Thunderbird 3 Beta 4 is now available for download. This milestone is focused on testing the core functionality of the new features and platform changes that will be included in Thunderbird 3. For additional information about the new features, visit this blog post [2].

This is the last planned beta before the final release of Thunderbird 3.

New features and changes in this milestone that require feedback include:

• New Search with advanced filtering tools
• Redesigned Mail Toolbar and Global Search field
• New Mail Account Setup Wizard

Downloading
Please read the Release Notes before downloading for more information about this release including known issues

Testers can download Thunderbird 3 Beta 4 builds for Windows, Mac OS X, and Linux in 43 different languages.
http://www.mozillamessaging.com/en-US/thun...ases/downloads/