Update changelog (#1739)

* Update CHANGELOG.md

* Update CHANGELOG.md

* Update .aspell.en.pws

* Update CHANGELOG.md

---------

Co-authored-by: Maxim Kadushkin <maxim.kadushkin@onlyoffice.com>

.aspell.en.pws

@@ -355,4 +355,5 @@ trendlines
 TIF
 DocSpace
 IME
-strikethrough
+strikethrough
+Sur

CHANGELOG.md

@@ -1,5 +1,51 @@
 # Change log
 
+## 8.2.2
+
+### Fixes
+
+#### All Editors
+
+* Fixed displaying some chart types when opening the `DOCX` or `PPTX` documents
+* Fixed availability of buttons on the right panel when the zoom is higher than 200%
+* Fixed application launch on macOS Big Sur with the Apple Silicone architecture
+* Fixed crash of the editor when detaching a tab with a document, opened from
+  the cloud portal, into a separate window
+* Fixed the ability to return to the current document from the version history or
+  show the file if a new version was build on the portal DocSpace/Workspace
+
+#### Document Editor
+
+* Fixed stopping work of the editor when working with the Text box in the Header
+  if it contains the page number
+* Fixed slow scrolling of documents if the document extends the visible area
+* Fixed stopping work of the editor when comparing some `DOCX` documents
+* Fixed text selection when clicking on a paragraph with Justified alignment
+
+#### Spreadsheet Editor
+
+* Fixed stopping work of the editor when deleting a formula from a cell in
+  some `XLSX` files
+* Fixed disappearing formulas when opening some `XLSX` files
+* Fixed the ability to scroll a sheet horizontally using `Shift` + `Mouse wheel`
+* Fixed stopping work of the editor when merging all cells on a sheet
+* Fixed loss of graphic objects rendering after rotating them in the Sheet
+  Right-to-left mode
+* Fixed missing the Multi-Select/Clear Filter of Slicer buttons after scrolling
+  horizontally or vertically
+
+#### PDF Editor
+
+* Fixed stopping work of the editor when adding a matrix in a math equation
+* Fixed the short-term absence of an image added by one of the users in co-editing
+* Fixed incorrect selection of paragraphs/columns in the Select tool mode when
+  opening `XPS`/`OXPS`/`PDF` files
+
+#### Forms
+
+* Fixed the status of unsaved changes presence when clicking Complete & Submit
+  quickly during filling in a form in DocSpace
+
 ## 8.2.1
 
 ### Fixes