Highlights sets of identical barcodes and toggles checkboxes for merging on click
< Opiniones de MusicBrainz: Highlight identical barcodes and toggle merge checkboxes
That's intentional, the script also looks at the format and if it differs the barcodes are not highlighted.
Ok, nice!
Identical barcode not seen as identical: https://musicbrainz.org/edit/132198716 (the second one is identical but only the first and third ones are highlited)