As part of the February Patch cycle, Microsoft is rolling out a new cumulative update for all supported version of Windows. In this month’s update, there are only security enhancements for the system, browsers, core components and other basic functions. The update is expected to include security bug fixes for Windows 10, version 2004 and 20H2. The changelog is not available due to unknown issues with Microsoft support document. If you own multiple PCs or if you would like to patch the PCs manually, you can learn more about it here.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-cumulative-updates-kb4601315-and-kb4601319-released/