Release Notes

Thunderbird Desktop

Version 102.9.0 | Released March 14, 2023

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.

For more on all the new features in Thunderbird 102, 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


Notification about a sender's changed OpenPGP key was not immediately visible


TLS Certificate Override dialog did not appear when retrieving messages via IMAP using "Get Messages" context menu


Spellcheck dictionaries were missing from localized Thunderbird builds that should have included them


Tooltips for "Show/Hide" calendar toggle did not display


Various security fixes

Learn What’s Next

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