Pidgin (the messaging client formerly known as Gaim) released 2.0.0 binaries (source code too!) for Windows and Fedora Core on May 4th. It integrates three years of Summer of Code Gaim projects. They also got a brand spakin' new website with a funny looking pigeon as their logo.
More Information:
Pidgin 2.0.0
Change Log:
Pidgin ViewMTN: File ChangeLog in revision [8c0ef1cb..]