One of the thing developers seemed particularly stoked for following last year’s WWDC was Apple’s own analytics package for app developers. Analytics packages have existed for quite a while now from third party services, but Apple’s analytics likely will be better since they don’t open up their back end to third party providers.
Developers can apply for beta access right now by logging in here and requesting access. According to the rumor mill, access is already being granted to developers who were quick on the draw, so don’t waste time!