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:Windows 11 servicing build 25182.1010 (KB5017600)…New Windows 11 build 22518.1012 (KB5009380) released…Window 11 servicing build 25120.1010 (KB5015039)…Microsoft rolls out Windows 10 build 21390 in the…Latest Windows 11 Dev Channel Build 25252.1010…