• Added support for PGP/MIME
• Added support for bundled notifications on Android 7+ and Android Wear
• New option: only notify for messages from contacts
• Ask for confirmation on "mark all as read"
• Added support for sub-folders (WebDAV)
• Added support for List-Post header
• Added support for Server Name Indication
• Disabled support for SSLv3 protocol/ciphers and all RC4 ciphers
• Removed support for APG (use OpenKeychain instead)
• Added server settings for more providers
• Added translations: Bulgarian, Persian (Farsi), Croatian, Portuguese, Romanian, Slovenian, Serbian
• Lots of smaller bug fixes and features