No, I know stacks and they're not them. In my case, new icons (e.g. downloads, files that I save, etc.) appear on top of each other, as if the desktop lost trac

No, I know stacks and they're not them. In my case, new icons (e.g. downloads, files that I save, etc.) appear on top of each other, as if the desktop lost track of their position. It's clearly a bug that hasn't been fixed in a long time.