Release Notes

Thunderbird Desktop

Version 102.5.1 | Released December 1, 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.

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 Changed


Mail extension API updates. See Mail Extension API Docs.

What’s Fixed


"Copy to again" menu item was not present after copying message to folder with Unicode name on Unicode-enabled IMAP server


Calendar date picker was displayed behind "Send Later" window


Various security fixes

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