean = enableScribeScoredCandidates && query.params(EnableScribeScoredCandidatesParam)
+
+  /**
+   * Build the log events from query, selections and response
+   *
+   * @param query               PipelineQuery
+   * @param selectedCandidates  Result after Selectors are executed
+   * @param remainingCandidates Candidates which were not selected
+   * @param droppedCandidates   Candidates dropped during selection
+   * @param response            Result after Unmarshalling
+   *
+   * @return LogEvent in thrift
+   */
+  override def buildLogEvents(
+    query: ScoredTweetsQuery,
+    selectedCandidates: Seq[CandidateWithDetails],
+    remainingCandidates: Seq[CandidateWithDetails],
+    droppedCandidates: Seq[CandidateWithDetails],
+    response: ScoredTweetsResponse
+  ): Seq[t.ScoredCandidate] = {
+    val returned = (selectedCandidates ++ remainingCandidates).map(toThrift(_, query, false))
+    val dropped = droppedCandidates.map(toThrift(_, query, true))
+    returned ++ dropped
+  }
+
+  private def toThrift(
+    candidate: CandidateWithDetails,
+    query: ScoredTweetsQuery,
+    isDropped: Boolean
+  ): t.ScoredCandidate = {
+    t.ScoredCandidate(
+      tweetId = candidate.candidateIdLong,
+      viewerId = query.getOptionalUserId,
+      authorId = candidate.features.getOrElse(AuthorIdFeature, None),
+      traceId = Some(Trace.id.traceId.toLong),
+      requestJoinId = query.features.flatMap(_.getOrElse(RequestJoinIdFeature, None)),
+      score = candidate.features.getOrElse(ScoreFeature, None),
+      suggestType = candidate.features.getOrElse(SuggestTypeFeature, None).map(_.name),
+      isInNetwork = candidate.features.getTry(FromInNetworkSourceFeature).toOption,
+      inReplyToTweetId = candidate.features.getOrElse(InReplyToTweetIdFeature, None),
+      inReplyToUserId = candidate.features.getOrElse(InReplyToUserIdFeature, None),
+      quotedTweetId = candidate.features.getOrElse(QuotedTweetIdFeature, None),
+      quotedUserId = candidate.features.getOrElse(QuotedUserIdFeature, None),
+      directedAtUserId = candidate.features.getOrElse(DirectedAtUserIdFeature, None),
+      favoritedByUserIds = convertSeqFeature(candidate, FavoritedByUserIdsFeature),
+      followedByUserIds = convertSeqFeature(candidate, FollowedByUserIdsFeature),
+      ancestors = convertSeqFeature(candidate, AncestorsFeature),
+      requestTimeMs = Some(query.queryTime.inMilliseconds),
+      candidatePipelineIdentifier =
+        candidate.features.getTry(CandidatePipelines).toOption.map(_.head.name),
+      earlybirdScore = candidate.features.getOrElse(EarlybirdScoreFeature, None),
+      isDropped = Some(isDropped)
+    )
+  }
+
+  private def convertSeqFeature[T](
+    candidateWithDetails: CandidateWithDetails,
+    feature: Feature[_, Seq[T]]
+  ): Option[Seq[T]] =
+    Option(
+      candidateWithDetails.features
+        .getOrElse(feature, Seq.empty)).filter(_.nonEmpty)
+
+  override val logPipelinePublisher: EventPublisher[t.ScoredCandidate] = eventBusPublisher
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect.scala
index 2599832ccd..c93adee278 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/side_effect/ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect.scala
@@ -5,21 +5,22 @@ import com.twitter.finagle.mysql.Client
 import com.twitter.finagle.mysql.Transactions
 import com.twitter.finagle.stats.StatsReceiver
 import com.twitter.finagle.util.DefaultTimer
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.non_ml_features.NonMLCandidateFeatures
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.non_ml_features.NonMLCandidateFeaturesAdapter
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.non_ml_features.NonMLCommonFeatures
-import com.twitter.home_mixer.functional_component.feature_hydrator.adapters.non_ml_features.NonMLCommonFeaturesAdapter
 import com.twitter.home_mixer.model.HomeFeatures.ServedRequestIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
 import com.twitter.home_mixer.param.HomeMixerFlagName.DataRecordMetadataStoreConfigsYmlFlag
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeServedCommonFeaturesAndCandidateFeaturesFlag
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.CandidateFeaturesScribeEventPublisher
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.CommonFeaturesScribeEventPublisher
 import com.twitter.home_mixer.param.HomeMixerInjectionNames.MinimumFeaturesScribeEventPublisher
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.non_ml_features.NonMLCandidateFeatures
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.non_ml_features.NonMLCandidateFeaturesAdapter
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.non_ml_features.NonMLCommonFeatures
+import com.twitter.home_mixer.product.scored_tweets.feature_hydrator.adapters.non_ml_features.NonMLCommonFeaturesAdapter
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsQuery
 import com.twitter.home_mixer.product.scored_tweets.model.ScoredTweetsResponse
 import com.twitter.home_mixer.product.scored_tweets.scorer.CandidateFeaturesDataRecordFeature
 import com.twitter.home_mixer.product.scored_tweets.scorer.CommonFeaturesDataRecordFeature
-import com.twitter.home_mixer.product.scored_tweets.scorer.HomeNaviModelDataRecordScorer.PredictedScoreFeatures
+import com.twitter.home_mixer.product.scored_tweets.scorer.PredictedScoreFeature.PredictedScoreFeatures
 import com.twitter.home_mixer.util.CandidatesUtil.getOriginalAuthorId
 import com.twitter.inject.annotations.Flag
 import com.twitter.logpipeline.client.common.EventPublisher
@@ -28,6 +29,7 @@ import com.twitter.product_mixer.core.feature.featuremap.datarecord.DataRecordCo
 import com.twitter.product_mixer.core.feature.featuremap.datarecord.SpecificFeatures
 import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
 import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
+import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
 import com.twitter.stitch.Stitch
 import com.twitter.timelines.ml.cont_train.common.domain.non_scalding.CandidateAndCommonFeaturesStreamingUtils
 import com.twitter.timelines.ml.pldr.client.MysqlClientUtils
@@ -51,6 +53,7 @@ import scala.collection.JavaConverters._
 @Singleton
 class ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect @Inject() (
   @Flag(DataRecordMetadataStoreConfigsYmlFlag) dataRecordMetadataStoreConfigsYml: String,
+  @Flag(ScribeServedCommonFeaturesAndCandidateFeaturesFlag) enableScribeServedCommonFeaturesAndCandidateFeatures: Boolean,
   @Named(CommonFeaturesScribeEventPublisher) commonFeaturesScribeEventPublisher: EventPublisher[
     pldr.PolyDataRecord
   ],
@@ -62,27 +65,28 @@ class ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect @Inject() (
   ],
   statsReceiver: StatsReceiver,
 ) extends PipelineResultSideEffect[ScoredTweetsQuery, ScoredTweetsResponse]
+    with PipelineResultSideEffect.Conditionally[ScoredTweetsQuery, ScoredTweetsResponse]
     with Logging {
 
-  override val identifier: SideEffectIdentifier = SideEffectIdentifier(
-    "ScribeServedCommonFeaturesAndCandidateFeatures")
+  override val identifier: SideEffectIdentifier =
+    SideEffectIdentifier("ScribeServedCommonFeaturesAndCandidateFeatures")
 
   private val drMerger = new DataRecordMerger
-  private val postScoringCandidateFeatures = SpecificFeatures(PredictedScoreFeatures.toSet)
-  private val postScoringCandidateFeaturesDataRecordAdapter = new DataRecordConverter(
-    postScoringCandidateFeatures)
+  private val postScoringCandidateFeatures = SpecificFeatures(PredictedScoreFeatures)
+  private val postScoringCandidateFeaturesDataRecordAdapter =
+    new DataRecordConverter(postScoringCandidateFeatures)
 
   private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
   private val metadataFetchFailedCounter = scopedStatsReceiver.counter("metadataFetchFailed")
   private val commonFeaturesScribeCounter = scopedStatsReceiver.counter("commonFeaturesScribe")
-  private val commonFeaturesPLDROptionObserver = OptionObserver(
-    scopedStatsReceiver.scope("commonFeaturesPLDR"))
+  private val commonFeaturesPLDROptionObserver =
+    OptionObserver(scopedStatsReceiver.scope("commonFeaturesPLDR"))
   private val candidateFeaturesScribeCounter =
     scopedStatsReceiver.counter("candidateFeaturesScribe")
-  private val candidateFeaturesPLDROptionObserver = OptionObserver(
-    scopedStatsReceiver.scope("candidateFeaturesPLDR"))
-  private val minimumFeaturesPLDROptionObserver = OptionObserver(
-    scopedStatsReceiver.scope("minimumFeaturesPLDR"))
+  private val candidateFeaturesPLDROptionObserver =
+    OptionObserver(scopedStatsReceiver.scope("candidateFeaturesPLDR"))
+  private val minimumFeaturesPLDROptionObserver =
+    OptionObserver(scopedStatsReceiver.scope("minimumFeaturesPLDR"))
   private val minimumFeaturesScribeCounter =
     scopedStatsReceiver.counter("minimumFeaturesScribe")
 
@@ -115,6 +119,14 @@ class ScribeServedCommonFeaturesAndCandidateFeaturesSideEffect @Inject() (
       )
   }
 
