https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5006746-update-fixes-gaming-performance-issues/

Microsoft has released the optional KB5006746 cumulative update preview for Windows 11, fixing sixty-four issues, including AMD CPU performance and gaming issues.

This cumulative update preview is part of Microsoft's scheduled October 2021 monthly "C" updates, allowing Windows 11 users to test the upcoming fixes being released on September 9th as part of Patch Tuesday.