ThunderbirdThunderbird
Release Notes

v.15.0, released: August 28, 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.

What’s New

  • NEW
    Multi-Channel Chat: You now can enjoy real time conversation with your contacts, right from your favorite messaging application.
  • NEW
    Do Not Track: This option has been implemented as an addition to Search the Web.
  • NEW
    Ubuntu One is now supported in Filelink - the option to upload large attachments to online storage services.
  • NEW
    New User Interface: Thunderbird is replicating the new look and feel of Mozilla Firefox in an effort to provide a similar user experience across all Mozilla software desktop or mobile and all platforms.
  • FIXED
    Various fixes and performance improvements
  • FIXED
    Various security fixes

Known Issues

  • Unresolved
    If you are unable to view content for your RSS feeds in the Wide View Layout, you can switch to Classic View, or you may need to disable the Lightning Calendar add-on. In both cases, you'll need to restart Thunderbird (see 531397).