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Loading images using .net file streams does not work when AOT is enabled

2

**Describe the bug** Calling BitmapImage.SetSourceAsync() with a .net file stream using stream.AsRandomAccessStream() leads to WinRT originate error - 0x80004002 : 'Specified cast is not valid.' **To Reproduce** Code similar to...

WeakEventListener has [EditorBrowsable(EditorBrowsableState.Never)] attribute

1

### Describe the bug The WeakEventListener class is marked with the [EditorBrowsable(EditorBrowsableState.Never)] attribute. Is there a reason for this? The class seems to be quite useful for general use. ###...

Using IApplicationActivationManager::ActivateForFile does not work for packaged apps

7

### Describe the bug Trying to activate a packaged windows app sdk application using the IApplicationActivationManager::ActivateForFile method (e.g. from a Windows 11 explorer context menu entry component) fails with the...

Dynamic dependencies have a significant impact on application startup time

5

### Describe the bug Looking at startup time of winui applications, I noticed that using dynamic dependencies for unpackaged apps has a significant impact. Compared to using appsdk self contained...

This patch improves compatibility with AOT compiled WinUI apps. Fixes https://github.com/beto-rodriguez/LiveCharts2/issues/1889#issue-3122398282: - AllowUnsafeBlocks is required by the cswinrt source generator - MotionCanvas needs to be declared partial to generate the...

**Describe the bug** System.InvalidCastException is thrown: `"Failed to create a CCW for object of type 'LiveChartsCore.SkiaSharpView.WinUI.LiveChartsCore_SkiaSharpView_WinUI_XamlTypeInfo.XamlUserType' for interface with IID 'D24219DF-7EC9-57F1-A27B-6AF251D9C5BC': the specified cast is not valid."` **To Reproduce** Steps...

### Description The UnhandledException event handler broken since appsdk 1.7 was released (see https://github.com/microsoft/microsoft-ui-xaml/issues/10447#issuecomment-2800107924) and the issue is caused by a change in the DispatcherQueueSynchronizationContext class. I see that this...

Bug: WebAuthenticationCoreManagerInterop does not work if AOT is enabled

1

### Description Calling `WebAuthenticationCoreManagerInterop.RequestTokenForWindowAsync()` results in the following error message if AOT is enabled: ``Cannot retrieve a helper type for generic public type 'Windows.Foundation.IAsyncOperation`1[Windows.Security.Authentication.Web.Core.WebTokenRequestResult]'`` ### Steps To Reproduce 1. Call...

Bug: Cannot cast some of the UWP activation arguments using dotnet as operator

6

### Description This is related to https://github.com/microsoft/microsoft-ui-xaml/discussions/9983#discussioncomment-10708446 When publishing a UWP project using the preview .net 9 support with AOT, I noticed a crash when an appservice from a win32...

### Describe the bug After publishing an msix file from Visual Studio, the following property is added to the .csproj.user file: `StoreAndSideload` This causes the creation of an msix package...