The patch added the option of disabling the resolution reconstruction:
Quick comparison:
Upscaling on:
Upscaling off:
Another couple of options added are film grain toggle and main menu game exit option.
Thanks, Remedy, I knew you could do it =)
Edit: Seems to run kinda ok without upscaling in 1080p on Ultra preset on my 980Ti.
I'll wait for vsync off option MS promised in May before playing it though.
Remedy should also think about adding a motion blur toggle in future patches.