Hi @noris, I think there are two separate problems here.
Firstly, I think that the Apple Music app stores its library and playlists in Music Library.musiclibrary and that Roon does not scan this file. Roon was displaying some old playlists no longer present in Music and not showing newer playlists. I exported the Music library to iTunes Music Library.xml to work around this problem.
Secondly, Roon is missing some tracks from playlists. For example:
Via Excel exports and Vlookup on the file path I find six (why not five?) tracks in the Music playlist missing from Roon:
These tracks all exist in Roon but five are missing from the playlist: Fanm actually is in the playlist even though Vlookup fails to match the path (hence six paths rather than five).
My hypothesis is that it’s a character encoding problem: these paths all have non-standard characters.
In support of which, these two filters on e-acute on the same column in the Roon export path lists are clearly not the same character:
What do you think?