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LegacyFix project artwork

Modrinth · Minecraft mod

LegacyFix

Fixes technical issues with running legacy Minecraft

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

Quick answer

Which LegacyFix release matches c0.0.13a modloader?

Updated yesterday
Best match for your filters 26.10
Game version rd-132211, rd-132328, rd-20090515
Loader babric, Fabric, Forge

LegacyFix 26.10 targets rd-132211, rd-132328, rd-20090515 with babric, Fabric, Forge. 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 LegacyFix 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 babric, Fabric, Forge
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 LegacyFix 26.10 need?

26.10 on c0.0.13a modloader. 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 LegacyFix without breaking your instance.

Built for LegacyFix 26.10 on c0.0.13a modloader. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 26.10. It targets rd-132211, rd-132328, rd-20090515 with babric, Fabric, Forge; 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 26.10. It opens that exact file at the source.

About this project

What does LegacyFix add?

LegacyFix banner

Installation

Forge

LegacyFix acts as a core mod. Depending on the game version:

  • For Minecraft 1.3 or older: Follow Other.
  • For Minecraft 1.4: Drop the .jar file into your .minecraft/coremods folder.
  • For Minecraft 1.5 or newer: Drop the .jar file into your .minecraft/mods folder.

Fabric

LegacyFix can be installed as a standard mod. Simply drop the .jar file into your .minecraft/mods folder.

All Fabric-based loaders (Legacy Fabric, Babric, Ornithe, etc.) are supported.

Other

If you are playing Vanilla or using an older mod loader (like Risugami's ModLoader), you can run LegacyFix as a Java Agent.

Patches

Proxy

  • Online mode multiplayer auth
  • Skins and capes (with override support)
  • Accurate version-specific assets and sounds

Graphics

  • bitdepth: Torn clouds on AMD GPUs
  • a1.1.1: Gray screen crash in Alpha v1.1.1
  • intel: Rendering bugs on Intel GPUs (b1.9 - 1.7.10)
  • screenshot: Broken screenshots after resizing the game window

Windowing

  • vsync: Forces V-Sync
  • deawt: Flipped colors on Apple Silicon Macs
  • classic-resize: Fixes window resizing in Classic and early Indev

Input & Audio

  • mouse: Modernizes mouse input handling
  • indev-sound: Restores missing sound in early Indev
  • disable-controllers: Disables buggy controller support that freezes the startup screen

Mod Compatibility

  • beta-forge: Fixes Beta Forge (b1.7.3 - b1.8.1) crashing on Java 9+

Misc

  • game-dir: Isolates the game directory for ancient versions
  • java-modules: Unlocks internal modules (required for Java 11+)
  • texture-pack-folder: Fixes the broken "Open Texture Pack Folder" button on Mac/Linux

Information about additional settings can be found here.

Project description from Modrinth.

Pick your setup

LegacyFix by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1168 available setups

Showing the newest 12 of 584 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

LegacyFix versions and loaders

1 of 1 releases match

Looking for an older file? The official Modrinth project page is in Resources.

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