diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd3f1236c..b598ec4f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@
 * Add customization parameter 'hideRightMenu' for hiding right panel on first loading (bug #39096)
 
 ### Document Editor
+* Search selected text
+* Add blank page
 
 ### Spreadsheet Editor
 * Set print area
diff --git a/apps/common/main/lib/collection/Comments.js b/apps/common/main/lib/collection/Comments.js
index 1c9fdb4b1..2f34243d7 100644
--- a/apps/common/main/lib/collection/Comments.js
+++ b/apps/common/main/lib/collection/Comments.js
@@ -52,6 +52,7 @@ define([
 
     Common.Collections.Comments = Backbone.Collection.extend({
         model: Common.Models.Comment,
+        groups: null,
 
         clearEditing: function () {
             this.each(function(comment) {
diff --git a/apps/common/main/lib/component/Button.js b/apps/common/main/lib/component/Button.js
index 28c23636f..6076f836c 100644
--- a/apps/common/main/lib/component/Button.js
+++ b/apps/common/main/lib/component/Button.js
@@ -132,7 +132,8 @@ define([
         };
 
         ButtonsArray.prototype.setDisabled = function(disable) {
-            if ( _disabled != disable ) {
+            // if ( _disabled != disable ) //bug when disable buttons outside the group
+            {
                 _disabled = disable;
 
                 this.forEach( function(button) {
diff --git a/apps/common/main/lib/component/Mixtbar.js b/apps/common/main/lib/component/Mixtbar.js
index 667b36449..4604dff93 100644
--- a/apps/common/main/lib/component/Mixtbar.js
+++ b/apps/common/main/lib/component/Mixtbar.js
@@ -88,7 +88,7 @@ define([
 
                 var _template_tabs =
                     '<section class="tabs">' +
-                        '<a class="scroll left"><i class="icon">&lt;</i></a>' +
+                        '<a class="scroll left"></a>' +
                         '<ul>' +
                             '<% for(var i in items) { %>' +
                                 '<li class="ribtab' +
@@ -98,7 +98,7 @@ define([
                                 '</li>' +
                             '<% } %>' +
                         '</ul>' +
-                        '<a class="scroll right"><i class="icon">&gt;</i></a>' +
+                        '<a class="scroll right"></a>' +
                     '</section>';
 
                 this.$layout = $(options.template({
diff --git a/apps/common/main/lib/controller/Comments.js b/apps/common/main/lib/controller/Comments.js
index ecf6b09ad..ef24cdcf9 100644
--- a/apps/common/main/lib/controller/Comments.js
+++ b/apps/common/main/lib/controller/Comments.js
@@ -150,6 +150,8 @@ define([
                 this.popoverComments.comparator =   function (collection) { return collection.get('time'); };
             }
 
+            this.groupCollection = [];
+
             this.view = this.createView('Common.Views.Comments', { store: this.collection });
             this.view.render();
 
@@ -229,12 +231,12 @@ define([
                 this.api.asc_removeComment(id);
             }
         },
-        onResolveComment: function (uid, id) {
+        onResolveComment: function (uid) {
             var t = this,
                 reply = null,
                 addReply = null,
                 ascComment = buildCommentData(),   //  new asc_CCommentData(null),
-                comment = t.findComment(uid, id);
+                comment = t.findComment(uid);
 
             if (_.isUndefined(uid)) {
                 uid = comment.get('uid');
@@ -279,7 +281,7 @@ define([
         onShowComment: function (id, selected) {
             if (this.previewmode) return;
 
-            var comment = this.findComment(id, undefined);
+            var comment = this.findComment(id);
             if (comment) {
                 if (null !== comment.get('quote')) {
                     if (this.api) {
@@ -596,47 +598,40 @@ define([
             if (filter) {
                 if (!this.view.isVisible()) {
                     this.view.needUpdateFilter = filter;
-                    this.filter = {
-                        property    :   filter.property,
-                        value       :   filter.value
-                    };
-                    return;
+                    applyOnly = true;
                 }
-                this.view.needUpdateFilter = false;
+                this.filter = filter;
 
