The bug (at least the primary one) is that the Refresh Metadata command doesn’t always do what it is supposed to do. That’s why all those posts I listed exist.
If you edit an embedded tag in a music file, you expect (and the documentation explicitly says) that the Refresh Metadata command is how you make Plex aware of the change. But it doesn’t work. That’s the very definition of a bug.
It’s also worth noting that Emby, a Plex competitor, has no problem performing this function. So it is most certainly doable.