+  override def onlyIf(
+    query: ScoredTweetsQuery,
+    selectedCandidates: Seq[CandidateWithDetails],
+    remainingCandidates: Seq[CandidateWithDetails],
+    droppedCandidates: Seq[CandidateWithDetails],
+    response: ScoredTweetsResponse
+  ): Boolean = enableScribeServedCommonFeaturesAndCandidateFeatures
+
   override def apply(
     inputs: PipelineResultSideEffect.Inputs[ScoredTweetsQuery, ScoredTweetsResponse]
   ): Stitch[Unit] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/BUILD.bazel
new file mode 100644
index 0000000000..c1b5032dbe
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/BUILD.bazel
@@ -0,0 +1,82 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "3rdparty/jvm/javax/inject:javax.inject",
+        "ads-injection/lib/src/main/scala/com/twitter/goldfinch/api",
+        "finagle/finagle-memcached/src/main/scala",
+        "finatra/inject/inject-core/src/main/scala",
+        "finatra/inject/inject-core/src/main/scala/com/twitter/inject",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/candidate_pipeline",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/candidate_source",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/builder",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/decorator/urt/builder",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/filter",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/selector",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/side_effect",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/marshaller/timelines",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/following/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/service",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/tweetconvosvc",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/candidate/param_gated",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/async",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/impressed_tweets",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/param_gated",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/feature_hydrator/query/social_graph",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/candidate",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/presentation/urt",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/premarshaller/urt",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/selector",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/side_effect",
+        "product-mixer/core/src/main/java/com/twitter/product_mixer/core/product/guice/scope",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/configapi",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/decorator",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/decorator/urt/builder",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/marshaller/response/urt",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common/presentation",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/marshalling/request",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/marshalling/response/urt",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/marshalling/response/urt/item",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/candidate",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/mixer",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline/product",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product/guice",
+        "src/java/com/twitter/search/common/schema/base",
+        "src/java/com/twitter/search/common/schema/earlybird",
+        "src/java/com/twitter/search/common/util/lang",
+        "src/java/com/twitter/search/queryparser/query:core-query-nodes",
+        "src/java/com/twitter/search/queryparser/query/search:search-query-nodes",
+        "src/thrift/com/twitter/search:earlybird-scala",
+        "src/thrift/com/twitter/search/common:constants-java",
+        "src/thrift/com/twitter/tweetypie:service-scala",
+        "stitch/stitch-gizmoduck",
+        "stitch/stitch-tweetypie",
+        "stringcenter/client",
+        "stringcenter/client/src/main/java",
+        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/manhattan",
+        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/model/candidate",
+        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/store/persistence",
+        "timelines/src/main/scala/com/twitter/timelines/clients/relevance_search",
+        "timelines/src/main/scala/com/twitter/timelines/injection/scribe",
+    ],
+    exports = [
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
+        "src/thrift/com/twitter/timelines/render:thrift-scala",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdCandidatePipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdCandidatePipelineConfig.scala
new file mode 100644
index 0000000000..c331f955b5
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdCandidatePipelineConfig.scala
@@ -0,0 +1,64 @@
+package com.twitter.home_mixer.product.subscribed
+
+import com.google.inject.Inject
+import com.twitter.home_mixer.functional_component.candidate_source.EarlybirdCandidateSource
+import com.twitter.home_mixer.product.subscribed.model.SubscribedQuery
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSSubscribedUsersFeature
+import com.twitter.product_mixer.component_library.filter.TweetVisibilityFilter
+import com.twitter.product_mixer.component_library.gate.NonEmptySeqFeatureGate
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.core.functional_component.candidate_source.BaseCandidateSource
+import com.twitter.product_mixer.core.functional_component.filter.Filter
+import com.twitter.product_mixer.core.functional_component.gate.Gate
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineResultsTransformer
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.search.earlybird.{thriftscala => t}
+import com.twitter.spam.rtf.thriftscala.SafetyLevel.TimelineHomeSubscribed
+import com.twitter.stitch.tweetypie.{TweetyPie => TweetypieStitchClient}
+import com.twitter.tweetypie.thriftscala.TweetVisibilityPolicy
+
+class SubscribedEarlybirdCandidatePipelineConfig @Inject() (
+  earlybirdCandidateSource: EarlybirdCandidateSource,
+  tweetyPieStitchClient: TweetypieStitchClient,
+  subscribedEarlybirdQueryTransformer: SubscribedEarlybirdQueryTransformer)
+    extends CandidatePipelineConfig[
+      SubscribedQuery,
+      t.EarlybirdRequest,
+      t.ThriftSearchResult,
+      TweetCandidate
+    ] {
+  override val identifier: CandidatePipelineIdentifier =
+    CandidatePipelineIdentifier("SubscribedEarlybird")
+
+  override val candidateSource: BaseCandidateSource[t.EarlybirdRequest, t.ThriftSearchResult] =
+    earlybirdCandidateSource
+
+  override val gates: Seq[Gate[SubscribedQuery]] = Seq(
+    NonEmptySeqFeatureGate(SGSSubscribedUsersFeature)
+  )
+
+  override def filters: Seq[Filter[SubscribedQuery, TweetCandidate]] = Seq(
+    new TweetVisibilityFilter(
+      tweetyPieStitchClient,
+      TweetVisibilityPolicy.UserVisible,
+      TimelineHomeSubscribed
+    )
+  )
+
+  override val queryTransformer: CandidatePipelineQueryTransformer[
+    SubscribedQuery,
+    t.EarlybirdRequest
+  ] = subscribedEarlybirdQueryTransformer
+
+  override val featuresFromCandidateSourceTransformers: Seq[
+    CandidateFeatureTransformer[t.ThriftSearchResult]
+  ] = Seq(SubscribedEarlybirdResponseFeatureTransformer)
+
+  override val resultTransformer: CandidatePipelineResultsTransformer[
+    t.ThriftSearchResult,
+    TweetCandidate
+  ] = { sourceResult => TweetCandidate(id = sourceResult.id) }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdQueryTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdQueryTransformer.scala
new file mode 100644
index 0000000000..6e0d57c13f
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdQueryTransformer.scala
@@ -0,0 +1,67 @@
+package com.twitter.home_mixer.product.subscribed
+
+import com.twitter.finagle.thrift.ClientId
+import com.twitter.finagle.tracing.Trace
+import com.twitter.home_mixer.product.subscribed.model.SubscribedQuery
+import com.twitter.home_mixer.product.subscribed.param.SubscribedParam.ServerMaxResultsParam
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSSubscribedUsersFeature
+import com.twitter.product_mixer.core.functional_component.transformer.CandidatePipelineQueryTransformer
+import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.BottomCursor
+import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.GapCursor
+import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.TopCursor
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.MalformedCursor
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
+import com.twitter.search.common.schema.earlybird.EarlybirdFieldConstants.EarlybirdFieldConstant
+import com.twitter.search.earlybird.{thriftscala => t}
+import com.twitter.search.queryparser.query.Conjunction
+import com.twitter.search.queryparser.query.search.SearchOperator
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+case class SubscribedEarlybirdQueryTransformer @Inject() (clientId: ClientId)
+    extends CandidatePipelineQueryTransformer[SubscribedQuery, t.EarlybirdRequest] {
+
+  override def transform(query: SubscribedQuery): t.EarlybirdRequest = {
+    val subscribedUserIds =
+      query.features.map(_.get(SGSSubscribedUsersFeature)).getOrElse(Seq.empty)
+
+    val subscribedUsersQuery = new SearchOperator.Builder()
+      .setType(SearchOperator.Type.FILTER)
+      .addOperand(EarlybirdFieldConstant.EXCLUSIVE_FILTER_TERM)
+      .build()
+
+    val searchQuery = query.pipelineCursor
+      .map { cursor =>
+        val sinceIdQuery =
+          (id: Long) => new SearchOperator(SearchOperator.Type.SINCE_ID, id.toString)
+        val maxIdQuery = // max ID is inclusive, so subtract 1
+          (id: Long) => new SearchOperator(SearchOperator.Type.MAX_ID, (id - 1).toString)
+
+        (cursor.cursorType, cursor.id, cursor.gapBoundaryId) match {
+          case (Some(TopCursor), Some(sinceId), _) =>
+            new Conjunction(sinceIdQuery(sinceId), subscribedUsersQuery)
+          case (Some(BottomCursor), Some(maxId), _) =>
+            new Conjunction(maxIdQuery(maxId), subscribedUsersQuery)
+          case (Some(GapCursor), Some(maxId), Some(sinceId)) =>
+            new Conjunction(sinceIdQuery(sinceId), maxIdQuery(maxId), subscribedUsersQuery)
+          case (Some(GapCursor), _, _) =>
+            throw PipelineFailure(MalformedCursor, "Invalid cursor " + cursor.toString)
+          case _ => subscribedUsersQuery
+        }
+      }.getOrElse(subscribedUsersQuery)
+
+    t.EarlybirdRequest(
+      searchQuery = t.ThriftSearchQuery(
+        serializedQuery = Some(searchQuery.serialize),
+        fromUserIDFilter64 = Some(subscribedUserIds),
+        numResults = query.requestedMaxResults.getOrElse(query.params(ServerMaxResultsParam)),
+        rankingMode = t.ThriftSearchRankingMode.Recency,
+      ),
+      getOlderResults = Some(true), // needed for archive access to older tweets
+      clientRequestID = Some(s"${Trace.id.traceId}"),
+      numResultsToReturnAtRoot = Some(query.params(ServerMaxResultsParam)),
+      clientId = Some(clientId.name),
+    )
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdResponseFeatureTransformer.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdResponseFeatureTransformer.scala
new file mode 100644
index 0000000000..a8136102cb
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedEarlybirdResponseFeatureTransformer.scala
@@ -0,0 +1,38 @@
+package com.twitter.home_mixer.product.subscribed
+
+import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceTweetIdFeature
+import com.twitter.home_mixer.model.HomeFeatures.SourceUserIdFeature
+import com.twitter.product_mixer.core.feature.Feature
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
+import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
+import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
+import com.twitter.search.earlybird.{thriftscala => t}
+
+object SubscribedEarlybirdResponseFeatureTransformer
+    extends CandidateFeatureTransformer[t.ThriftSearchResult] {
+
+  override val identifier: TransformerIdentifier =
+    TransformerIdentifier("SubscribedEarlybirdResponse")
+
+  override val features: Set[Feature[_, _]] = Set(
+    AuthorIdFeature,
+    InReplyToTweetIdFeature,
+    IsRetweetFeature,
+    SourceTweetIdFeature,
+    SourceUserIdFeature,
+  )
+
+  override def transform(candidate: t.ThriftSearchResult): FeatureMap = FeatureMapBuilder()
+    .add(AuthorIdFeature, candidate.tweetypieTweet.flatMap(_.coreData.map(_.userId)))
+    .add(
+      InReplyToTweetIdFeature,
+      candidate.tweetypieTweet.flatMap(_.coreData.flatMap(_.reply.flatMap(_.inReplyToStatusId))))
+    .add(IsRetweetFeature, candidate.metadata.exists(_.isRetweet.contains(true)))
+    .add(SourceTweetIdFeature, candidate.sourceTweetypieTweet.map(_.id))
+    .add(SourceUserIdFeature, candidate.sourceTweetypieTweet.flatMap(_.coreData.map(_.userId)))
+    .build()
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedMixerPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedMixerPipelineConfig.scala
new file mode 100644
index 0000000000..5b1f74b37e
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedMixerPipelineConfig.scala
@@ -0,0 +1,221 @@
+package com.twitter.home_mixer.product.subscribed
+
+import com.twitter.clientapp.{thriftscala => ca}
+import com.twitter.home_mixer.candidate_pipeline.ConversationServiceCandidatePipelineConfigBuilder
+import com.twitter.home_mixer.candidate_pipeline.EditedTweetsCandidatePipelineConfig
+import com.twitter.home_mixer.candidate_pipeline.NewTweetsPillCandidatePipelineConfig
+import com.twitter.home_mixer.functional_component.decorator.HomeConversationServiceCandidateDecorator
+import com.twitter.home_mixer.functional_component.decorator.urt.builder.HomeFeedbackActionInfoBuilder
+import com.twitter.home_mixer.functional_component.feature_hydrator._
+import com.twitter.home_mixer.functional_component.selector.UpdateHomeClientEventDetails
+import com.twitter.home_mixer.functional_component.selector.UpdateNewTweetsPillDecoration
+import com.twitter.home_mixer.functional_component.side_effect._
+import com.twitter.home_mixer.model.GapIncludeInstruction
+import com.twitter.home_mixer.param.HomeGlobalParams.MaxNumberReplaceInstructionsParam
+import com.twitter.home_mixer.param.HomeMixerFlagName.ScribeClientEventsFlag
+import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
+import com.twitter.home_mixer.product.subscribed.model.SubscribedQuery
+import com.twitter.home_mixer.product.subscribed.param.SubscribedParam.ServerMaxResultsParam
+import com.twitter.home_mixer.util.CandidatesUtil
+import com.twitter.inject.annotations.Flag
+import com.twitter.logpipeline.client.common.EventPublisher
+import com.twitter.product_mixer.component_library.feature_hydrator.query.async.AsyncQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.impressed_tweets.ImpressedTweetsQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSFollowedUsersQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.feature_hydrator.query.social_graph.SGSSubscribedUsersQueryFeatureHydrator
+import com.twitter.product_mixer.component_library.gate.NonEmptyCandidatesGate
+import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
+import com.twitter.product_mixer.component_library.premarshaller.urt.UrtDomainMarshaller
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.AddEntriesWithReplaceAndShowAlertInstructionBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedBottomCursorBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedGapCursorBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.OrderedTopCursorBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ReplaceAllEntries
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ReplaceEntryInstructionBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.ShowAlertInstructionBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.StaticTimelineScribeConfigBuilder
+import com.twitter.product_mixer.component_library.premarshaller.urt.builder.UrtMetadataBuilder
+import com.twitter.product_mixer.component_library.selector.DropMaxCandidates
+import com.twitter.product_mixer.component_library.selector.InsertAppendResults
+import com.twitter.product_mixer.component_library.selector.SelectConditionally
+import com.twitter.product_mixer.component_library.selector.UpdateSortCandidates
+import com.twitter.product_mixer.core.functional_component.common.SpecificPipeline
+import com.twitter.product_mixer.core.functional_component.common.SpecificPipelines
+import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
+import com.twitter.product_mixer.core.functional_component.marshaller.TransportMarshaller
+import com.twitter.product_mixer.core.functional_component.marshaller.response.urt.UrtTransportMarshaller
+import com.twitter.product_mixer.core.functional_component.premarshaller.DomainMarshaller
+import com.twitter.product_mixer.core.functional_component.selector.Selector
+import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
+import com.twitter.product_mixer.core.model.common.UniversalNoun
+import com.twitter.product_mixer.core.model.common.identifier.CandidatePipelineIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.MixerPipelineIdentifier
+import com.twitter.product_mixer.core.model.marshalling.response.urt.Timeline
+import com.twitter.product_mixer.core.model.marshalling.response.urt.TimelineModule
+import com.twitter.product_mixer.core.model.marshalling.response.urt.TimelineScribeConfig
+import com.twitter.product_mixer.core.model.marshalling.response.urt.item.tweet.TweetItem
+import com.twitter.product_mixer.core.pipeline.FailOpenPolicy
+import com.twitter.product_mixer.core.pipeline.candidate.CandidatePipelineConfig
+import com.twitter.product_mixer.core.pipeline.candidate.DependentCandidatePipelineConfig
+import com.twitter.product_mixer.core.pipeline.mixer.MixerPipelineConfig
+import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
+import com.twitter.stringcenter.client.StringCenter
+import com.twitter.timelines.render.{thriftscala => urt}
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+
+@Singleton
+class SubscribedMixerPipelineConfig @Inject() (
+  subscribedEarlybirdCandidatePipelineConfig: SubscribedEarlybirdCandidatePipelineConfig,
+  conversationServiceCandidatePipelineConfigBuilder: ConversationServiceCandidatePipelineConfigBuilder[
+    SubscribedQuery
+  ],
+  homeFeedbackActionInfoBuilder: HomeFeedbackActionInfoBuilder,
+  editedTweetsCandidatePipelineConfig: EditedTweetsCandidatePipelineConfig,
+  newTweetsPillCandidatePipelineConfig: NewTweetsPillCandidatePipelineConfig[SubscribedQuery],
+  dismissInfoQueryFeatureHydrator: DismissInfoQueryFeatureHydrator,
+  gizmoduckUserQueryFeatureHydrator: GizmoduckUserQueryFeatureHydrator,
+  requestQueryFeatureHydrator: RequestQueryFeatureHydrator[SubscribedQuery],
+  sgsFollowedUsersQueryFeatureHydrator: SGSFollowedUsersQueryFeatureHydrator,
+  sgsSubscribedUsersQueryFeatureHydrator: SGSSubscribedUsersQueryFeatureHydrator,
+  manhattanTweetImpressionsQueryFeatureHydrator: TweetImpressionsQueryFeatureHydrator[
+    SubscribedQuery
+  ],
+  memcacheTweetImpressionsQueryFeatureHydrator: ImpressedTweetsQueryFeatureHydrator,
+  publishClientSentImpressionsEventBusSideEffect: PublishClientSentImpressionsEventBusSideEffect,
