.toolbar {
    ToolbarItem(placement: .bottomBar) { Button("Archive", systemImage: "archivebox") { } }
    ToolbarSpacer(.flexible, placement: .bottomBar)  // Push items apart
    ToolbarItem(placement: .bottomBar) { Button("Compose", systemImage: "square.and.pencil") { } }
}
// .fixed separates groups visually; .flexible pushes apart (like Spacer in HStack)

// MailboxList
.toolbar(id: "main") {
    ToolbarItem(id: "filter", placement: .bottomBar) { Button("Filter") { } }
    ToolbarSpacer(.flexible, placement: .bottomBar)
    ToolbarItem(id: "compose", placement: .bottomBar) { Button("New Message") { } }
}
// MessageList — "filter" absent (animates out), "compose" stays stable
.toolbar(id: "main") {
    ToolbarSpacer(.flexible, placement: .bottomBar)
    ToolbarItem(id: "compose", placement: .bottomBar) { Button("New Message") { } }
}

DefaultToolbarItem(kind: .search, placement: .bottomBar)
// Replaces system's default placement of matching kind

NavigationSplitView {
    List { }.searchable(text: $searchText)
}
// Bottom-aligned on iPhone, top trailing on iPad (automatic)
// Use placement: .sidebar to restore sidebar-embedded search on iPad

Button("To Top", systemImage: "chevron.up") { scrollToTop() }
    .padding()
    .glassEffect()  // Add .interactive for custom controls on iOS

// Static ticks with labels
Slider(value: $value, in: 0...10) {
    Text("Rating")
} ticks: {
    SliderTick(0) { Text("Min") }
    SliderTick(5) { Text("Mid") }
    SliderTick(10) { Text("Max") }
}

// Dynamic ticks from collection
SliderTickContentForEach(stops, id: \.self) { value in
    SliderTick(value) { Text("\(Int(value))°").font(.caption2) }
}

// Step-based ticks (called for each step value)
Slider(value: $volume, in: 0...10, step: 2, label: { Text("Volume") }, tick: { value in
    SliderTick(value) { Text("\(Int(value))") }
})

Slider(
    value: $rating, in: 0...100,
    neutralValue: 50,           // Starting point / center value
    enabledBounds: 20...80,     // Restrict selectable range
    label: { Text("Rating") },
    currentValueLabel: { Text("\(Int(rating))") },
    minimumValueLabel: { Text("0") },
    maximumValueLabel: { Text("100") },
    ticks: { SliderTick(50) { Text("Mid") } },
    onEditingChanged: { editing in print(editing ? "Started" : "Ended") }
)

List { ForEach(1...20, id: \.self) { Text("\($0). Item") } }
    .safeAreaBar(edge: .bottom) {
        Text("Bottom Action Bar").padding(.vertical, 15)
    }
    .scrollEdgeEffectStyle(.soft, for: .bottom) // or .hard

@Environment(\.openURL) var openURL
// openURL(url, prefersInApp: true) — Opens in SFSafariViewController-style in-app browser
// Default Link opens in Safari; prefersInApp keeps users in your app

.searchable(text: $searchText)
.searchToolbarBehavior(.minimize)  // Compact button, expands on tap

extension View {
    @ViewBuilder func minimizedSearch() -> some View {
        if #available(iOS 26.0, *) {
            self.searchToolbarBehavior(.minimize)
        } else { self }
    }
}

// Usage
.searchable(text: $searchText)
.minimizedSearch()

.toolbar {
    if #available(iOS 26.0, *) {
        DefaultToolbarItem(kind: .search, placement: .bottomBar)
        ToolbarSpacer(.flexible, placement: .bottomBar)
    }
    ToolbarItem(placement: .bottomBar) {
        NewNoteButton()
    }
}
.searchable(text: $searchText)

.commands {
    TextEditingCommands() // Same API as macOS menu bar

    CommandGroup(after: .newItem) {
        Button("Add Note") {
            addNote()
        }
        .keyboardShortcut("n", modifiers: [.command, .shift])
    }
}
// Creates menu bar on iPad when people swipe down

