Release Notes

Thunderbird Desktop

Version 91.11.0 | Released June 28, 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.

System Requirements: Details

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

What’s Fixed


CLIENTID fix for bug 1759197 in Thunderbird 91.8.1 did not work; additional fix applied


"Save-As" attachment dialog did not have filename pre-populated


Various security fixes

Learn What’s Next

Thunderbird keeps getting better. Subscribe to our newsletter and follow us on social media to stay informed.