GNOME 3.4 is now finally released to public. It's the second major release after GNOME 3 was introduced. The Release Notes will cover the changes that has been introduced on this release.
Meanwhile, GTK 3.4 was also released few days before GNOME 3.4 is released. This is the first GTK+ release that works well on Windows. Windows support will be added soon. Several other related libraries were also released such as Cairo, GLib, and Clutter.