Release Notes — Thunderbird

Thunderbird Desktop

Version 147.0.2 | Released February 16, 2026

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

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