Save Zone Bug And Lag At My M1. iPad Air 5 10.9 Inch

My iPad Air 5 With (M1 Chip) 10.9. inch

Minecraft lag at my M1 IPad Air for no reason even when I low render distance

Also the save zone not good at my iPad at have bugs like it not take the whole screen and some inventory buttons don't work smooth when I click in it at first time