I also see this on Jaunty with backported Karmic kernel and X packages, as well as on Karmic. It seems to be X server related because the color squares show up when GTG is run under Xnest or Xephyr. Intel i965 graphics if it matters.
In GTG/taskbrowser/CellRendererTags.py, I can confirm that on_render() and __roundedrec() are called dozens of times, but somehow the pixels never make it to screen.
I also see this on Jaunty with backported Karmic kernel and X packages, as well as on Karmic. It seems to be X server related because the color squares show up when GTG is run under Xnest or Xephyr. Intel i965 graphics if it matters.
In GTG/taskbrowser /CellRendererTa gs.py, I can confirm that on_render() and __roundedrec() are called dozens of times, but somehow the pixels never make it to screen.