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This topic created in 4968 days ago, the information mentioned may be changed or developed.
http://itunes.apple.com/cn/app/xcode/id497799835?mt=12
• SDKs for OS X 10.8 Mountain Lion and iOS 6.
• Auto Layout now supported on both OS X and iOS.
• New localization workflow can share a single base .xib or .storyboard file for multiple locales.
• OpenGL debugger for iOS analyzes performance and suggests improvements.
• Debugger watchpoints can be set when running on a connected iOS device.
• Objective-C @synthesize command is generated by default when using properties.
• Objective-C adds literal syntax for numbers, arrays, dictionaries, and expressions.
• Xcode 4.5 runs on both OS X Lion and OS X Mountain Lion.
• Enhanced for the MacBook Pro with Retina display.
• Additional bug fixes and stability improvements.
• SDKs for OS X 10.8 Mountain Lion and iOS 6.
• Auto Layout now supported on both OS X and iOS.
• New localization workflow can share a single base .xib or .storyboard file for multiple locales.
• OpenGL debugger for iOS analyzes performance and suggests improvements.
• Debugger watchpoints can be set when running on a connected iOS device.
• Objective-C @synthesize command is generated by default when using properties.
• Objective-C adds literal syntax for numbers, arrays, dictionaries, and expressions.
• Xcode 4.5 runs on both OS X Lion and OS X Mountain Lion.
• Enhanced for the MacBook Pro with Retina display.
• Additional bug fixes and stability improvements.
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1
fmfsaisai Sep 20, 2012
more about objective-c literals:
http://clang.llvm.org/docs/ObjectiveCLiterals.html |
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2
PrideChung Sep 20, 2012
memory leak的问题有好点么。
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4
acen Sep 20, 2012
用了gm版以后经常出现无法与连接的设备通信，内存也经常泄漏。不知道正式版改了么
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6
fmfsaisai Sep 21, 2012
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fmfsaisai Sep 21, 2012
@willmouse
what does literal syntax do: http://adcdownload.apple.com//wwdc_2012/wwdc_2012_session_pdfs/session_405__modern_objectivec.pdf 严格说这其实不是一个Objective-C的特性，而是一个编译器的特性，最终还是会转化成之前的Objective-C的语法的。 |
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8
fmfsaisai Sep 21, 2012  1
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