Add changelog for v6.3.0 (#1265)

* Add basic changelog for v6.3.0

* Fix typos

CHANGELOG.md

@@ -1,5 +1,52 @@
 # Change log
 
+## 6.3.0
+
+### New Features
+
+#### All Editors
+
+* Interface Themes support
+* 150% interface scaling support
+* Spellchecker implemented as SharedWorker. No more back-end service for spellchecker
+* Ability to add file to favorites (must be supported on DMS side)
+* Password protection support
+* New chart types (lines and scatter)
+* Ability to setup anonymous user name
+* Check hyperlinks for 2083 symbol length
+* Ability to print files in Firefox
+* Macros methods tooltips
+
+#### Document Editor
+
+* Wrapping for shapes in Top Toolbar
+* Indents settings in Paragraph Right Sidebar
+* Change Register operation in Top Toolbar
+* Change List Level operation
+* Track changes mode redone, ability to save it to file
+* Export to html, fb2, ePub
+
+#### Spreadsheet Editor
+
+* Add new chart type - combo
+* Redone Chart Advanced Setting with more axis settings
+* Add ability to set axis label format
+* New date format "YYYY-MM-DD" (ISO 8601)
+* Cell Indent setting in Table Right Sidebar
+* Opening of Microsoft Office XML 2003 files
+* Group and Ungroup operation for Pivot Tables
+* XLOOKUP function
+
+#### Presentation Editor
+
+* Slide opacity setting
+* Setup columns in shape via Top Toolbar
+* Presentation Animations are saved after export from our editor
+
+### Fixes
+
+* All components received countless fixes
+
 ## 6.2.2
 
 ### Fixes