-                this.filter = {
-                    property    :   filter.property,
-                    value       :   filter.value
-                };
+                var me = this,
+                    comments = [];
+                this.filter.forEach(function(item){
+                    if (!me.groupCollection[item])
+                        me.groupCollection[item] = new Backbone.Collection([], { model: Common.Models.Comment});
+                    comments = comments.concat(me.groupCollection[item].models);
+                });
+                this.collection.reset(comments);
+                this.collection.groups = this.filter;
 
                 if (!applyOnly) {
                     if (this.getPopover()) {
                         this.getPopover().hide();
                     }
-                }
+                    this.view.needUpdateFilter = false;
 
-                var t = this, endComment = null;
-
-                this.collection.each(function (model) {
-                    var prop = model.get(t.filter.property);
-                    if (prop) {
-                        model.set('hide', (null === prop.match(t.filter.value)), {silent: !!applyOnly});
+                    var end = true;
+                    for (var i = this.collection.length - 1; i >= 0; --i) {
+                        if (end) {
+                            this.collection.at(i).set('last', true, {silent: true});
+                        } else {
+                            if (this.collection.at(i).get('last')) {
+                                this.collection.at(i).set('last', false, {silent: true});
+                            }
+                        }
+                        end = false;
                     }
-
-                    if (model.get('last')) {
-                        model.set('last', false, {silent:!!applyOnly});
-                    }
-
-                    if (!model.get('hide')) {
-                        endComment = model;
-                    }
-                });
-
-                if (endComment) {
-                    endComment.set('last', true, {silent: !!applyOnly});
-                }
-                if (!applyOnly)
+                    this.view.render();
                     this.view.update();
+                }
             }
         },
         onAppAddComment: function (sender, to_doc) {
@@ -644,12 +639,23 @@ define([
             this.addDummyComment();
         },
 
+        addCommentToGroupCollection: function(comment) {
+            var groupname = comment.get('groupName');
+            if (!this.groupCollection[groupname])
+                this.groupCollection[groupname] = new Backbone.Collection([], { model: Common.Models.Comment});
+            this.groupCollection[groupname].push(comment);
+        },
+
         // SDK
 
         onApiAddComment: function (id, data) {
             var comment = this.readSDKComment(id, data);
             if (comment) {
-                this.collection.push(comment);
+                if (comment.get('groupName')) {
+                    this.addCommentToGroupCollection(comment);
+                    (_.indexOf(this.collection.groups, comment.get('groupName'))>-1) && this.collection.push(comment);
+                } else
+                    this.collection.push(comment);
 
                 this.updateComments(true);
 
@@ -668,12 +674,20 @@ define([
         onApiAddComments: function (data) {
             for (var i = 0; i < data.length; ++i) {
                 var comment = this.readSDKComment(data[i].asc_getId(), data[i]);
-                this.collection.push(comment);
+                comment.get('groupName') ? this.addCommentToGroupCollection(comment) : this.collection.push(comment);
             }
 
             this.updateComments(true);
         },
         onApiRemoveComment: function (id, silentUpdate) {
+            for (var name in this.groupCollection) {
+                var store = this.groupCollection[name],
+                    model = store.findWhere({uid: id});
+                if (model) {
+                    store.remove(model);
+                    break;
+                }
+            }
             if (this.collection.length) {
                 var model = this.collection.findWhere({uid: id});
                 if (model) {
@@ -717,7 +731,7 @@ define([
                 replies = null,
                 repliesCount = 0,
                 dateReply = null,
-                comment = this.findComment(id);
+                comment = this.findComment(id) || this.findCommentInGroup(id);
 
             if (comment) {
                 t = this;
@@ -776,7 +790,7 @@ define([
             }
         },
         onApiLockComment: function (id,userId) {
-            var cur = this.findComment(id),
+            var cur = this.findComment(id) || this.findCommentInGroup(id),
                 user = null;
 
             if (cur) {
@@ -792,7 +806,7 @@ define([
             }
         },
         onApiUnLockComment: function (id) {
-            var cur = this.findComment(id);
+            var cur = this.findComment(id) || this.findCommentInGroup(id);
             if (cur) {
                 cur.set('lock', false);
                 this.getPopover() && this.getPopover().loadText();
@@ -999,11 +1013,6 @@ define([
         // internal
 
