SwiftData: Optimization Starts with Modeling
SwiftData lists stutter on large datasets because the framework dropped Core Data's faulting — the fetch completes and loading completes with it. Why optimization starts at modeling.
SwiftData
24 posts
- SwiftData24
- SwiftUI137
- Core Data43
- Swift32
- Frameworks24
- Concurrency16
- Dev Diary16
- Guest Post16
- Dev Tools15
- Apple Event13
- AI11
- CloudKit11
- Web10
- Life8
- Tools1
- tvOS1
- watchOS1
20261 posts
20252 posts
Building Type‑Safe, High‑Performance SwiftData / Core Data Models
Learn to build Type-safe, efficient SwiftData/Core Data models using computed properties, bitmasks, and custom types like ValidatedName to enforce business logic and improve query performance.
Key Considerations Before Using SwiftData
Understand SwiftData limitations before adoption, including CloudKit sync requirements, GRDB and SQLite tradeoffs, model design constraints, and migration risks.
202416 posts
Model Inheritance in Core Data
Explore Core Data's model inheritance: Parent, Sub, and Abstract entities. Learn the pros, cons, and how to achieve similar effects without direct use.
Using Transactions Instead of Save in SwiftData and Core Data
Explore how to use transactions in SwiftData & Core Data for reliable data persistence. Improve app performance & ensure data integrity with proper transaction management.
Mastering Data Tracking and Notifications in Core Data and SwiftData
Explore data tracking in Core Data & SwiftData, from custom notifications to Persistent History Tracking, for robust data sync solutions. Learn key techniques.
Starting with Project Refactoring: Sharing Five Swift Modules
Explore five open-source Swift modules from a recent app refactor, including SimpleLogger, iCloudSyncStatusKit, ObservableDefaults, CoreDataEvolution, and ModelActorX.
Reinventing Core Data Development with SwiftData Principles
Explore how to apply SwiftData's modern data modeling and concurrent programming principles within Core Data. Enhance stability, reliability, and innovation.
NSManagedObjectID and PersistentIdentifier: Mastering Data Identifiers in Core Data and SwiftData
Explore NSManagedObjectID and PersistentIdentifier in Core Data and SwiftData. Learn their features, usage, and how to manage data object identity efficiently.
Considerations for Using Codable and Enums in SwiftData Models
Explore key considerations for using Codable and enums in SwiftData models. Learn how SwiftData handles Codable, query predicates, and potential pitfalls to avoid.
SwiftData in WWDC 2024: The Revolution Continues, Stability Still Awaits
Review of SwiftData's WWDC 2024 update: custom storage, Swift history, batch delete, new macros. Performance and stability concerns remain. Is it ready for projects?
Before WWDC 2024: The Future Potential and Real Challenges of SwiftData
Explore SwiftData's performance since Xcode 15 release & its future. We assess its role in Apple's ecosystem and highlight key issues, like predicate conversion and UI updates.
Core Data Reform: Achieving Elegant Concurrency Operations like SwiftData
Explore how to bring SwiftData's elegant concurrency to Core Data. Learn to implement a Core Data version of @ModelActor using custom executors for safer, efficient data handling.
New Frameworks, New Mindset: Unveiling the Observation and SwiftData Frameworks
Explore Observation & SwiftData frameworks from Let's VisionOS 2024. Learn how they solve existing issues, encouraging a new development mindset.
Practical SwiftData: Building SwiftUI Applications with Modern Approaches
Learn how to integrate SwiftData with modern programming concepts in SwiftUI apps. This tutorial covers modularity, testability, and thread safety for robust data management.
How to Dynamically Construct Complex Predicates for SwiftData
Explore dynamically creating predicates for SwiftData, similar to NSCompoundPredicate, using PredicateExpression for flexible data filtering.
Swift Predicate: Usage, Composition, and Considerations
Explore Swift Predicate's structure, usage, and key considerations for data filtering. Learn how it enhances development with type safety, platform compatibility, and flexible syntax.
How to Handle Optional Values in SwiftData Predicates
Explore techniques for handling optional values when building SwiftData predicates, including optional chaining, nil-coalescing, and flatMap. Learn best practices.
Relationships in SwiftData: Changes and Considerations
Explore SwiftData relationships with @Relationship, inverse relationships, one-to-many and many-to-many modeling, ordering, delete rules, and performance considerations.
20235 posts
How to Observe Data Changes in SwiftData using Persistent History Tracking
Explore how to observe specific data changes in SwiftData using Persistent History Tracking. Learn to manually respond to transactions for greater control, integration, and customization. Includes code examples and testing.
Concurrent Programming in SwiftData
Explore SwiftData's elegant concurrency mechanism, a successor to Core Data. Learn how it uses serial queues and Actors for safe, efficient multi-threading. Discover best practices for data access and modification.
Unveiling the Data Modeling Principles of SwiftData
Dive into SwiftData's code-first data models, exploring PersistentModel creation, Swift language features, and its relation to Core Data. Learn how it works!
SwiftDataKit: Unleashing Advanced Core Data Features in SwiftData
Explore how to use Core Data's advanced features in SwiftData with SwiftDataKit, bypassing the Core Data stack. Enhance SwiftData with grouped counts and subqueries.
WWDC 23, First Impressions of SwiftUI 5 and SwiftData
WWDC 2023 unveils SwiftUI 5.0 with revolutionary data flow, animation upgrades, and enhanced ScrollView. Also, explore SwiftData, Apple’s new Swift-based persistence framework.