La dernière version d'Xcode est distribuée via le Mac App Store. L'environnement de développement d'Apple [4.2 – US – Gratuit – OS X 10.7 – 1,68 Go – iTunes S.a.r.l.] se met à jour pour iOS 5 et OS X 10.7.2, pour iCloud aussi. Autre changements :
- Storyboards let you design multiple iOS screens, and define the segues among them
- Automatic Reference Counting (ARC) saves you from manually managing retain/release
- iCloud entitlements are automatically enabled for Mac and iOS apps
- OpenGL ES Debugger graphically analyzes your OpenGL scene directly within the IDE
- Apple LLVM compiler supports C++11 features and the LLVM libc++ standard library
- Older iOS Simulators and device debugging symbols are downloaded on-demand

- Storyboards let you design multiple iOS screens, and define the segues among them
- Automatic Reference Counting (ARC) saves you from manually managing retain/release
- iCloud entitlements are automatically enabled for Mac and iOS apps
- OpenGL ES Debugger graphically analyzes your OpenGL scene directly within the IDE
- Apple LLVM compiler supports C++11 features and the LLVM libc++ standard library
- Older iOS Simulators and device debugging symbols are downloaded on-demand