         updateComments: function (needRender, disableSort) {
-            if (needRender && !this.view.isVisible()) {
-                this.view.needRender = needRender;
-                return;
-            }
-
             var me = this;
             me.updateCommentsTime = new Date();
             if (me.timerUpdateComments===undefined)
@@ -1017,6 +1026,12 @@ define([
         },
 
         updateCommentsView: function (needRender, disableSort) {
+            if (needRender && !this.view.isVisible()) {
+                this.view.needRender = needRender;
+                this.onUpdateFilter(this.filter, true);
+                return;
+            }
+
             var i, end = true;
 
             if (_.isUndefined(disableSort)) {
@@ -1024,6 +1039,8 @@ define([
             }
 
             if (needRender) {
+                this.onUpdateFilter(this.filter, true);
+
                 for (i = this.collection.length - 1; i >= 0; --i) {
                     if (end) {
                         this.collection.at(i).set('last', true, {silent: true});
@@ -1035,24 +1052,25 @@ define([
                     end = false;
                 }
 
-                this.onUpdateFilter(this.filter, true);
-
                 this.view.render();
                 this.view.needRender = false;
             }
 
             this.view.update();
         },
-        findComment: function (uid, id) {
-            if (_.isUndefined(uid)) {
-                return this.collection.findWhere({id: id});
-            }
-
+        findComment: function (uid) {
             return this.collection.findWhere({uid: uid});
         },
         findPopupComment: function (id) {
             return this.popoverComments.findWhere({id: id});
         },
+        findCommentInGroup: function (id) {
+            for (var name in this.groupCollection) {
+                var store = this.groupCollection[name],
+                    model = store.findWhere({uid: id});
+                if (model) return model;
+            }
+        },
 
         closeEditing: function (id) {
             var t = this;
@@ -1117,8 +1135,21 @@ define([
         // helpers
 
         onUpdateUsers: function() {
-            var users = this.userCollection;
-            this.collection.each(function (model) {
+            var users = this.userCollection,
+                hasGroup = false;
+            for (var name in this.groupCollection) {
+                hasGroup = true;
+                this.groupCollection[name].each(function (model) {
+                    var user = users.findOriginalUser(model.get('userid'));
+                    model.set('usercolor', (user) ? user.get('color') : null, {silent: true});
+
+                    model.get('replys').forEach(function (reply) {
+                        user = users.findOriginalUser(reply.get('userid'));
+                        reply.set('usercolor', (user) ? user.get('color') : null, {silent: true});
+                    });
+                });
+            }
+            !hasGroup && this.collection.each(function (model) {
                 var user = users.findOriginalUser(model.get('userid'));
                 model.set('usercolor', (user) ? user.get('color') : null, {silent: true});
 
@@ -1135,7 +1166,8 @@ define([
         readSDKComment: function (id, data) {
             var date = (data.asc_getOnlyOfficeTime()) ? new Date(this.stringOOToLocalDate(data.asc_getOnlyOfficeTime())) :
                 ((data.asc_getTime() == '') ? new Date() : new Date(this.stringUtcToLocalDate(data.asc_getTime())));
-            var user = this.userCollection.findOriginalUser(data.asc_getUserId());
+            var user = this.userCollection.findOriginalUser(data.asc_getUserId()),
+                groupname = id.match(/^(doc|sheet[0-9]+)_/);
             var comment = new Common.Models.Comment({
                 uid                 : id,
                 userid              : data.asc_getUserId(),
@@ -1155,7 +1187,8 @@ define([
                 showReplyInPopover  : false,
                 hideAddReply        : !_.isUndefined(this.hidereply) ? this.hidereply : (this.showPopover ? true : false),
                 scope               : this.view,
-                editable            : this.mode.canEditComments || (data.asc_getUserId() == this.currentUserId)
+                editable            : this.mode.canEditComments || (data.asc_getUserId() == this.currentUserId),
+                groupName           : (groupname && groupname.length>1) ? groupname[1] : null
             });
             if (comment) {
                 var replies = this.readSDKReplies(data);
diff --git a/apps/common/main/lib/view/SearchDialog.js b/apps/common/main/lib/view/SearchDialog.js
index e266784d0..375841dd5 100644
--- a/apps/common/main/lib/view/SearchDialog.js
+++ b/apps/common/main/lib/view/SearchDialog.js
@@ -87,10 +87,10 @@
                 '<div class="box">',
                     '<div class="input-row">',
                         '<span class="btn-placeholder" id="search-placeholder-btn-options"></span>',
-                        '<input type="text" id="sd-text-search" class="form-control" maxlength="100" placeholder="'+this.textSearchStart+'">',
+                        '<input type="text" id="sd-text-search" class="form-control" maxlength="255" placeholder="'+this.textSearchStart+'">',
                     '</div>',
                     '<div class="input-row">',
-                        '<input type="text" id="sd-text-replace" class="form-control" maxlength="100" placeholder="'+this.textReplaceDef+'">',
+                        '<input type="text" id="sd-text-replace" class="form-control" maxlength="255" placeholder="'+this.textReplaceDef+'">',
                     '</div>',
                     '<div class="input-row">',
                         '<label class="link" id="search-label-replace" result="replaceshow">'+this.txtBtnReplace+'</label>',
@@ -176,12 +176,14 @@
             return this;
         },
 
