If you press Alt+ ↵ Enter the game will go back to fullscreen, but the stuttering should be gone. Change the ingame setting 'fullscreen' to 'no'.
There are multiple solutions that people have reported work:
If you press Alt+ ↵ Enter the game will go back to fullscreen, but the stuttering should be gone. Change the ingame setting 'fullscreen' to 'no'.
There are multiple solutions that people have reported work: