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Join UsVersion 78.1.0, first offered to channel users on July 30, 2020
OpenPGP support is now feature complete. Improvements: new Key Wizard, online searching for OpenPGP keys, and more
The preferences tab now has a search field
Dark background in message reader is now disabled
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
Changing Junk mail settings with keyboard toggled wrong setting
Advanced IMAP server preferences not saved in Account Manager
Address book migration updates and fixes
Address book: Last Modified Date was not updated
Dark mode improvements
Various security fixes
Mail header toolbar (Reply, Forward, Archive, Junk buttons) no longer configurable
Fixed width font not working in compose window