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Platforms State of the Union

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Apple Intelligence

  • On device work begins with the Foundation Model
  • Lots of fine tuning for phone style tasks
  • Private cloud compute, on a new OS, based on iOS
  • Genmoji are written with AttributedString.
  • Siri can automatically invoke actions from an apps Menu
  • You can improve training with CreateML
  • You can run any model within your app as well

Xcode 16

  • New generative coding models
  • Predictive code completion
    • Specifically trained for swift and apple SDKs
    • Runs locally and offline
    • Uses comments as context as well
    • Parameters filled out on selection
  • Swift Assist
    • Cloud assistant tool
    • Uses details from existing project
    • Privacy: your code is not used to train models
  • Single view stack trace, with multi files displayed together

Swift

  • Investing in LSP for vscode
  • Expanding Linux and window support
  • New GitHub org, ‘swiftlang’
  • Swift 6
    • Data race safety
    • This mode is opt-in
  • New testing framework: Swift Testing
    • Expressive, easy, cross platform.
    • Open source package
    • @Test(title) #expect(whatever)
    • Tags
    • Parameterized tests
    • Full support in Xcode 16

SwiftUI

  • Previews
    • Uses the same build for running and previewing
    • @Previewable macro to set state inside a preview
  • Customizations
    • New text rendering api
  • Interoperability
    • Shared gesture code
    • Shared animation code

SwiftData

  • Index
  • Unique
  • Custom data stores
  • Data store history

RealityKit 4

  • Builds stuff for all platforms the same, not just the new stuff for visionOS
  • Low level access to textures and shaders

iOS and iPadOS

  • Controls
    • Can toggle a setting, do an action, or deeplink
    • Uses app intents
  • App icons
    • Light, dark, or tint
    • Tinted icons created automatically
    • Developers should adapt to the new modes in asset catalog
  • Passkeys
    • New registration api
    • Automatically saves passkeys when logging in (dev opt in)
  • Redesigned tab bar
    • Miniature sidebar
    • Customization
  • Navigation control transition animations

WatchOS

  • Live activities ported from iOS
  • Widgets, interactive
    • Relevant contexts

macOS

  • User-space file system support? (This was only mentioned, no context)
  • Gaming, GPT2, new instructions and tools, new shader conversion modes, etc