I just updated Oculus Integration to v13 and found Unity editor crashes with hand tracking.
What I did is make a new project and a new scene, add setup some necessary stuff such as importing Oculus Integration, and add OVRCameraRig to the scene as well as OVRHandPrefab and OVRControllerPrefab as children of the hand anchors. Finally, change the platform to Android and set OVRManager's Hand Tracking Support to "Controller And Hands". Then I hit play and it crashed. I tried Unity 2019.2.9f1 and 2019.3.0f6 but both didn't work.
The HandTest scene worked successfully just once, and at that time my scene worked too. But after rebooting It didn't work again. I don't know why. Anyone knows the solution?
By the way I am using Oculus Quest and Oculus Link.