+  publishClientSentImpressionsManhattanSideEffect: PublishClientSentImpressionsManhattanSideEffect,
+  homeTimelineServedCandidatesSideEffect: HomeScribeServedCandidatesSideEffect,
+  clientEventsScribeEventPublisher: EventPublisher[ca.LogEvent],
+  externalStrings: HomeMixerExternalStrings,
+  @ProductScoped stringCenterProvider: Provider[StringCenter],
+  urtTransportMarshaller: UrtTransportMarshaller,
+  @Flag(ScribeClientEventsFlag) enableScribeClientEvents: Boolean)
+    extends MixerPipelineConfig[SubscribedQuery, Timeline, urt.TimelineResponse] {
+
+  override val identifier: MixerPipelineIdentifier = MixerPipelineIdentifier("Subscribed")
+
+  private val dependentCandidatesStep = MixerPipelineConfig.dependentCandidatePipelinesStep
+  private val resultSelectorsStep = MixerPipelineConfig.resultSelectorsStep
+
+  override val fetchQueryFeatures: Seq[QueryFeatureHydrator[SubscribedQuery]] = Seq(
+    requestQueryFeatureHydrator,
+    sgsFollowedUsersQueryFeatureHydrator,
+    sgsSubscribedUsersQueryFeatureHydrator,
+    AsyncQueryFeatureHydrator(dependentCandidatesStep, dismissInfoQueryFeatureHydrator),
+    AsyncQueryFeatureHydrator(dependentCandidatesStep, gizmoduckUserQueryFeatureHydrator),
+    AsyncQueryFeatureHydrator(resultSelectorsStep, manhattanTweetImpressionsQueryFeatureHydrator),
+    AsyncQueryFeatureHydrator(resultSelectorsStep, memcacheTweetImpressionsQueryFeatureHydrator)
+  )
+
+  private val earlybirdCandidatePipelineScope =
+    SpecificPipeline(subscribedEarlybirdCandidatePipelineConfig.identifier)
+
+  private val conversationServiceCandidatePipelineConfig =
+    conversationServiceCandidatePipelineConfigBuilder.build(
+      Seq(NonEmptyCandidatesGate(earlybirdCandidatePipelineScope)),
+      HomeConversationServiceCandidateDecorator(homeFeedbackActionInfoBuilder)
+    )
+
+  override val candidatePipelines: Seq[CandidatePipelineConfig[SubscribedQuery, _, _, _]] =
+    Seq(subscribedEarlybirdCandidatePipelineConfig)
+
+  override val dependentCandidatePipelines: Seq[
+    DependentCandidatePipelineConfig[SubscribedQuery, _, _, _]
+  ] = Seq(
+    conversationServiceCandidatePipelineConfig,
+    editedTweetsCandidatePipelineConfig,
+    newTweetsPillCandidatePipelineConfig
+  )
+
+  override val failOpenPolicies: Map[CandidatePipelineIdentifier, FailOpenPolicy] = Map(
+    editedTweetsCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+    newTweetsPillCandidatePipelineConfig.identifier -> FailOpenPolicy.Always,
+  )
+
+  override val resultSelectors: Seq[Selector[SubscribedQuery]] = Seq(
+    UpdateSortCandidates(
+      ordering = CandidatesUtil.reverseChronTweetsOrdering,
+      candidatePipeline = conversationServiceCandidatePipelineConfig.identifier
+    ),
+    DropMaxCandidates(
+      candidatePipeline = editedTweetsCandidatePipelineConfig.identifier,
+      maxSelectionsParam = MaxNumberReplaceInstructionsParam
+    ),
+    DropMaxCandidates(
+      candidatePipeline = conversationServiceCandidatePipelineConfig.identifier,
+      maxSelectionsParam = ServerMaxResultsParam
+    ),
+    InsertAppendResults(candidatePipeline = conversationServiceCandidatePipelineConfig.identifier),
+    // This selector must come after the tweets are inserted into the results
+    UpdateNewTweetsPillDecoration(
+      pipelineScope = SpecificPipelines(
+        conversationServiceCandidatePipelineConfig.identifier,
+        newTweetsPillCandidatePipelineConfig.identifier
+      ),
+      stringCenter = stringCenterProvider.get(),
+      seeNewTweetsString = externalStrings.seeNewTweetsString,
+      tweetedString = externalStrings.tweetedString
+    ),
+    InsertAppendResults(candidatePipeline = editedTweetsCandidatePipelineConfig.identifier),
+    SelectConditionally(
+      selector =
+        InsertAppendResults(candidatePipeline = newTweetsPillCandidatePipelineConfig.identifier),
+      includeSelector = (_, _, results) => CandidatesUtil.containsType[TweetCandidate](results)
+    ),
+    UpdateHomeClientEventDetails(
+      candidatePipelines = Set(conversationServiceCandidatePipelineConfig.identifier)
+    ),
+  )
+
+  private val homeScribeClientEventSideEffect = HomeScribeClientEventSideEffect(
+    enableScribeClientEvents = enableScribeClientEvents,
+    logPipelinePublisher = clientEventsScribeEventPublisher,
+    injectedTweetsCandidatePipelineIdentifiers =
+      Seq(conversationServiceCandidatePipelineConfig.identifier),
+  )
+
+  override val resultSideEffects: Seq[PipelineResultSideEffect[SubscribedQuery, Timeline]] = Seq(
+    homeScribeClientEventSideEffect,
+    homeTimelineServedCandidatesSideEffect,
+    publishClientSentImpressionsEventBusSideEffect,
+    publishClientSentImpressionsManhattanSideEffect
+  )
+
+  override val domainMarshaller: DomainMarshaller[SubscribedQuery, Timeline] = {
+    val instructionBuilders = Seq(
+      ReplaceEntryInstructionBuilder(ReplaceAllEntries),
+      AddEntriesWithReplaceAndShowAlertInstructionBuilder(),
+      ShowAlertInstructionBuilder(),
+    )
+
+    val idSelector: PartialFunction[UniversalNoun[_], Long] = {
+      // exclude ads while determining tweet cursor values
+      case item: TweetItem if item.promotedMetadata.isEmpty => item.id
+      case module: TimelineModule
+          if module.items.headOption.exists(_.item.isInstanceOf[TweetItem]) =>
+        module.items.last.item match { case item: TweetItem => item.id }
+    }
+
+    val topCursorBuilder = OrderedTopCursorBuilder(idSelector)
+    val bottomCursorBuilder =
+      OrderedBottomCursorBuilder(idSelector, GapIncludeInstruction.inverse())
+    val gapCursorBuilder = OrderedGapCursorBuilder(idSelector, GapIncludeInstruction)
+
+    val metadataBuilder = UrtMetadataBuilder(
+      title = None,
+      scribeConfigBuilder = Some(
+        StaticTimelineScribeConfigBuilder(
+          TimelineScribeConfig(page = Some("subscribed"), section = None, entityToken = None)))
+    )
+
+    UrtDomainMarshaller(
+      instructionBuilders = instructionBuilders,
+      metadataBuilder = Some(metadataBuilder),
+      cursorBuilders = Seq(topCursorBuilder, bottomCursorBuilder, gapCursorBuilder)
+    )
+  }
+
+  override val transportMarshaller: TransportMarshaller[Timeline, urt.TimelineResponse] =
+    urtTransportMarshaller
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedProductPipelineConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedProductPipelineConfig.scala
new file mode 100644
index 0000000000..0d524391ae
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/SubscribedProductPipelineConfig.scala
@@ -0,0 +1,123 @@
+package com.twitter.home_mixer.product.subscribed
+
+import com.twitter.conversions.DurationOps._
+import com.twitter.home_mixer.marshaller.timelines.ChronologicalCursorUnmarshaller
+import com.twitter.home_mixer.model.request.HomeMixerRequest
+import com.twitter.home_mixer.model.request.SubscribedProduct
+import com.twitter.home_mixer.model.request.SubscribedProductContext
+import com.twitter.home_mixer.product.subscribed.model.SubscribedQuery
+import com.twitter.home_mixer.product.subscribed.param.SubscribedParam.ServerMaxResultsParam
+import com.twitter.home_mixer.service.HomeMixerAccessPolicy.DefaultHomeMixerAccessPolicy
+import com.twitter.home_mixer.service.HomeMixerAlertConfig.DefaultNotificationGroup
+import com.twitter.product_mixer.component_library.model.cursor.UrtOrderedCursor
+import com.twitter.product_mixer.component_library.premarshaller.cursor.UrtCursorSerializer
+import com.twitter.product_mixer.core.functional_component.common.access_policy.AccessPolicy
+import com.twitter.product_mixer.core.functional_component.common.alert.Alert
+import com.twitter.product_mixer.core.functional_component.common.alert.LatencyAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.P99
+import com.twitter.product_mixer.core.functional_component.common.alert.SuccessRateAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.ThroughputAlert
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfAbove
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfBelow
+import com.twitter.product_mixer.core.functional_component.common.alert.predicate.TriggerIfLatencyAbove
+import com.twitter.product_mixer.core.model.common.identifier.ComponentIdentifier
+import com.twitter.product_mixer.core.model.common.identifier.ProductPipelineIdentifier
+import com.twitter.product_mixer.core.model.marshalling.request.Product
+import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.GapCursor
+import com.twitter.product_mixer.core.model.marshalling.response.urt.operation.TopCursor
+import com.twitter.product_mixer.core.pipeline.PipelineConfig
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.BadRequest
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.MalformedCursor
+import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
+import com.twitter.product_mixer.core.pipeline.product.ProductPipelineConfig
+import com.twitter.product_mixer.core.product.ProductParamConfig
+import com.twitter.product_mixer.core.util.SortIndexBuilder
+import com.twitter.timelines.configapi.Params
+import com.twitter.timelines.render.{thriftscala => urt}
+import com.twitter.timelines.util.RequestCursorSerializer
+import com.twitter.util.Time
+import com.twitter.util.Try
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SubscribedProductPipelineConfig @Inject() (
+  subscribedMixerPipelineConfig: SubscribedMixerPipelineConfig,
+  subscribedParamConfig: param.SubscribedParamConfig)
+    extends ProductPipelineConfig[HomeMixerRequest, SubscribedQuery, urt.TimelineResponse] {
+
+  override val identifier: ProductPipelineIdentifier = ProductPipelineIdentifier("Subscribed")
+
+  override val product: Product = SubscribedProduct
+  override val paramConfig: ProductParamConfig = subscribedParamConfig
+
+  override def pipelineQueryTransformer(
+    request: HomeMixerRequest,
+    params: Params
+  ): SubscribedQuery = {
+    val context = request.productContext match {
+      case Some(context: SubscribedProductContext) => context
+      case _ => throw PipelineFailure(BadRequest, "SubscribedProductContext not found")
+    }
+
+    val debugOptions = request.debugParams.flatMap(_.debugOptions)
+
+    /**
+     * Unlike other clients, newly created tweets on Android have the sort index set to the current
+     * time instead of the top sort index + 1, so these tweets get stuck at the top of the timeline
+     * if subsequent timeline responses use the sort index from the previous response instead of
+     * the current time.
+     */
+    val pipelineCursor = request.serializedRequestCursor.flatMap { cursor =>
+      Try(UrtCursorSerializer.deserializeOrderedCursor(cursor))
+        .getOrElse(ChronologicalCursorUnmarshaller(RequestCursorSerializer.deserialize(cursor)))
+        .map {
+          case UrtOrderedCursor(_, id, Some(GapCursor), gapBoundaryId)
+              if id.isEmpty || gapBoundaryId.isEmpty =>
+            throw PipelineFailure(MalformedCursor, "Gap Cursor bounds not defined")
+          case topCursor @ UrtOrderedCursor(_, _, Some(TopCursor), _) =>
+            val queryTime = debugOptions.flatMap(_.requestTimeOverride).getOrElse(Time.now)
+            topCursor.copy(initialSortIndex = SortIndexBuilder.timeToId(queryTime))
+          case cursor => cursor
+        }
+    }
+
+    SubscribedQuery(
+      params = params,
+      clientContext = request.clientContext,
+      features = None,
+      pipelineCursor = pipelineCursor,
+      requestedMaxResults = Some(params(ServerMaxResultsParam)),
+      debugOptions = debugOptions,
+      deviceContext = context.deviceContext,
+      seenTweetIds = context.seenTweetIds
+    )
+  }
+
+  override val pipelines: Seq[PipelineConfig] = Seq(subscribedMixerPipelineConfig)
+
+  override def pipelineSelector(
+    query: SubscribedQuery
+  ): ComponentIdentifier = subscribedMixerPipelineConfig.identifier
+
+  override val alerts: Seq[Alert] = Seq(
+    SuccessRateAlert(
+      notificationGroup = DefaultNotificationGroup,
+      warnPredicate = TriggerIfBelow(99.9, 20, 30),
+      criticalPredicate = TriggerIfBelow(99.9, 30, 30),
+    ),
+    LatencyAlert(
+      notificationGroup = DefaultNotificationGroup,
+      percentile = P99,
+      warnPredicate = TriggerIfLatencyAbove(1100.millis, 15, 30),
+      criticalPredicate = TriggerIfLatencyAbove(1200.millis, 15, 30)
+    ),
+    ThroughputAlert(
+      notificationGroup = DefaultNotificationGroup,
+      warnPredicate = TriggerIfAbove(18000),
+      criticalPredicate = TriggerIfAbove(20000)
+    )
+  )
+
+  override val debugAccessPolicies: Set[AccessPolicy] = DefaultHomeMixerAccessPolicy
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/BUILD.bazel
similarity index 57%
rename from home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator/BUILD.bazel
rename to home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/BUILD.bazel
index 154f840077..b821a8f8d2 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/query_feature_hydrator/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/BUILD.bazel
@@ -2,17 +2,19 @@ scala_library(
     sources = ["*.scala"],
     compiler_option_sets = ["fatal_warnings"],
     strict_deps = True,
+    tags = ["bazel-compatible"],
     dependencies = [
-        "follow-recommendations-service/thrift/src/main/thrift:thrift-scala",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model",
         "home-mixer/server/src/main/scala/com/twitter/home_mixer/model/request",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/model",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/candidate_source/recommendations",
-        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/flexible_injection_pipeline/transformer",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/functional_component/candidate_source/strato",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/cursor",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/pipeline/candidate/flexible_injection_pipeline",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
+        "stringcenter/client",
+        "stringcenter/client/src/main/java",
+    ],
+    exports = [
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/model/cursor",
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/pipeline",
-        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
-        "src/thrift/com/twitter/timelineranker:thrift-scala",
-        "timelinemixer/common/src/main/scala/com/twitter/timelinemixer/clients/timelineranker",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/SubscribedQuery.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/SubscribedQuery.scala
new file mode 100644
index 0000000000..2085ef54f2
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/model/SubscribedQuery.scala
@@ -0,0 +1,31 @@
+package com.twitter.home_mixer.product.subscribed.model
+
+import com.twitter.home_mixer.model.request.DeviceContext
+import com.twitter.home_mixer.model.request.HasDeviceContext
+import com.twitter.home_mixer.model.request.HasSeenTweetIds
+import com.twitter.home_mixer.model.request.SubscribedProduct
+import com.twitter.product_mixer.component_library.model.cursor.UrtOrderedCursor
+import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
+import com.twitter.product_mixer.core.model.marshalling.request._
+import com.twitter.product_mixer.core.pipeline.HasPipelineCursor
+import com.twitter.product_mixer.core.pipeline.PipelineQuery
+import com.twitter.timelines.configapi.Params
+
+case class SubscribedQuery(
+  override val params: Params,
+  override val clientContext: ClientContext,
+  override val pipelineCursor: Option[UrtOrderedCursor],
+  override val requestedMaxResults: Option[Int],
+  override val debugOptions: Option[DebugOptions],
+  override val features: Option[FeatureMap],
+  override val deviceContext: Option[DeviceContext],
+  override val seenTweetIds: Option[Seq[Long]])
+    extends PipelineQuery
+    with HasPipelineCursor[UrtOrderedCursor]
+    with HasDeviceContext
+    with HasSeenTweetIds {
+  override val product: Product = SubscribedProduct
+
+  override def withFeatureMap(features: FeatureMap): SubscribedQuery =
+    copy(features = Some(features))
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/BUILD.bazel
new file mode 100644
index 0000000000..a56e3a1fdc
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/BUILD.bazel
@@ -0,0 +1,14 @@
+scala_library(
+    sources = ["*.scala"],
+    compiler_option_sets = ["fatal_warnings"],
+    strict_deps = True,
+    tags = ["bazel-compatible"],
+    dependencies = [
+        "3rdparty/jvm/javax/inject:javax.inject",
+        "configapi/configapi-core/src/main/scala/com/twitter/timelines/configapi",
+        "home-mixer/server/src/main/scala/com/twitter/home_mixer/param/decider",
+        "product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/decorator/urt",
+        "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/product",
+        "util/util-core/src/main/scala/com/twitter/conversions",
+    ],
+)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParam.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParam.scala
new file mode 100644
index 0000000000..9e4ade43a3
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParam.scala
@@ -0,0 +1,15 @@
+package com.twitter.home_mixer.product.subscribed.param
+
+import com.twitter.timelines.configapi.FSBoundedParam
+
+object SubscribedParam {
+  val SupportedClientFSName = "subscribed_supported_client"
+
+  object ServerMaxResultsParam
+      extends FSBoundedParam[Int](
+        name = "subscribed_server_max_results",
+        default = 100,
+        min = 1,
+        max = 500
+      )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParamConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParamConfig.scala
new file mode 100644
index 0000000000..58ce7ec35e
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/subscribed/param/SubscribedParamConfig.scala
@@ -0,0 +1,18 @@
+package com.twitter.home_mixer.product.subscribed.param
+
+import com.twitter.home_mixer.param.decider.DeciderKey
+import com.twitter.home_mixer.product.subscribed.param.SubscribedParam._
+import com.twitter.product_mixer.core.product.ProductParamConfig
+import com.twitter.servo.decider.DeciderKeyName
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SubscribedParamConfig @Inject() () extends ProductParamConfig {
+  override val enabledDeciderKey: DeciderKeyName = DeciderKey.EnableSubscribedProduct
+  override val supportedClientFSName: String = SupportedClientFSName
+
+  override val boundedIntFSOverrides = Seq(
+    ServerMaxResultsParam
+  )
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/service/HomeMixerAlertConfig.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/service/HomeMixerAlertConfig.scala
index 93c361516c..597fd4d364 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/service/HomeMixerAlertConfig.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/service/HomeMixerAlertConfig.scala
@@ -26,7 +26,8 @@ object HomeMixerAlertConfig {
   object BusinessHours {
     val DefaultNotificationGroup: NotificationGroup = NotificationGroup(
       warn = Destination(emails = Seq("")),
-      critical = Destination(emails = Seq(""))
+      critical = Destination(emails =
+        Seq(""))
     )
 
