.NET 9 projects should not reference Microsoft.Maui.Controls.Compatibility

[espenrl]

https://learn.microsoft.com/en-us/dotnet/maui/whats-new/dotnet-9?view=net-maui-9.0#compatibility-layouts

According to above resource Microsoft.Maui.Controls.Compatibility is obsoleted and should not be referenced.

The compatibility layout classes in the Microsoft.Maui.Controls.Compatibility namespace have been obsoleted.

Then, remove the package reference for the Microsoft.Maui.Controls.Compatibility NuGet package, provided that your app doesn't use any types from this package.

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Projects that uses both .NET 9 / MAUI and Esri.ArcGISRuntime.Toolkit.Maui are transitively including Microsoft.Maui.Controls.Compatibility, and are also forced to directly include it to get the correct version (and not 8.0.3 which Esri.ArcGISRuntime.Toolkit.Maui refers to).

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Error when there is a version mismatch between Microsoft.Maui.Controls and Microsoft.Maui.Controls.Compatibility.

WINAPPSDKGENERATEPROJECTPRIFILE : error : PRI175: 0x80073b0f - Processing Resources failed with error: Duplicate Entry.
WINAPPSDKGENERATEPROJECTPRIFILE : error : PRI277: 0x80073b0f - Conflicting values for resource 'Files/Microsoft.Maui.Controls/Compatibility/Handlers/TableView/Windows/TableViewStyles.xbf'