Built-in COM disabled via feature switch when loading `ContentIsland` sample

[Zakariathr22]

Which version of the app?

WinUI 3 Gallery

Description

When running the ContentIsland sample and clicking Load model, the app throws a System.NotSupportedException with the message Built-in COM has been disabled via a feature switch.

Screenshots

Windows version

No response

Additional context

No response

[marcelwgn]

Looks like an issue with how we release the app, sample works in debug but not in the store release

[ghost1372]

@marcelwgn
Based on the trimming documentation, some features are disabled by default when trimming is enabled:

This issue can be resolved by explicitly enabling the required feature. Add the following property to the project’s .csproj file:

<BuiltInComInteropSupport>true</BuiltInComInteropSupport>