Jim Lian

You’re apparently considered an advanced/wannabe beta tester user if you push the “check for updates” thing in windows update.

“If you click the “Check for Updates” button in the Settings app, Microsoft still considers you a “seeker” and will give you “preview” updates that haven’t gone through the normal testing process.”

https://www.howtogeek.com/fyi/watch-out-clicking-check-for-updates-still-installs-unstable-updates-on-windows-10/