Released on January 25, Windows 11 KB5008353 “addresses a performance regression issue that occurs when you enable the update sequence number (USN) journal.” According to Windows Latest, which has been tracking the issue for months, the update does indeed appear to remedy the issue.
https://www.techspot.com/news/93235-windows-11-update-finally-fixes-storage-slowdowns.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/93235-windows-11-update-finally-fixes-storage-slowdowns.html?utm_source=dlvr.it&utm_medium=blogger