Quote Originally Posted by Micah
I still haven't figured out what the cause of that lag spike is/was so I don't know if it's been "fixed" or not. I have changed a bit of code related to screen switching so it's possible that the lag is gone and if you get a chance I would recommend giving it another try to see if that is the case or not.
Just gave it a try again and the problem remains: as soon as I switch from one Desktop to another, there is this 5 second timespan, where the mouse cursor position is only updated only once a second. If it is an actual lag of the whole computer or just of the mouse driver, I can not tell.