     def defaultEmptyResponseRateAlert(warnThreshold: Double = 50, criticalThreshold: Double = 80) =
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/BUILD.bazel
index 89535dbd32..c4855d9e7a 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/BUILD.bazel
@@ -6,12 +6,8 @@ scala_library(
     dependencies = [
         "3rdparty/jvm/com/twitter/bijection:scrooge",
         "3rdparty/jvm/com/twitter/storehaus:core",
-        "home-mixer/server/src/main/scala/com/twitter/home_mixer/util",
-        "src/thrift/com/twitter/service/metastore/gen:thrift-java",
-        "src/thrift/com/twitter/service/metastore/gen:thrift-scala",
         "src/thrift/com/twitter/wtf/candidate:wtf-candidate-scala",
         "stitch/stitch-core",
         "storage/clients/manhattan/client/src/main/scala",
-        "timelinemixer/server/src/main/scala/com/twitter/timelinemixer/injection/repository/uss",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/UserLanguagesStore.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/UserLanguagesStore.scala
deleted file mode 100644
index 3f78ddb876..0000000000
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/store/UserLanguagesStore.scala
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.twitter.home_mixer.store
-
-import com.twitter.bijection.Injection
-import com.twitter.finagle.stats.StatsReceiver
-import com.twitter.home_mixer.store.ManhattanUserLanguagesKVDescriptor._
-import com.twitter.home_mixer.util.LanguageUtil
-import com.twitter.search.common.constants.{thriftscala => scc}
-import com.twitter.service.metastore.gen.{thriftscala => smg}
-import com.twitter.stitch.Stitch
-import com.twitter.storage.client.manhattan.bijections.Bijections
-import com.twitter.storage.client.manhattan.kv.ManhattanKVEndpoint
-import com.twitter.storage.client.manhattan.kv.ManhattanValue
-import com.twitter.storage.client.manhattan.kv.impl.ReadOnlyKeyDescriptor
-import com.twitter.storage.client.manhattan.kv.impl.ValueDescriptor
-import com.twitter.storehaus.ReadableStore
-import com.twitter.util.Future
-
-object ManhattanUserLanguagesKVDescriptor {
-  val userLanguagesDatasetName = "languages"
-  val keyInjection = Injection.connect[Long, Array[Byte]].andThen(Bijections.BytesInjection)
-  val keyDescriptor = ReadOnlyKeyDescriptor(keyInjection)
-  val valueDescriptor = ValueDescriptor(Bijections.BinaryScalaInjection(smg.UserLanguages))
-  val userLanguagesDatasetKey = keyDescriptor.withDataset(userLanguagesDatasetName)
-}
-
-class UserLanguagesStore(
-  manhattanKVEndpoint: ManhattanKVEndpoint,
-  statsReceiver: StatsReceiver)
-    extends ReadableStore[Long, Seq[scc.ThriftLanguage]] {
-
-  private val scopedStatsReceiver = statsReceiver.scope(getClass.getSimpleName)
-  private val keyFoundCounter = scopedStatsReceiver.counter("key/found")
-  private val keyLossCounter = scopedStatsReceiver.counter("key/loss")
-
-  override def get(viewerId: Long): Future[Option[Seq[scc.ThriftLanguage]]] =
-    Stitch
-      .run(
-        manhattanKVEndpoint.get(key = userLanguagesDatasetKey.withPkey(viewerId), valueDescriptor))
-      .map {
-        case Some(mhResponse: ManhattanValue[smg.UserLanguages]) =>
-          keyFoundCounter.incr()
-          Some(LanguageUtil.computeLanguages(mhResponse.contents))
-        case _ =>
-          keyLossCounter.incr()
-          None
-      }
-}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/BUILD.bazel
index 2330dd5417..8e04fa11fd 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/BUILD.bazel
@@ -11,8 +11,11 @@ scala_library(
         "product-mixer/core/src/main/scala/com/twitter/product_mixer/core/model/common/presentation",
         "servo/repo/src/main/scala",
         "snowflake/src/main/scala/com/twitter/snowflake/id",
+        "src/java/com/twitter/ml/api:api-base",
+        "src/java/com/twitter/ml/api/util",
         "src/java/com/twitter/search/common/util/lang",
         "src/scala/com/twitter/ml/api/util",
+        "src/thrift/com/twitter/ml/api:data-java",
         "src/thrift/com/twitter/search/common:constants-java",
         "src/thrift/com/twitter/search/common:constants-scala",
         "src/thrift/com/twitter/service/metastore/gen:thrift-java",
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CachedScoredTweetsHelper.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CachedScoredTweetsHelper.scala
index 740fd03ec9..e0fbdd76fc 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CachedScoredTweetsHelper.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CachedScoredTweetsHelper.scala
@@ -32,6 +32,7 @@ object CachedScoredTweetsHelper {
     untilTime: Time
   ): Seq[Long] =
     tweetImpressionsAndCachedScoredTweets(features, candidatePipelineIdentifier)
+      .filter { tweetId => SnowflakeId.isSnowflakeId(tweetId) }
       .filter { tweetId =>
         val creationTime = SnowflakeId.timeFromId(tweetId)
         sinceTime <= creationTime && untilTime >= creationTime
@@ -39,7 +40,7 @@ object CachedScoredTweetsHelper {
 