-        show: function(mode) {
+        show: function(mode, text) {
             Common.UI.Window.prototype.show.call(this);
 
             !this.mode && !mode && (mode = 'search');
             if (mode && this.mode != mode) this.setMode(mode);
 
+            text && this.setSearchText(text);
+
             if (this.options.markresult && this.miHighlight.checked) {
                 this.fireEvent('search:highlight', [this, true]);
             }
@@ -271,6 +273,10 @@
             }
         },
 
+        setSearchText: function(value) {
+            this.txtSearch && this.txtSearch.val(value);
+        },
+
         onShowReplace: function(e) {
             this.setMode((this.mode=='replace') ? 'search' : 'replace');
 
diff --git a/apps/common/main/resources/img/controls/toolbarbig.png b/apps/common/main/resources/img/controls/toolbarbig.png
index f84e10e26..4972964bf 100644
Binary files a/apps/common/main/resources/img/controls/toolbarbig.png and b/apps/common/main/resources/img/controls/toolbarbig.png differ
diff --git a/apps/common/main/resources/img/controls/toolbarbig@2x.png b/apps/common/main/resources/img/controls/toolbarbig@2x.png
index 4d5486b11..bf6e5d9e4 100644
Binary files a/apps/common/main/resources/img/controls/toolbarbig@2x.png and b/apps/common/main/resources/img/controls/toolbarbig@2x.png differ
diff --git a/apps/common/main/resources/less/toolbar.less b/apps/common/main/resources/less/toolbar.less
index f633706bc..9690da191 100644
--- a/apps/common/main/resources/less/toolbar.less
+++ b/apps/common/main/resources/less/toolbar.less
@@ -108,20 +108,46 @@
         .scroll {
             line-height: @height-tabs;
             min-width: 20px;
-            text-align: center;
             z-index: 1;
             cursor: pointer;
-            color: #fff;
+            position: relative;
+            display: flex;
+            align-items: center;
 
