Windows 10 build 21317

10.0.21317.co_release
Build of Cobalt

Windows 10 build 21317 is an unconfirmed build of Cobalt, the 21H2 development semester of Windows as a service. It was mentioned in an image shown in a post on Windows Central.[1]

References[edit | edit source]

  1. ↑ Development of Windows 11 Summer'21 (co_release) & Fall'21 (co_refresh) releases explained in a collated timeline
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