Release Notes

Thunderbird Desktop

Version 128.3.3esr | Released October 22, 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 Fixed

fixed

Files left over from failed folder compactions could use up disk space

fixed

Message list returned to selected message after action on another message

fixed

Some faulty messages were downloaded and never stored

fixed

Messages could become corrupted during folder compaction

fixed

Searching events by Location, Description, or URL failed

fixed

"Remove All Shown" saved passwords deleted all logins if filtered without results

fixed

Calendar event updates were not always sent to attendees

Learn What’s Next

Thunderbird keeps getting better. Subscribe to our newsletter and follow us on social media to stay informed.