Not just Unity 2D but Unity as well has this. On my desktop at least it appears to be the wallpaper showing through and not any sort of "garbage".
Using gnome-tweak-tool to change themes, it appears this only affects Ambiance and Radiance
Not just Unity 2D but Unity as well has this. On my desktop at least it appears to be the wallpaper showing through and not any sort of "garbage".
Using gnome-tweak-tool to change themes, it appears this only affects Ambiance and Radiance