   def unseenCachedScoredTweets(
     features: FeatureMap
-  ): Seq[hmt.CachedScoredTweet] = {
+  ): Seq[hmt.ScoredTweet] = {
     val seenTweetIds = TweetImpressionsHelper.tweetImpressions(features)
 
     features
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CandidatesUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CandidatesUtil.scala
index 4bf265fd13..06fe5646ca 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CandidatesUtil.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/CandidatesUtil.scala
@@ -3,6 +3,7 @@ package com.twitter.home_mixer.util
 import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.FavoritedByUserIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.HasImageFeature
+import com.twitter.home_mixer.model.HomeFeatures.InReplyToTweetIdFeature
 import com.twitter.home_mixer.model.HomeFeatures.IsRetweetFeature
 import com.twitter.home_mixer.model.HomeFeatures.MediaUnderstandingAnnotationIdsFeature
 import com.twitter.home_mixer.model.HomeFeatures.RepliedByEngagerIdsFeature
@@ -21,7 +22,6 @@ import com.twitter.product_mixer.core.model.common.presentation.ModuleCandidateW
 import com.twitter.product_mixer.core.pipeline.PipelineQuery
 import com.twitter.product_mixer.core.pipeline.pipeline_failure.PipelineFailure
 import com.twitter.product_mixer.core.pipeline.pipeline_failure.UnexpectedCandidateResult
-
 import scala.reflect.ClassTag
 
