The October 2022 Patch Tuesday, which was released last week, has serious issues when it comes to network connectivity. Microsoft has released an OOB update (KB5020387) to fix the problems.
Windows 11 known issues RSS
The recent Windows 11 update KB5012643 and Windows 10 update KB5011831 broke games and apps on "certain GPUs" that run on the Microsoft's DirectX 9 API. Also present is a related D3D9On12 issue.
Microsoft is shipping Windows 11 starting today in a staggered manner to eligible devices. While there are a ton of new features and improvements, the OS ships with three known issues.