Any percentage based corner radii appear to be treated as normal values as opposed to percentages. This impacts both appearance and picking when pickOnBounds == false.


public class HelloRegion extends Application {
    @Override public void start(Stage primaryStage) throws Exception {
        final Pane region = new Pane();
        region.relocate(10, 10);
        region.setPrefSize(100, 100);
        final BorderStroke b1 = new BorderStroke(Color.RED, BorderStrokeStyle.SOLID, new CornerRadii(.20, .15, .10, .05, true), new BorderWidths(10), Insets.EMPTY);
        region.setBorder(new Border(b1));

        Group group = new Group();
        group.getChildren().addAll(region);
        Scene scene = new Scene(group, 300, 300);

        primaryStage.setScene(scene);
        primaryStage.show();
    }

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