Official changelog:
- Reimplement file open confirmations.
- Show custom emoji preview on long press.
- Fix resume chat bot button disappearance.
- Fix GIF files playback. (regression in 4.16.3.beta)
- Fix editing privacy for groups and channels invitations.
- Possible fix for the network unresponsiveness after sleep.
- Possible fix for wide range of memory allocator crashes on Linux.