Just got home--good news, they're replacing my iPad... The whole interaction took less than 10 minutes. The spot on mine is visible but barely and I was expecting the worst. However, the tech saw the spot, wireless connected to my iPad to run some diags and collect info and created a work order.



I have the 512 GB/Cellular model and check the store stock to confirm it was in stock, however they said they'd have to order it and they would notify me when it came in (couple of days). My guess is they have a certain quantity reserved for repairs and they just didn't have any of this model.



Very happy and glad I got this checked out. I suspect (like someone else suggested) that it will re-appear eventually, my guess is that there's some component under that section of the screen that's causing this over time. But i'm not too concerned--it might be time to upgrade by then...