I was really happy to saw this announcement, I use MusicBrainz Picard since a long time now and in IMO the MusicBrainz Database is one of the best to manage music collections (CD, vinyl, digital etc…).
We already now “Plex.tv will use the MusicBrainz data to match users’ personal music collections” (source) and that excellent news. But can we also imagine new feature like enabled LIsten into ListenBrainz? And many more?
Yeah, if Plex uses MB database to manage music, we could imagine the MusicBrainz ID will be there and acoustic data could be submitted directly from Plex to AcousticBrainz.
new musicbrainz support, along with loss of various tv/dvr guides, would seem to indicate to me that plex has/is/will be losing or discontinuing support for gracenote et al.