SwiftData Gets Practical Upgrades: Sectioned Queries and Custom Type Support

Apple's WWDC 2026 brings targeted improvements to SwiftData, addressing long-standing developer pain points. The addition of sectioned queries eliminates the need for manual list grouping, while Codable attributes enable storage of external types like MapKit's MKMapItem. These incremental but meaningful enhancements close gaps developers have been working around since SwiftData's introduction.