ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

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

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

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

The variable 'prevOffset' is assigned but its value is never used

'FormatterServices' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

'FormatterServices' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

The local function 'Filter' is declared but never used

The event 'DummyInputContext.ConnectionChanged' is never used

The event 'HeadlessWindow.Resize' is never used