https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5014019-update-fixes-app-crashes-slow-copying/ > Microsoft has released optional cumulative update previews for Windows 11, Windows 10 version 1809, and Windows Server 2022, with fixes for Direct3D issues impacting client and server systems. > The updates are part of Microsoft's scheduled April 2022 monthly "C" updates, allowing Windows users to test the fixes released on June 15th as part of next month's Patch Tuesday.