Platforms State of the Union

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