oops, meant to ask  do you mean all Gem features WILL work?

sorry 

Can anyone please elaborate on this please? This sounds weird to me, cause the 32 binary of Gem will run on 32 bit Pd on OSX/64bit, so "there is" QuickTime on OSX/64bit. Does it mean it has to be run on 32bit applications?

And then, if you say there is no QuickTime on OSX/64bit, it sounds like there is nothing one can do to make it happen, unless rebuild OSX/64bit in a way it has QuickTime (and only Apple could do that).

So I'm really confused on what the technical issues are.

Thanks