Mozilla Messaging has released the first Beta of Thunderbird 3.1, code named Lanikai. This release includes:
From the release notes:
- 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.
You can try Thunderbird 3.1 from Mozilla Messaging available for Windows, Mac OS X, and Linux in 25 languages.
Source: Mozilla Links