swiftdata
Define, persist, and query structured data in iOS 26+ apps with SwiftData and Swift 6.2.
- Model definition with
@Modelclasses,@Attribute,@Relationship,@Transient,@Unique, and@Indexdecorators; supported types include primitives,Date,Data,URL,UUID,Codableenums/structs, and relationships - CRUD operations via
ModelContextwith@Queryfor reactive SwiftUI views,#Predicatefor type-safe filtering, andFetchDescriptorfor advanced queries with sorting, limits, and prefetching - Schema versioning and migration using
VersionedSchemaandSchemaMigrationPlanfor lightweight or custom data transformations - Concurrency support via
@ModelActorfor background work; passPersistentIdentifieracross actor boundaries, never model objects directly - CloudKit sync configuration through
ModelConfigurationand coexistence or migration paths from Core Data
SwiftData
Persist, query, and manage structured data in iOS 26+ apps using SwiftData with Swift 6.3.
Contents
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