Looking to your video it doesn't seem to be a bug, you don't have a bookmark section so there is no place to dnd to and you try to bookmark your user dir which is already listed and selected in the sidepane...
Looking to your video it doesn't seem to be a bug, you don't have a bookmark section so there is no place to dnd to and you try to bookmark your user dir which is already listed and selected in the sidepane...