Microsoft Updated Windows 10 KB5001330 Issues
Apr 25, 2021
Windows 10 appears to have gotten a server-side patch to fix performance drop, lag, screen flickering, or text rendering issues when launching certain games. All of the above issues were detected after installing the latest Windows 10 updates: KB5001330 (required) and KB5000842 (optional).
I read the full story here: https://thetechnodiary.com/microsoft-updated-windows-10-kb5001330-issues/