Thunderbird Desktop
Version 128.5.2esr | Released December 11, 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
Large virtual folders could be very slow
fixed
Message could disappear after moving from IMAP folder followed by Undo and Redo
fixed
XMPP chat did not display messages sent inside a CDATA element
fixed
Selected calendar day did not move forward at midnight
fixed
Today pane agenda sometimes scrolled for no apparent reason
fixed
CalDAV calendars without offline support could degrade start-up performance
fixed
Visual and UX improvements