Found that Spotify.app on MacOS does some cataloging of your home directories.

I stumbled on something interesting. While doing a rather complicated combination of upgrading to a larger boot SSD, loading Opencore and updating to Sonoma I found interesting files created by the Spotify.app. I was looking for a way to make Spotify run OpenGL instead of Metal and was in ~/Library/Application Support/Spotify.app/Users/<spotify username>/ and I saw a file named “local-files.bnk”. It’s a binary format db file. I ran strings on it and it contains a list, with full path, to every audio or video file on my system. Every mp3, m4a, mov, mp4, etc. I never use Spotify for anything but streaming music or podcasts from their content base. I never use it as a player for anything local files. The files cataloged in this db file include technical and engineering test videos I created at work and use to communicate complex technical issues to codevelopers at other sites. Is it just me, or is this really invasive for a music streaming app?