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Proposal: Add LongPathAware support to cswinrt.exe

Status: Open.

Feature

#2528 In microsoft/CsWinRT;

· harnoor28 opened on Aug 19, 2026

UWP: static XAML events subscribed from a secondary CoreApplication view are invoked on the first subscriber's thread

Status: Open.

#2524 In microsoft/CsWinRT;

· Fela (FrayxRulez) opened on Aug 14, 2026

Proposal: Add XamlGeneratedMain entry point for Windows.UI.Xaml(Modern .NET)

Status: Open.

Feature

#2522 In microsoft/CsWinRT;

· 高怡飞 (Gaoyifei1011) opened on Aug 14, 2026

Bug: Can't bind to ImmutableArray when using Native AOT

Status: Open.

Bug

#2507 In microsoft/CsWinRT;

· eduardobragaxz opened on Aug 1, 2026

Bug: CsWinRT only projects one instance of repeated WinRT attributes

Status: Open.

Bug

#2491 In microsoft/CsWinRT;

· lgztx96 opened on Jul 26, 2026

Bug: CsWinRT 3 undetermined-interface case relies on undefined COM behavior

Status: Open.

Bug

#2483 In microsoft/CsWinRT;

· Dongle (dongle-the-gadget) opened on Jul 7, 2026

Set DisableRuntimeMarshalling and IsAotCompatible defaults via package .targets instead of emitting them in generated source

CsWinRT 3.0

Status: Open.

#2463 In microsoft/CsWinRT;

· Sergio Pedri (Sergio0694) opened on Jun 21, 2026

Bug: Binding issue

Status: Open.

Bug

#2458 In microsoft/CsWinRT;

· premiaware opened on Jun 19, 2026

Bug: [CSWinRT 3]: Crash when project is built as a NativeAOT library

Status: Open.

Bug

#2441 In microsoft/CsWinRT;

· darkhz opened on Jun 15, 2026

Bug: Reentracy checks conflict with .Net synchronization mechanisms (e.g. lock), causing random crashes in apps

Status: Open.

Bug

#2422 In microsoft/CsWinRT;

· benstevens48 opened on May 25, 2026

Proposal: Use Span for WindowsRuntimeBufferMarshal.TryGetDataUnsafe

Status: Open.

Feature

#2416 In microsoft/CsWinRT;

· Huo Yaoyuan (huoyaoyuan) opened on May 7, 2026

It is hoped that the Microsoft.Windows.SDK.NET.Ref package suitable for the 28000 SDK can be provided.

Status: Open.

Feature

#2414 In microsoft/CsWinRT;

· 高怡飞 (Gaoyifei1011) opened on May 1, 2026