0.21.0.987 RC

- Updated Libtgvoip to 2.2.4: fixed sudden crashes during call
- Edited outgoing photos now automatically save to gallery. Disable this behavior in Settings > Interface > Save edited photos to gallery
- Fixed: floating date background missing when scrolling plain mode chats with pinned message / while playing music
- Fixed: Invite Friends text
- Fixed: play/pause button may disappear after opening videos in some channels
- Added Settings > Interface > Remember media grouping setting: when enabled, last used media groupping setting will remain.
- Changed pop-up style when adding proxies
- Long-press mentions to use them without username, even if mentioned user has one