// MIGRATION REQUIRED:
// Remove deprecated property list key in iPadOS 26:
// UIRequiresFullscreen (entire key deprecated, all values)

// For split view navigation, system automatically shows/hides columns
// based on available space during resize
NavigationSplitView {
    Sidebar()
} detail: {
    Detail()
}
// Adapts to resizing automatically

.windowResizeAnchor(.topLeading) // Tailor where animation originates

// SwiftUI now synchronizes animation between content view size changes
// and window resizing - great for preserving continuity when switching tabs

List(trips) { trip in // 100k+ items
    TripRow(trip: trip)
}
// Loads 6x faster, updates 16x faster on macOS (iOS 26+)

ScrollView(.horizontal) {
    LazyHStack {
        ForEach(photoSets) { photoSet in
            ScrollView(.vertical) {
                LazyVStack {
                    ForEach(photoSet.photos) { photo in
                        PhotoView(photo: photo)
                    }
                }
            }
        }
    }
}
// Nested scrollviews now properly delay loading with lazy stacks
// Great for building photo carousels

@Observable
class TripStore {
    var trips: [Trip] = []

    func loadTrips() async {
        trips = await TripService.fetchTrips()
        // Swift 6 verifies data race safety at compile time
    }
}

struct HikingRouteShape: Shape {
    var startPoint: CGPoint
    var endPoint: CGPoint
    var elevation: Double
    var drawingDirection: Bool // Don't want to animate this

    // Tedious manual animatableData declaration
    var animatableData: AnimatablePair<CGPoint.AnimatableData,
                        AnimatablePair<Double, CGPoint.AnimatableData>> {
        get {
            AnimatablePair(startPoint.animatableData,
                          AnimatablePair(elevation, endPoint.animatableData))
        }
        set {
            startPoint.animatableData = newValue.first
            elevation = newValue.second.first
            endPoint.animatableData = newValue.second.second
        }
    }
}

@Animatable
struct HikingRouteShape: Shape {
    var startPoint: CGPoint
    var endPoint: CGPoint
    var elevation: Double

    @AnimatableIgnored
    var drawingDirection: Bool // Excluded from animation

    // animatableData automatically synthesized!
}

struct SunPositionView: View {
    @State private var timeOfDay: Double = 12.0

    var body: some View {
        HikingRouteView()
            .overlay(alignment: sunAlignment) {
                SunView()
                    .spatialOverlay(alignment: sunAlignment)
            }
    }

    var sunAlignment: Alignment3D {
        // Align sun in 3D space based on time of day
        Alignment3D(
            horizontal: .center,
            vertical: .top,
            depth: .back
        )
    }
}

Model3D(named: "WaterBottle")
    .manipulable() // People can pick up and move the object

@Environment(\.surfaceSnappingInfo) var snappingInfo: SurfaceSnappingInfo

var body: some View {
    VStackLayout().depthAlignment(.center) {
        Model3D(named: "waterBottle")
            .manipulable()

        Pedestal()
            .opacity(snappingInfo.classification == .table ? 1.0 : 0.0)
    }
}

// In your macOS app
@main
struct MyMacApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
        }

        RemoteImmersiveSpace(id: "stereoView") {
            // Render stereo content on Apple Vision Pro
            // Uses CompositorServices
        }
    }
}

@main
struct MyApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
        }

        AssistiveAccessScene {
            SimplifiedUI() // UI shown when iPhone is in AssistiveAccess mode
        }
    }
}

// Show SwiftUI view in AppKit sheet
let hostingController = NSHostingController(rootView: SwiftUISettingsView())
presentAsSheet(hostingController)
// Great for incremental SwiftUI adoption

// Bridge AppKit gestures to SwiftUI
struct AppKitPanGesture: NSGestureRecognizerRepresentable {
    func makeNSGestureRecognizer(context: Context) -> NSPanGestureRecognizer {
        NSPanGestureRecognizer()
    }

    func updateNSGestureRecognizer(_ recognizer: NSPanGestureRecognizer, context: Context) {
        // Update configuration
    }
}

