The PhysX SDK 3.0 is out now.
I had a quick glance at the documentation, and it seems quite interesting. However, it is also a full rerwrite of the API. Not only the names for all the classes have changed, but also the object hierarchies and several other details.
For now there is only a Windows SDK available. Linux and OSX will follow several months later. At least for far it has been like this.
The huge change in the PhysX API makes it unreasonable to just “upgrade” the existing Panda3D PhysX module. I think a full rewrite based on the lessons learned with the current PhysX integration and the emergin Bullet integration is the way to go.
Don’t try to compile the current Panda3D source code using the PhysX SDK 3.0. It won’t compile.