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The context provided includes information about various sessions from Apple's WWDC 2024. Here are some highlights:
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Embedded Swift: The session "Go small with Embedded Swift" discusses the use of generics over
anytypes to avoid runtime support or type metadata, which is crucial for embedded devices. Embedded Swift is a subset of full Swift, ensuring compatibility without runtime reflection or meta types. -
SwiftData: In "What’s new in SwiftData," the session covers advanced querying techniques using predicates and expressions to fetch data efficiently. It introduces the new schema macro index to improve query performance by creating indexes on model properties.
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Swift Testing: The session "Meet Swift Testing" introduces the
expectandrequiremacros for flexible and detailed test validations. It emphasizes the importance of error handling and how to use these macros to ensure code robustness. -
MapKit: "Unlock the power of places with MapKit" highlights new search features, including searching for specific place types and address components, and introduces pagination for server API searches.
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App Intents: "What’s new in App Intents" discusses integrating app entities with Spotlight for enhanced semantic search and prioritizing indexed entities to improve search relevance.
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HealthKit: The session "Explore wellbeing APIs in HealthKit" introduces new predicates for querying emotional and mood data, allowing apps to provide personalized insights based on users' state of mind.
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Core Spotlight: "Support semantic search with Core Spotlight" explains how to create searchable items with unique identifiers and attributes, enhancing the semantic index for better search results.
If you have specific questions about any of these sessions or need timestamps for particular topics, feel free to ask!
Meet Swift Testing
Introducing Swift Testing: a new package for testing your code using Swift. Explore the building blocks of its powerful new API, discover how it can be applied in common testing workflows, and learn how it relates to XCTest and open source Swift.
Go small with Embedded Swift
Embedded Swift brings the safety and expressivity of Swift to constrained environments. Explore how Embedded Swift runs on a variety of microcontrollers through a demonstration using an off-the-shelf Matter device. Learn how the Embedded Swift subset packs the benefits of Swift into a tiny footprint with no runtime, and discover plenty of resources to start your own Embedded Swift adventure.
What’s new in SwiftData
SwiftData makes it easy to add persistence to your app with its expressive, declarative API. Learn about refinements to SwiftData, including compound uniqueness constraints, faster queries with #Index, queries in Xcode previews, and rich predicate expressions. Join us to explore how you can use all of these features to express richer models and improve performance in your app. To discover how to build a custom data store or use the history API in SwiftData, watch “Create a custom data store with SwiftData” and “Track model changes with SwiftData history”.
Unlock the power of places with MapKit
Discover powerful new ways to integrate maps into your apps and websites with MapKit and MapKit JS. Learn how to save and reference unique places using Place ID. Check out improvements to search that make it more efficient to find relevant places. Get introduced to the new Place Card API that lets you display rich information about places so customers can explore destinations right in your app. And, we’ll show you quick ways to embed maps in your website with our simplified token provisioning and Web Embed API.
What’s new in App Intents
Learn about improvements and all-new features with App Intents, and discover how this framework can help you expose your app’s functionality to Siri, Spotlight, Shortcuts, and more. We’ll show you how to make your entities more meaningful to the platform with the Transferable API, File Representations, new IntentFile APIs, and Spotlight Indexing, opening up powerful functionality in Siri and the Shortcuts app. Empower your intents to take people deep into your app with URL Representable Entities. Explore new techniques to model your entities and intents with new APIs for error handling and union values.
Go further with Swift Testing
Learn how to write a sweet set of (test) suites using Swift Testing’s baked-in features. Discover how to take the building blocks further and use them to help expand tests to cover more scenarios, organize your tests across different suites, and optimize your tests to run in parallel.
Explore wellbeing APIs in HealthKit
Learn how to incorporate mental health and wellbeing into your app using HealthKit. There are new APIs for State of Mind, as well as for Depression Risk and Anxiety Risk. We’ll dive into principles of emotion science to cover how reflecting on feelings can be beneficial, and how State of Mind can be used to represent different types of mood and emotion.
Support semantic search with Core Spotlight
Learn how to provide semantic search results in your app using Core Spotlight. Understand how to make your app’s content available in the user’s private, on-device index so people can search for items using natural language. We’ll also share how to optimize your app’s performance by scheduling indexing activities. To get the most out of this session, we recommend first checking out Core Spotlight documentation on the Apple Developer website.