<h1 id="ref-391">REF-391</h1>
<ul>
<li>Title: Transitioning to ARC Release Notes</li>
<li>Author: ['iOS Developer Library']</li>
<li>Time: 20130808</li>
<li>URL: https://developer.apple.com/library/ios/releasenotes/ObjectiveC/RN-TransitioningToARC/Introduction/Introduction.html</li>
</ul>