Fixed:

• Sync could cause "IllegalStateException: No outbox_state entry for message id" error

Contributors:

• Thank you to @rafaeltonholo

Full Changelog: THUNDERBIRD_13_0b3...THUNDERBIRD_13_0b4

Fixed:

• Updating to 13.0b2 offline with IMAP prefix caused migration failure and data loss
• App crashed on startup when no folders were available after data loss

Contributors:

• Thank you to @rafaeltonholo

Full Changelog: THUNDERBIRD_13_0b2...THUNDERBIRD_13_0b3

Fixed:

• On IMAP servers with folder prefixes, some folder operations stopped working

Contributors:

• Thank you to @wmontwe

Full Changelog: THUNDERBIRD_13_0b1...THUNDERBIRD_13_0b2

Changed:

• There are no Thunderbird changes requiring release notes in this release

New:

• Improved drawer navigation with a folder hierarchy

Fixed:

• K-9 mail could crash when opening

Contributors

• @rafaeltonholo

Full Changelog: K9MAIL_12_0...K9MAIL_12_1

New:

• Added new design elements to Message List UI

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
• Scrolling only worked in center of Welcome and New Account screens (landscape)

Contributors:

• @dandarnell made their first contribution in #9439
• @benkibbey made their first contribution in #9449
• @NWuensche made their first contribution in #9577
• Thank you also to @rafaeltonholo, @coreycb, @shamim-emon, @wmontwe, @asoucar, @terofeev, @arnt, @joohnq

Full Changelog: THUNDERBIRD_12_0b7...THUNDERBIRD_13_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
• Enable edge-to-edge support

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

Contributors

• @kv1dr made their first contribution in #9007
• @yantarou made their first contribution in #9401
• @skeller made their first contribution in #9382

Thanks also to @kewisch, @wmontwe, @coreycb, @asoucar, @rafaeltonholo, @shamim-emon, @arnt, @marcRDZ ,@terofeev, @joohnq, @weblate

Full Changelog: THUNDERBIRD_11_1...THUNDERBIRD_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
• Enable edge-to-edge support

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

Contributors:

• @kv1dr made their first contribution in #9007
• @yantarou made their first contribution in #9401
• @skeller made their first contribution in #9382

Thanks also to @kewisch, @wmontwe, @coreycb, @asoucar, @rafaeltonholo, @shamim-emon, @arnt, @marcRDZ ,@terofeev, @joohnq, @weblate

Full Changelog: K9MAIL_11_1...K9MAIL_12_0

Fixed:

• Selected/read/unread message states were hard to distinguish visually

Contributors:

• Thank you to @asoucar

Full Changelog: THUNDERBIRD_11_0...THUNDERBIRD_11_1

Fixed:

• Selected/read/unread message states were hard to distinguish visually

Contributors:

• Thank you to @asoucar

Full Changelog: K9MAIL_11_0...K9MAIL_11_1