I have no doubt that automatic reference counting (ARC) is the next big leap forward for Objective-C since the introduction of Objective-C 2.0. ARC allows you to put the burden of memory management on the (Apple LLVM 3.0) compiler, and never think about retain, release and autorelease ever again.

Since many user’s first experiences with ARC will be trying to convert an existing app, they will learn the hard way that converting existing code to ARC is not a fire & forget operation. And since this is the Internet, there’s also a lot of assumptions, false statements and other myths revolving around ARC going around.

So here’s just about everything you need to know about ARC, and some ARC-mythbusting too.

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