Definitely agreed; ListenBrainz support was probably my #1 most wanted feature in Roon, so I’m very glad to see it.
I was a little disappointed to find that it doesn’t seem to be submitting any MusicBrainz IDs read from the file metadata along with the scrobbles; hopefully this is something that can be added in a future update. Adding MBIDs makes it much easier for ListenBrainz to properly match listens to the correct recordings and releases in the MusicBrainz database.
That looks like the ListenBrainz mapper was able to match that one to MBIDs based on the metadata submitted, but Roon itself is not submitting them. See this example:
If it’s not able to automatically match it is possible to do manual matches through the website, but obviously it would be better for Roon to submit the IDs in the first place given that it has access to the files being played which are ideally already tagged with them.
You are correct, it was positive feedback followed by a comment about importing history. I see you replied to a comment about the release ID, which is now a feature suggestion.
However, the posts I moved were general discussion about ListenBrainz, and diluted the general feedback nature of this thread.