I think so far most of it has gotten upstreamed. at least, I can play most I try (not very many, granted... rarely in the mood) with plain wine. but my understanding from the project is that Valve tries to upstream fixes once they're deemed reliable enough and as long as they don't pose problems for other applications.
Admittedly for their specific use case proton goes way beyond wine
Actually no; proton is almost entirely wine. It's really like 90% the community (wine contributors over a span of three decades), 8% a german developer on his free time (the one that implemented dxvk, which is 99% of the magic in proton), and like 2% valve (and mostly because they started to pay said german dev).
This is the culmination of 30 years of community contributions, almost entirely by volunteers, without profit motive. Valve did very little beyond adding a bubblewrap-based sandbox to improve reliability a bit - though they did speed up things those past few years, admittedly.
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I think so far most of it has gotten upstreamed. at least, I can play most I try (not very many, granted... rarely in the mood) with plain wine. but my understanding from the project is that Valve tries to upstream fixes once they're deemed reliable enough and as long as they don't pose problems for other applications.
Actually no; proton is almost entirely wine. It's really like 90% the community (wine contributors over a span of three decades), 8% a german developer on his free time (the one that implemented dxvk, which is 99% of the magic in proton), and like 2% valve (and mostly because they started to pay said german dev).
This is the culmination of 30 years of community contributions, almost entirely by volunteers, without profit motive. Valve did very little beyond adding a bubblewrap-based sandbox to improve reliability a bit - though they did speed up things those past few years, admittedly.
deleted by creator