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BuraMinecraft mod for 1.21.11

Bura is an alpha Fabric performance mod that reduces lag spikes and improves FPS stability by optimizing chunk compilation, upload scheduling, and visibility culling in singleplayer.

client onlynewest supported 1.21.11WorldgenOptimization
Latest version
0.2.0
Minecraft
1.21.11
Java
Java 21+
Loader
Fabric
Licence
MIT
Downloads
74.1k
Updated
5 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Bura servers

One click and Bura is installed with the right loader, on hardware built for it.

  • 1.21.11
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Bura declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11Fabric21+declared9 Dec 2025

Download

From Bura’s own host. Nothing is re-hosted here.

0.2.0alpha9 Apr 2026

bura-0.2.0.jar · 85 KB · for 1.21.11

Download latest
f7ca38543231…
Older versions1
  • 0.1.015 Feb 20261.21.1169 KB2.3k downloadsc3e51a875777…Get

Frequently asked

Does Bura work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Bura declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Bura on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does Bura support?

Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Bura?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Bura under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Bura?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Bura safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .