I just noticed that registration dates have been posted on the member site:
Disney's Hollywood Studios
Event Dates: May 11, 2023 and September 13, 2023
Early Registration Window* – Opens April 4, 2023
General Registration* – Opens May 3, 2023 and August 31, 2023
Disney's Animal Kingdom
Event Dates: July 11, 2023 and August 2, 2023
Early Registration Window* – Opens June 14, 2023
General Registration* – Opens June 21, 2023 and July 19, 2023
Disney’s Typhoon Lagoon Water Park
Event Dates: May 23, 2023 and August 23, 2023
Early Registration Window* – Opens April 26, 2023
General Registration* – Opens May 11, 2023 and August 9, 2023