Symphonium is the goat. Using it with Jellyfin.
Altho what I miss as well is the big data driven recommendation of new, niche music. I tried new compilation albums, I tried recommendation by genre/tag but nothing quite hits it like spotify 'discover weekly".
Also my listenbrainz doesnt really scrobble while listening offline (downloaded) playlists on symphonium, so its not really an option.
Anyone with a solution to this?