Smooth Movement Mod (1.21.1, 1.20.1) – Consistent Gameplay Under Low TPS

Smooth Movement Mod improving visual and gameplay consistency during server lag or low TPS conditions. Instead of attempting to remove lag, it adjusts how movement and timing are handled so that the game appears smoother and less disruptive.

Features:

• Improves visual consistency under server lag and low TPS
• Applies lag-aware smoothing to movement systems
• Reduces jitter, snapping, and desync
• Does not remove lag, only reduces its visual and gameplay impact
• Sky movement
• Client-side smoothing for sun, moon, and stars
• Server-side compensation to preserve vanilla day length
• Entity movement
• Client-side smoothing for living entities
• Server-side compensation to maintain vanilla behavior
• Item movement
• Client-side smoothing for items
• Server-side compensation to maintain vanilla behavior
• Minecart movement
• Client-side smoothing for minecarts
• Server-side compensation to preserve vanilla physics
• Projectile movement
• Server-side compensation to match client visuals
• Player movement
• Server-side compensation to reduce rubber-banding
• Falling block movement
• Server-side compensation to preserve vanilla physics
• Experience orb movement
• Server-side compensation to preserve vanilla collection behavior
• All features are individually configurable
• Features activate only during lag
• Can be installed client-side, server-side, or both

Screenshots:

Smooth Movement Mod Download Links