Beta version 4.16.10: Fix GCC build.

Beta version 4.16.9.

- Show "Frequent contacts" when you focus the search field.
- Show "Recent chats" when you focus the search field.
- Show "Channels" and channel recommendations.
- Allow changing font in Settings > Chat settings > Font family.

Version 4.16.8: Fix build on Linux.

Version 4.16.7.

- Reimplement file open confirmations.

Version 4.16.6.

- Show custom emoji preview on long press.
- Fix resume chat bot button disappearance.
- Fix GIF files playback. (regression in 4.16.3.beta)

Version 4.16.5.

- 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.

Version 4.16.4.

- Bug fixes and other minor improvements.

Beta version 4.16.3: Fix dav1d in FFmpeg on macOS.

Version 4.16.2.

- Use IV by default for Telegraph and some Telegram links.
- Support IV links in bot web-apps.
- Some bug fixes.

Version 4.16.1.

- Show information about Fragment phone numbers and usernames.
- Fix jump to original story from a story repost.
- Fix old image display in viewer in some cases.
- Fix several crashes.