Thunderbird Release Notes

Version 38.4.0, first offered to channel users on November 27, 2015

Check out "What’s New" and "Known Issues" for this version of Thunderbird below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla. If interested, please see the complete list of changes in this release.

What’s New

  • fixed

    Various security fixes

  • fixed

    Fixed issue where messages moves of multiple messages from a maildir folder to an mbox folder failed.