This is not invalid, bugs still affects people as you can see here http://askubuntu.com/questions/780027/ubuntu-16-04-hides-cursor-when-using-graphics-tablet?rq=1 and here http://askubuntu.com/questions/809698/ubuntu-16-04-hides-cursor-when-using-tablet .
And i think that is not a duplication of bug 1568604, which has already been fixed.
This is not invalid, bugs still affects people as you can see here http:// askubuntu. com/questions/ 780027/ ubuntu- 16-04-hides- cursor- when-using- graphics- tablet? rq=1 and here http:// askubuntu. com/questions/ 809698/ ubuntu- 16-04-hides- cursor- when-using- tablet .
And i think that is not a duplication of bug 1568604, which has already been fixed.