Component: SceneGraphTests manual
Build: javafx8b129
PlatForm: Mac OS 10.9

Steps(the test case is test/scenegraph/fullscreen/TestOpacityFullScreen.java):
1.Enter to native full screen mode(button in top right corner)
2.Try change opacity of the window by slider
3.Opacity must be changed
4.There should be no errors
5.Exit from native full screen mode(button in top right corner)
6.Opacity should be the same as in full screen mode

The actual result: For native full screen mode,we change opacity of the window by slider,but the opacity of the window does not change.Please refer to attachments.