             &:hover {
                 text-decoration: none;
             }
 
+            &:not(:hover) {
+                &:after {
+                    opacity: .8;
+                }
+            }
+
             &.left{
-                box-shadow: 5px 0 20px 5px @tabs-bg-color
+                box-shadow: 5px 0 20px 5px @tabs-bg-color;
+
+                &:after {
+                    transform: rotate(135deg);
+                    margin-left: 8px;
+                }
             }
             &.right{
-                box-shadow: -5px 0 20px 5px @tabs-bg-color
+                box-shadow: -5px 0 20px 5px @tabs-bg-color;
+
+                &:after {
+                    transform: rotate(-45deg);
+                    margin-left: 4px;
+                }
+            }
+
+            @arrow-length: 8px;
+            &:after {
+                content: ' ';
+                width: @arrow-length;
+                height: @arrow-length;
+                border: solid white;
+                border-width: 0 2px 2px 0;
             }
         }
     }
@@ -323,4 +349,5 @@
 .button-normal-icon(btn-controls,         54, @toolbar-big-icon-size);
 .button-normal-icon(~'x-huge .btn-select-pivot', 55, @toolbar-big-icon-size);
 .button-normal-icon(~'x-huge .btn-bookmarks', 56, @toolbar-big-icon-size);
-.button-normal-icon(btn-print-area,         56, @toolbar-big-icon-size);
\ No newline at end of file
+.button-normal-icon(btn-blankpage,         57, @toolbar-big-icon-size);
+.button-normal-icon(btn-print-area,         58, @toolbar-big-icon-size);
\ No newline at end of file
diff --git a/apps/documenteditor/main/app/controller/LeftMenu.js b/apps/documenteditor/main/app/controller/LeftMenu.js
index 0fa76faae..e6b0a3018 100644
--- a/apps/documenteditor/main/app/controller/LeftMenu.js
+++ b/apps/documenteditor/main/app/controller/LeftMenu.js
@@ -535,9 +535,10 @@ define([
                 var mode = this.mode.isEdit ? (action || undefined) : 'no-replace';
                 if (this.dlgSearch.isVisible()) {
                     this.dlgSearch.setMode(mode);
+                    this.dlgSearch.setSearchText(this.api.asc_GetSelectedText());
                     this.dlgSearch.focus();
                 } else {
-                    this.dlgSearch.show(mode);
+                    this.dlgSearch.show(mode, this.api.asc_GetSelectedText());
                 }
             } else this.dlgSearch['hide']();
         },
diff --git a/apps/documenteditor/main/app/controller/Toolbar.js b/apps/documenteditor/main/app/controller/Toolbar.js
index fb6a2c204..6a226d369 100644
--- a/apps/documenteditor/main/app/controller/Toolbar.js
+++ b/apps/documenteditor/main/app/controller/Toolbar.js
@@ -312,6 +312,7 @@ define([
             toolbar.btnEditHeader.menu.on('item:click',                 _.bind(this.onEditHeaderFooterClick, this));
             toolbar.mnuPageNumCurrentPos.on('click',                    _.bind(this.onPageNumCurrentPosClick, this));
             toolbar.mnuInsertPageCount.on('click',                      _.bind(this.onInsertPageCountClick, this));
+            toolbar.btnBlankPage.on('click',                            _.bind(this.onBtnBlankPageClick, this));
             toolbar.listStyles.on('click',                              _.bind(this.onListStyleSelect, this));
             toolbar.listStyles.on('contextmenu',                        _.bind(this.onListStyleContextMenu, this));
             toolbar.styleMenu.on('hide:before',                         _.bind(this.onListStyleBeforeHide, this));
@@ -746,6 +747,7 @@ define([
             var in_footnote = this.api.asc_IsCursorInFootnote();
             need_disable = paragraph_locked || header_locked || in_header || in_image || in_equation && !btn_eq_state || in_footnote || in_control;
             toolbar.btnsPageBreak.setDisabled(need_disable);
+            toolbar.btnBlankPage.setDisabled(need_disable);
 
             need_disable = paragraph_locked || header_locked || in_equation || control_plain;
             toolbar.btnInsertShape.setDisabled(need_disable);
@@ -1856,6 +1858,14 @@ define([
             Common.component.Analytics.trackEvent('ToolBar', 'Page Number');
         },
 
+        onBtnBlankPageClick: function(btn) {
+            if (this.api)
+                this.api.asc_AddBlankPage();
+
+            Common.NotificationCenter.trigger('edit:complete', this.toolbar);
+            Common.component.Analytics.trackEvent('ToolBar', 'Blank Page');
+        },
+
         onListStyleSelect: function(combo, record) {
             this._state.prstyle = undefined;
             if (this.api)
diff --git a/apps/documenteditor/main/app/template/Toolbar.template b/apps/documenteditor/main/app/template/Toolbar.template
index 3b15aed25..33c68c23c 100644
--- a/apps/documenteditor/main/app/template/Toolbar.template
+++ b/apps/documenteditor/main/app/template/Toolbar.template
@@ -81,6 +81,7 @@
             </section>
             <section class="panel" data-tab="ins">
                 <div class="group">
+                    <span class="btn-slot text x-huge" id="slot-btn-blankpage"></span>
                     <span class="btn-slot text x-huge btn-pagebreak"></span>
                     <span class="btn-slot text x-huge" id="slot-btn-editheader"></span>
                 </div>
diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index 5a381bf10..cc084ce15 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -560,6 +560,14 @@ define([
                     this.paragraphControls.push(this.mnuInsertPageCount);
                     this.toolbarControls.push(this.btnEditHeader);
 
