MicrosoftEdge
[Problem/Bug]: The WebView2CompositionControl throws a System.PlatformNotSupportedException with .NET 8
What happened?
In the 1.0.2646-prerelease the Wpf Microsoft.Web.WebView2.Wpf.WebView2CompositionControl throws a System.PlatformNotSupportedException.
System.PlatformNotSupportedException: Operation is not supported on this platform. (0x80131539) at Microsoft.Web.WebView2.Wpf.WebView2CompositionControl.WebView2CompositionControl_Loaded(Object sender, RoutedEventArgs e) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args) at System.Windows.BroadcastEventHelper.BroadcastEvent(DependencyObject root, RoutedEvent routedEvent) at System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(Object root) at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks() at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget) at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)__
Importance
Important. My app's user experience is significantly compromised.
Runtime Channel
Prerelease (Edge Canary/Dev/Beta)
Runtime Version
No response
SDK Version
1.0.2646-prerelease
Framework
WPF
Operating System
Windows 11
OS Version
No response
Repro steps
Use the WebView2CompositionControl in a .NET 8 WPF Application.
Repros in Edge Browser
No, issue does not reproduce in the corresponding Edge version
Regression
No, this never worked
Last working version (if regression)
No response
