Here is my timeline to give you an idea. Like Sean492 I never received any communication from Ford only my sales guy and the dealership.
July 13, 2020 - Reservation
Feb. 23, 2021 - Confirmed order with dealership
April 13th - VIN# was given to me and a scheduled build date for June and...
Correct, I have received nothing from Ford. I'm fortunate that my dealer has been keeping me up to date. Went from June 5th build date to June 14th and a July 7th delivery date.