As saxmand said "Just another big +1 on hoping that you will find a way and the resources to port" I would be so happy if you find a way for Imperial.
Dear Paul, maybe as an idea - If it is too hard to port, since it is basically samples like all your other pianos (and only 3 microphones) you basically need a sample player? Can you just put them into a future product as an "alternative piano"? I would be more than happy to pay for a new license if you get Imperial Apple silicon native.
Crossing all my fingers - thanks so much
Best, Tom