This is the revision history for cmd.exe utf8 in <libera.chat:#esolangs>

factoid_idsubjectcopulapredicateauthornamespace
11931 cmd.exe utf8 is use Win32::API; Win32::API->new('kernel32.dll', SetConsoleOutputCP => 'N','N')->Call(65001); binmode $_ => ':encoding(UTF-8)' for \*STDIN, \*STDOUT, \*STDERR; might work for UTF-8 output under Windows tm604 <*:##NULL>