Thunderbird Desktop
Version 153.0.1 | Released July 28, 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.
System Requirements: Details
- Windows: Windows 10 or later
- Mac: macOS 10.15 or later
- Linux: GTK+ 3.14 or higher
What’s Fixed
fixed
New Message and New Event buttons were unreadable in right-to-left locales
fixed
OpenPGP sending failed when an accepted key lacked a valid encryption subkey
