The bigger question for me is why doesn't it work? is Disney using private API's - because at this stage of the game the public ones should be stable. And I am well aware that this is a beta period and we should expect things to break - but when every single app I have works find except this one it makes me question - as a programmer - what Disney is doing - I suspect they are using private api's which is never a good thing to do. if true I'd be very curious why they are doing that.
For me, any time I select a different section in the Disney World App, I get a pop up about using iOS13 and beta yadda yadda yadda.. I'd assume that they're aware that their app isn't working and ARE working on it, but probably can't release a stable version for iOS 13 yet due to Apple not accepting these for the App Store yet...