Windows 10 build 21390.1000 heads to Dev channel users, no major builds likely till June 24 June 7, 2021 by admin Tweet Microsoft released a new cumulative udpate to Windows 10 Insiders in the Dev channel, bringing build 21390.1000. The company adds that it will mostly release servicing updated for the next few weeks. Read more… Neowin Related Posts:Microsoft released a new servicing build to Dev…Microsoft splits Canary Channel into two with new…Windows 11 Dev Channel gets a servicing build updateWindows Copilot is now available for all Dev Channel…Microsoft is releasing two servicing builds to Dev…