What's kind of frustrating is that MS did show concept videos of what's called "Spatial Capture" on the HoloLens running on the MR Display, so that you would at

What's kind of frustrating is that MS did show concept videos of what's called "Spatial Capture" on the HoloLens running on the MR Display, so that you would at least have the gross shape of large objects in your VR space. But that hasn't been the case so far, and it's been difficult to suss out documentation that is specific to the VR headset, rather than just old HoloLens docs.