Windows 10 build 19620 (rs onecore dep uxp next)

Windows 10 build 19620 (rs onecore dep uxp next) is an unleaked build of Manganese. It was showcased in the session "The Windows Command-Line: Windows Terminal & WSL 2" at the Microsoft Build 2020 digital event, as well as in a Q&A video about update of Windows Subsystem for Linux at the WSLConf 2020 event.