As usual while waiting for the next release - don't forget to check the nightly builds in the forum.
Are you still able to interact with the editor tabs (with the mouse) ?If yes, this issue might be fixed in trunk (svn r6924).
Just a small thing: In the Help->About dialog it says: "Build Dec 28, 2010".
In all previous nightlies it's the nightly build release date. Did it change now?