Support different display scaling values for multiple screens, and fix the blank screen issue when setting dual screens.
Desktop Environment
Add an auto-merge feature for desktop files; support wallpaper slideshows;
beautify the theme for Google Chrome; improve dock animation; and offer a new way to quick start the applications on dock.
Window Manager
Gradually switch the window manager to KWin; optimize the split-screen function; reduce memory usage of window manager;
and solve the low efficiency in rendering images.
Deepin File Manager
Add disc burning function; optimize toolbar and property display.
中文 
deepin 
Canon Printer install issues 
beautify the theme for Google Chrome; improve dock animation; and offer a new way to quick start the applications on dock.
and solve the low efficiency in rendering images.