For general information purposes (I tried to be as exact as possible) :
21-10-22 Ordered MY RWD no options (ie White exterior, black interior, 19" wheels)
21-12-22 Vehicle build date
10-01-23 "Vehicle Assigned" email
10-01-23 Ship carrying the car arrives in Singapore from Shanghai
16-01-23 "Delivery Approaching" email
20-01-23 Registration document ready
21-01-23 "Final Invoice" email
24-01-23 VIN added to RAV
25-01-23 Ship leaves Sinagpore
30-01-23 Ship arrives off Perth but doesn't dock
02-02-23 Ship docks at Fremantle
06-02-23 "Your Model Y is ready to be scheduled for delivery" text message
23-02-23 Delivery date (selected earliest available)
Hopefully that helps someone to work out where they are in the process. Looking now at the dates, it all happens pretty quickly really - less than a month from a vehicle being assigned to scheduling delivery.