MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="CollectionOfButtons.MainPage">

    <ScrollView>
        <VerticalStackLayout
            Spacing="25"
            Padding="30,0"
            VerticalOptions="Center">

            <Label>Buttons should size appropriately with wrapped text...</Label>
            
            <CollectionView
                Grid.Row="2" Grid.Column="0" Grid.RowSpan="3" Grid.ColumnSpan="4"
                ItemsSource="{Binding Path=StringList, Mode=OneWay}"
                ItemSizingStrategy="MeasureAllItems"
                SelectionMode="Single">
                <CollectionView.ItemsLayout>
                    <LinearItemsLayout Orientation="Vertical" ItemSpacing="1" />
                </CollectionView.ItemsLayout>
                <CollectionView.ItemTemplate>
                    <DataTemplate>
                        <Button
                            Text="{Binding}"
                            LineBreakMode="WordWrap"
                            MinimumHeightRequest="40"
                            FontSize="24">
                        </Button>
                    </DataTemplate>
                </CollectionView.ItemTemplate>
            </CollectionView>

        </VerticalStackLayout>
    </ScrollView>

</ContentPage>