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Latest experimental channel release notes for the Windows App SDK

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Important

The experimental channel is not supported for use in production environments, and apps that use the experimental releases cannot be published to the Microsoft Store.

The experimental channel includes releases of the Windows App SDK with experimental channel features in early stages of development. APIs for experimental features have the Experimental attribute. If you call an experimental API in your code, you will receive a build-time warning. All APIs in the experimental channel are subject to extensive revisions and breaking changes. Experimental features and APIs may be removed from subsequent releases at any time.

Important links:

Experimental channel release note archive:

Version 1.7 Experimental (1.7.0-experimental1)

This is the latest release of the experimental channel.

To download, retarget your WinAppSDK NuGet version to 1.7.241114004-experimental1.

New CameraCaptureUI API

A new CameraCaptureUI API makes it easier to capture photos and videos in your WinAppSDK app. For more info, see GitHub issue #4721.

New Authentication API

A new OAuth2Manager API provides a streamlined solution for web authentication, offering OAuth 2.0 capabilities with full feature parity across all Windows platforms supported by WinAppSDK. For more info, see GitHub issue #4772.

New Background Task support

A new BackgroundTaskBuilder API brings integrated support for background task registration to your WinAppSDK apps. For more info, see GitHub issue #4822.

New APIs for 1.7-experimental1

This release includes the following new and modified experimental APIs:

Microsoft.Security.Authentication.OAuth

    AuthFailure
    AuthRequestParams
    AuthRequestResult
    AuthResponse
    ClientAuthentication
    CodeChallengeMethodKind
    OAuth2Manager
    OAuthContract
    TokenFailure
    TokenFailureKind
    TokenRequestParams
    TokenRequestResult
    TokenResponse

Microsoft.UI.Composition

    CompositionNotificationDeferral
    CompositionProjectedShadow
        MaxOpacity
        MinOpacity
        OpacityFalloff

    CompositionProjectedShadowCaster
        AncestorClip
        Mask

    CompositionProjectedShadowDrawOrder
    CompositionProjectedShadowReceiver
        DrawOrder
        Mask

Microsoft.UI.Composition.Experimental

    ExpCompositionVisualSurface
    ExpExpressionNotificationProperty
    IExpCompositionPropertyChanged
    IExpCompositionPropertyChangedListener
    IExpCompositor
    IExpVisual

Microsoft.UI.Content

    AutomationOptions
    ChildContentLink
    ContentAppWindowBridge
    ContentDisplayOrientations
    ContentEnvironmentStateChangedEventArgs
        DidDisplayScaleChange

    ContentExternalBackdropLink
    ContentExternalOutputLink
    ContentIsland
        Children
        Compositor
        Connected
        ConnectionInfo
        ConnectRemoteEndpoint
        Create
        Disconnected
        FindAllForCompositor
        FragmentRootAutomationProvider
        GetByVisual
        IsRemoteEndpointConnected
        NextSiblingAutomationProvider
        ParentAutomationProvider
        PreviousSiblingAutomationProvider
        Root
        TransformMatrix

    ContentIslandEnvironment
        AutomationOption
        CurrentOrientation
        DisplayScale
        NativeOrientation
        ThemeChanged

    ContentSite
        Compositor
        SetContentNodeParent
        SetIsInputPassThrough
        SiteVisual
        TransformMatrix
        TryGetAutomationProvider

    ContentSiteAutomationProviderRequestedEventArgs
    ContentSiteEnvironment
        CurrentOrientation
        DisplayScale
        NativeOrientation
        NotifyThemeChanged

    ContentSiteView
        TransformMatrix

    CoreWindowSiteBridge
    CoreWindowTopLevelWindowBridge
    DesktopChildSiteBridge
        AcceptRemoteEndpoint
        ConnectionInfo
        IsRemoteEndpointConnected
        RemoteEndpointConnecting
        RemoteEndpointDisconnected
        RemoteEndpointRequestedStateChanged

    DesktopSiteBridge
        TryCreatePopupSiteBridge

    EndpointConnectionEventArgs
    EndpointRequestedStateChangedEventArgs
    IContentIslandEndpointConnectionPrivate
    IContentLink
    IContentNodeOwner
    IContentSiteBridge2
    IContentSiteBridgeAutomation
    IContentSiteBridgeEndpointConnectionPrivate
    PopupWindowSiteBridge
    ProcessStarter
    ReadOnlyDesktopSiteBridge
    SystemVisualSiteBridge

Microsoft.UI.Input

    InputKeyboardSource
        GetForWindowId

    InputLayoutPolicy
    InputLightDismissAction
        GetForIsland

    InputPointerActivationBehavior
    InputPointerSource
        ActivationBehavior
        DirectManipulationHitTest
        GetForVisual
        GetForWindowId
        RemoveForVisual
        TouchHitTesting
        TrySetDeviceKinds

