App Frameworks • watchOS • 33:54
watchOS 4 adds a new runtime architecture to make your apps run even faster on Apple Watch. Alongside performance gains, watchOS 4 brings numerous enhancements to make robust WatchKit UI layouts, new background modes for navigation and audio apps, Core Bluetooth connectivity to allow devices a direct connection to your wrist, and much more. See what's new and how you'll be able to make your Watch apps even better on watchOS 4.
Speaker: Ian Parks
Unlisted on Apple Developer site