Laurent Muller has announced the release of Xupport 3.0, the latest version of the utility that provides a GUI (Graphical User Interface) to configure many hidden Mac OS X and Unix options, increase system security and performance, maintain and backup Mac OS X, and more. Some of the changes in this release include: Tiger compatibility; native authorization technology; much more hidden settings; improved virtual memory optimization (swap); extended file deletion functionality; multiple and resizable file browser windows; and more. Xupport is priced at US$19.90.