Improve synchronization between JFX and Swing/AWT 
For example, loading the same font on both threads concurrently, seeRT-34170
            
For example, loading the same font on both threads concurrently, see
- relates to
- 
                    JDK-8120878 The use of SwingNode containing a JButton interacts badly with the rendering -           
- Resolved
 
-         
 P4
  P4