Release Notes

Thunderbird Desktop

Version 128.5.1esr | Released December 2, 2024

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.

For help and a quick start on Thunderbird 128, see Thunderbird 128 Nebula FAQ

For more on all the new features in Thunderbird 128, see What’s New in Thunderbird 128.

System Requirements: Details

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

What’s New

new

Add end of year donation appeal

What’s Fixed

fixed

Total message count for favorite folders did not work consistently

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