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Join UsVersion 79.0beta, first offered to channel users on July 16, 2020
Date and relevance setting remembered in facet search results
The preferences tab now has a search field
Language packs and dictionaries added to about:support
Theming improvements to the address book window and dialogs
FileLink both created a link and attached a file to the message if the file was from a network share
IMAP fetch chunk size was always 65536 bytes
Incremental search in contacts side bar failed to return some results
When deleting a contact from search results in contacts sidebar, the entire result set disappeared
Crash on failure of LDAP address book replication
Adaptive Junk Mail settings could not be disabled
"Unresponsive script" error on start-up for profiles with many folders
OAuth authorization window was missing the URL bar
OpenPGP: Key revocation, extending key expiration, and secret key backup
Drag & Drop multiple attachments to macOS Finder created duplicate files
About Thunderbird dialog keyboard shortcuts did not work
CC'd recipients sometimes displayed collapsed in header pane
Message filter and Folder Pane dialogs did not use the correct theme
Changing Junk mail settings with keyboard toggled wrong setting
OpenPGP: Messages with long Armor Header lines did not display
OpenPGP: Messages containing non-UTF-8 text were not supported
Address book migration updates and fixes
Address book: Last Modified Date was not updated
Chat: Participants list did not display operator flags
OpenPGP support is now feature complete. Improvements: new Key Wizard, online searching for OpenPGP keys, and more
Dark background in message reader is now disabled
Attachment corruption could occur when downloading large attachments from an IMAP server that supports chunking
Thunderbird startup was slow when using folder color customizations with many folders. Previously configured colors will not be migrated.
Mail quota usage in status bar did not support terabyte folder sizes
Dark mode improvements
Chat displays no messages
Fixed width font not working in compose window