Changelog for 5.2.8 (#495)

* Add changelog to 5.2.8

* Fix wording

* Fix line length

* Fix typos

.aspell.en.pws

@@ -1,4 +1,4 @@
-personal_ws-1.1 en 418 utf-8
+personal_ws-1.1 en 421 utf-8
 ACOT
 ACOTH
 ActiveCell
@@ -341,7 +341,9 @@ SetTopMargin
 SetVisible
 SheetView
 showReviewChanges
+shrinkwrap
 si
+signatureLine
 Slovenčina
 Slovenská
 snaplines
@@ -379,6 +381,7 @@ truetype
 TTEST
 ttf
 txt
+txPr
 ubuntu
 uncalculated
 undelete

CHANGELOG.md

@@ -1,5 +1,72 @@
 # Change log
 
+## 5.2.8
+
+### New Features
+
+#### All Editors
+
+* Update copyrights to 2019 and actual Latvian address
+* Update npm-shrinkwrap to actual
+* Chinese as document language (without spellchecker) ([DocumentServer#479](https://github.com/ONLYOFFICE/DocumentServer/issues/479))
+* Updated translations
+
+#### Plugins
+
+* Add support of system plugins
+
+#### Back-end
+
+* Add robots.txt handler
+
+#### x2t
+
+* xls - write default theme
+
+### Fixes
+
+#### All Editors
+
+* Fix copying chart without `txPr`
+
+#### Document Editor
+
+* Fix border display in some docx files (bug #39461)
+* Fix the problem of correcting of hit an drawing anchor in select
+* Fix color of content control border on preview (bug #40330)
+
+#### Spreadsheet Editor
+
+* Fix color change after Convert to range for table (bug #38747)
+* Fix display cell value in Safari (bug #39878),
+  ([DocumentServer#477](https://github.com/ONLYOFFICE/DocumentServer/issues/477)),
+  ([DocumentServer#467](https://github.com/ONLYOFFICE/DocumentServer/issues/467))
+* Fix display hidden column (bug #40352)
+* Fix creating history point on signatureLine adding
+* Fix display values of second sheet on first sheet (bug #40038)
+* Fix maximum call stack error while copy do Documents or Presentations
+* Fix cell scroll in specific files (bug #40294)
+* Fix js error while opening some xls file (bug #39529)
+* Fix js error while opening settings
+* Fix printing file with custom sheet size (bug #40275)
+
+#### Presentation Editor
+
+* Fix bug with resize after fullscreen (view position detect)
+* Fix problem with connection drawing
+* Fix opening presentation with unused theme'
+* Fix pptx shape display (bug #39169)
+
+#### Back-end
+
+* Fix problem with jwt callback url ([DocumentServer#472](https://github.com/ONLYOFFICE/DocumentServer/issues/472))
+
+#### x2t
+
+* A lot of users' files fixed
+* Fix MS Office error while opening xlsx with image in header (bug #40124)
+* Fix font while opening specific xls file (bug #40178)
+
 ## 5.2.7
 
 ### New Features