Thunderbird Desktop
Version 128.6.1esr | Released January 27, 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
Link at about:rights pointed to Firefox privacy policy instead of Thunderbird's
fixed
POP3 'fetch headers only' and 'get selected messages' could delete messages
fixed
'Search Online' checkbox in saved search properties was incorrectly disabled
fixed
POP3 status message showed incorrect download count when messages were deleted
fixed
Space bar did not always advance to the next unread message
fixed
Folder creation or renaming failed due to incorrect preference settings
fixed
Forwarding/editing S/MIME drafts/templates unusable due to regression
fixed
Sort order in 'Search Messages' panel reset after search or on first launch
fixed
Reply window added an unnecessary third blank line at the top
fixed
Thunderbird spell check box did not allow ENTER to accept suggested changes
fixed
Long email subject lines could overlap window control buttons on macOS
fixed
Flathub manifest link was not correct
fixed
'Prefer client-side email scheduling' needed to be selected twice
fixed
Duplicate invitations were sent if CALDAV calendar email case did not match
fixed
Visual and UX improvements
