We already know that ARM-based Apple MacBooks are on the way and that this is likely to come on redesigned MacBooks. A couple of leaks now suggest that these will arrive with Face ID and a second-generation Touch Bar -- the latter could also indicate we won't be seeing a MacBook with a touchscreen.
https://www.notebookcheck.net/Second-gen-Touch-Bar-to-arrive-with-Face-ID-equipped-MacBook-says-leaker.488641.0.html