modules/javafx.controls/src/main/java/javafx/scene/chart/StackedAreaChart.java

*** 312,322 ****
              removeDataItemFromDisplay(series, item);
          }
          //Note: better animation here, point should move from old position to new position at center point between prev and next symbols
      }
  
!     /** @inheritDoc */
      @Override protected void dataItemChanged(Data<X, Y> item) {
      }
  
      @Override protected void seriesChanged(ListChangeListener.Change<? extends Series> c) {
          // Update style classes for all series lines and symbols
--- 312,322 ----
              removeDataItemFromDisplay(series, item);
          }
          //Note: better animation here, point should move from old position to new position at center point between prev and next symbols
      }
  
!     /** {@inheritDoc} */
      @Override protected void dataItemChanged(Data<X, Y> item) {
      }
  
      @Override protected void seriesChanged(ListChangeListener.Change<? extends Series> c) {
          // Update style classes for all series lines and symbols
*** 394,404 ****
              for (Data<X,Y> d:series.getData()) getPlotChildren().remove(d.getNode());
              removeSeriesFromDisplay(series);
          }
      }
  
!     /** @inheritDoc */
      @Override protected void updateAxisRange() {
          // This override is necessary to update axis range based on cumulative Y value for the
          // Y axis instead of the normal way where max value in the data range is used.
          final Axis<X> xa = getXAxis();
          final Axis<Y> ya = getYAxis();
--- 394,404 ----
              for (Data<X,Y> d:series.getData()) getPlotChildren().remove(d.getNode());
              removeSeriesFromDisplay(series);
          }
      }
  
!     /** {@inheritDoc} */
      @Override protected void updateAxisRange() {
          // This override is necessary to update axis range based on cumulative Y value for the
          // Y axis instead of the normal way where max value in the data range is used.
          final Axis<X> xa = getXAxis();
          final Axis<Y> ya = getYAxis();
*** 495,505 ****
  
          }
      }
  
  
!     /** @inheritDoc */
      @Override protected void layoutPlotChildren() {
          ArrayList<DataPointInfo<X, Y>> currentSeriesData = new ArrayList<>();
          // AggregateData hold the data points of both the current and the previous series.
              // The goal is to collect all the data, sort it and iterate.
          ArrayList<DataPointInfo<X, Y>> aggregateData = new ArrayList<>();
--- 495,505 ----
  
          }
      }
  
  
!     /** {@inheritDoc} */
      @Override protected void layoutPlotChildren() {
          ArrayList<DataPointInfo<X, Y>> currentSeriesData = new ArrayList<>();
          // AggregateData hold the data points of both the current and the previous series.
              // The goal is to collect all the data, sort it and iterate.
          ArrayList<DataPointInfo<X, Y>> aggregateData = new ArrayList<>();