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I tried googling but i was unable to locate the Apples Documentation where they say that ARC - automatic reference counting supports for iOS 4.3. Can someone tell me if this is true ? if so can you post me a link to apples documentation where it says so.

sharon
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    Possible duplicate of http://stackoverflow.com/questions/7815128/compatibility-of-arc-and-storyboard – Emil Jan 07 '12 at 18:05
  • possible duplicate of [Xcode 4.2 with ARC: will my code run even on iOS devices with firmware older than 5.0?](http://stackoverflow.com/questions/7768861/xcode-4-2-with-arc-will-my-code-run-even-on-ios-devices-with-firmware-older-tha) – Brad Larson Jan 10 '12 at 20:18

2 Answers2

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Transitioning to ARC:

ARC is supported in Xcode 4.2 for Mac OS X v10.6 and v10.7 (64-bit applications) and for iOS 4 and iOS 5. Weak references are not supported in Mac OS X v10.6 and iOS 4.

jscs
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Though ARC is in the new features list of iOS 5, apparently it is enabled by the compiler and that capability became 'switched on' for iOS 4 at the same time the updated compiler for iOS 5 was released.

I was provided this general clarification from Apple DTS. Cheers,

Bobjt
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