Download Mozilla Thunderbird 78.13.0

The Mozilla Foundation has released version 78.13.0 of Thunderbird. Thunderbird is an open source client for e-mail and newsgroups, with features such as support for various mail and news accounts, a spam filter, spell checker and a customizable appearance. In version 78, a dark mode has been added and other parts of the interface, such as the icons and the screen for composing an email, have also been overhauled. Furthermore, the Lightning calendar add-on is now a standard part of the program, there is a new wizard for the first use and only MailExtensions add-ons are supported. The following changes and improvements have been made in this release.

changes

• WeTransfer FileLink provider removed
• The fix for bug 1707360, from Thunderbird 78.12.0, was removed for causing regressions

Fixes

• OpenPGP: Homebrew’s GPG Smartcard libraries not found on M1 Macs
• Various security fixes

Known Issues

• Sending an email containing HTML links with spaces in the URL sometimes results in broken links