I have a screen of 3440px*1440px (21.5 : 9).
When i run Minecraft not in a fullscreen mode, all things look right.
However, when i truns Minecarft into a fullscreen, my operations lags.
It's hard to discribe.... Like when u type 'W', the character will move towards 1s later after my typing.
Idk whether it's my problem or not.
I makes windows to use my discrete graphics card but in the task manager it shows GPU-0.
Thank you for your report!
We're tracking this issue in MCPE-98861, so this ticket is being resolved and linked as a duplicate.
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