Release Notes

Thunderbird Desktop

Version 128.1.1esr | Released August 21, 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.

Thunderbird version 128.0 is only offered as direct download from thunderbird.net and not as an upgrade from Thunderbird version 115 or earlier. A future release will provide updates from earlier versions.

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 Fixed

fixed

Compaction of folders greater than 4GB were truncated to 4GB on 32-bit installations of Thunderbird 128esr

fixed

Some UTF-8 characters were corrupted when using OpenPGP signing with OpenPGP encryption

fixed

Visual and UX improvements

Known Issues

unresolved

"latest" download bouncer aliases are not available for 128.1.1esr at this time

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