Hmm.. i remember someone ask a similar question (somewhere) and indeed the UV where (somehow) accidently "shrunken".. they didn't fit anymore.. Another (weird) idea would be.. usually in blender (default theme) the overlay color is white and some orange if selected.. additionally marking the faces in a faded orange.. like…
Perhaps, but can you really complain when what you do get is this good and free? I think it's a small sacrifice for getting such a great tool for nothing. Besides, they are working on it. So it's not like ngons will never be part of Blender. I'd say, be patient and just work around the limitations for now. Everything else…