A DESCRIPTION OF THE REGRESSION :
Create component. Add MouseMotionListener and DragGestureListener to it.
Drag mouse across the component.

REPRODUCIBLE TESTCASE OR STEPS TO REPRODUCE:
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class TestApp {
private final JFrame frame = new JFrame();
private final JPanel panel = new JPanel();

public static void main(String[] args) {
new TestApp().start();
}

public void start() {
frame.getContentPane().add(panel);
panel.setSize(100, 100);
panel.addMouseMotionListener(new MyMouseListener());
frame.addWindowListener(new WindowListener() {
public void windowActivated(WindowEvent e) {}
public void windowClosed(WindowEvent e) {}
public void windowClosing(WindowEvent e) {
frame.dispose();
System.exit(0);
}
public void windowDeactivated(WindowEvent e) {}
public void windowDeiconified(WindowEvent e) {}
public void windowIconified(WindowEvent e) {}
public void windowOpened(WindowEvent e) {}
});
frame.show();
}

private class MyMouseListener implements MouseMotionListener {
public MyMouseListener() {
final DragSource dragSource = DragSource.getDefaultDragSource();
DragGestureListener gesture = new DragGestureListener() {
public void dragGestureRecognized(DragGestureEvent dge) {
System.out.println("dragGestureRecognized");
}
};
dragSource.createDefaultDragGestureRecognizer(panel,
DnDConstants.ACTION_COPY_OR_MOVE, gesture);

}
public void mouseDragged(MouseEvent e) {
System.out.println("mouseDragged");
}
public void mouseMoved(MouseEvent e) {}
}
}


RELEASE LAST WORKED:
5.0

RELEASE TEST FAILS:
mustang-b72

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
MouseDragged is the first fired event. DragGestureRecognized is fired later.
ACTUAL -
DragGestureRecognized is the first fired event, MouseDragged is the second one.