 object CandidatesUtil {
@@ -52,11 +52,22 @@ object CandidatesUtil {
     case _ => false
   }
 
+  def getOriginalTweetId(candidate: CandidateWithFeatures[TweetCandidate]): Long = {
+    if (candidate.features.getOrElse(IsRetweetFeature, false))
+      candidate.features.getOrElse(SourceTweetIdFeature, None).getOrElse(candidate.candidate.id)
+    else
+      candidate.candidate.id
+  }
+
   def getOriginalAuthorId(candidateFeatures: FeatureMap): Option[Long] =
     if (candidateFeatures.getOrElse(IsRetweetFeature, false))
       candidateFeatures.getOrElse(SourceUserIdFeature, None)
     else candidateFeatures.getOrElse(AuthorIdFeature, None)
 
+  def isOriginalTweet(candidate: CandidateWithFeatures[TweetCandidate]): Boolean =
+    !candidate.features.getOrElse(IsRetweetFeature, false) &&
+      candidate.features.getOrElse(InReplyToTweetIdFeature, None).isEmpty
+
   def getEngagerUserIds(
     candidateFeatures: FeatureMap
   ): Seq[Long] = {
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/DataRecordUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/DataRecordUtil.scala
new file mode 100644
index 0000000000..b972b8158f
--- /dev/null
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/DataRecordUtil.scala
@@ -0,0 +1,31 @@
+package com.twitter.home_mixer.util
+
+import com.twitter.ml.api.DataRecord
+import com.twitter.ml.api.FeatureContext
+import com.twitter.ml.api.util.SRichDataRecord
+import com.twitter.ml.api.Feature
+import java.lang.{Double => JDouble}
+
+object DataRecordUtil {
+  def applyRename(
+    dataRecord: DataRecord,
+    featureContext: FeatureContext,
+    renamedFeatureContext: FeatureContext,
+    featureRenamingMap: Map[Feature[_], Feature[_]]
+  ): DataRecord = {
+    val richFullDr = new SRichDataRecord(dataRecord, featureContext)
+    val richNewDr = new SRichDataRecord(new DataRecord, renamedFeatureContext)
+    val featureIterator = featureContext.iterator()
+    featureIterator.forEachRemaining { feature =>
+      if (richFullDr.hasFeature(feature)) {
+        val renamedFeature = featureRenamingMap.getOrElse(feature, feature)
+
+        val typedFeature = feature.asInstanceOf[Feature[JDouble]]
+        val typedRenamedFeature = renamedFeature.asInstanceOf[Feature[JDouble]]
+
+        richNewDr.setFeatureValue(typedRenamedFeature, richFullDr.getFeatureValue(typedFeature))
+      }
+    }
+    richNewDr.getRecord
+  }
+}
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/LanguageUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/LanguageUtil.scala
index 3969ef64da..23c77c27fd 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/LanguageUtil.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/LanguageUtil.scala
@@ -6,7 +6,7 @@ import com.twitter.service.metastore.gen.{thriftscala => smg}
 
 object LanguageUtil {
 
-  private val DafaultMinProducedLanguageRatio = 0.05
+  private val DefaultMinProducedLanguageRatio = 0.05
   private val DefaultMinConsumedLanguageConfidence = 0.8
 
   /**
@@ -17,7 +17,7 @@ object LanguageUtil {
    */
   def computeLanguages(
     userLanguages: smg.UserLanguages,
-    minProducedLanguageRatio: Double = DafaultMinProducedLanguageRatio,
+    minProducedLanguageRatio: Double = DefaultMinProducedLanguageRatio,
     minConsumedLanguageConfidence: Double = DefaultMinConsumedLanguageConfidence
   ): Seq[scc.ThriftLanguage] = {
     val languageConfidenceMap = computeLanguageConfidenceMap(
@@ -25,7 +25,7 @@ object LanguageUtil {
       minProducedLanguageRatio,
       minConsumedLanguageConfidence
     )
-    languageConfidenceMap.toSeq.sortWith(_._2 > _._2).map(_._1) // _1 = language, _2 = score
+    languageConfidenceMap.toSeq.sortBy(-_._2).map(_._1) // _1 = language, _2 = score
   }
 
   /**
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/BUILD.bazel b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/BUILD.bazel
index 0ca1f89aaa..2b57221798 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/BUILD.bazel
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/BUILD.bazel
@@ -14,5 +14,10 @@ scala_library(
         "src/thrift/com/twitter/search/common:constants-scala",
         "src/thrift/com/twitter/search/common:query-scala",
         "src/thrift/com/twitter/search/common:ranking-scala",
+        "timelines/src/main/scala/com/twitter/timelines/clients/relevance_search",
+        "timelines/src/main/scala/com/twitter/timelines/earlybird/common/options",
+        "timelines/src/main/scala/com/twitter/timelines/earlybird/common/utils",
+        "timelines/src/main/scala/com/twitter/timelines/model/types",
+        "timelines/src/main/scala/com/twitter/timelines/util/stats",
     ],
 )
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdRequestUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdRequestUtil.scala
index 19df02a200..4c482b251e 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdRequestUtil.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdRequestUtil.scala
@@ -2,41 +2,165 @@ package com.twitter.home_mixer.util.earlybird
 
 import com.twitter.conversions.DurationOps._
 import com.twitter.search.common.query.thriftjava.{thriftscala => scq}
+import com.twitter.search.common.ranking.{thriftscala => scr}
 import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelines.clients.relevance_search.SearchClient.TweetFeatures
+import com.twitter.timelines.clients.relevance_search.SearchClient.TweetTypes
+import com.twitter.timelines.clients.relevance_search.SearchQueryBuilder
+import com.twitter.timelines.clients.relevance_search.SearchQueryBuilder.QueryWithNamedDisjunctions
+import com.twitter.timelines.earlybird.common.options.EarlybirdScoringModelConfig
+import com.twitter.timelines.earlybird.common.utils.SearchOperator
 import com.twitter.util.Duration
 
 object EarlybirdRequestUtil {
 
-  // If no EarlybirdOptions.maxNumHitsPerShard is set then default to this value.
   val DefaultMaxHitsToProcess = 1000
   val DefaultSearchProcessingTimeout: Duration = 200.milliseconds
-  val DefaultMaxNumResultsPerShard = 100
-  val DeafultCollectorParams = scq.CollectorParams(
-    // numResultsToReturn defines how many results each EB shard will return to search root
-    numResultsToReturn = DefaultMaxNumResultsPerShard,
-    // terminationParams.maxHitsToProcess is used for early terminating per shard results fetching.
-    terminationParams = Some(
-      scq.CollectorTerminationParams(
-        maxHitsToProcess = Some(DefaultMaxHitsToProcess),
-        timeoutMs = DefaultSearchProcessingTimeout.inMilliseconds.toInt
-      ))
-  )
+  val DefaultHydrationMaxNumResultsPerShard = 1000
+  val DefaultQueryMaxNumResultsPerShard = 300
+  val DefaultHydrationCollectorParams = mkCollectorParams(DefaultHydrationMaxNumResultsPerShard)
 
