SwiftData Persist, query, and manage structured data in iOS 26+ apps using SwiftData with Swift 6.3. Contents - Model Definition - ModelContainer Setup - CloudKit Sync - CRUD Operations - - #Predicate - FetchDescriptor - Schema Versioning and Migration - Core Data Coexistence Boundary - Concurrency ( ) - SwiftUI Integration - Common Mistakes - Review Checklist - References Model Definition Apply to a class (not struct). It synthesizes conformance. Model instances remain context/actor-bound; pass their , not the instance, across actors. options : , , , , , , . Rename: . : / (default)/ / . Spec…