CarouselView problem

MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
			 xmlns:controls="clr-namespace:CarouselView.FormsPlugin.Abstractions;assembly=CarouselView.FormsPlugin.Abstractions"
             xmlns:local="clr-namespace:StackLayoutBug"
             x:Class="StackLayoutBug.MainPage"
			 SizeChanged="OnPageSizeChanged">
	<Grid ColumnSpacing="0" RowSpacing="0">
		<Grid.RowDefinitions>
			<RowDefinition Height="Auto"/>
			<RowDefinition Height="*"/>
		</Grid.RowDefinitions>
		<Grid.ColumnDefinitions>
			<ColumnDefinition Width="*"/>
		</Grid.ColumnDefinitions>
		<ContentView Grid.Row="0" Grid.Column="0" BackgroundColor="BlueViolet" HorizontalOptions="FillAndExpand" VerticalOptions="Start">
			<StackLayout x:Name="StackLayout">
				<Label Text="A" FontSize="Large"/>
				<Label Text="B" FontSize="Large"/>
			</StackLayout>
		</ContentView>
		<controls:CarouselViewControl 
			x:Name="carouselView"
			Orientation="Horizontal"
			Grid.Row="1" Grid.Column="0"
			BackgroundColor="DarkSlateGray">
			<controls:CarouselViewControl.ItemsSource>
				<x:Array Type="{x:Type View}">
					<ContentView>
						<ScrollView>
							<StackLayout>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
								<Label Text="TEST" FontSize="70"/>
							</StackLayout>
						</ScrollView>
					</ContentView>
				</x:Array>
			</controls:CarouselViewControl.ItemsSource>
		</controls:CarouselViewControl>
	</Grid>
</ContentPage>

MainPage.xaml.cs

using System;
using Xamarin.Forms;

namespace StackLayoutBug
{
	public partial class MainPage : ContentPage
	{
		public MainPage()
		{
			InitializeComponent();
		}

		private void OnPageSizeChanged(object sender, EventArgs e)
		{
			if (Width < Height)
			{
				StackLayout.Orientation = StackOrientation.Vertical;
			}
			else
			{
				StackLayout.Orientation = StackOrientation.Horizontal;
			}
		}
	}
}