The only languages currently used in applications that are part of an official GNOME desktop release are C, C# and Python.Look and feel GNOME is designed around the traditional computing desktop metaphor.
For instance, the preferences section of the Panel were reduced from a dialog of six tabs to one with two tabs.
OS X 10.5.2 introduced a bug that affects several applications that use floating windows (tool palettes, inspectors, etc.,) and pop-out sheet dialogs, including