Thunderbird Release Notes

Version 45.6.0, first offered to channel users on December 28, 2016

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

    The system integration dialog was shown every time when starting Thunderbird

  • fixed

    Various security fixes