K-9 Mail v5.200-RC1

• 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

K-9 Mail v5.115 (alpha)

• More user interface tweaks for encryption-related functionality
• Message signing without encryption is now an expert feature that is disabled by default
• Added support for directional pad to move to next/previous message
• Worked around a bug when viewing attachments
• Fixed notification grouping on Android Wear and Android 7.0
• Fixed notification actions on Android 7.0

K-9 Mail v5.114 (alpha)

• User interface tweaks for encryption-related functionality
• Fixed crash caused by new message notifications
• Fixed bug with downloading attachments
• Fixed structure of emails created with K-9 Mail
• Fixed bug where message list was displayed twice
• Updated translations

K-9 Mail v5.113 (alpha)

• Fixed dark theme

K-9 Mail v5.112 (alpha)

• Fixed crash when selecting folder to move message
• Fixed bug where wrong message format was used when replying
• Fixed position of context menus on Android 7.0
• Fixed icon for encryption status of a message
• Hide crypto status when no crypto provider is configured
• Hide invalid email addresses of a system contact
• Added support for linkifying URLs with new TLDs
• Added server settings for more providers

K-9 Mail v5.111 (alpha)

• Fixed replying to and forwarding of encrypted messages
• Ask for confirmation on "mark all as read"
• Suggest server name based on server type
• Added support for esPass MIME type (application/vnd.espass-espass+zip)
• Removed attachment indicator for encrypted messages
• Don't add additional line break to the end of a message when sending
• Removed broken support for sending messages as 8-bit via SMTP
• Lots of internal changes and minor bug fixes

K-9 Mail v5.110 (alpha)

• New option: only notify for messages from contacts
• Added auto-configuration support for more providers
• Improved PGP/MIME experience
• Lots of internal improvements

K-9 Mail v5.109 (alpha)

• Added support for List-Post header
• Added support for sub-folders (WebDAV)
• Display notification on authentication failures
• Protect against the Surreptitious Sharing vulnerability
• Re-enabled search in message bodies
• Fixed support for PGP/INLINE
• Fixed bug where some threads had multiple entries in the message list
• Fixed 'reply to all'
• More bug fixes

K-9 Mail v5.010 (stable)

• Fixed packaging error; v5.009 was missing translations

K-9 Mail v5.009 (stable)

• Protect against the Surreptitious Sharing vulnerability
• Improved MIME type handling when other apps share files to K-9 Mail