Mozilla Thunderbird 2.0.0.21 March 18, 2009, 14:54(EDT) By Eric (a.k.a. TweakHound) Not “official” but it is on the mirrors. Download Thunderbird 2.0.0.12 (EN-US) here. See the Tbird Home Page for the official Release. openSUSE users, it is already up on the repos.