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

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

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)

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

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.

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