https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5007262-cumulative-update-preview-released/

Microsoft has released the optional KB5007262 Preview cumulative update for Windows 11 with 70 fixes or improvements.

This Windows 11 cumulative update is part of Microsoft's November 2021 monthly "C" update, allowing users to test the upcoming updates and fixes in the December 2021 Patch Tuesday.