Registration is now open for Apple’s 2005 Worldwide Developers Conference (WWDC), which will take place June 6-10 at the Moscone Center in San Francisco, CA. Early registration for the annual Mac developer event is US$1,295 ($1,595 after April 22). The main focus of this year’s conference is Mac OS X 10.4 Tiger. “Dig deep into the innovative technologies that power Mac OS X v10.4 Tiger, the next major release of Mac OS X. At WWDC 2005, you’ll work directly with Apple engineers to explore and exploit Tiger development opportunities such as Spotlight, Dashboard, Core Data, Core Image, Core Video, and more.”