Similar problem, on Minecraft 1.16.50 on iPad Mini 4, running iPadOS 14.2.
I have the same issue on an iPad Mini 4 A1538 running iPad OS 13.4.5 Beta, but its not just in those coordinates, but in all of my worlds, and at all coodinates. I'm running Minecraft 14.60
have the same issue on an iPad Mini 4 running iPad OS 13.4.5 Beta
From that question, I just put it up to 100%, now it’s fine. I completely forgot about that setting 😄