According to the Walt Disney World Annual Passholder website, passholders will get a preview of the Magic Kingdom and Disney’s Animal Kingdom on July 9th and 10th.
From the website –
Weekday Select, Theme Park Select, Silver, Gold, Platinum, Platinum Plus and Premier Passholders will have the opportunity to register for a special preview at Magic Kingdom park or Disney’s Animal Kingdom theme park on July 9 or 10. Email invitations with registration details will be sent out soon.
Reservations are required and limited, and will be available on a first-come, first-served basis. An eligible activated annual pass is required to register.
If a Passholder would like to register a Guest to accompany them, that Guest must also have a valid Weekday Select, Theme Park Select, Silver, Gold, Platinum, Platinum Plus or Premier annual pass, be listed on your Family & Friends list and have opted to share “All My Plans” with you.