+                    this.btnBlankPage = new Common.UI.Button({
+                        id: 'id-toolbar-btn-blankpage',
+                        cls: 'btn-toolbar x-huge icon-top',
+                        iconCls: 'btn-blankpage',
+                        caption: me.capBtnBlankPage
+                    });
+                    this.paragraphControls.push(this.btnBlankPage);
+
                     this.btnInsertShape = new Common.UI.Button({
                         id: 'tlbtn-insertshape',
                         cls: 'btn-toolbar x-huge icon-top',
@@ -1295,6 +1303,7 @@ define([
                 _injectComponent('#slot-btn-controls', this.btnContentControls);
                 _injectComponent('#slot-btn-columns', this.btnColumns);
                 _injectComponent('#slot-btn-editheader', this.btnEditHeader);
+                _injectComponent('#slot-btn-blankpage', this.btnBlankPage);
                 _injectComponent('#slot-btn-insshape', this.btnInsertShape);
                 _injectComponent('#slot-btn-insequation', this.btnInsertEquation);
                 _injectComponent('#slot-btn-pageorient', this.btnPageOrient);
@@ -1538,6 +1547,7 @@ define([
                 this.btnInsertText.updateHint(this.tipInsertText);
                 this.btnInsertTextArt.updateHint(this.tipInsertTextArt);
                 this.btnEditHeader.updateHint(this.tipEditHeader);
+                this.btnBlankPage.updateHint(this.tipBlankPage);
                 this.btnInsertShape.updateHint(this.tipInsertShape);
                 this.btnInsertEquation.updateHint(this.tipInsertEquation);
                 this.btnDropCap.updateHint(this.tipDropCap);
@@ -2372,7 +2382,9 @@ define([
             tipControls: 'Insert content control',
             mniHighlightControls: 'Highlight settings',
             textNoHighlight: 'No highlighting',
-            mniImageFromStorage: 'Image from Storage'
+            mniImageFromStorage: 'Image from Storage',
+            capBtnBlankPage: 'Blank Page',
+            tipBlankPage: 'Insert blank page'
         }
     })(), DE.Views.Toolbar || {}));
 });
diff --git a/apps/documenteditor/main/locale/en.json b/apps/documenteditor/main/locale/en.json
index d79db4e0a..55e911385 100644
--- a/apps/documenteditor/main/locale/en.json
+++ b/apps/documenteditor/main/locale/en.json
@@ -1976,5 +1976,7 @@
   "DE.Views.Toolbar.txtScheme7": "Equity",
   "DE.Views.Toolbar.txtScheme8": "Flow",
   "DE.Views.Toolbar.txtScheme9": "Foundry",
+  "DE.Views.Toolbar.capBtnBlankPage": "Blank Page",
+  "DE.Views.Toolbar.tipBlankPage": "Insert blank page",
   "DE.Views.Toolbar.mniImageFromStorage": "Image from Storage"
 }
\ No newline at end of file
diff --git a/apps/presentationeditor/main/app.reporter.js b/apps/presentationeditor/main/app.reporter.js
index c8ca6aa80..2039fc2e3 100644
--- a/apps/presentationeditor/main/app.reporter.js
+++ b/apps/presentationeditor/main/app.reporter.js
@@ -108,6 +108,7 @@ require([
             docInfo.put_Options(data.options);
             docInfo.put_Token(data.token);
             docInfo.put_Permissions( data.permissions);
+            window.document.title = 'Presenter View' + (data.title ? (' - ' + data.title) : '');
         }
 
         api.preloadReporter(data);
diff --git a/apps/presentationeditor/main/app_dev.reporter.js b/apps/presentationeditor/main/app_dev.reporter.js
index 75d204e7a..c113aff08 100644
--- a/apps/presentationeditor/main/app_dev.reporter.js
+++ b/apps/presentationeditor/main/app_dev.reporter.js
@@ -109,6 +109,7 @@ require([
             docInfo.put_Options(data.options);
             docInfo.put_Token(data.token);
             docInfo.put_Permissions( data.permissions);
+            window.document.title = 'Presenter View' + (data.title ? (' - ' + data.title) : '');
         }
 
