Case in point. I have all four Ghostbusters movies. All in 4K.
When I go to library and look at my 4K movies, the 3rd one doesn’t show. When I go to search for it, I find it and it is indeed a 4K copy.
Mind you that until latest build of tvOS my library didn’t show on my 3 most recent ATV4K models at all (but just fine on the first gen 4K and HD models).
Still.
Anyone?
It shows what you see.