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Early37, Steve in Pudsey, thank you for clarification and explanation!

Physical screens with the exception of Newsline in Belfast (a Nation not a region) who have extended their physical set with (very conspicuous) VR

Indeed, it was Northern Ireland set with its virtual wall(s?) complaints that put me off - although many English regions are more populated than Nations, the latter are considered more senior as they cover a lot more politics, so it is weird that NI remained with a partially virtual set while most of the English regions get 3 solid video walls.

You may have noticed that the screens are also provided with a generic set of display templates so the regions can simply insert images / video feeds onto the panels that will animate and fit within the background imagery. Therefore, expect most regions to have very similar animations and templates going forward after their set is updated to this design

Of course, it is somewhat expected in my view for mother company to send out some nice templates for regional news uniformity, it is more of a surprise to me when this does not happen and everybody is left to do their own thing to the best of their resourses.

This is the same LED hardware used in Studio B at Broadcasting House but on a much smaller scale. A lot of people thought that AR was being used in Studio B when they first saw it but it is also formed of LED panels with a high density resolution.

A U.K. national set that has a lot of big videowalls did not surprise me, the technology was there several years ago. It is good that they took that much care of the regions and brought the tech there.

Speaking of moire, is there any info about the pixel pitch for the regional sets' and, specifically, Midlands set's video walls? Newscast says that for Studio B it is 2.5mm which is a little larger than one would expect.
www.newscaststudio.com 
However, for BBC Wales' new studio it might be even smaller, at 1.5 mm, which is closer to what was avaliable in 2019.
www.inavateonthenet.net 
This source, although, is much less known to me.