Originally posted by Gisbert:

Try to configure your boot.ini (just google-you'll find) / set priority in task manager to "high", deactivate steam overlay, start the game in "window mode fullscreen", etc.

I, who plays with 10 fps (i7 9750H, GTX 1650, 16GB ram), have tried all boot configs, launch options, priorities and what not, can say it doesn't really work. The funny thing is, it used to run good enough prior to this update, so whatever they did just straight up ♥♥♥♥♥♥ it up.