MRTK

The MRTK v2 with Unity is an open-source cross-platform development kit for mixed reality applications. MRTK version 2 is intended to accelerate development of applications targeting Microsoft HoloLens, Windows Mixed Reality immersive (VR) headsets, and OpenVR platform. Android and iOS device support is also available.

[[Here]https://docs.microsoft.com/en-us/windows/mixed-reality/mrtk-unity/?view=mrtkunity-2021-05] is the official docs

Summary

• ObjectManipulator script that you'll apply to a cube for direct manipulation with hands
• SinglePass instanced rendering optimizes the Unity rendering pipeline
• MRTK Shaders instead of Unity 3D standard shader
• Aim for 60 FPS
• Turn on Depth Buffer Sharing (16-bit depth is better)
• (Unity 2020 + OpenXR) Choose Release Build (there are known performance issues with Debug)