I have here an album twice in my library. The files are identical, in fact one is an export of the other. The only differences are 1. one set of files has metadata and 2. one folder has a PDF in it too. Tracks are otherwise identical: there are no other editions of this (marvellous) album.
Roon doesn’t automatically dedupe them. Even after reidentifying both they remain separate. And both albums have no “versions” tab so Roon seems entirely unaware there are two.
As I recall 1.4 they would have automatically stacked as versions. Now in 1.5 they don’t. This is a problem.
@Ludwig, could you please post your Library Settings here? And upload this album, I mean the original one, for us. I will contact you via PM with more details.