The type or namespace name 'Controls' does not exist in the namespace 'Microsoft.UI.Xaml' (are you missing an assembly reference?)

Process completed with exit code 1.

'this' argument does not satisfy 'DynamicallyAccessedMemberTypes.NonPublicMethods' in call to 'System.Type.GetMethod(String, BindingFlags)'. The return value of method 'System.Object.GetType()' does not have matching annotations. The source value must declare at least the same requirements as those declared on the target location it is assigned to.

'this' argument does not satisfy 'DynamicallyAccessedMemberTypes.NonPublicMethods' in call to 'System.Type.GetMethod(String, BindingFlags)'. The return value of method 'System.Object.GetType()' does not have matching annotations. The source value must declare at least the same requirements as those declared on the target location it is assigned to.

Windows.UI.Xaml.Controls.ContentPresenter.BackgroundTransition is not implemented in Uno (https://aka.platform.uno/notimplemented?m=Windows.UI.Xaml.Controls.ContentPresenter.BackgroundTransition) (https://aka.platform.uno/notimplemented)

Windows.UI.Xaml.Automation.AutomationProperties.SetAccessibilityView(Windows.UI.Xaml.DependencyObject, Windows.UI.Xaml.Automation.Peers.AccessibilityView) is not implemented in Uno (https://aka.platform.uno/notimplemented?m=Windows.UI.Xaml.Automation.AutomationProperties.SetAccessibilityView(Windows.UI.Xaml.DependencyObject, Windows.UI.Xaml.Automation.Peers.AccessibilityView)) (https://aka.platform.uno/notimplemented)

'this' argument does not satisfy 'DynamicallyAccessedMemberTypes.NonPublicMethods' in call to 'System.Type.GetMethod(String, BindingFlags)'. The return value of method 'System.Object.GetType()' does not have matching annotations. The source value must declare at least the same requirements as those declared on the target location it is assigned to.