The effect is done when a window is placed behind the working one or when it ask for it by using gtk_window_set_urgency_hint by example. When you get the effect that's probably because you open some other window on the same workspace. Reassigning to sound-juicer
** Changed in: gnome-panel (Ubuntu) Sourcepackagename: gnome-panel => sound-juicer Importance: Low => Wishlist Status: Needs Info => Confirmed -- Alert notification not shown in window list for apps in other desktops https://launchpad.net/bugs/58368 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs