The date you submitted your supplemental has no effect on your overall application nor your wait list status. There were over 850 applicants, so even if you have the same “numerical” scores as...
From previous threads (not confirmed) plus it might be tougher bc there are way more applicants:
90%+ is a 1 for grades
83-89 is a 2
82 and less is a 3 etc
its the same thing with medical schools (and doctor shortages especially in rural areas), since healthcare is free, the government has to pay for it. Unfortunately this means less seats, less nurses...