"This is our second development release on our road towards GNOME 2.18.0, which will be released in March 2007. New features are coming in at a nice rate, and that's great. A lot of bug fixes too. And some crashers are appearing here and there: that's the fun of unstable releases!"
http://mail.gnome.org/archives/gnome-announce-list/2006-November/msg00032.html