A lot of features (may be unstable, don't upload to markets)

Blocked contacts
Media auto download
Repeat notifications every hour
Vibration patterns
Resend messages after app restart
Bug fixes
Fixed database update to new version
Continue upload file after app restart, bug fixes
Bug fixes
New documents design, bug fixes
Update locales, bug fixes
Fixed documents saving, changed long vibration pattern
Added other upload queue for small files
Updated to 1.8.3, video compression with parallel upload to server (Android 4.3+ only now, disabled)
Video editing and compression on 4.1+ (please test it and send debug info to me), Tablet version, a lot of other things (don't upload to markets, it's unstable)
Changed isTablet check
Changed small Tablets portrait layout, changes media store path to sdcard/Telegram (need testing)
Update locales, bug fixes
Video convert queue, bug fixes
Bug fixes

https://github.com/DrKLO/Telegram/pull/581
Service for video encoding, update locales, bug fixes
Bug fixes
Bug fixes
added Android Wear support