Recently, Disney shared the details explicitly for the D23 Gold Member event.
The D23 Gold Member preview event will take place on May 15th, 2022. Registration for the event will open on Tuesday, April 12th, 2022 at 10AM PT (1PM ET) on the D23 website.
The event costs $35 per person (plus a $5 processing fee).
Through this event, D23 Gold Members will get to experience the attraction before opening day, PLUS they’ll get some special extras.