Release Notes

Thunderbird Desktop

Version 91.13.1 | Released September 19, 2022

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.

By popular demand, Thunderbird 91.13.1 contains important security updates that shipped in Thunderbird 102.2.1. Users are encouraged to update as soon as possible.

See what's new in Thunderbird 102.

System Requirements: Details

  • Windows: Windows 7 or later
  • Mac: macOS 10.12 or later
  • Linux: GTK+ 3.14 or higher

What’s Fixed


Various security fixes

Learn What’s Next

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