Rekordbox & Music app on Mac, now working?

TLDR: Is RB 5.8.5 onwards now working correctly with Mac Music app & does not need an XML file anymore?

I updated to Catalina a month or 2 ago & discovered an app called Retroactive which installs iTunes into Catalina. I did this so I could still use iTunes with Rekordbox. I set it up then actually didn’t do much to check the setup as I got sidetracked.

Cut to yesterday, in looking into moving onto RB6 I needed to check what I’d setup. I decided to use Music app with my library of albums (non-DJ music) & iTunes app with my DJ Music - so I split my music into 2 instances using Music & iTunes respectively.

Rekordbox was on 5.8.3 (I think, the one before 5.8.5) and I discovered that iTunes in the browser window was actually displaying the “Album” library stored in Music app - the preferences setting pointing at the iTunes XML file (for “DJ” music library) in the correct position - I even created a dummy iTunes library to change the XML location to see if it changed. It always showed the “Album” library - again, there’s no iTunes library for this.

I then transitioned my “DJ” library to Music & opened that in the Music app. Reopened Rekordbox & refreshed iTunes. Lo & behold, now my “DJ” library is showing and if I make changes in the Music app they are updated in Rekordbox when I refresh! I updated RB to 5.8.5 & it’s all still working (as it is with RB6 too)

I’m confused as I didn’t think RB can read the Music app data (unlike some other DJ apps) & still needs to refer to an XML file? Have I missed something? Does it now work correctly? Everywhere I look indicates that an XML file is still needed? I’m just a little concerned that I’m missing something & down the line I’m gonna hit an issue...