@Observable
class RealityEntity {
    var position: SIMD3<Float>
    var rotation: simd_quatf
}

struct MyView: View {
    @State private var entity = RealityEntity()

    var body: some View {
        // SwiftUI views automatically observe changes
        Text("Position: \(entity.position.x)")
    }
}

// Present SwiftUI popovers from RealityKit entities
let popover = Entity()
mapEntity.addChild(popover)
popover.components[PresentationComponent.self] = PresentationComponent(
    isPresented: $popoverPresented,
    configuration: .popover(arrowEdge: .bottom),
    content: DetailsView()
)

import WebKit

struct ArticleView: View {
    let articleURL: URL

    var body: some View {
        WebView(url: articleURL)
    }
}

import WebKit

struct InAppBrowser: View {
    @State private var page = WebPage()

    var body: some View {
        VStack {
            Text(page.title ?? "Loading...")

            WebView(page)
                .ignoresSafeArea()
                .onAppear {
                    page.load(URLRequest(url: articleURL))
                }

            HStack {
                Button("Back") { page.goBack() }
                    .disabled(!page.canGoBack)
                Button("Forward") { page.goForward() }
                    .disabled(!page.canGoForward)
            }
        }
    }
}

struct CommentView: View {
    @State private var comment = AttributedString("Enter your comment")

    var body: some View {
        TextEditor(text: $comment)
            // Built-in text formatting controls included
            // Users can apply bold, italic, underline, etc.
    }
}

struct PhotoGrid: View {
    @State private var selectedPhotos: [Photo.ID] = []

    var body: some View {
        ScrollView {
            LazyVGrid(columns: gridColumns) {
                ForEach(model.photos) { photo in
                    view(photo: photo)
                        .draggable(containerItemID: photo.id)
                }
            }
        }
        .dragContainer(for: Photo.self, selection: selectedPhotos) { draggedIDs in
            photos(ids: draggedIDs)
        }
    }
}

.dragConfiguration(DragConfiguration(allowMove: false, allowDelete: true))

.onDragSessionUpdated { session in
    let ids = session.draggedItemIDs(for: Photo.ID.self)
    if session.phase == .ended(.delete) {
        trash(ids)
        deletePhotos(ids)
    }
}

.dragPreviewsFormation(.stack) // Items stack nicely on top of one another

// Other formations:
// - .default
// - .grid
// - .stack

import Charts

struct HikePlotView: View {
    var body: some View {
        Chart3D {
            SurfacePlot(x: "x", y: "y", z: "z") { x, y in
                sin(x) * cos(y)
            }
            .foregroundStyle(Gradient(colors: [.orange, .pink]))
        }
        .chartXScale(domain: -3...3)
        .chartYScale(domain: -3...3)
        .chartZScale(domain: -3...3)
    }
}

struct FavoriteLocationControl: ControlWidget {
    var body: some ControlWidgetConfiguration {
        StaticControlConfiguration(kind: "FavoriteLocation") {
            ControlWidgetButton(action: MarkFavoriteIntent()) {
                Label("Mark Favorite", systemImage: "star")
            }
        }
    }
}
// Access from watch face or Shortcuts

struct CountdownWidget: Widget {
    var body: some WidgetConfiguration {
        StaticConfiguration(kind: "Countdown") { entry in
            CountdownView(entry: entry)
        }
    }
}

struct PhotoCountdownView: View {
    @Environment(\.levelOfDetail) var levelOfDetail: LevelOfDetail

    var body: some View {
        switch levelOfDetail {
        case .default:
            RecentPhotosView() // Full detail when close
        case .simplified:
            CountdownView()   // Simplified when further away
        default:
            CountdownView()
        }
    }
}

<key>UIRequiresFullscreen</key>
<!-- Entire property list key is deprecated (all values) -->