Not exactly a bug, but you can't actually scroll through the song select search results with the keyboard.
[Edit]
Following up, using the keyboard scroll prevents me from previewing songs by hovering my mouse over them, and my mouse now doesn't scroll past the songs around the highlighted song.
[Edit]
Following up, using the keyboard scroll prevents me from previewing songs by hovering my mouse over them, and my mouse now doesn't scroll past the songs around the highlighted song.