According to this thread in NI forums, it looks like it is finally  at least planned https://www.native-instruments.com/forum/threads/host-transport-control-doesnt-work-with-komplete-kontrol-mk2-due-to-ni-removing-mcu-support.329081/page-25 "Hi all, MCU Support for Komplete Kontrol S-Series MK2 and A-Series (including M32) keyboards is currently in development and is nearing completion. It will be available for beta testing on Centercode shortly, and will be available as part of the next K