The time has come for a new Desktop Release! 
Help us find the most
annoying bugs so we can make sure this update is ready to be released on
the website and in stores. 
Besides many bug fixes we added a New App Picker new 
which allows to load apps directly from attachment menu.
see Changelog
Please install & test the new release!
Downloads
Where to report bugs?
You can find already known bugs on GitHub.
Please report the found bugs either here in this forum topic or even better
as issue on GitHub.
Important: please backup your current setup (or most important accounts)
before upgrading in order to be safe when trying test-releases. You can
find this option under Settings > Chats and Media > Backup.