My preview is Sunday and I just got the "reminder" email. Nothing informative in the email whatsoever.
My preview is Saturday and the reminder email just came.
Only noteworthy items:
What to Bring to the Event
Valid Annual Pass and a government-issued photo ID for each registered Passholder
One printed copy of your confirmation page
Please Note: All registered Guests will need to present their valid Annual Pass for admission to Disney's Hollywood Studios prior to check-in.
Check-In
Please check in at the Grand Avenue entrance to Star Wars: Galaxy's Edge. Everyone in your registered party must check in at the same time
Star Wars: Galaxy's Edge Land Passholder Previews
Important Information About Registration
Reservations are nontransferable and may not be sold or bartered.
No modifications to reservations.
Star Wars: Galaxy's Edge Information
Millennium Falcon: Smuggler's Run attraction and other offerings will be available on a first-come, first-served basis.
Passholders who attend the preview event may not be able to experience all of the offerings during the event.
Passholders may experience wait times during this event.
Offerings, prices, experiences and information are subject to restrictions and change or cancellation without notice.
Merchandise is valid while supplies last and is subject to change without notice. Limit of one per item, per person.
See Property Rules for information regarding costumes and additional guidelines.