ObservableCollection is the recommended collection [https://docs.microsoft.com/xamarin/xamarin-forms/user-interface/listview/data-and-databinding?WT.mc_id=threadsafeobservablecollection-codetraveler-bramin] to use for ListViews, but it isn't thread safe. Let's explore how we can fix this and use it in our multi-threaded apps! The Xamarin.Forms team recommends using ObservableCollection [https://docs.