I searched issues.unrealengine.com for “collab viewer” and found this: Unreal Engine Issues and Bug Tracker (UE-172475)
In my case, I did not find it necessary to enable OpenXR plugin to repro.
I searched issues.unrealengine.com for “collab viewer” and found this: Unreal Engine Issues and Bug Tracker (UE-172475)
In my case, I did not find it necessary to enable OpenXR plugin to repro.