wwdc-notes

What’s new in UIKit

🎥 Video: https://developer.apple.com/wwdc21/10059

• https://www.swiftjectivec.com/ios-15-notable-uikit-additions/

• iPadOS
  • Center Scene. UIWindowScene.ActivationAction (Mail message popover)
  • Menus, MenuBuilder

• Drag and drop on iPhone, see WWDC17

• New Toolbar + TabBar appearance

• New List/TableView headers for .plain
  • New .prominentInsetGrouped style
  • New .extraProminentInsetGrouped style

• New half-height sheets

• New DatePicker (so much better!)

• New UIButton APIs and styles, UIButton.configuration + context menus (iOS 14)
  • https://nemecek.be/blog/107/big-improvements-to-uibutton-in-ios-15

• New UIMenu submenus

• SF Symbols: new symbols, new coloring options

• Content size category limits: restrict dynamic type sizes

• New UIColor.tintColor – dynamic based on view hierarchy

• Cell configuration closures

• New diffable data source improvements

• Cell prefetching improvements

• Image display improvements: async loading, thumbnails

• @MainActor

• Privacy
  • location button
  • New pasteboard data detectors

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