K-9 Mail v6.510

What's Changed

• Made small changes to the appearance of the message list (@cketti)
• Added a font size setting for the account name when viewing a message (@cketti)
• Use colored navigation bar on Android 8.1 and above (@cketti)
• Fixed status bar color on Android 5 (@cketti)
• IMAP: Fixed a bug where sometimes an authentication error was silently ignored (@cketti)
• Internal changes (@wmontwe, @jeroen1602, @cketti)
• Updated translations (many volunteers)

New Contributors

• @jeroen1602 made their first contribution in #6750

Full Changelog: 6.509...6.510