microsoft / microsoft/WindowsAppSDK

Unable to publish unpackaged WinUI3 application

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area-dotnet
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Description

Describe the bug

Attempting to publish an unpackaged MAUI application with 1.6 WASDK and .NET 9 results in the following obscure error message:

WindowsAppSDKSelfContained requires a supported Windows architecture.

The command I'm using to publish is linked below.

dotnet publish myapp.csproj -c Release -f net9.0-windows10.0.19041.0 -p:WindowsPackageType=None -p:SelfContained=true -p:WindowsAppSDKSelfContained=true -p:RuntimeIdentifierOverride=win-x64
Steps to reproduce the bug

I can't reproduce this out of the box, but I have no idea where to look at building a repro for this.

Expected behavior

Compiles

Screenshots

No response

NuGet package version

None

Packaging type

Unpackaged

Windows version

No response

IDE

Other

Additional context

Windows App SDK version: 1.6.240923002

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