Thunderbird Desktop
Version 153.0.2esr | Released August 4, 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
- Windows: Windows 10 or later
- Mac: macOS 10.15 or later
- Linux: GTK+ 3.14 or higher
What’s Changed
changed
Restored previous Yahoo sign-in flow to improve login reliability
What’s Fixed
fixed
Edit Calendar dialog opened without a window title
fixed
Thunderbird could crash when going offline with active IMAP connection
