Windows 10 build 19577.1000

Windows 10 build 19577 is the ninth Insider Preview build of either Windows 10 20H2 or 21H1. This build was released on 2020-03-05 to the Fast ring.

Bugs and quirks

 * The cloud reset feature is broken and can't be used. If trying to perform a system reset, you should use the local reset option.
 * The Documents section under privacy settings has a broken icon, and a rectangle is shown in its place.

Changes

 * Basic diagnostic data is now called Required diagnostic data and Full diagnostic data is now called Optional diagnostic data.
 * The Windows Security icon has been updated.