Any new swift data features announced ?
Asked on 08/08/2024
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Yes, several new features for SwiftData were announced at WWDC 2024. Here are some of the key updates:
- Schema Macro: A new schema macro helps avoid duplicate models.
- Model Containers: New ways to set up and configure model containers.
- Query Optimization: Complex filters and a new macro to improve performance.
- Custom Data Stores: SwiftData now supports custom data stores, allowing you to use alternative backends like SQLite, remote web services, or JSON files.
- History API: Access to the history of changes in a datastore, useful for tracking local changes that need to be synced to a remote web service.
- Index and Unique Constraints: The addition of
index
andunique
constraints to make queries more efficient and ensure no duplicate entries. - Previewable Macro: A new macro that makes it easier to work with queries while iterating on views.
For a detailed overview, you can check out the session What’s new in SwiftData (00:07).
Relevant Sessions
Feel free to ask if you need more specific details or timestamps!

Platforms State of the Union 5-Minute Recap
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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”.

Platforms State of the Union
Discover the newest advancements on Apple platforms.