We need to make sure the old URL has a redirect (easily done, already had to do something like that for the categories PR)
I hadn't heard of the the term XR until now - it might be worth mentioning VR/MR/AR in the category description in case other people are also unfamiliar.
The term "Extended reality (XR)" includes augmented reality (AR), mixed reality (MR) and virtual reality (VR) - https://en.wikipedia.org/wiki/Extended_reality