How does one obtain a ID3D12Device10 handle from D3D12CreateDevice()? For me it fails with the error "No such interface supported". It works fine with ID3D12Device6. I'm on Windows 11 21H2 22000.856, and the SDK version is 10.0.22000.0. QueryInterface() doesn't work either.
Support for ID3D12Device10 / ID3D12GraphicsCommandList7 requires either Windows 11, Version 22H2 or Windows 10 Version 1909 or later or Windows 11 while using the DirectX Agility SDK version 1.7 which is currently in preview.
On your current system, ID3D12Device9 / ID3D12GraphicsCommandList6 is the highest supported by default.
Exactly which features are exposed on your system depends on the video driver, so be sure to use CheckFeatureSupport.