(I was going to do this as a reply to the older discussion, which would be much more suitable, IMHO, but that thread was auto-closed, and the warning about necromancy sounded intimidatingly stern…)
So, people seem to be Nanite-ing and Lumen-ing around in VR, with Unreal Engine 5.1.0 Preview 2, which looks promising – I had kind of written those off as a lost cause… :7
https://twitter.com/H1R0Y4N/status/1579060446937550848?s=20&t=qcNNb_mxkn5gND14_rdpow
Got that preview version queued for download, to see whether I can get the city demo to launch in VR… :7