1) Open OpenXR Settings (go to Edit > Project Settings > XR Plugin Management > OpenXR). 2) Select Single Pass Instanced from the Render Mode drop-down menu.
This setting is not applicable to projects using the Windows XR Plugin.
1) Open Player XR Settings (go to Edit > Project Settings > Player > XR Settings). 2) Select Single Pass Instanced from the Stereo Rendering Method drop-down menu (the Virtual Reality Supported check box must be selected).