Before the latest patch I used to play the game with a framerate variable from 60 to 45-50 (almost always 50), with all the settings maxed out.
Right now I expected to run it way better, since should have been some "performance improvements", but no, it got worse.
I'm playing (maxed out, 1080p) from 60 to 11. Yes, 11. Even tweaking it a bit (lowering shadows, AA, etc.) just gave me 4-5 fps more.
Rig: i5-4690, GTX 1060 6GB OC, W10, 12GB RAM, game installed on HDD (no other process running in background, etc.)