From bleepingcomputer.com
With the release of Windows 10’s March 2021 updates and subsequent updates, some users have been experiencing performance issues when playing games. These gaming issues include decreased frame rate, stuttering in certain games, and flickering textures.
The problem was widely reported in March and NVIDIA had even recommended that users should remove the recent Windows 10 updates to resolve these issues in response.
In April, a server-side emergency patch was immediately issued by Microsoft in response to user complaints and the same fix is now included in July 2021 patch for Windows 10 version 21H1, 20H2, and version 2004. However, some users are still having issues, suggesting that the patch was incomplete.