Download Mozilla Thunderbird 78.10.1

The Mozilla Foundation has released version 78.10.1 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. This release fixes an email forwarding issue and some security vulnerabilities.

changes

• Removed the fix for bug 1689804 introduced in Thunderbird 78.9.0, restoring the previous behavior

Fixes

• Various security fixes