Xcode 6.0.1 正式版发布啦，此版本包括了 Mac OS X 10.9 Mavericks SDKs 和 iOS 8.0。主要更新内容如下：
• Interface Builder renders your custom controls live in the design canvas
• Preview editor displays your UI in alternate sizes, orientations, and languages
• View debugging displays a 3D model of all view layers in your running app
• SpriteKit level editor lets you design complete scenes for your games
• Localization workflow imports & exports .XLIFF, and generates base strings from code
• Performance tests run on OS X Server 3.2 alert you when a code change impacts speed
• Instruments has a beautiful new interface that is easier to configure
针对 iOS 的新特性：
• Swift programming language with full Xcode integration for building iOS apps
• Playgrounds for experimenting with your Swift code
• SceneKit is now supported in iOS as well OS X
• Extensions for iOS and can be added to your app bundle as a new target
• Frameworks for iOS enable shared code among apps and extensions
* 注意：OS X 平台的 Swift 支持将会在未来的 Xcode 更新实现。
软件详情：https://developer.apple.com/xcode/
下载地址：https://developer.apple.com/xcode/downloads/
来自:开源中国社区
