Release Notes

Thunderbird Desktop

Version 102.10.1 | Released April 24, 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.

System Requirements: Details

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

What’s Fixed


Messages with missing or corrupt "From:" header did not display message header buttons


Composer repeatedly prompted for S/MIME smartcard signing/encryption password


Address Book integration did not work with macOS 11.4 Bug Sur


Mexico City DST fix in Thunderbird 102.10.0 (bug 1826146) was incomplete

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