The long-awaited iOS 6 SDK (Software Development Kit) is finally out, and we need to learn about all the great features that this release offers us. Apple did a great job adding new features to the SDK and, of course, to iOS itself. iOS 6 is much more stable than the previous versions of iOS, as you would expect. Things move very fa st in Apple’s world, and the iOS SDK is no exception. Obviously, picking up this book is an indication that you are ready to start learning all there is to know about iOS 6 SDK, and that is fantastic. st in Apple’s world, and the iOS SDK is no exception. Obviously, picking up this book is an indication that you are ready to start learning all there is to know about iOS 6 SDK, and that is fantastic.