-  def getTweetsEBFeaturesRequest(
+  private val queryBuilder = new SearchQueryBuilder
+
+  object EarlybirdScoringModels {
+    val UnifiedEngagementProd: Seq[EarlybirdScoringModelConfig] = Seq(
+      EarlybirdScoringModelConfig("timelines_unified_engagement_prod.schema_based", 1.0)
+    )
+
+    val UnifiedEngagementRectweet: Seq[EarlybirdScoringModelConfig] = Seq(
+      EarlybirdScoringModelConfig("timelines_unified_engagement_rectweet.schema_based", 1.0)
+    )
+  }
+
+  private[earlybird] def mkCollectorParams(numResultsToReturn: Int): scq.CollectorParams = {
+    scq.CollectorParams(
+      // numResultsToReturn defines how many results each EB shard will return to search root
+      numResultsToReturn = numResultsToReturn,
+      // terminationParams.maxHitsToProcess is used for early terminating per shard results fetching.
+      terminationParams = Some(
+        scq.CollectorTerminationParams(
+          maxHitsToProcess = Some(DefaultMaxHitsToProcess),
+          timeoutMs = DefaultSearchProcessingTimeout.inMilliseconds.toInt
+        ))
+    )
+  }
+
+  private def getRankingParams(
+    authorScoreMap: Option[Map[Long, Double]],
+    tensorflowModel: Option[String],
+    ebModels: Seq[EarlybirdScoringModelConfig]
+  ): Option[scr.ThriftRankingParams] = {
+    if (tensorflowModel.nonEmpty) {
+      Some(
+        scr.ThriftRankingParams(
+          `type` = Some(scr.ThriftScoringFunctionType.TensorflowBased),
+          selectedTensorflowModel = tensorflowModel,
+          minScore = -1.0e100,
+          applyBoosts = false,
+          authorSpecificScoreAdjustments = authorScoreMap
+        )
+      )
+    } else if (ebModels.nonEmpty) {
+      Some(
+        scr.ThriftRankingParams(
+          `type` = Some(scr.ThriftScoringFunctionType.ModelBased),
+          selectedModels = Some(ebModels.map(m => m.name -> m.weight).toMap),
+          applyBoosts = false,
+          minScore = -1.0e100,
+          authorSpecificScoreAdjustments = authorScoreMap
+        )
+      )
+    } else None
+  }
+
+  def getTweetsRequest(
+    userId: Option[Long],
+    clientId: Option[String],
+    skipVeryRecentTweets: Boolean,
+    followedUserIds: Set[Long],
+    retweetsMutedUserIds: Set[Long],
+    beforeTweetIdExclusive: Option[Long],
+    afterTweetIdExclusive: Option[Long],
+    excludedTweetIds: Option[Set[Long]] = None,
+    maxCount: Int,
+    tweetTypes: TweetTypes.ValueSet,
+    authorScoreMap: Option[Map[Long, Double]] = None,
+    tensorflowModel: Option[String] = None,
+    ebModels: Seq[EarlybirdScoringModelConfig] = Seq.empty,
+    queryMaxNumResultsPerShard: Int = DefaultQueryMaxNumResultsPerShard
+  ): eb.EarlybirdRequest = {
+
+    val QueryWithNamedDisjunctions(query, namedDisjunctionMap) = queryBuilder.create(
+      followedUserIds,
+      retweetsMutedUserIds,
+      beforeTweetIdExclusive,
+      afterTweetIdExclusive,
+      semanticCoreIds = None,
+      languages = None,
+      tweetTypes = tweetTypes,
+      searchOperator = SearchOperator.Exclude,
+      tweetFeatures = TweetFeatures.All,
+      excludedTweetIds = excludedTweetIds.getOrElse(Set.empty),
+      enableExcludeSourceTweetIdsQuery = false
+    )
+    val ebRankingParams = getRankingParams(authorScoreMap, tensorflowModel, ebModels)
+    val relOptions = RelevanceSearchUtil.RelevanceOptions.copy(
+      rankingParams = ebRankingParams
+    )
+
+    val followedUserIdsSeq = followedUserIds.toSeq
+    val namedDisjunctionMapOpt =
+      if (namedDisjunctionMap.isEmpty) None
+      else Some(namedDisjunctionMap.mapValues(_.toSeq))
+
+    val thriftQuery = eb.ThriftSearchQuery(
+      serializedQuery = Some(query.serialize),
+      fromUserIDFilter64 = Some(followedUserIdsSeq),
+      numResults = maxCount,
+      collectConversationId = true,
+      rankingMode = eb.ThriftSearchRankingMode.Relevance,
+      relevanceOptions = Some(relOptions),
+      collectorParams = Some(mkCollectorParams(queryMaxNumResultsPerShard)),
+      facetFieldNames = Some(RelevanceSearchUtil.FacetsToFetch),
+      resultMetadataOptions = Some(RelevanceSearchUtil.MetadataOptions),
+      searcherId = userId,
+      searchStatusIds = None,
+      namedDisjunctionMap = namedDisjunctionMapOpt
+    )
+
+    eb.EarlybirdRequest(
+      searchQuery = thriftQuery,
+      clientId = clientId,
+      getOlderResults = Some(false),
+      followedUserIds = Some(followedUserIdsSeq),
+      getProtectedTweetsOnly = Some(false),
+      timeoutMs = DefaultSearchProcessingTimeout.inMilliseconds.toInt,
+      skipVeryRecentTweets = skipVeryRecentTweets,
+      numResultsToReturnAtRoot = Some(maxCount)
+    )
+  }
+
+  def getTweetsFeaturesRequest(
     userId: Option[Long],
     tweetIds: Option[Seq[Long]],
     clientId: Option[String],
-    getTweetsFromArchiveIndex: Boolean = false,
     getOnlyProtectedTweets: Boolean = false,
+    authorScoreMap: Option[Map[Long, Double]] = None,
+    tensorflowModel: Option[String] = None,
+    ebModels: Seq[EarlybirdScoringModelConfig] = Seq.empty
   ): eb.EarlybirdRequest = {
 
     val candidateSize = tweetIds.getOrElse(Seq.empty).size
+    val ebRankingParams = getRankingParams(authorScoreMap, tensorflowModel, ebModels)
+    val relOptions = RelevanceSearchUtil.RelevanceOptions.copy(
+      rankingParams = ebRankingParams
+    )
     val thriftQuery = eb.ThriftSearchQuery(
       numResults = candidateSize,
       collectConversationId = true,
       rankingMode = eb.ThriftSearchRankingMode.Relevance,
-      relevanceOptions = Some(RelevanceSearchUtil.RelevanceOptions),
-      collectorParams = Some(DeafultCollectorParams),
+      relevanceOptions = Some(relOptions),
+      collectorParams = Some(DefaultHydrationCollectorParams),
       facetFieldNames = Some(RelevanceSearchUtil.FacetsToFetch),
       resultMetadataOptions = Some(RelevanceSearchUtil.MetadataOptions),
       searcherId = userId,
@@ -46,7 +170,7 @@ object EarlybirdRequestUtil {
     eb.EarlybirdRequest(
       searchQuery = thriftQuery,
       clientId = clientId,
-      getOlderResults = Some(getTweetsFromArchiveIndex),
+      getOlderResults = Some(false),
       getProtectedTweetsOnly = Some(getOnlyProtectedTweets),
       timeoutMs = DefaultSearchProcessingTimeout.inMilliseconds.toInt,
       skipVeryRecentTweets = true,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdResponseUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdResponseUtil.scala
index fb52e96890..06e0dd7089 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdResponseUtil.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/EarlybirdResponseUtil.scala
@@ -6,6 +6,7 @@ import com.twitter.search.common.schema.earlybird.EarlybirdFieldConstants.Earlyb
 import com.twitter.search.common.schema.earlybird.EarlybirdFieldConstants.EarlybirdFieldConstant._
 import com.twitter.search.common.util.lang.ThriftLanguageUtil
 import com.twitter.search.earlybird.{thriftscala => eb}
+import com.twitter.timelines.earlybird.common.utils.InNetworkEngagement
 
 object EarlybirdResponseUtil {
 
@@ -53,6 +54,13 @@ object EarlybirdResponseUtil {
     facetLabels.filter(_.fieldName == facetName).map(_.label.filterNot(charsToRemove))
   }
 
+  private def isUserMentioned(
+    screenName: Option[String],
+    mentions: Seq[String],
+    mentionsInSourceTweet: Seq[String]
+  ): Boolean =
+    isUserMentioned(screenName, mentions) || isUserMentioned(screenName, mentionsInSourceTweet)
+
   private def isUserMentioned(
     screenName: Option[String],
     mentions: Seq[String]
@@ -121,44 +129,64 @@ object EarlybirdResponseUtil {
       None
   }
 
