That's not a gnome-themes problem, the applet is a button and the GTK theme does draw round angles for them, reassigning to ubuntulooks. Might be a gnome-panel "bug" (should not use a normal button widget) though
** Changed in: gnome-themes (Ubuntu) Sourcepackagename: gnome-themes => ubuntulooks Importance: Low => Wishlist -- Show Desktop button (and some others) shouldn't have rounded borders https://launchpad.net/bugs/16045 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs