I also confirm this bug with fresh install Ubuntu 16.04. Any-time I leave my PC for 5 minutes, reboot or come back from a locked session my monitors go back not being aligned properly like I have saved them.
I also confirm this bug with fresh install Ubuntu 16.04. Any-time I leave my PC for 5 minutes, reboot or come back from a locked session my monitors go back not being aligned properly like I have saved them.