Shader Model 6 ❲Must Read❳

If SM6 is so good, why wasn't every game using it immediately after its introduction (around 2017)?

Shader Model 6 is the unsung hero of modern gaming visuals. It stripped away the legacy limitations of the DirectX 9 and 10 eras and built a foundation that treats the GPU less like a specialized graphics drawer and more like a massively parallel supercomputer. shader model 6