If you are working in studio with a Quest 2 VR Headset, and the headset disconnects (either by the link cable coming out or the airlink dropping) and then reconnect, Studio will crash.
the easiest and most reproducible way to do this is with a link cable.
Step 1: Load up studio in VR mode (so that testing loads you into VR mode) with a quest 2 headset connected.
Step 2: Press Play
Step 3: Disconnect, and reconnect the quest 2.
when the quest 2 finishes reconnecting studio will crash.
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