         api.preloadReporter(data);
diff --git a/apps/presentationeditor/main/index.reporter.html b/apps/presentationeditor/main/index.reporter.html
index 332a66b91..b056db3fc 100644
--- a/apps/presentationeditor/main/index.reporter.html
+++ b/apps/presentationeditor/main/index.reporter.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html style="width:100%; height:100%;overflow: hidden;">
 <head>
-    <title>ONLYOFFICE Presentation Editor</title>
+    <title>Presenter View</title>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=IE8"/>
     <meta name="description" content="" />
diff --git a/apps/presentationeditor/main/index.reporter.html.deploy b/apps/presentationeditor/main/index.reporter.html.deploy
index 10d9bc0dd..413027433 100644
--- a/apps/presentationeditor/main/index.reporter.html.deploy
+++ b/apps/presentationeditor/main/index.reporter.html.deploy
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html style="width:100%; height:100%;overflow: hidden;">
 <head>
-    <title>ONLYOFFICE Presentation Editor</title>
+    <title>Presenter View</title>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=IE8"/>
     <meta name="description" content="" />
diff --git a/apps/spreadsheeteditor/main/app/controller/LeftMenu.js b/apps/spreadsheeteditor/main/app/controller/LeftMenu.js
index 52092f2f8..9f190a9aa 100644
--- a/apps/spreadsheeteditor/main/app/controller/LeftMenu.js
+++ b/apps/spreadsheeteditor/main/app/controller/LeftMenu.js
@@ -151,11 +151,14 @@ define([
                 if (this.mode.canComments) {
                     this.api.asc_registerCallback('asc_onAddComment', _.bind(this.onApiAddComment, this));
                     this.api.asc_registerCallback('asc_onAddComments', _.bind(this.onApiAddComments, this));
-                    var collection = this.getApplication().getCollection('Common.Collections.Comments');
-                    for (var i = 0; i < collection.length; ++i) {
-                        if (collection.at(i).get('userid') !== this.mode.user.id) {
-                            this.leftMenu.markCoauthOptions('comments', true);
-                            break;
+                    var comments = this.getApplication().getController('Common.Controllers.Comments').groupCollection;
+                    for (var name in comments) {
+                        var collection = comments[name];
+                        for (var i = 0; i < collection.length; ++i) {
+                            if (collection.at(i).get('userid') !== this.mode.user.id) {
+                                this.leftMenu.markCoauthOptions('comments', true);
+                                break;
+                            }
                         }
                     }
                 }
diff --git a/apps/spreadsheeteditor/main/app/controller/Main.js b/apps/spreadsheeteditor/main/app/controller/Main.js
index 79756d220..230661f1d 100644
--- a/apps/spreadsheeteditor/main/app/controller/Main.js
+++ b/apps/spreadsheeteditor/main/app/controller/Main.js
@@ -718,9 +718,7 @@ define([
                         if (window.styles_loaded || me.appOptions.isEditDiagram || me.appOptions.isEditMailMerge) {
                             clearInterval(timer_sl);
 
-                            Common.NotificationCenter.trigger('comments:updatefilter',
-                                {property: 'uid',
-                                    value: new RegExp('^(doc_|sheet' + me.api.asc_getActiveWorksheetId() + '_)')});
+                            Common.NotificationCenter.trigger('comments:updatefilter', ['doc', 'sheet' + me.api.asc_getActiveWorksheetId()]);
 
                             documentHolderView.createDelayedElements();
                             toolbarController.createDelayedElements();
@@ -1619,14 +1617,8 @@ define([
                 if (!this.appOptions.isEditMailMerge && !this.appOptions.isEditDiagram && window.editor_elements_prepared) {
                     this.application.getController('Statusbar').selectTab(index);
 
