I’m assuming that you’re referring to the Current Account Switching Service? In which case, the answer’s yes Monzo will there’s a card on the roadmap here.
So the only question is when. But that card is in the same list as the card for the rollout to all existing users so it looks like the team’s hoping that it’ll be ready by the time new users are able to sign up for a current account.
There’s some more background on this service & comments from the team here -