The 'licenseUrl' element will be deprecated. Consider using the 'license' element instead.

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

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

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

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

Use "Async" suffix in names of methods that return an awaitable type (https://github.com/Microsoft/vs-threading/blob/main/doc/analyzers/VSTHRD200.md)

Avoid "async void" methods, because any exceptions not handled by the method will crash the process (https://github.com/Microsoft/vs-threading/blob/main/doc/analyzers/VSTHRD100.md)

Cancel synchronously blocks. Await CancelAsync instead. (https://github.com/Microsoft/vs-threading/blob/main/doc/analyzers/VSTHRD103.md)

The type 'Avalonia.Media.IBrush?' cannot be used as type parameter 'T' in the generic type or method 'ObservableCollectionEx.ToObservableChangeSet<T>(ObservableCollection<T>)'. Nullability of type argument 'Avalonia.Media.IBrush?' doesn't match 'notnull' constraint.