Release Notes — Thunderbird

Release Notes

Thunderbird Desktop

Version 146.0.1 | Released December 17, 2025

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.

System Requirements: Details

  • Windows: Windows 10 or later
  • Mac: macOS 10.15 or later
  • Linux: GTK+ 3.14 or higher

What’s Fixed

fixed

Reverted fix that localized consistent special folder names in server’s language

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