Official builds of Seamonkey version 2.0.11, Firefox version 3.5.16, and Thunderbird version 3.0.11
have been released (dated 11/27/2010, but released on 12/12/2010).
SeaMonkey is a continuation of the Mozilla Suite, and now features addon
management, HTML 5 audio and video, tabbed mail, and more. Firefox is a
stand-alone browser, based on Mozilla code. Thunderbird is a mail /
news client, based on Mozilla code; the 3.0.x build includes the
Lightning extension, which adds calendar support. See my Warpzilla tips page for more information.
Source: OS/2 Warp News and Rumors