Thunderbird 3.0 (Release Candidate 2) rc2 available for download

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,
stability, and speed. 

 Thunderbird 3 Release Candidate is a preview release of the next major
version of Thunderbird and it is being made for testing purposes only.This release does not represent the final product.

Please do not use Thunderbird 3 Release Candidate in a production

What’s New in Thunderbird 3 

Thunderbird 3 is based on the Gecko platform
including some major re-architecting to provide improved performance,
stability, web compatibility, and code simplification and sustainability.

Notable features include:

New Search with Advanced Filtering Tools

  • New Search with Advanced Filtering Tools

    results now include advanced filtering tools. You have the option to
    filter your results by sender, tag, attachments, people, folder, and
    mailing list. You can also filter your email using the timeline tool.

  • New Global Search Field with Autocomplete

    typing in the Global Search field, Thunderbird autocompletes against
    your address book. You have the option of searching everywhere or
    filtering against different parts of the email such as by subject or by

 The Thunderbird 3.0 (Release Candidate 2) is now available for download, containing fixes based on the feedback obtained from the previous release candidate.

New features in Thunderbird 3 that require feedback include:

  • New Search Tools
  • Tabbed Email
  • Message Archiving
  • New Mail Account Setup Wizard
  • Improvements for Developers

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.


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