-  def getOONTweetThriftFeaturesByTweetId(
+  def getTweetThriftFeaturesByTweetId(
     searcherUserId: Long,
     screenName: Option[String],
     userLanguages: Seq[scc.ThriftLanguage],
     uiLanguageCode: Option[String] = None,
+    followedUserIds: Set[Long],
+    mutuallyFollowingUserIds: Set[Long],
     searchResults: Seq[eb.ThriftSearchResult],
+    sourceTweetSearchResults: Seq[eb.ThriftSearchResult],
   ): Map[Long, sc.ThriftTweetFeatures] = {
 
+    val allSearchResults = searchResults ++ sourceTweetSearchResults
+    val sourceTweetSearchResultById =
+      sourceTweetSearchResults.map(result => (result.id -> result)).toMap
+    val inNetworkEngagement =
+      InNetworkEngagement(followedUserIds.toSeq, mutuallyFollowingUserIds, allSearchResults)
     searchResults.map { searchResult =>
-      val features = getOONThriftTweetFeaturesFromSearchResult(
+      val features = getThriftTweetFeaturesFromSearchResult(
         searcherUserId,
         screenName,
         userLanguages,
         getLanguage(uiLanguageCode),
         getTweetCountByAuthorId(searchResults),
+        followedUserIds,
+        mutuallyFollowingUserIds,
+        sourceTweetSearchResultById,
+        inNetworkEngagement,
         searchResult
       )
       (searchResult.id -> features)
     }.toMap
   }
 
-  private[earlybird] def getOONThriftTweetFeaturesFromSearchResult(
+  private[earlybird] def getThriftTweetFeaturesFromSearchResult(
     searcherUserId: Long,
     screenName: Option[String],
     userLanguages: Seq[scc.ThriftLanguage],
     uiLanguage: Option[scc.ThriftLanguage],
     tweetCountByAuthorId: Map[Long, Int],
-    searchResult: eb.ThriftSearchResult
+    followedUserIds: Set[Long],
+    mutuallyFollowingUserIds: Set[Long],
+    sourceTweetSearchResultById: Map[Long, eb.ThriftSearchResult],
+    inNetworkEngagement: InNetworkEngagement,
+    searchResult: eb.ThriftSearchResult,
   ): sc.ThriftTweetFeatures = {
     val applyFeatures = (applyUserIndependentFeatures(
       searchResult
     )(_)).andThen(
-      applyOONUserDependentFeatures(
+      applyUserDependentFeatures(
         searcherUserId,
         screenName,
         userLanguages,
         uiLanguage,
         tweetCountByAuthorId,
+        followedUserIds,
+        mutuallyFollowingUserIds,
+        sourceTweetSearchResultById,
+        inNetworkEngagement,
         searchResult
       )(_)
     )
@@ -317,21 +345,19 @@ object EarlybirdResponseUtil {
       }
       .getOrElse(thriftTweetFeatures)
 
-    if (result.tweetSource.contains(eb.ThriftTweetSource.RealtimeProtectedCluster)) {
-      features.copy(isProtected = true)
-    } else {
-      features
-    }
+    features
   }
 
-  // Omitting inNetwork features e.g source tweet features and follow graph.
-  // Can be expanded to include InNetwork in the future.
-  def applyOONUserDependentFeatures(
+  private def applyUserDependentFeatures(
     searcherUserId: Long,
     screenName: Option[String],
     userLanguages: Seq[scc.ThriftLanguage],
     uiLanguage: Option[scc.ThriftLanguage],
     tweetCountByAuthorId: Map[Long, Int],
+    followedUserIds: Set[Long],
+    mutuallyFollowingUserIds: Set[Long],
+    sourceTweetSearchResultById: Map[Long, eb.ThriftSearchResult],
+    inNetworkEngagement: InNetworkEngagement,
     result: eb.ThriftSearchResult
   )(
     thriftTweetFeatures: sc.ThriftTweetFeatures
@@ -339,21 +365,30 @@ object EarlybirdResponseUtil {
     result.metadata
       .map { metadata =>
         val isRetweet = metadata.isRetweet.getOrElse(false)
+        val sourceTweet =
+          if (isRetweet) sourceTweetSearchResultById.get(metadata.sharedStatusId)
+          else None
+        val mentionsInSourceTweet = sourceTweet.map(getMentions).getOrElse(Seq.empty)
+
         val isReply = metadata.isReply.getOrElse(false)
         val replyToSearcher = isReply && (metadata.referencedTweetAuthorId == searcherUserId)
         val replyOther = isReply && !replyToSearcher
         val retweetOther = isRetweet && (metadata.referencedTweetAuthorId != searcherUserId)
         val tweetLanguage = metadata.language.getOrElse(scc.ThriftLanguage.Unknown)
 
+        val referencedTweetAuthorId =
+          if (metadata.referencedTweetAuthorId > 0) Some(metadata.referencedTweetAuthorId) else None
+        val inReplyToUserId = if (!isRetweet) referencedTweetAuthorId else None
+
         thriftTweetFeatures.copy(
           // Info about the Tweet.
           fromSearcher = metadata.fromUserId == searcherUserId,
-          probablyFromFollowedAuthor = false,
-          fromMutualFollow = false,
+          probablyFromFollowedAuthor = followedUserIds.contains(metadata.fromUserId),
+          fromMutualFollow = mutuallyFollowingUserIds.contains(metadata.fromUserId),
           replySearcher = replyToSearcher,
           replyOther = replyOther,
           retweetOther = retweetOther,
-          mentionSearcher = isUserMentioned(screenName, getMentions(result)),
+          mentionSearcher = isUserMentioned(screenName, getMentions(result), mentionsInSourceTweet),
           // Info about Tweet content/media.
           matchesSearcherMainLang = isUsersMainLanguage(tweetLanguage, userLanguages),
           matchesSearcherLangs = isUsersLanguage(tweetLanguage, userLanguages),
@@ -362,6 +397,13 @@ object EarlybirdResponseUtil {
           prevUserTweetEngagement =
             metadata.extraMetadata.flatMap(_.prevUserTweetEngagement).getOrElse(DefaultCount),
           tweetCountFromUserInSnapshot = tweetCountByAuthorId(metadata.fromUserId),
+          bidirectionalReplyCount = inNetworkEngagement.biDirectionalReplyCounts(result.id),
+          unidirectionalReplyCount = inNetworkEngagement.uniDirectionalReplyCounts(result.id),
+          bidirectionalRetweetCount = inNetworkEngagement.biDirectionalRetweetCounts(result.id),
+          unidirectionalRetweetCount = inNetworkEngagement.uniDirectionalRetweetCounts(result.id),
+          conversationCount = inNetworkEngagement.descendantReplyCounts(result.id),
+          directedAtUserIdIsInFirstDegree =
+            if (isReply) inReplyToUserId.map(followedUserIds.contains) else None,
         )
       }
       .getOrElse(thriftTweetFeatures)
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/RelevanceSearchUtil.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/RelevanceSearchUtil.scala
index 0de4546a6a..40b7271412 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/RelevanceSearchUtil.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/earlybird/RelevanceSearchUtil.scala
@@ -1,7 +1,6 @@
 package com.twitter.home_mixer.util.earlybird
 
 import com.twitter.search.common.schema.earlybird.EarlybirdFieldConstants.EarlybirdFieldConstant
-import com.twitter.search.common.ranking.{thriftscala => scr}
 import com.twitter.search.earlybird.{thriftscala => eb}
 
 object RelevanceSearchUtil {
@@ -10,16 +9,6 @@ object RelevanceSearchUtil {
   val Hashtags: String = EarlybirdFieldConstant.HASHTAGS_FACET
   val FacetsToFetch: Seq[String] = Seq(Mentions, Hashtags)
 
-  private val RankingParams: scr.ThriftRankingParams = {
-    scr.ThriftRankingParams(
-      `type` = Some(scr.ThriftScoringFunctionType.TensorflowBased),
-      selectedTensorflowModel = Some("timelines_rectweet_replica"),
-      minScore = -1.0e100,
-      selectedModels = Some(Map("home_mixer_unified_engagement_prod" -> 1.0)),
-      applyBoosts = false,
-    )
-  }
-
   val MetadataOptions: eb.ThriftSearchResultMetadataOptions = {
     eb.ThriftSearchResultMetadataOptions(
       getTweetUrls = true,
@@ -39,7 +28,7 @@ object RelevanceSearchUtil {
     eb.ThriftSearchRelevanceOptions(
       proximityScoring = true,
       maxConsecutiveSameUser = Some(2),
-      rankingParams = Some(RankingParams),
+      rankingParams = None,
       maxHitsToProcess = Some(500),
       maxUserBlendCount = Some(3),
       proximityPhraseWeight = 9.0,
diff --git a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/RequestFields.scala b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/RequestFields.scala
index 9d048005ef..e20aead949 100644
--- a/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/RequestFields.scala
+++ b/home-mixer/server/src/main/scala/com/twitter/home_mixer/util/tweetypie/RequestFields.scala
@@ -44,7 +44,8 @@ object RequestFields {
       tp.TweetInclude.TweetFieldId(tp.Tweet.QuotedTweetField.id),
       tp.TweetInclude.TweetFieldId(tp.Tweet.CommunitiesField.id),
       // Field required for determining if a Tweet was created via News Camera.
-      tp.TweetInclude.TweetFieldId(tp.Tweet.ComposerSourceField.id)
+      tp.TweetInclude.TweetFieldId(tp.Tweet.ComposerSourceField.id),
+      tp.TweetInclude.TweetFieldId(tp.Tweet.LanguageField.id)
     )
 
   val TweetStaticEntitiesFields: Set[tp.TweetInclude] =