Thunderbird for Android version 11.0, based on K-9 Mail. Changes include:
- Improved drawer navigation
- Improve dark mode emails
- Welcome screen layout improved
- Improved compatibility with some ISPs
- Selection now shown by adjusting color priority
- Folder settings now use switches instead of checkboxes
- Messages now marked read by default when archiving
- Font size config preference removed in favor of OS and density settings
- Avoid crashes in various scenarios