See Lennart's announcement about the new /run directory: http://lists.fedoraproject.org/pipermail/devel/2011-March/150031.html SELinux should treat it in the same way as /var/run.
*** Bug 692375 has been marked as a duplicate of this bug. ***
It seems http://koji.fedoraproject.org/koji/buildinfo?buildID=235846 has to be build again, otherwise my system with today's -testing updates won't boot. (However boots fine with Permissive.)
*** This bug has been marked as a duplicate of bug 692436 ***