https://www.bleepingcomputer.com/news/microsoft/windows-11-microsoft-is-investigating-these-eight-problems/

Windows 11 is officially released, and users are running into various issues and problems preventing them from upgrading or using the new operating system correctly. Below we have collected eight known issues affecting Windows 11 and when they are expected to be fixed.

As with any major feature update or new version of Windows, there are bound to be incompatibilities with software and hardware that cause crashes or other instability.