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modpack

Ultra Fast Optimization

This is a concise and high-performance optimization modpack, aiming to support those less commonly used Minecraft versions.

newest supported 1.21.10OptimizationLightweightMultiplayer
Latest version
no release indexed
Minecraft
1.16.5 to 1.21.10
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
CC0-1.0
Downloads
5.7k
Updated
16 d ago
Available on
Modrinth

Minecraft versions

Every version Ultra Fast Optimization declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.10NeoForge, Forge, Fabric21+declared7 Oct 2025
1.21.8Fabric, NeoForge, Forge21+declared17 Jul 2025
1.21.5NeoForge, Forge, Fabric21+declared25 Mar 2025
1.21.4NeoForge, Forge, Fabric21+declared3 Dec 2024
1.20.6Forge, Fabric, NeoForge21+declared29 Apr 2024
1.20.4Forge, Fabric, NeoForge17+declared7 Dec 2023
1.19.4NeoForge, Forge, Fabric17+declared14 Mar 2023
1.19.2Fabric, NeoForge, Forge17+declared5 Aug 2022
1.18.2Forge, NeoForge, Fabric17+declared28 Feb 2022
1.17.1Forge, NeoForge, Fabric16+declared6 Jul 2021
1.16.5Forge, NeoForge, Fabric8+declared14 Jan 2021

Frequently asked

Does Ultra Fast Optimization work on Minecraft 1.21.10?

Yes. 1.21.10 is the newest Minecraft version Ultra Fast Optimization declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Ultra Fast Optimization support?

Everything the author has declared, from 1.16.5 up to 1.21.10. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does Ultra Fast Optimization need?

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

Which Java version do I need for Ultra Fast Optimization?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the modpack itself.

What licence is Ultra Fast Optimization under?

CC0-1.0, 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 Ultra Fast Optimization?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the modpack 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 Ultra Fast Optimization safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

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