Here's something a little wonky on our last trip.
We normally get 11:00 and check-in early to request waterfront table-- Never missed one doing this. This time we were in line for POTC and it was getting tight. We thought about bailing. Just before boarding I got check-in pop-up on the App. I forgot about App check-in since this was our first park day and dining reservation this trip. So I told Fam "hey, should be good to go, let's ride".
Not so much. We got to BB and the lobby was full as expected. I asked the hostess to confirm we were checked in from the App. She checked tablet and then went through the check-in process with us again (allergies, etc). Then, in the next few minutes she made several announcements outside/inside asking if anyone had used the App and not checked-in with the desk. Uh oh. I can see the future now.
They started seating few minutes late (11:10ish) and definitely in order of people who physically checked in. We were seated in about the 5th table in the second row.
Not a big deal, and lesson learned. I don't know if this is unique to BB, but it sure seemed like it. App check-in worked for the rest of the trip 4 or 5 times at other spots. I am thinking BB needs to confirm the party size and verify everyone is present to maximize table space and keep things moving smoothly. I'm not one to complain on a trip, but seems like it would be easy for them to disable App check-in for BB, if this really is a thing.