Thunderbird Release Notes

Version 38.2.0, first offered to channel users on August 14, 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.

Thunderbird 38.2.0 contains underlying code that is based off of Firefox 38.2.0 esr. See also the release notes for the update from Thunderbird 31 to 38

What’s New

  • changed

    Hardware acceleration is now disabled by default to avoid crashing Thunderbird

  • fixed

    A few bugs have been fixed to avoid crashing Thunderbird

Known Issues

  • unresolved

    The "maildir" storage type can no longer be set through the UI due to various issues. Power users can still set the storage type using the config editor.