What’s new on SwiftData?

Asked on 09/09/2024

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SwiftData has introduced several new features and improvements. Here are the highlights:

  1. Schema Macro: A new schema macro helps avoid duplicate models, making it easier to manage your data models.

  2. Model Containers: There are new ways to set up and configure model containers, enhancing how you manage your app's data.

  3. Query Optimization: SwiftData now allows for more complex filters and includes a new macro to improve query performance.

  4. Custom Data Stores: You can now use custom data stores, allowing SwiftData to work with various storage backends like SQLite, remote web services, or JSON files.

  5. Data Store History: SwiftData provides access to the history of changes in a datastore, which is useful for tracking local changes that need to be synced to a remote service.

  6. Index and Unique Constraints: New syntax additions like index and unique help make queries more efficient and ensure data integrity by preventing duplicate entries.

For more detailed information, you can refer to the session What’s new in SwiftData.

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Platforms State of the Union

Platforms State of the Union

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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.

Create a custom data store with SwiftData

Create a custom data store with SwiftData

Combine the power of SwiftData’s expressive, declarative modeling API with your own persistence backend. Learn how to build a custom data store and explore how to progressively add persistence features in your app. To get the most out of this session, watch “Meet SwiftData” and “Model your schema with SwiftData” from WWDC23.