Windows 10 build 21292.1000

Build of Cobalt
Architecturex86, x64, ARM64
Compiled on2021-01-08
Expiration date
Timebomb2021-10-31 (+296 days)
Home (N, Single Language, China)
Pro (N, Single Language, China)
Pro Education (N)
Pro for Workstations (N)
Education (N)
Enterprise (Evaluation, G, GN, N, N Evaluation)
IoT Enterprise
Product key
Use a Windows 10 Retail serial
About dialog
21292 winver.png
TCB.png TCBGallery.png

Windows 10 build 21292.1000 is the third Insider Preview build of Cobalt, the 21H2 development semester of Windows as a service. This build was released on 13 January 2021 to all Windows Insiders on the Dev Channel.

Changes[edit | edit source]

  • Multiple fixes and reliability improvements to the News and interests flyout.
  • Settings > System > Sounds now displays a message when microphone permissions have been turned off for the whole system or for all apps with a link to the Microphone Privacy page.

Bugs[edit | edit source]

News and interests[edit | edit source]

  • The taskbar button's layout is reset to "Show icon and text" after upgrading to this build.
  • Sometimes the flyout cannot be dismissed with pen.
  • The taskbar button can show stale information each time users log into their account.
  • The flyout shows content in a single column before quickly switching to double column.
  • The taskbar button's text can look pixelated in high resolution screens.
  • The taskbar context menu and the flyout overlap.
  • In certain circumstances, the flyout uses 100% of CPU when first launched.
  • Attempting to share content dismisses the flyout.

General[edit | edit source]

  • The update process to this build has a chance of hanging for extended periods of time.
  • Games such as State of Decay 2 or Assassin’s Creed may hang or crash when launching.
  • Call of Duty: Modern Warfare and Black Ops Cold War may not launch starting with this build.
  • Some rendering / graphic issues may be experienced after resizing certain app windows. This should be resolved after minimizing and restoring all windows by using the ⊞ Win+D hotkey twice.
  • Some 32-bit systems may lose network connection after upgrading to this build.
  • The reliability of the Start menu and other modern apps may be affected in this build.
  • When Xbox Game Bar is launched from the Start menu or via the ⊞ Win+G hotkey while using a text editor, the computer may appear unresponsive. If you encounter this, dismiss the bar with the same hotkey and end the GameBar.exe process from Task Manager.
  • Xbox Game Bar might launch on some PCs randomly without pressing the ⊞ Win+G hotkey.
  • Miracast users may experience very low frame rates in this build.
  • Live preview doesn't work for pinned site tabs on some machines, a gray window is seen instead of the intended content.
  • Aero Shake is disabled in this build. To enable it again, merge the following to the registry and restart explorer.exe:
Windows Registry Editor Version 5.00

Gallery[edit | edit source]

External links[edit | edit source]