Apple has had a busy 2015: It has not only evolved its existing SDKs, but added new SDKs to support newer platforms. This includes, notably, the Apple Watch update. Apple has also introduced innovative SDKs that have enabled the addition of functionality to everything from Search APIs to 3D Touch.
Apple has revamped their Developer Program as part of their annual Word Wide Developers Conference earlier today, consolidating the Mac and iOS into one bundle.
This part of the 2014 mobile API year in review looks at Apple's highlights, many centered around iOS 8 and the release of HealthKit, Watchkit, HomeKit and much more.