-                    if (this.appOptions.isEdit && !this.dontCloseDummyComment) {
-                        Common.NotificationCenter.trigger('comments:updatefilter',
-                            {
-                                property: 'uid',
-                                value: new RegExp('^(doc_|sheet' + this.api.asc_getWorksheetId(index) + '_)')
-                            },
-                            false //  hide popover
-                        );
+                    if (this.appOptions.canComments && !this.dontCloseDummyComment) {
+                        Common.NotificationCenter.trigger('comments:updatefilter', ['doc', 'sheet' + this.api.asc_getWorksheetId(index)], false ); //  hide popover
                     }
                 }
             },
diff --git a/apps/spreadsheeteditor/main/app/controller/Statusbar.js b/apps/spreadsheeteditor/main/app/controller/Statusbar.js
index 73233d6d2..d7af7b851 100644
--- a/apps/spreadsheeteditor/main/app/controller/Statusbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Statusbar.js
@@ -384,9 +384,7 @@ define([
             if (!_.isUndefined(silent)) {
                 me.api.asc_showWorksheet(items[index].inindex);
 
-                Common.NotificationCenter.trigger('comments:updatefilter',
-                    {property: 'uid',
-                        value: new RegExp('^(doc_|sheet' + this.api.asc_getActiveWorksheetId() + '_)')});
+                Common.NotificationCenter.trigger('comments:updatefilter', ['doc', 'sheet' + this.api.asc_getActiveWorksheetId()]);
 
                 if (!_.isUndefined(destPos)) {
                     me.api.asc_moveWorksheet(items.length === destPos ? wc : items[destPos].inindex);
@@ -418,12 +416,7 @@ define([
                 this.api.asc_closeCellEditor();
                 this.api.asc_addWorksheet(this.createSheetName());
 
-                Common.NotificationCenter.trigger('comments:updatefilter',
-                    {property: 'uid',
-                        value: new RegExp('^(doc_|sheet' + this.api.asc_getActiveWorksheetId() + '_)')
-                    },
-                    false   //  hide popover
-                );
+                Common.NotificationCenter.trigger('comments:updatefilter', ['doc', 'sheet' + this.api.asc_getActiveWorksheetId()], false);  //  hide popover
             }
             Common.NotificationCenter.trigger('edit:complete', this.statusbar);
         },
diff --git a/apps/spreadsheeteditor/main/app/controller/Toolbar.js b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
index 044fdbe37..42faf095d 100644
--- a/apps/spreadsheeteditor/main/app/controller/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
@@ -2825,17 +2825,6 @@ define([
 //            });
         },
 
-        onSheetChanged: function() {
-            if (this.api) {
-                var params = this.api.asc_getSheetViewSettings();
-                var menu = this.getMenuHideOptions();
-                if (menu) {
-                    menu.items.getAt(3).setChecked(!params.asc_getShowRowColHeaders());
-                    menu.items.getAt(4).setChecked(!params.asc_getShowGridLines());
-                }
-            }
-        },
-
         _disableEditOptions: function(seltype, coauth_disable) {
             if (this.api.isCellEdited) return true;
             if (this.api.isRangeSelection) return true;
diff --git a/apps/spreadsheeteditor/main/app/view/Statusbar.js b/apps/spreadsheeteditor/main/app/view/Statusbar.js
index b18681e4d..affc00153 100644
--- a/apps/spreadsheeteditor/main/app/view/Statusbar.js
+++ b/apps/spreadsheeteditor/main/app/view/Statusbar.js
@@ -358,7 +358,7 @@ define([
 
                     me.fireEvent('sheet:changed', [me, sindex]);
                     me.fireEvent('sheet:updateColors', [true]);
-                    Common.NotificationCenter.trigger('comments:updatefilter', {property: 'uid', value: new RegExp('^(doc_|sheet' + me.api.asc_getActiveWorksheetId() + '_)')}, false);
+                    Common.NotificationCenter.trigger('comments:updatefilter', ['doc', 'sheet' + me.api.asc_getActiveWorksheetId()], false);
                 }
             },
 
@@ -409,13 +409,7 @@ define([
                 this.fireEvent('sheet:changed', [this, tab.sheetindex]);
                 this.fireEvent('sheet:updateColors', [true]);
 
-                Common.NotificationCenter.trigger('comments:updatefilter',
-                    {
-                        property: 'uid',
-                        value: new RegExp('^(doc_|sheet' + this.api.asc_getActiveWorksheetId() + '_)')
-                    },
-                    false //  hide popover
-                );
+                // Common.NotificationCenter.trigger('comments:updatefilter', ['doc', 'sheet' + this.api.asc_getActiveWorksheetId()], false); //  hide popover
             },
 
             onTabMenu: function (o, index, tab) {