Apple today unveiled a near final version of Mac OS X Leopard, the sixth major release of what it says is the world’s most advanced operating system. Scheduled to ship in October, Leopard introduces over 300 new features, including a new Desktop and Dock with Stacks, an intuitive new way to organize files; an updated Finder featuring Cover Flow and a new way to easily browse and share files between multiple Macs; Quick Look, a new way to rapidly preview most files without opening an application; Time Machine, a new way to easily and automatically back up and restore lost files or a complete Mac; Spaces, a powerful new feature to create groups of applications and instantly switch between them; and enhanced iChat and Mail applications, which easily allow users to communicate even more creatively. Mac OS X 10.5 Leopard is scheduled to ship in October for a suggested retail price of US$129 for a single user license.