Thunderbird Desktop
Version 153.0.3esr | Released August 11, 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 Fixed
fixed
Dragging attachments from Local Folders to the desktop failed on Windows
fixed
IMAP tags did not sync automatically across clients
fixed
DisablePasswordReveal policy failed to prevent revealing saved passwords
fixed
Thunderbird could crash when saving a sent Exchange message
