bleepingcomputer[.]com/news/gaming/windows-11-22h2-causing-gaming-issues-for-some-nvidia-users/
neowin[.]net/news/windows-11-22h2-apparently-causing-problems-on-nvidia-graphics-cards/
You'll just have to roll back to the older Win11 version if you want to keep on gaming. This was apparently an issue with the Insider builds too, but for whatever reason no one at Microsoft or Nvidia was apparently listening.
As detailed in reports shared across several online platforms and on Microsoft's online community, some users experience stuttering and massive lag while playing games due to what looks like significant drops in CPU usage after installing the Windows 11 2022 Update."I have been experiencing insane stuttering in games. My CPU usage in games have dropped down significantly, in some from 80% to 5%. Just went back to the last update and my in game experience is much better," one Reddit user said.
"I just updated to 22H2 and I am dealing with extremely unstable FPS in all my games. I have good specs for gaming and have previously never seen any issues (Ryzen 3600, 1070 TI, 16GB RAM). Games are basically unplayable," another one added.
"I'm having very bad stuttering as well while gaming. Brand new PC and it worked fine before this upgrade. i9-12900k, 3080ti. Please fix this," a third Reddit user said.
Customers also shared on Microsoft's community site that they had encountered similar issues, with a similar drop in CPU usage down to 5%, causing significant lag while gaming.