- Added rudimentary support for reading and composing PGP/MIME messages
- Added support for stacked single message notifications on Android Wear
- Added setting to disable notifications during quiet time
- Added setting to show confirmation dialog when discarding message
- Added option to copy sender/recipient addresses to clipboard
- Show warning when user tries to send an email without a subject
- New database structure; temporarily disables fulltext search
- Allow importing of settings created with newer versions of K-9 Mail
- Added support for Server Name Indication
- Disabled support for SSLv3 protocol/ciphers and all RC4 ciphers
- Fixed bug where third-party apps couldn't delete messages from certain folders
- Fixed bug in settings export with certain folder names
- IMAP: Fall back to LOGIN command when AUTHENTICATE PLAIN fails
- Added auto-configuration support for more providers
- Added translations for Persian (Farsi) and Slovenian
- Updated translations
- More bug fixes