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Proton 9.0-3 released
(github.com)
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Proton is a patched Wine with a translation layer from DirectX to Vulkan. Wine will run a lot of Windows cad software with varying success, particularly older versions and I am not sure how much general desktop applications benefit from the Valve sponsored improvements to gaming. It is a shame these CAD programs weren't all built on game engines like Unity or Unreal instead of a bunch of Windows APIs with varied levels of implementation.