Windows 10 build 21389

10.0.21389.1.co_release.210520-1520
Build of Cobalt
No image available
OS family
Architecturex86, x64, ARM64
Compiled2021-05-20
Timebomb
Works in

Windows 10 build 21389 is a build of Cobalt, the 21H2 development semester of Windows as a service. It was mentioned in the metadata file Desktop_neutral_Forward_21389.1.co_release.210520-1520.CompDB.xml when updating to build 21390.1.

Desktop_neutral_Forward_21389.1.co_release.210520-1520.CompDB.xml[edit | edit source]

<CompDB xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" CreatedDate="2021-05-22T13:22:41.7345375Z" Revision="1" SchemaVersion="1.2" BuildID="21eb36aa-e557-63c9-316f-2b37c835591d" BuildInfo="co_release.21389.1.210520-1520" OSVersion="10.0.21389.1" BuildArch="amd64" Type="Update" Name="Update~amd64~Desktop~~~Diff~21389.1.co_release.210520-1520" TargetBuildID="7d044fad-6096-0b5c-27bd-36cf3a903ba7" TargetBuildInfo="co_release.21390.1.210521-1658" TargetOSVersion="10.0.21390.1" xmlns="http://schemas.microsoft.com/embedded/2004/10/ImageUpdate">