After more than a year of development since Thunderbird 78, Thunderbird 91 arrives full of changes, news and improvements of all kinds.
Mozilla's mail reader Thunderbird has implemented OpenPGP support, first requested 21 years ago. You no longer need to use Enigmail.
Mozilla Thunderbird is a free and open-source, cross-platform email client, news client, RSS, and chat client developed by the Mozilla Foundation. The new version 78 released with major improvements, bug fixes, and dark mode support.