Quote:As part of the February Patch cycle, Microsoft is rolling out a new cumulative update for all supported version of Windows.
 
The cumulative update with security fixes is rolling out to PCs with October 2020 Update, May 2020 Update, November 2019 Update, and May 2019 Update. In this month's update, there are only security enhancements for the system, browsers, core components and other basic functions.

Quote:What's new in OS Builds 19042.804 and 19041.804

The cumulative update for Windows 10, version 2004 and 20H2 is KB 4601319 and it is expected to include security bug fixes. At the moment, the changelog is not available due to unknown issues with Microsoft support document.
 
"The February 2021 security update release is now available on all supported versions of Windows. Release notes associated with these updates might publish with a delay of up to an hour. We will share the release notes after they are published. Thank you for your patience," Microsoft said in a statement.
 
For those on version 1909, a new cumulative update with package number (KB4601315) is now available and it comes with security fixes. The changelog for this update is also not available.