TL;DR: NVIDIA confirmed Windows 11 update KB5066835 caused significant performance drops in some games on GeForce RTX GPUs. The new GeForce Hotfix Display Driver 581.94 restores up to 50% frame rate ...
After updating to the Windows 11 October 2025 Update (KB5066835), some PCs powered by NVIDIA hardware saw reduced performance when gaming. NVIDIA confirmed the issue and released a hotfix update.
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