Microsoft is now rolling out Windows 10 build 19041.264 as cumulative update KB4556803 for devices enrolled in the Slow and Release Preview ring of the Windows Insider Program.
This flight address performance issues with Windows Mixed Reality (WMR) that prevents it from working correctly for many users. Updates the 2020 start date for daylight saving time (DST) in the Kingdom of Morocco. And it brings security fixes for Windows App Platform, Windows Kernel, Windows Virtualization, Windows Update Stack, and more.
Originally, build 19041 was made available to testers last December, and since then, Microsoft has been releasing cumulative updates to make sure the new feature update is as stable as it can possible be before making version 2004 available to everyone.
Download Windows 10 build 19041.264
The update is available immediately through the Slow and Release Preview ring. This preview build will download and install automatically on your device, but you can always force the update from Settings > Update & security > Windows Update, and clicking the Check for updates button.
You can also check out these resources: