Thunderbird 102.0 and 91.11.0

[German]In addition to Firefox developers who have provided updates to the Firefox browser (see Firefox 102.0 and ESR, as well as 91.11esr released), new versions of the Thunderbird email client were also released on June 28, 2022. At the same time, security vulnerabilities – also in the the version 91.11.0 were closed. Thanks to the reader for the tip.


Thunderbird 91.11.0

According to the Thunderbird release notes, this version includes the following bug fixes:

  • CLIENTID fix for bug 1759197 in Thunderbird 91.8.1 did not work; additional fix applied
  • In the "Save as" dialog for attachments the file name was not pre-filled

In addition, the vulnerabilities described in this document, some of which are rated as high, are closed.

Thunderbird 102.0

Thunderbird 102.0 is a new development branch which is currently only available as a download according to the Thunderbird Release Notes. An upgrade from Thunderbird 91.x will be available at a later release time. In this English-language publication many new features are presented. The list of new features according to the release notes is quite extensive. Beside new features, there are a bunch of bug fixes and also some security fixes, that are described within the Release Notes.

System requirements

The system requirements for the different operating system versions (see here for more details): 

  • Windows: Windows 7 or higher
  • Mac: Mac OS X 10.12 or higher
  • Linux: GTK+ 3.14 or higher

The download of the free Thunderbird is available here.


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