Good stability via Valve's Proton would be enough for me. Meaning I wouldn't preorder it until announcement of the native port or until I am sure it would run smoothly enough on my system via Proton. Not to mention that it would be absolutely meaningless to buy Cyberpank 2077 in their own store without linux native support.

I am guessing they will launch Galaxy 2.0 with Cyberpank 2077. If its beta would provide any linux support, I say we have a chance for the native port of the game. Otherwise, not much of a luck I am afraid.