When has happen to the release method? I always release a memory allocation when I am done with it and now it seems that the method has been deprecated. Or maybe it does not
If you have enabled the 'ARC', then you don't need to release an object. That will be handled by the compiler. retain, release and autorelease are all handled by the compiler.
Edit:
You could know more about that from here
Also there already a SO thread exists. Please go thru that.