As part of Disney Worlds reopening plan they have just announced that to help with social distancing and making the parks and restaurants compatible with the new rules they have decided to cancel all advanced dining reservations, disney dining plans and experience bookings for the rest of the year. The dining plans we can live without but the ADRs are a necessity if there is a specific restaurant we really wanted to visit.
Disney has said that they will reopen a limited number of dining and experience bookings as we get closer to the reopening dates. They are also changing the booking window from 180 days to 60 days out now regardless of whether you are staying on property or not.