Yesterday, Twitter lit up with user frustration after Microsoft pushed out an internal “canary” build of Windows 10 20H1 to Windows Insiders on all of its developer rings (including Fast and Slow). The build was not meant to escape the confines of Redmond, Washington due to its early developmental status, and now we’re getting a detailed answer

Source: Hot Hardware – Microsoft Details How Rogue Windows 10 Build Was Pushed Leaking Lite Start Menu, How To Roll Back