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RecipeBuffers project artwork

CurseForge · Minecraft mod

RecipeBuffers

Non-vanilla-compatible optimizations for SUpdateRecipesPacket

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

Quick answer

Which RecipeBuffers release should I use?

Updated 5 years ago
Latest stable file recipebuffers-2.1.jar
Game version 1.16.5, 1.16.4
Loader Forge

recipebuffers-2.1.jar targets 1.16.5, 1.16.4 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is RecipeBuffers required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

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

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does recipebuffers-2.1.jar need?

recipebuffers-2.1.jar. Change the file and its required mods may change too.

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 RecipeBuffers without breaking your instance.

Built for recipebuffers-2.1.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use recipebuffers-2.1.jar. It targets 1.16.5, 1.16.4 with 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

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside recipebuffers-2.1.jar. It opens that exact file at the source.

About this project

What does RecipeBuffers add?

Note: Forge implemented a general fix for this issue in build 36.0.46. This means that RecipeBuffers is not necessary any more to prevent errors on login after that Forge build. It still reduces the amount of data sent at login, but the saved data is probably not worth the added potential for bugs in most cases. The following description was written with older Forge builds in mind.

In recent Minecraft versions all recipes are sent to the client on login. This is necessary for datapacks to be able to add recipes. However all recipes are sent in a single packet. If the size of this packet exceeds 2 MiB the connection will be aborted with an error mentioning "badly compressed packets". This mod adds some optimizations to reduce the size of that packet, so more mods can be added before the 2 MiB limit is reached.

This mod needs to be installed on both client and server, since it essentially changes the "language" they use to speak to each other when syncing recipes.

With this mod the size of the packet is typically around half the size it would be otherwise.

Project description from CurseForge.

Pick your setup

RecipeBuffers by Minecraft version and loader

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

3 available setups

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

Recent files

RecipeBuffers versions and loaders

4 of 4 releases match

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

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