Bumping up this topic, the mods need to be aware of this ASAP.
It's literally a gamebreaking bug, the screen is flashing every 3 seconds and it's seizure inducing. Completely screws up all forms of gameplay, csing, fights whatever. I've had the same settings from before the patch and after and this has NEVER happened until now.
Running everything on Very High with Vsync unlocked btw, averaging 100-110 fps, always been this way. And before someone brings this up, no, it doesn't go away when I turn vsync back on or change the graphical settings. Using the latest graphics card drivers as well.