Software Update: Mozilla Thunderbird 78.8.0

Spread the love

The Mozilla Foundation has released version 78.8.0 of Thunderbird. Thunderbird is an open source client for email and newsgroups, with features such as support for several 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 changelog for this release looks like this:


  • Importing an address book from a CSV file always reported an error
  • Security information for S/MIME messages was not displayed correctly prior to a draft being saved
  • Calendar: FileLink UI fixes for Caldav calendars
  • Recurring tasks were always marked incomplete; unable to use filters
  • Various UI widgets not working
  • Dark theme improvements
  • Extension manager was missing link to addon support web page
  • Various security fixes

Version number 78.8.0
Release status Final
Operating systems Windows 7, Linux, macOS, Windows 8, Windows 10
Website Mozilla Foundation
License type Freeware
You might also like