WWDC23

General

• Swift Macro
• SwiftData
• WidgetKit → Interactivity. Also possible to trigger some code when the button is clicked. Can it be used as a "refresh" button?
• App Intents → Can be used as Shortcuts and Siri commands
• TipKit → Displays some Tooltips
• AirDrop improvements for in-app contents
• Game Porting Toolkit → automatic HLSL conversion
• AVCapture is faster and better → volume button availability. Hinting iPhone action button?
• Video Conferencing → ScreenCaptureKit

watchOS

• NavigationStack → NavigationSplitView. a renewed focus on pagination, using the digital crown
• containerBackground modifier using gradient fills, giving spatial cognition
• ToolbarItem → Using corners of Apple Watch
• using app intent will push a widget to the top of the new Smart Stack.
• Custom Workout API → Will show up on the Workouts app
• CoreMotion API → higher fidelity data

Accessibility

• Paused Animated Images → Stop motions in animated GIFs by user settings.
• Dim Flashing Lights for Photosensitive users (AVFoundation includes by default, but there are also APIs for everything)

Privacy

• Calendar Permissions: Calendar Add-only permission.
• Limit Access for Photos. New photo picker component
• Privacy Manifest that automatically aggregates third-party analytics SDKs privacy manifests
• Privacy Supply Chains. Signature for third-party SDKs.
• Sensitive Content Analysis Framework. On-device nudity detection & Sensitive Content Warning Blurring

App Store

• StoreKit → Now provides a general Interface for In-app purchases for merchandising experience.
  • ProductView, SubscriptionStoreView
  • Across all devices
  • a11y, and i18n built-in
  • Auto-detect user eligibility (no "Re-validate")
• SKAdNetwork. App Store's more in-depth analytics: Re-engagement detection.

Xcode

• Source Editor: Better code suggestion
• PreviewProvider is now Swift Macro, one-word #Preview.
• Git Staging now supported in-line, with a better source change view
• Testing: Test Report Result Overview page (Error Heat Map)
  • Test Live Replay (Timeline)
• Accessibility Frames (HTML-like component descriptions within app scene)
• Xcode Cloud. 2x faster workflows. Share Tester Notes. macOS notarization (check malicious components)
• Speed & Size improvements on Xcode Binaries

visionOS