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Singleplayer Jitter Fix project artwork

Modrinth · Minecraft mod

Singleplayer Jitter Fix

Fixes all forms of jitter on single player due to server desync. Makes mobs movement and animation smooth, fixing stutters and discontinuities

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Singleplayer Jitter Fix release matches Fabric?

Updated today
Best match for your filters 1.21.1-1.1.0
Game version 1.21.1
Loader Fabric

Singleplayer Jitter Fix 1.21.1-1.1.0 targets 1.21.1 with Fabric. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.

Where it goes

Is Singleplayer Jitter Fix required on the client, server, or both?

It must be installed on the client. Do not install it on the dedicated server.

Client Required
Dedicated server Not supported
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked client-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Singleplayer Jitter Fix 1.21.1-1.1.0 need?

1.21.1-1.1.0 on Fabric. Every mod below is checked against that same setup.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Singleplayer Jitter Fix without breaking your instance.

Built for Singleplayer Jitter Fix 1.21.1-1.1.0 on Fabric. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 1.21.1-1.1.0. It targets 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    It must be installed on the client. Do not install it on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 1.21.1-1.1.0. It opens that exact file at the source.

About this project

What does Singleplayer Jitter Fix add?

Singleplayer Jitter Fix: Smooth Entity Animations

Falling blocks Mob turning Mob movement Projectiles

Ever since beta 1.3 the game has been PLAGUED by this very controlversion change: The client- serveer split.

If you dont know even on singleplayer your client runs a internal SERVER!

This causes a slew of desyncs and jittery behavior that is completley avoidable in single player.

This mod is simple in scope and simply addresses this issue with a series of targeted chanfes that fix all known smoothness issues.

Changes:

  • Server and Client now tick in alternating mode. one tick one, one the other
  • All entities "send" their position every tick. this means they are always 1 tick behind as opposed to several in vanilla
  • Fixes entities spawned in wrong phase staritng on client with a wrong position causing entity snapback when server updates them
  • Fixes falling blocks disappearing as soon as the block is placed. Now they disappear when the chunk mesh has hpdated instead, perfectluy smooth.

meme

Project description from Modrinth.

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Singleplayer Jitter Fix by Minecraft version and loader

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2 available setups

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Recent files

Singleplayer Jitter Fix versions and loaders

3 of 7 releases match
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