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ThunderbirdThunderbird ESR
Release Notes

v.17.0, released: November 20, 2012

Check out what’s new and known issues for this version of Thunderbird ESR below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.

What’s New

  • NEW
    Filelink: Upload your files to an online storage service and send links to your friends, avoiding bounce back due to large attachments. Box, Ubuntu One and YouSentIt are available as online storage providers.
  • NEW
    In partnership with Gandi and Hover, you can now sign up for a personalized email address from within Thunderbird. Along with your new email address, Thunderbird will be automatically set up and ready to send and receive messages. We are working with additional suppliers to cover more areas of the world and to provide more options in the future.
  • NEW
    Multi-Channel Chat: You now can enjoy real time conversation with your contacts, right from your favorite messaging application.
  • 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.
  • NEW
    New user interface with Tabs above the main menu bar to facilitate navigation and make it more contextual
  • NEW
    A Menu Button is now shown to new users by default
  • NEW
    Tabs are now drawn in the title bar on Windows
  • NEW
    Global Search results now include message extracts in the results
  • NEW
    Do Not Track: This option has been implemented as an addition to Search the Web.
  • NEW
    Silent, background updates. Thunderbird will now download and apply updates in the background allowing you to start quickly the next time Thunderbird starts up.
  • FIXED
    No longer supporting MD5 as a hash algorithm in digital signatures (650355)
  • FIXED
    Various improvements to RSS feed subscription and general feed handling
  • FIXED
    RSS feeds can now be viewed in the Wide View Layout (531397)
  • CHANGED
    The minimum system requirements for Windows are now Windows XP Service Pack 2 or later.
  • CHANGED
    Mac OS X 10.5 is no longer supported
  • DEVELOPER
    Thunderbird now supports add-ons that provide different types of local mail storage