The Thunderbird email app reached version 78.11.0 in the stable branch. It is a maintenance release with a list of fixes. There are no new features in this version.
Thunderbird is my preferred email client of choice. I use this app on every PC and on every operating system I use. It is stable, contains all the features you need, supports add-ons and also comes with a useful RSS reader. I am using Thunderbird for many years and never felt the need to look for an alternative.
Thunderbird 78 doesn't support classic XUL add-ons any longer, but includes some of their features out-of-the-box. For example, on Windows you can minimize the app to the system tray.
What's new in Thunderbird 78.11.0
- OpenPGP could not be disabled for an account if a key was previously configured
- Recipients were unable to decrypt some messages when the sender had changed the message encryption from OpenPGP to S/MIME
- Contacts moved between CardDAV address books were not synced to the new server
- CardDAV compatibility fixes for Google Contacts
- Folder pane had no clear indication of focus on macOS
- Windows theme improvements
Finally, the release notes do not highlight known issues. Also, there is a link to some security fixes included in this version, but they are not yet available.
Thunderbird users should eventually get the update automatically via the built-in update mechanism. To update it manually, select menu > Help > About Thunderbird to open the "About" dialog and initiate the update check. After that, the app should download and install the most recent version available.
Also, you can manually download the app from its official web site:
The release notes are available here.
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