I was hoping for some discussion of the new OS and phone's impact on development instead of a Droid/iPhone flame war since I've just started developing my first

I was hoping for some discussion of the new OS and phone's impact on development instead of a Droid/iPhone flame war since I've just started developing my first iOS app. What's the biggest impact to iOS developers? The only one I can think of is a new aspect ratio. Update: Discussion on Quora: http://www.quora.com/iOS-Development/From-a-developers-perspective-what-new-and-interesting-features-and-notable-changes-are-in-the-iOS-6-SDK http://www.quora.com/iOS-Development/From-a-developers-persp...