WWDC 2024: Platforms State of the Union

Watch Session #102 for more details.

Detailed image description of the sketchnote

Apple Intelligence

• for iOS, iPadOS, macOS
• on-device Foundation model with focus on specialization, size, performance
• Private Cloud Compu for larger models

Writing Tools:

• just works for text views
• new delegate functions

Genmoji:

• supportsAdaptiveImageGlyph = true
• Attributed String

Image Playground:

• images generated on-device

Siri:

• new Spotlight API
• personal context understanding
• enhanced App Intents
• enhanced conversations

RealityKit 4

• Reality Composer Pro for visionOS, macOS, i0S, iPadOS
• better debugging in Xcode

Xcode 16

• Code Completion with ML with comments for context
• use natural language with Swift Assist
• knows Apple's latest SDKs and Swift language features
• never stored on server
• only used for your requests
• not used to train models
• unified thread backtrace view

Swift 6

• 10 years
• Swift is the best choice to succeed C++
• invested in Visval Studio Code support
• expand Linux & Windows support
• new GitHub organization
• data race safety
• diagnose issues at compile time
• 5.5: async/await
• 5.6: structured concurrency
• 5.7: actors
• 6.0: data race safety (opt-in)
• Swift Testing:

@Test
func continent() {
   #require(...)
   #expect(...）
}

• flexible tagging system → rich inline presentation for failed tests

SwiftUI

Xcode Previews:

• new dynamic linking architecture
• @Previewable macro for states

Customization:

• custom hover effects
• new text renderer All for effects & animations

Swift Data:

• new modelling: #Index, #Unique

iOS 18

Controls:

• toggle, action or deep link
• new controls in Control Gallery or Lockscreen
• Locked Camera Capture framework

Homescreen:

• app icons and widgets can be tinted, light or dark
• Passkey: Registration API

iPadOS 18

• redesigned floating tabbar → turns into sidebar
• refined animations

watchOS 11

• Live Activities
• interactive widgets
• Accessory WidgetGroup layout
• Hand gesture shortcut for double tap

macOS

• support for Apple Intelligence
• more games with Game Porting Toolkit 2
• debug and profile source of HLSL shaders

visionOS 2

• SwiftUI, RealityKit & ARKit as foundation
• resize volumes
• TabletopKit
• Room Anchors

Integrating deeply with the platform means making your app available in more places. "The best apps use native SDKs."