    ProximityEvaluation
    TouchHitTestingEventArgs

Microsoft.UI.Input.Experimental

    ExpInputSite
    ExpPointerPoint

Microsoft.UI.Windowing

    AppWindow
        DefaultTitleBarShouldMatchAppModeTheme

    DisplayArea
        GetMetricsFromWindowId

Microsoft.UI.Xaml

    XamlIsland
    XamlRoot
        TryGetContentIsland

Microsoft.UI.Xaml.Automation.Peers

    AutomationEvents
        Notification

    InkCanvasAutomationPeer
    PagerControlAutomationPeer

Microsoft.UI.Xaml.Controls

    ContentDialogPlacement
        UnconstrainedPopup

    DoInkPresenterWork
    ElementFactory
    FlowLayout
    FlowLayoutAnchorInfo
    FlowLayoutLineAlignment
    FlowLayoutState
    IApplicationViewSpanningRects
    IndexPath
    InkCanvas
    ISelfPlayingAnimatedVisual
    ItemContainer
        CanUserInvoke
        CanUserInvokeProperty
        CanUserSelect
        CanUserSelectProperty
        ItemInvoked
        MultiSelectMode
        MultiSelectModeProperty

    ItemContainerInteractionTrigger
    ItemContainerInvokedEventArgs
    ItemContainerMultiSelectMode
    ItemContainerUserInvokeMode
    ItemContainerUserSelectMode
    LayoutPanel
    NumberBox
        InputScope
        InputScopeProperty
        TextAlignment
        TextAlignmentProperty

    PagerControl
    PagerControlButtonVisibility
    PagerControlDisplayMode
    PagerControlSelectedIndexChangedEventArgs
    PagerControlTemplateSettings
    ProgressRing
        DeterminateSource
        DeterminateSourceProperty
        IndeterminateSource
        IndeterminateSourceProperty

    RecyclePool
    RecyclingElementFactory
    ScrollingScrollStartingEventArgs
    ScrollingZoomStartingEventArgs
    ScrollView
        ScrollStarting
        ZoomStarting

    SelectionModel
    SelectionModelChildrenRequestedEventArgs
    SelectionModelSelectionChangedEventArgs
    SelectTemplateEventArgs
    StackLayout
        IsVirtualizationEnabled
        IsVirtualizationEnabledProperty

    StackLayoutState
    TitleBar
    TitleBarAutomationPeer
    TitleBarTemplateSettings
    UniformGridLayoutState

Microsoft.UI.Xaml.Controls.Primitives

    ScrollPresenter
        ScrollStarting
        ZoomStarting

Microsoft.Windows.ApplicationModel.Background

    BackgroundTaskBuilder
    BackgroundTaskContract

Microsoft.Windows.ApplicationModel.Background.UniversalBGTask

    Task

Microsoft.Windows.ApplicationModel.WindowsAppRuntime

    DeploymentManager
        Repair

    DeploymentStatus
        PackageRepairFailed

    ReleaseInfo
    RuntimeInfo
    VersionInfoContract

Microsoft.Windows.Media.Capture

    CameraCaptureUI
    CameraCaptureUIContract
    CameraCaptureUIMaxPhotoResolution
    CameraCaptureUIMaxVideoResolution
    CameraCaptureUIMode
    CameraCaptureUIPhotoCaptureSettings
    CameraCaptureUIPhotoFormat
    CameraCaptureUIVideoCaptureSettings
    CameraCaptureUIVideoFormat

Microsoft.Windows.Storage

    ApplicationData
        GetForUnpackaged

Bug fixes

This release includes the following bug fixes:

  • Changed SplitButton so touch input now matches the behavior of mouse input. For more info, see GitHub issue #178.
  • Changed cascading menus so sub menus now open immediately if clicked. For more info, see GitHub issue #939.
  • Fixed an issue where opening a ComboBox which is in a flyout closes all flyouts. For more info, see GitHub issue #1467.
  • Fixed an issue where SwipeControl would randomly crash in a ListView. For more info, see GitHub issue #2527.
  • Fixed an issue where drag-and-drop only a ListViewItem would leave it in the wrong visual state. For more info, see GitHub issue #3458.
  • Fixed an issue in StackLayout so that it respects the ItemsRepeater.HorizontalAlignment and ItemsRepeater.VerticalAlignment properties (when StackLayout.Orientation is Vertical and Horizontal respectively). The old layout behaved as if the ItemsRepeater alignment was Stretch. With the fix, the layout results in items aligned to the right when the Right alignment is used, for example. For more info, see GitHub issue #3842.
  • Fixed an issue where deleting items in the ItemsRepeater's source would not generate items which moved up into view. For more info, see GitHub issue #6661.
  • Fixed an issue where the right Alt key would not show keytips for Access Keys. For more info, see GitHub issue #8447. Note: This may result in key events for the right Alt key no longer being delivered to handles in the app or controls.
  • Fixed a crash where UniformGridLayout would sometimes pick a wrong layout anchor and cause infinite layout passes when scrolling backwards. For more info, see GitHub issue #9199.
  • Fixed an issue where setting NavigationFailedEventArgs.Handled to True would still throw an exception. For more info, see GitHub issue #9632.
  • Fixed an issue where TabView would not apply any specified CornerRadius. For more info, see GitHub issue #9846.
  • Fixed a potential layout cycle crash in StackLayout. For more info, see GitHub issue #9852.
  • Fixed a potential crash in ItemsView when removing items. For more info, see GitHub issue #9868.