It looks like we're caching an incomplete rendering (missing the corner textures), but only sometimes. From what I recall this code is entirely in gnome-shell (I think I touched it last) but I don't know why only ubuntu-dock would have the bug.
It looks like we're caching an incomplete rendering (missing the corner textures), but only sometimes. From what I recall this code is entirely in gnome-shell (I think I touched it last) but I don't know why only ubuntu-dock would have the bug.