Windows 10 build 20201

Windows 10 build 20201 is the tenth Insider Preview build of Iron. It was released to all Insiders in the Dev Channel on 26 August 2020.

Bugs and quirks

 * The "close all windows" option in the taskbar sometimes doesn't close all the open tabs.
 * Live preview doesn't work for pinned site tabs.
 * Syncing may not work properly in the Mail app with certain mail services.
 * If you open an Office document in File Explorer, it may appear to be blank.
 * Some devices may encounter an  BSOD.
 * The Settings app may crash if you open Manage Disks and Volumes.
 * Some Office applications may either crash or go missing if you update to this build.