https://github.com/GloriousEggroll/ULWGL
From the github:
WHAT DOES THIS MEAN FOR OTHER LAUNCHERS (lutris/bottles/heroic/legendary,etc):
- everyone can use + contribute to the same protonfixes, no more managing individual install scripts per launcher
- everyone can run their games through proton just like a native steam game
- no steam or steam binaries required
- a unified online database of game fixes (protonfixes)
That's mostly down to DXVK, not Proton in general. You can't really translate Windows API calls from Windows to ... Windows. It wouldn't change anything. Running games with Vulkan might though, especially with Intel Arc for example.