Platforms State of the Union

Xcode Cloud

• Designed for developing for apple platforms
• New CI tools integrated into xcode
• Built on the cloud
• Flexible and extensible
• Private and secure
• Pull request functions built in
• Don’t have to worry about managing signing on your machine

Swift

• Concurrency
  • Getting away from completionHandlers
  • Adds Async and Await
  • Structured concurrency async let foo = ...
  • Compiler will help manage shared state, with actors
  • @MainActor to declare which actors need to be run on the main thread
• SwiftUI
  • Multicolumn table on mac
  • And more
• Swift playgrounds
  • Create apps on ipad, even submit them

AR and Graphics

• RealityKit2
  • Object Capture, Proggrametry
• Metal
  • With M1, there is a unified graphics platform
  • Interleave graphics and compute primitives in shaders
  • API to add an on-screen controller easily, mimics phisical controllers
  • Selective shader debugging

User engagement

• Focus
  • Ranks notifications based on “interruption levels”
    • passive, active, time sensitive, critical
    • Critical notifications are for safetly, will need a approved entitlement
  • Communication contact photos replace app icon
  • Notification summary
  • Basically a segmented Do not Disturb
  • API to access focus status, notification priority
• ScreenTime API
  • Hook into parental controls for custom flows
• Widgets for iPad
  • New extra large size for iPad
  • Wiget suggestions for smart stacks
• SharePlay
  • Media is not ‘re-streamed’ over facetime. shareplay only syncronizes the playback.
  • No loss in quality
  • End to end encrypted, managed group leading services
  • GroupActivities framework
  • Demo: Shared whiteboard. Neat