Newest PhysX System Software 9.09.1112 was uploaded to Developer Support Center. It contains updated runtimes for some upcoming APEX tools, but most of users and developers won’t see any differences from 9.09.30 System Software.
In addition, according to our sources, PhysX System Software 9.09.1112 will be included into next release of public GeForce drivers.
If you are experiencing trouble with registration of PhysX Developer account, please refer to our registration guide.
Update #2: official WHQL version is available