On an album's page, there is no track listing unless the File Organization Rules are active (if disabled, no track file info at all). One would expect to see both track names and filenames should be listed. The workarounds, to go via the Tags page, or enable the file-org rule(s), are suboptimal.

Moreover, if potential duplicates could be indicated in the track list (and propagated to the album overview), it would make cleaning up large aggregated collections a little less frustrating.

The duplicate detection could be as simple as a case-insensitive comparison of the filename (e.g. "There are 4 similarly named files in other albums (see which ones)"), or a more advanced comparison on metadata-stripped files. A spectral-fingerprint-based comparison would be nice(tm), but...