Dereference of a possibly null reference.

Dereference of a possibly null reference.

Nullability of reference types in value of type 'Optional<object?>' doesn't match target type 'Optional<object>'.

Non-nullable property 'SettingsProviderClassFullName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'SettingsProviderMemberName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Found version-specific or distribution-specific runtime identifier(s): win10-arm64, win10-x64, win10-x86. Affected libraries: Microsoft.WindowsAppSDK. In .NET 8.0 and higher, assets for version-specific and distribution-specific runtime identifiers will not be found by default. See https://aka.ms/dotnet/rid-usage for details.

'ObjReader' is obsolete: 'Suggest to use HelixToolkit.SharpDX.Assimp'