V + or x what do these symbols mean in front of song?

[beterbart]

I was wondering what the difference is between a V a + or an X in front of a song with the new spotify software on the mac.

[Peter__]

They are part of the new your music collection system:
https://support.spotify.com/learn-more/faq/#/article/how-do-i-add-albums-songs-and-artists-to-your-m...