Quick answer: Godot 4 game rendering frames not aligning with physics ticks, causing visible stutter? Enable physics interpolation in Project Settings.
60 Hz physics; 144 Hz monitor. Physics-driven movement looks stuttery.
Enable physics interpolation
Project Settings > Physics > Common > Physics Interpolation. Engine interpolates positions between physics ticks; smooth at any framerate.
Or move drivers to _process
For visual-only motion, drive in _process with deltaTime. Skip the physics tick.
Match framerate to physics
Cap to 60 fps. Renders at the physics rate; no interpolation needed.
“Physics is fixed; rendering is variable. The mismatch is the visible gap.”
If your game uses physics for movement, interpolation is non-optional for high-refresh monitors. Enable from project start.