Apple CEO Steve Jobs gave Mac developers and the public its first look at Mac OS X v10.5, code-named “Leopard,” Monday at the Worldwide Developers Conference (WWDC) in San Francisco, Apple’s annual gathering of registered developers.
The sixth major version of Mac OS X since its inception, Leopard will ship in Spring, 2007, according to Jobs.
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Leopard's new features, a brief tour - O'Reilly Mac DevCenter.
See also the announcement from
MacWorld.