NVIDIA's Reflex feature is used to minimize the response times of hardware and software resources through a driver-level setting. The new VKD3D-Proton 2.12 update brings several other additions as well, including Shader Model 6.7, D3D12 Render Pass API, and a wide range of performance optimizations. You can look at the updated list below: - Implement support for VK_NV_low_latency2.