If you have a Spinner that is editable, you can't use Shift+Tab to jump to the previous control.

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Spinner;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;

public class Main extends Application {
private Scene scene;

public static void main(String[] args) {
launch(args);
}

@Override
public void start(Stage primaryStage) {
GridPane gridPane = new GridPane();
gridPane.add(createSpinner(), 0, 0);
gridPane.add(createSpinner(), 1, 0);
gridPane.add(createSpinner(), 2, 0);

BorderPane root = new BorderPane();
root.setCenter(gridPane);
root.setMinSize(640, 480);
scene = new Scene(root);

primaryStage.setScene(scene);
primaryStage.setTitle("JavaFX Spinner Test");
primaryStage.show();
}

private Spinner<Integer> createSpinner()
{
Spinner<Integer> spinner = new Spinner<>(0, 100, 0);
spinner.setEditable(true);
return spinner;
}
}