Moving from Version 2019 => 2021:
[ ] Download the version and switch to android platform
[ ] Updated Oculus Integration
[ ] Update Xr plugin
[ ] Any request for updates should be done
[ ] Color Space change from Gamma => Linear
[ ] Auto Graphis Api set false
[ ] Graphics Api
Vulkan
OpenGLES3
[ ] Minimum API level set to 7.1 or any higher than 25
[ ] XR Plug-in Management/Oculus
Stereo Rendering Mode: Multipass => Multiview