Windows 10 build 19619 (rs onecore dep)

Windows 10 build 19619 (rs_onecore_dep) is a build of Manganese, the 20H2 development semester of Windows as a service. A screenshot of this build was posted to GitHub by a Microsoft employee on 27 April 2020. Several issues related to this build, along with a screenshot of this build's Windows Terminal, were later posted to GitHub by different Microsoft employees in May and July 2020.