WebKitGTK+ 2.3.90 is the new release that was issued on Monday. This new update has initial touch support to WebKit2. Additionallym there's a new WebKitWebView API for sharing the same web process (after the earlier development release had support for multiple web processes), and several bug-fixes. The WebKitGTK+ changes are mentioned within this posting.
The GNOME 3.12.0 Beta release is planned for tomorrow, 19 February, and as a result there have also been many other new packages submitted. Some of the other work to find in this GNOME 3.12 beta release includes a GNOME Online Accounts update that enables Pocket by default, Cheese with its various changes, a more responsive UI for GNOME Logs, performance improvements to the System Monitor, and many other changes.