[gpderetta]

You are right of course. But I expect that valve will come up with proton-on-arm with x86 translation very soon (in fact possibly next week-ish when they release the frame).

[codebje]

They're using a custom fork of FEX (https://fex-emu.com/).

CodeWeavers, AIUI, have a plan - and their plan may also be using FEX as a basis.

[hyhatqtv]

I think no Vulcan might be a bigger issue than x86 -> ARM conversion?