FULL PRODUCT VERSION :
java version "10" 2018-03-20
Java(TM) SE Runtime Environment 18.3 (build 10+46)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode

ADDITIONAL OS VERSION INFORMATION :
maOS High Sierra 10.13.4

A DESCRIPTION OF THE PROBLEM :
DateCell text color are not updated correctly when DateCell with disable = true is reused.

This problem has occurred in JDK 10.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1) Start the test application
2) Display the calendar popup
3) Last month click
4) Next month click
5) Next month click

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The text color of DateCell is displayed correctly
ACTUAL -
Some DateCell text colors are grayed out

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.time.LocalDate;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.DateCell;
import javafx.scene.control.DatePicker;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;

public class DateCellDisableTest extends Application{

@Override
public void start(Stage primaryStage) throws Exception {

DatePicker datePicker = new DatePicker();

datePicker.setDayCellFactory((cell)->{
return new DateCell() {
@Override
public void updateItem(final LocalDate item, final boolean empty) {
super.updateItem(item, empty);

if (item.isBefore(LocalDate.now())) {
this.setDisable(true);
}
}
};
});


BorderPane root = new BorderPane(datePicker);

Scene scene = new Scene(root, 400, 400);
primaryStage.setScene(scene);
primaryStage.show();
}

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

}

---------- END SOURCE ----------