Thunderbird Desktop
Version 128.9.2esr | Released April 15, 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
Two-factor auth via text or email did not work with Office 365 using Oauth2.
fixed
IRC channel was not visible after restart.
fixed
Global indexing failed when processing email with invalid calendar data
