New Update Thunderbird for Android / K9-Mail

Thunderbird for Android 11.0​

New:
  • Improved drawer navigation with a folder hierarchy
  • Improve dark mode emails with algorithmic darkening
  • Welcome screen logo layout improved
  • Improved compatibility with some ISPs by using ehlo.thunderbird.net as the EHLO identifier

Changed:
  • Selection now shown on active items by adjusting color priority
  • Folder settings now use switches instead of checkboxes
  • Adjust theming colors to improve contrast (message list improvements still outstanding)
  • Messages are now marked read by default when archiving
  • Font size config preference is removed in favor of OS and density settings

Fixed:
  • Account setup issues with outlook.com and hotmail.com resolved
  • Keyboard navigation bugs resolved
  • Star and attachment icon colors corrected
  • Paste of recipient lists into compose field now correctly parsed
  • Back button now returns to Drafts folder when editing a draft
  • Unified inbox appears when two or more accounts are configured
  • Dark and light mode switching issues resolved
  • Scroll indicator removed following review feedback
  • System navigation bar did not correctly blend with message content
  • "New Mail Notifications" setting did not persist
  • Navigation drawer "Show Unified inbox" setting did not work
  • Avoid crashes when selecting folders, fetching emails, adjusting accounts, or changing device orientation
  • Sharing multiple selected images from gallery only selected last image
  • TalkBack did not clearly announce contact picture tap action
  • Improved IMAP push stability when switching network connections
 
Thunderbird for Android Beta 12.0b1
New:
  • Improve support for SMTPUTF8 and other UTF-8 email standards (RFC 6531, 6855)
  • Support Android's IME autofill for password managers when adding new account
  • Add support for avatars in account settings
Fixed:
  • Long words and links in email messages did not wrap properly
  • Swipe right to archive failed if the archive folder did not exist
  • Edit Text dialogs in Account Settings did not automatically request focus
  • Account Settings did not display account name
  • In Unified Inbox, tapping a non-main account email redirected to the main inbox
  • In dark system mode with light message theme, navigation bar was not clearly visible
  • Threaded View toggle did not automatically update the Threaded View display
  • Gmail prefixes were shown in the folder structure
  • Crash could occur when adding Gmail account after removing primary Gmail account
 
Thunderbird for Android Beta 12.0b4
New:
  • Testing drawer UI improvements in this beta, feedback on bugs is welcome
  • Testing new account settings page in this beta, feedback on bugs is welcome

Fixed:
  • Crash could occur when clicking on a message thread
  • Unicode folder names were malformed when using server supporting UTF-8
 
Thunderbird for Android Beta 12.0b6
New:
  • Enable edge-to-edge support on beta

Fixed:
  • Selected/read/unread message states were hard to distinguish visually
  • Crash occurred when attempting to access account general settings
 
Thunderbird for Android Beta 12.0b7
Fixed:
  • Edge-to-edge support regressed various screens when using 3-button navigation



Thunderbird for Android 11.1
Fixed:
  • Selected/read/unread message states were hard to distinguish visually
 
Thunderbird for Android 12.0
New:
  • Improve support for SMTPUTF8 and other UTF-8 email standards (RFC 6531, 6855)
  • Support Android's IME autofill for password managers when adding new account
  • Add support for avatars in account settings
  • Enable edge-to-edge support
  • New account settings page

Fixed:
  • Long words and links in email messages did not wrap properly
  • Swipe right to archive failed if the archive folder did not exist
  • Edit Text dialogs in Account Settings did not automatically request focus
  • Account Settings did not display account name
  • In Unified Inbox, tapping a non-main account email redirected to the main inbox
  • In dark system mode with light message theme, navigation bar was not clearly visible
  • Threaded View toggle did not automatically update the Threaded View display
  • Gmail prefixes were shown in the folder structure
  • Crash could occur when adding Gmail account after removing primary Gmail account
  • Application crashed on startup if left or right swipe gesture was set to 'None'
  • Crash could occur when clicking on a message thread
  • Unicode folder names were malformed when using server supporting UTF-8
  • Crash occurred when attempting to access account general settings
  • Users had to manually configure Outlook IMAP and SMTP
 
Thunderbird 13.0 for Android
Changed:
  • Sync logging duration is now limited to 24 hours
Fixed:
  • Client certificate was not displayed in SMTP settings
  • Outlook headers included unnecessary newlines when replying to a message
  • "Enable debug logging" did not provide verbose logging
  • Scrolling in a short email could trigger left/right swipe
  • Landscape scrolling only worked in center of Welcome and New Account screens
  • On IMAP servers with folder prefixes, some folder operations stopped working
  • Reverted word-wrapping change that broke HTML and table rendering
  • Application crashed when opening placeholder folder
 
Thunderbird 14.0 for Android
Fixed:
  • 'Auto-fit messages' display setting did not persist
  • Edge-to-edge regressed moving/copying message with 3-button navigation
  • Unified Account was displayed when there was only one account
  • Swiping message left or right with slight downward motion aborted prematurely
  • Crash occurred when setting archive folder via swipe after it was set to None
  • Outlook SMTP failed to authenticate for enterprise or educational accounts
  • Gmail folder prefixes appeared after refreshing folder list
  • During account setup, 'Your Name' field was mislabeled as 'Display Name'
  • Quiet time preferences were ignored
  • Thunderbird could crash when deleting an account and returning to the message list
 
Thunderbird 15.0 for Android
Changed:
  • Default sync interval has been changed from 60 minutes to 15 minutes
  • Use application icon in push notification messages

Fixed:
  • 'Colorize contact pictures' default changed unexpectedly from true to false
  • Displaying IMAP password in plain text did not prompt for authentication
  • Sync debug logger did not write any logs

Contributors:
 
Thunderbird 16.0 for Android
New:
  • Default folder expansion behavior can be controlled by setting
  • Preferred content type can be switched between text/plain and text/html

Fixed:
  • Switching folders required an excessive number of clicks
  • Fix various edge-to-edge issues
  • Application crashed at startup
  • Application crashed on Pixel 10 Pro when returning to message list
  • OAuth SMTP authentication failed with some Microsoft servers

Unresolved:
  • Deleted/read messages in unified inbox may not update until manual refresh