What's new in the Windows 10 KB5008215 update
https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5008215-update-released-with-application-vpn-fixes/
Microsoft has released the Windows 11 KB5008215 cumulative update to fix security vulnerabilities and bugs introduced in previous versions.
KB5008215 is a mandatory cumulative update containing security updates, performance improvements, and bug fixes for Windows 11 21H2.