As others have mentioned, it does not appear that they will be sister resorts. AoA doesn't even open until May 31st, so even if they would have been sharing it would not affect your trip. Have a magical time!
I also heard there will be no sharing of either busses or pools. As was mentioned these resorts will not be classified as "sister resorts" so no sharing unless something changes. As we all know, there is a lot at Disney that is "subject to change".
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