gnome-shell is wasting CPU repainting an unchanging panel. Every time an app window changes all visible actors including the panel get repainted. But the panel mostly doesn't change, so should be cached via offscreen-redirect instead.
gnome-shell is wasting CPU repainting an unchanging panel. Every time an app window changes all visible actors including the panel get repainted. But the panel mostly doesn't change, so should be cached via offscreen-redirect instead.