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Alexander Käßner (13 notes)

Product & interface designer. I craft and design apps, websites, icons and more.

Contributions

Contributed 13 session notes in total. Most active year: WWDC25.

WWDC26

WWDC26 · 240Build intelligent Siri experiences with App Schemas27 min

Bring your app’s content and actions to Siri with App Intents. Model your data using App Entities, adopt App Schemas to enable powerful system actions, and support natural language interactions powered by Apple Intelligence. Explore how to enable semantic search, perform actions across apps, and create contextual experiences using onscreen awareness and content transfer. Find out best practices and testing tools to build fast, reliable Siri experiences.

WWDC26 · 269What’s new in SwiftUI28 min

Explore the latest additions to SwiftUI and discover how they can improve your apps. We’ll introduce a new Document protocol with direct disk access and snapshot-based diffing for building high-performance apps; new APIs for reordering content in lists, grids, and sections; and toolbar enhancements including visibility priority and auto-minimizing behavior. We’ll also cover expanded presentation APIs — including swipe actions on any view — plus AsyncImage caching improvements and lazy state initialization for Observable types.

WWDC26 · 274What’s new in SwiftData12 min

Discover the latest enhancements to SwiftData. We’ll show you how to persist custom and third-party types using Codable, and group fetched data into sections in your SwiftUI app. We’ll also explore how to observe data store changes anywhere else using ModelResultsObserver and HistoryObserver, giving you the flexibility to drive powerful state objects, integrate with delegate-based architectures, and react precisely to model updates.

WWDC26 · 277WidgetKit foundations20 min

Widgets highlight your app’s most important content across the system, providing people with another opportunity to engage. Discover the different types of widgets and explore the qualities that make them memorable. Learn how to create widgets, keep them up to date, and offer ways for people to customize them through App Intents and dynamic styling.

WWDC26 · 343Explore advanced App Intents features for Siri and Apple Intelligence24 min

Polish how your app works with Siri using advanced App Intents APIs. Learn techniques that let people accomplish more with just their voice, help Apple Intelligence find your content, and provide context for on-screen awareness so Siri understands what’s happening in your app.

WWDC25

WWDC25 · 208Elevate the design of your iPad app15 min

Make your app look and feel great on iPadOS. Learn best practices for designing a responsive layout for resizable app windows. Get familiar with window controls and explore the best ways to accommodate them. Discover the building blocks of a great menu bar. And meet the new pointer and its updated effects.

WWDC25 · 244Get to know App Intents24 min

Learn about the App Intents framework and its increasingly critical role within Apple’s developer platforms. We’ll take you through a ground-up introduction of the core concepts: intents, entities, queries, and much more. You’ll learn how these pieces fit together and let you integrate your app through Apple’s devices, from software features like Spotlight and Shortcuts to hardware features like the Action button. We’ll also walk through how App Intents is your app’s gateway to integrating with Apple Intelligence going forward.

WWDC25 · 313Bring Swift Charts to the third dimension11 min

Learn how to bring your 2D Swift Charts to the third dimension with Chart3D and visualize your data sets from completely new perspectives. Plot your data in 3D, visualize mathematical surfaces, and customize everything from the camera to the materials to make your 3D charts more intuitive and delightful.

WWDC25 · 323Build a SwiftUI app with the new design22 min

Explore the ways Liquid Glass transforms the look and feel of your app. Discover how this stunning new material enhances toolbars, controls, and app structures across platforms, providing delightful interactions and seamlessly integrating your app with the system. Learn how to adopt new APIs that can help you make the most of Liquid Glass.

WWDC25 · 337What’s new in SF Symbols 722 min

Explore the latest updates to SF Symbols, Apple’s library of iconography. Meet Draw, a new animation system that allows symbols to imitate the organic flow of a handwritten stroke, and Variable Draw, which can be used to convey strength or progress. Discover Gradients, which add dimension and visual interest to symbols, and Magic Replace enhancements, which offer greater continuity between related symbols. And learn how to preview and integrate these features into your own apps.

WWDC25 · 356Get to know the new design system18 min

Dive deeper into the new design system to explore key changes to visual design, information architecture, and core system components. Learn how the system reshapes the relationship between interface and content, enabling you to create designs that are dynamic, harmonious, and consistent across devices, screen sizes, and input modes.

WWDC24