While Mozilla Firefox 2.0 has been out now for almost two months, the Mozilla Thunderbird 2.0 branch is still catching up. Coming out of the Mozilla camp today is Thunderbird 2.0 Beta 1
. Some of the new features in this development milestone is message tagging, improved default theme, session history navigation, folder views, improved extensions support, improved offline management, improved new mail notification alerts, folder summary pop-ups, cached search folders, improved filing tools, and an update to the Thunderbird extension system. Mozilla Thunderbird 2.0 Beta 1 can be grabbed for all major platforms. Thunderbird 2 final is anticipated for release in the first quarter of next year.