Shared video controllers = "ca ca".

You cannot do anything about this if you have a laptop, but most Desktop systems can be upgraded to better video adapters.

Re: "When will G4 be fixed".

Well a "fix" is not needed as the add-ons were really designed for G2 and were not to be supported in G4...

However KE is working on a patch to enable backward compatibility. It's in testing now.

So the answer is SOON.