It seems you're mixing things here, the original report is about the applet not being able to work with the UP and DOWN keys there's nothing about FN keys, if you're facing that issue, you should open a new bug rather.
It seems you're mixing things here, the original report is about the applet not being able to work with the UP and DOWN keys there's nothing about FN keys, if you're facing that issue, you should open a new bug rather.