where there any object diffing changes in the 2024?

Generated on 8/8/2024

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Yes, there were changes related to object diffing in 2024. Specifically, the session titled "Track model changes with SwiftData history" introduced new features for tracking changes in your data store over time. This includes the ability to query and process changes in the order they occurred each time your model is saved. SwiftData history records transactions that contain metadata about all changes, making it easier to track which models were inserted, updated, or deleted since a previous query.

For more details, you can refer to the session Track model changes with SwiftData history (00:01:09).

Relevant Sessions

  1. Track model changes with SwiftData history
  2. Platforms State of the Union (41:42)
Build a spatial drawing app with RealityKit

Build a spatial drawing app with RealityKit

Harness the power of RealityKit through the process of building a spatial drawing app. As you create an eye-catching spatial experience that integrates RealityKit with ARKit and SwiftUI, you’ll explore how resources work in RealityKit and how to use features like low-level mesh and texture APIs to achieve fast updates of the users’ brush strokes.

Explore object tracking for visionOS

Explore object tracking for visionOS

Find out how you can use object tracking to turn real-world objects into virtual anchors in your visionOS app. Learn how you can build spatial experiences with object tracking from start to finish. Find out how to create a reference object using machine learning in Create ML and attach content relative to your target object in Reality Composer Pro, RealityKit or ARKit APIs.

Discover RealityKit APIs for iOS, macOS and visionOS

Discover RealityKit APIs for iOS, macOS and visionOS

Learn how new cross-platform APIs in RealityKit can help you build immersive apps for iOS, macOS, and visionOS. Check out the new hover effects, lights and shadows, and portal crossing features, and view them in action through real examples.

Track model changes with SwiftData history

Track model changes with SwiftData history

Reveal the history of your model’s changes with SwiftData! Use the history API to understand when data store changes occurred, and learn how to use this information to build features like remote server sync and out-of-process change handing in your app. We’ll also cover how you can build support for the history API into a custom data store.

Platforms State of the Union

Platforms State of the Union

Discover the newest advancements on Apple platforms.

Bring context to today’s weather

Bring context to today’s weather

Harness the power of WeatherKit to get detailed weather forecast data such as precipitation amounts by type, cloud cover by altitude, or maximum wind speed. Find out how you can summarize weather by different parts of the day and highlight significant upcoming changes to temperature or precipitation. Understand how you can compare current weather to the past through our Historical Comparisons dataset and dive into historical weather statistics for any location in the world. We’ll also explore how you can do all of this faster with our Swift and REST APIs.