Tags not applying in Windows Explorer (Mostly)

I asked this question a good while back but it's happening again and I just don't understand it. I've attached an image so you can see in Windows Explorer (top image) the videos are meant to be ordered by "Album Artist" (videos are called things like 'Video 1' just as an example) and the bottom image is mp3tag so you can see I think(?) they're tagged correctly to be sorted in order, because doing this works for all the other like 100 video files, just not "Video 2" specifically, even though it's a normal .mkv like the rest of them. Not sure what the solution here is- and I've tried sorted by other things like just "Album" but then that messes up the order for even more things somehow.

How would MP3tag sort the files by ALBUMARTIST?
Could it be that the data in the field has a trailing space character?

No stray spaces as far as I can see. I tried tagging them in order in multiple columns like you can see but it's just not applying to Video 2 properly unlike the rest.

How does MP3tag sort the files when you sort by ALBUMARTIST?

Does the windows explorer show the content of ALBUMARTIST at all? Do you use an addon for the explorer?

Are the files tagged ALBUMARTIST or ALBUM ARTIST and which one does Windows Explorer show?

In a short test, my German Windows 10 File Explorer shows 4 of 5 Mp3tag fields in a MKV file:
image

WFE seems not to show the content of ALBUM or ALBUM ARTIST (the field with a space).
It wrongly shows the TITLE content also in WFE-Album.
It shows the ARTIST content in WFE "Albuminterpret".
It shows the ALBUMARTIST content in WFE "Mitwirkende Interpreten".

If someone have an idea, maybe I could choose other columns in WFE 10?


This could be related to the changes introduces in Mp3tag v3.29:


VLC shows: