JavaFX ListView will slow ListCell instantiation.

import com.sun.javafx.runtime.VersionInfo;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ListCell;
import javafx.scene.control.ListView;
import javafx.stage.Stage;
import javafx.util.Callback;

public class SlowInitCell extends Application {
    @Override
    public void start(Stage stage) throws Exception {
        ListView<String> listView = new ListView<>();

        listView.setCellFactory(new Callback<ListView<String>, ListCell<String>>() {
            @Override
            public ListCell<String> call(ListView<String> stringListView) {
                return new CustomListCell();
            }
        });

        for(int i=0;i<10000;i++) {
            listView.getItems().add("List item " + i);
        }

        stage.setTitle("List View Scrolling");
        stage.setScene(new Scene(listView));
        stage.show();
    }

    public static void main(String[] args) {
        System.out.println(VersionInfo.getRuntimeVersion());
        launch(args);
    }

    private class CustomListCell extends ListCell<String> {
        private final Label label = new Label();

        private CustomListCell() {
            try {
                Thread.sleep(50);
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }

        @Override
        protected void updateItem(String s, boolean empty) {
            super.updateItem(s, empty);

            if(!empty) {
                label.setText(s);
                setGraphic(label);
            }
        }
    }
}