Mozilla Thunderbird 3.1 has been upgraded to a beta version. The beta release of this desktop email client was released by the Mozilla Messaging developers.

This release of Thunderbird 3.1 beta fixes a total of 96 bugs including performance updates and security fixes.

There are four notable changes in this release. As pointed out by the Thunderbird team, they are:

• Several fixes to improve upgrading from Thunderbird 2.
• Several fixes for auto complete, tabs, and activity manager.
• Several design improvements and corrections to the interface.
• Stability and memory improvements.

Download Thunderbird 3.1 Beta

Thunderbird 3.1 Beta can be downloaded for all operating systems from here: Download Thunderbird 3.1 Beta

[Via gHacks]