Windows 10 build 21279 (rsmaster)

10.0.21279.rsmaster.201209-143?
Build of Cobalt
10.0.21279.rsmaster.201209-143?
OS family
Architecture
Compiled2020-12-09
Timebomb
Works in
SKUs
Enterprise

Windows 10 build 21279 (rsmaster) is a build of Cobalt, the 21H2 development semester of Windows as a service. A screenshot of this build was posted to GitHub by a Microsoft employee on 15 December 2020.[1]

References[edit | edit source]