For those keeping up with the latest GNOME 3.0 development snapshots and packages, GNOME 2.31.3 was just christened today. This newest snapshot of the GNOME 3.0/2.32 desktop environment incorporates the newest GTK+ 3.0 development toolkit
along with many other updated packages for the desktop.
The next development release, GNOME 2.31.4, is expected to be released using the GTK+ 2.90 tool-kit version. The release announcement can be found on the GNOME mailing list