Release Notes

Thunderbird Desktop

Version 128.7.0esr | Released February 5, 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.

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 Fixed

fixed

Images inside links could zoom when clicked instead of opening the link

fixed

Compacting an empty folder failed with write error

fixed

Compacting of IMAP folder with corrupted local storage failed with write error

fixed

After restart, all restored tabs with opened PDFs showed the same attachment

fixed

Exceptions during CalDAV item processing would halt subsequent item handling

fixed

Context menu was unable to move email address to a different field

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