the Direct3D 12 library for Linux will be closed-source. The DirectX core and D3D12 libraries will be closed-source and shipped as part of Windows.
Правда всё это богадство только для WSL.
There is a single usecase for this: WSL2 developer who wants to runmachine learning on his GPU. The developer is working on his laptop, which is running Windows and that laptop has a single GPU that Windows is using.