ThunderbirdThunderbird
Release Notes

v.12.0.1, released: April 30, 2012

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 release notes for the previous release.

What’s New

  • FIXED
    Fix various issues relating to new mail notifications and filtering on POP3 based accounts
  • FIXED
    Fixes an occasional startup crash seen in TB 12.0
  • FIXED
    Fixes an issue with corrrupted message bodies when using movemail

Known Issues

  • Unresolved
    If you are unable to view content for your RSS feeds in the Wide View Layout, you may need to disable the Lightning Calendar add-on if you have it installed or switch to Classic View and restart Thunderbird. (see 531397)
  • Unresolved
    Running TB 12 with local mail folders and pop3 mail filters may produce summary files that aren't correctly read by previous versions of Thunderbird. If you decide to go back to a previous version of Thunderbird after running TB 12, you should delete the .msf files for your local folders and pop3 accounts, or repair the folders using the folder properties dialog, to avoid potential data loss.