Thunderbird Desktop
Version 153.3.1esr | Released September 18, 2026
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 153, see Thunderbird 153 Meadow FAQ
For more on all the new features in Thunderbird 153, see What’s New in Thunderbird 153.
System Requirements: Details
What’s Changed
changed
There are no Thunderbird changes requiring release notes in this release
