VRSettings.cs

using UnityEngine;
using UnityEngine.XR;

[DefaultExecutionOrder(-10000)]
public class VRSettings : MonoBehaviour {
	public float resolutionScale = 1.4f;

	void Awake() {
		XRSettings.eyeTextureResolutionScale = resolutionScale;
		Time.fixedDeltaTime = Time.timeScale / XRDevice.refreshRate;
		Application.targetFrameRate = -1;
		Application.runInBackground = true;
		QualitySettings.maxQueuedFrames = -1;
		QualitySettings.vSyncCount = 0;
	}
}