Mozilla Releases Thunderbird 9.0

December 21, 2011

Along with the new Firefox 9.0 release, Mozilla has also released version 9.0 of its Thunderbird E-mail client, for Mac OS X, Windows, and Linux.  The new version includes the same updated Gecko rendering engine as Firefox 9.0,  and also incorporates a number of changes, including:

  • New opt-in system for users to send performance and usability data back to Mozilla to improve future versions of Thunderbird (A similar facility has been included in Firefox since earlier this year.)
  • Additional support for Personas in the compose and address book windows
  • Better keyboard handling for attachments
  • Several user interface fixes and improvements

It also includes fixes for six security vulnerabilities, one of which is rated Critical.  Further information is in the Release Notes.

You can obtain the new version via the built-in update mechanism, or you can download a complete installation package, in a variety of (human) languages.

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