Release Notes

Thunderbird Desktop

Version 102.4.1 | Released October 26, 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 New


Thunderbird will now catch and report errors parsing vCards that contain incorrectly formatted dates

What’s Fixed


Dynamic language switching did not update interface when switched to right-to-left languages


Custom header data was discarded after messages were saved as draft and reopened


-remote command line argument did not work, affecting integration with various applications such as LibreOffice


Messages received via some SMS-to-email services could not display images


VCards with nickname field set could not be edited


Some recurring events were missing from Agenda on first load


Download requests for remote ICS calendars incorrectly set "Accept" header to text/xml


Monthly events created on the 31st of a month with <30 days placed first occurrence 1-2 days after the beginning of the following month


Various visual and UX improvements

Learn What’s Next

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