Does anyone know if, when you release a Windows game on Steam and it is played through Proton (eg the Deck or really anything, but the Deck is notable since it'

Does anyone know if, when you release a Windows game on Steam and it is played through Proton (eg the Deck or really anything, but the Deck is notable since it's a common platform), the dev would have any indication that the game is not in fact running on Windows? In a way, it doesn't matter, but I always wonder how these kinds of stats color how devs look at things.