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Asked on 12/05/2024

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Answer

The context provided includes information about various sessions from Apple's WWDC 2024. Here are some highlights:

  1. Embedded Swift: The session "Go small with Embedded Swift" discusses the use of generics over any types 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.

  2. 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.

  3. Swift Testing: The session "Meet Swift Testing" introduces the expect and require macros for flexible and detailed test validations. It emphasizes the importance of error handling and how to use these macros to ensure code robustness.

  4. 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.

  5. 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.

  6. 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.

  7. 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!

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Meet Swift Testing

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

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

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”.