Setting the scene: Imagine you are moving a playlist or deleting a track from a playlist. A second later you realize your mistake and want to revert that action.
What’s the shortcut you’d reach for first? For me it would be Cmd + Z, the universal shortcut for “Undo that last change”.
Small Apple Music.app pop-quiz: What happens if you decide to use that shortcut?
Answer: The playlist folder name is deleted and renamed to “untitled folder”, if you hit Cmd + Z a few more times it creates additional playlist folders called “untitled folder”. Obviously.