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UpdateFixerUpper Mod para Minecraft 1.18.2, 1.19.1

Un mod de utilidad para ayudar a gestionar objetos/bloques faltantes al actualizar mods

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Actualizado 18.10.2026

Acerca del mod UpdateFixerUpper

UpdateFixerUpper is a mod designed to help when updating mods, to prevent world corruption and replace items with equivalents

REMEMBER TO MAKE BACKUPS! UFU DOES NOT CARE WHAT IT IS CHANGING

Using UFU

  • ufu.txt is the file that controls replacements, the file is created in the config folder the first time you run the game with UFU installed, but you can create it yourself.
  • Replacements are handled in pairs, with a pair being a line in ufu.txt of the format old identifier -> new identifier
  • On world load, UFU will replace any identifier matching old identifier with new identifier when old identifier is used as a key in a DefaultedRegistry

(Note: Although the name may imply it, UFU does not use DFU (data fixer upper), it was originally planned to, but that fell through and I decided to keep the name)

Cómo instalar UpdateFixerUpper

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.18.2–1.19.1 on Fabric or Quilt automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Fabric or Quilt

    The loader must match the game version of the mod file, for example Minecraft 1.19.1. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file updatefixerupper-1.0.2.jar (8 KB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: UpdateFixerUpper should be in the list.

Minecraft 1.19.1 runs on Java 17: with a different Java version the game may close right after launch.

Versiones

Con dependencias

MinecraftCargadorArchivoFechaAcciones
1.18.2Fabric, Quiltupdatefixerupper-1.0.2.jar8.5 KB

FAQ

Which Minecraft versions does UpdateFixerUpper work on?

There are files for 1.19.1, 1.18.2. The newest is 1.19.1.

Is UpdateFixerUpper for Forge or Fabric?

There are files for Fabric: 1.18.2–1.19.1 and for Quilt: 1.18.2–1.19.1. There are no files for Forge or NeoForge: a mod for another loader will not start.

Does UpdateFixerUpper need other mods?

The author lists no required dependencies: the Fabric or Quilt loader is enough.

Which Java does UpdateFixerUpper need?

Minecraft 1.19.1 runs on Java 17. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.

Where can I download UpdateFixerUpper safely?

On this page: the file updatefixerupper-1.0.2.jar (8 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 5b4ffec3faf05009b395561d7331d07f6619eda1.

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