Meet ClassKit for file-based apps

Iterating over a sequence of values over time is now as easy as writing a “for” loop. Find out how the new AsyncSequence protocol enables a natural, simple syntax for iterating over anything from notifications to bytes being streamed from a server. We’ll also show you how to adapt existing code to provide asynchronous sequences of your own.

Meet TextKit 2: Apple’s next-generation text engine, redesigned for improved correctness, safety, and performance. Discover how TextKit 2 can help you provide a better text experience for international audiences, create more diverse layouts by mixing text content with visual content, and ensure smooth scrolling performance. We’ll introduce the latest APIs, dive into some practical examples, and provide guidance for modernizing your apps.

Meet CLLocationButton: a secure interface element that provides an easy, low-friction way to grant your app location access only when and where it is needed. Learn how you can add CLLocationButton to new or existing code, how to customize it within interface legibility guidelines, how to recognize and address customization failures, and how it interacts with iOS’s traditional prompt-based Location Services authorization.

Safari Web Extensions use HTML, CSS, and JavaScript to offer people powerful browser customizations — and you can now create them for every device that supports Safari. Learn how to build a Safari Web Extension that works for all devices, and discover how you can convert an existing extension to Safari through Xcode and the Safari Web Extension Converter.