https://www.bleepingcomputer.com/news/microsoft/windows-10-optional-updates-fix-performance-problems-introduced-last-month/

Optional updates for Windows 10 and Windows 11 released in January have fixed performance problems when playing games, using the operating system, or even opening folders in File Explorer.

With the January 2022 updates, Microsoft introduced numerous bugs breaking LT2P VPN connections, causing domain controller reboots, and preventing Hyper-V from working.