You can try to join the walk up list in the My Disney experience app but it's best to have a reservation
They are accepting walk-in however use your my Disney experience app to ensure you have a reservation booked. They aren't very busy at all, or at least they were not the two days I went.
No walk ups until they expand capacity...
That may but it is proven to be very difficult. Reservations are the way to go. Keep using the app and be persistent.
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