Release Notes

Thunderbird Desktop

Version 128.4.0esr | Released October 29, 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

Export Thunderbird account settings to Thunderbird Mobile via QRCode

What’s Fixed

fixed

Unable to send an unencrypted response to an OpenPGP encrypted message

fixed

Thunderbird update did not update language pack version until another restart

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