Release Notes

Thunderbird Desktop

Version 68.6.0 | Released March 12, 2020

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.

** Thunderbird version 68.6.0 provides an automatic update from Thunderbird version 60.** If you have installed Lightning, Thunderbird's calendar add-on, it will automatically be updated to match the new version of Thunderbird. Refer to this Calendar troubleshooting article in case of problems.

System Requirements: • Window: Windows 7, Windows Server 2008 R2 or later • Mac: Mac OS X 10.9 or later • Linux: GTK+ 3.4 or higher. Details here.

Please refer to Release Notes for version 68.0 to see the list of improvements and fixed issues.

What’s New


Thunderbird now displays a popup window when starting up on a new profile

What’s Changed


Thunderbird now provides partial updates resulting in smaller downloads

What’s Fixed


Searching in message bodies led to false negatives under some circumstances in quoted-printable encoded HTML bodies


"Get New Messages for All Accounts" not working for OAuth2-authenticated IMAP accounts


Various security fixes

Learn What’s Next

Thunderbird keeps getting better. Subscribe to our newsletter and follow us on social media to stay informed.