Describe the bug
The crosshair moves to nonsense position when aiming.
My device: Macbook Pro 16" 2021 + QHD external display

When fullscreen aiming on external display (2560x1440):

When fullscreen aiming on MacBook Pro display (3456x2234):

To Reproduce

1. Aim with bow.

Expected behavior
Crosshair moving consistently.

Other mods
Optifine + Shaders.

Does this issue persist without optifine? If not please provide your shader and shader settings (render resolution, etc).

This issue is present without Optifine.
Rendered in full screen mode in MacBook Pro display (3456x2160).

I can't reproduce this issue but i made some adjustments if it makes any difference (the jar file is zipped and needs to be upacked prior to use).
ShoulderSurfing-1.18.2-2.2.3-beta.jar.zip

I pushed a new version with a potential fix alongside another fix.

Hello!
I tested the latest release version, and the issue seems to be fixed.
Thank you!