I’ve had all kinds of issues with dining reservations on the app for months now. Yes, it shows cancelled reservations (sometimes tapping “refresh” will fix it, other times not). I am completely unable to make reservations using my phone. Also, I cannot modify reservations (but that glitch is universal for me; I can’t do it from the website either). It just astounds me that Disney technology is this bad...I kind of expect more from somewhere so big.