Thunderbird 3.0 (release candidate 2) now available for download

Please note: the Thunderbird 3.0 Release Candidate 2 is a public preview release intended for developer testing and community feedback. It includes many new features as well as improvements to performance, web compatibility, and speed. We recommend that you read the release notes and known issues before installing this release candidate.
The Thunderbird 3.0 (Release Candidate 2) is now available for download.  This version contains fixes based on the feedback obtained from the previous release candidate
New features in Thunderbird 3 that require feedback include:

Testers can download Thunderbird 3.0 Release Candidate 2 builds for Windows, Mac OS X, and Linux in 49 different languages. Developers should also read the Thunderbird 3.0 for Developers article on the Mozilla Developer Center.
 
As always, the Mozilla community would appreciate hearing about any feedback you have about this release, or any bugs you may find.
 
Note: Please do not link directly to the download site. Instead we strongly encourage you to link to this Thunderbird 3.0 Release Candidate milestone announcement so that everyone will know what this milestone is, what they should expect, and who should be downloading to participate in testing at this stage of development.

Keep Your Vital Information Organized Secure and Protect Your Mail Mozilla has bolstered Thunderbird’s acclaimed security and privacy measures to ensure that your communications and identity remain safe. It’s like having your own security guard online.
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We subscribe to the Mozilla Manifesto. Furthermore, we believe that email is the killer app of the Internet, a vital tool in modern society, and one which has not evolved as much or as fast as it should have. We're driven to improve the experience of people communicating with each other on the Internet.Our first tool in this endeavor is the Mozilla Thunderbird email client, which is already in use by millions of people worldwide.

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