Tag Archives: most-advanced

Mac OS X Lion Developer Preview 4 Now Available

The eighth major release of the world’s most advanced operating system challenges the accepted way of doing things by introducing new features that change the way you use a computer. This developer preview features over 3,000 new APIs covering a range of new technologies and capabilities that you can incorporate into your apps. Start developing your apps today so they are ready when Lion ships this summer. To obtain your copy of this new release, get a redemption code from the Mac Dev Center . Then proceed to the Mac App Store to redeem your code and download the fourth developer preview of Mac OS X Lion. To build apps with this version of Lion you must use Xcode 4.1 Developer Preview 6 available from the Mac Dev Center.

Download iOS 5 and iOS 5 SDK Beta Today

iOS 5, the latest version of the world’s most advanced operating system, includes over 200 new user features, and an updated SDK with over 1,500 new APIs and powerful new development tools. Take advantage of an array of new features that will delight your users, including iCloud Storage, Notification Center, Newsstand, iMessage, Twitter integration, Game Center, and more. iOS 5 and iOS 5 SDK beta are now available to iOS Developer Program members from the iOS Dev Center . Download these new releases and start designing your apps for iOS 5 today.

Review the iOS 4 Readiness Checklist

The next generation of the world’s most advanced mobile operating system is in the hands of iPhone users around the world, and is now available to iPod touch users for free. Make sure that your applications are compatible with iOS 4. All new applications and updates to existing applications must be built with iPhone SDK 4. In addition, the App Store will no longer support applications that target iOS 2.x. Review the iOS 4 Readiness Checklist for a wealth of technical resources to help you make the most of the new technologies in iOS 4 and information on submitting your iOS 4 apps to the App Store.