wwdc-notes

UIKit

New document launch experience (document-based apps)
- Evolve your document launch experience
New TabBar design on iPad (it sucks)
- Elevate your tab and sidebar experience in iPadOS
Fluid transtions
- New “Zoom” transition
- Navigation and Presentations
- Interactive and interruptible
UIKit and Swift interop
- Enhance your UI animations and transitions
- Use SwiftUI animations from UIKit
- Gesture recognizers: systems have been unified
- Add UIKit gesture recognizers to SwiftUI, UIGestureRecognizerRepresentable

General Enhancements

Automatic trait tracking. Maximum performance with minimal dependencies.
List improvements
- UITraitCollection.listEnvironment
- UIListContentConfiguration
Update link: UIUpdateLink (similar to CADisplayLink but better)
- view tracking
- low latency
- better performance
Symbol animations
- New effects:
  - .wiggle
  - .breathe
  - .rotate
- repeat .periodic(_:, delay:) and .continuous
- .replace.magic() effect improved
- What’s new in SF Symbols 6
Sensory feedback
- UICanvasFeedbackGenerator
Text improvements
- New text formatting panel
- textView.allowsEditingTextAttributes
- NSAttributedString: .TextHighlightStyle, .TextHighlightColorScheme
- UITextFormattingViewController
- Writing Tools support
  - UITextView, built-in support
Menu Actions
- UICommand, UIKeyCommand, UIAction
- iPhone Mirroring –> Mac Keyboard
- Take your iPad apps to the next level
PencilKit
- Squeeze gesture
- Haptics
- Barrel roll angle
- Undo slider
- Configure PKToolPicker
- Add your custom tools

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