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modpack

Ultimately OptimizedMinecraft modpack for 1.21.7

Enjoy the plain old vanilla Minecraft, but with performance and FPS improvements.

client onlynewest supported release 1.21.7TechnologyOptimizationMagicLightweight
Latest version
1.2.1
Minecraft
1.7.10 to 1.21.7
Java
Java 21+
Loaders
Fabric, NeoForge, Quilt, Forge
Licence
LicenseRef-All-Rights-Reserved
Downloads
13.6k
Updated
16 mo ago
Available on
Modrinth

Minecraft versions

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

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.7Fabric, NeoForge, Quilt, Forge21+declared30 Jun 2025
1.21.6Forge, Quilt, NeoForge, Fabric21+declared17 Jun 2025
1.21.5Forge, Quilt, NeoForge, Fabric21+declared25 Mar 2025
1.21.4Forge, Quilt, NeoForge, Fabric21+declared3 Dec 2024
1.21.3NeoForge, Quilt, Forge, Fabric21+declared23 Oct 2024
1.21.1Fabric, Quilt, NeoForge, Forge21+declared8 Aug 2024
1.21Forge, Quilt, NeoForge, Fabric21+declared13 Jun 2024
1.20.6Forge, Quilt, NeoForge, Fabric21+declared29 Apr 2024
1.20.4NeoForge, Quilt, Fabric, Forge17+declared7 Dec 2023
1.20.2NeoForge, Fabric, Forge, Quilt17+declared20 Sept 2023
1.20.1Fabric, Quilt, NeoForge, Forge17+declared12 Jun 2023
1.19.4Forge, Quilt, NeoForge, Fabric17+declared14 Mar 2023
1.19.2Forge, Quilt, NeoForge, Fabric17+declared5 Aug 2022
1.18.2Forge, Quilt, NeoForge, Fabric17+declared28 Feb 2022
1.17.1Forge, Quilt, NeoForge, Fabric16+declared6 Jul 2021
1.16.5Forge, Quilt, NeoForge, Fabric8+declared14 Jan 2021
1.12.2Forge, Quilt, NeoForge, Fabric8+declared18 Sept 2017
1.8.9Forge, Quilt, NeoForge, Fabric8+declared3 Dec 2015
1.7.10Forge, Quilt, NeoForge, Fabric8+declared14 May 2014

Download

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

Most recently published release

1.2.1release9 Jul 2025

Ultimately Optimized 1.2.1.mrpack · 2 KB · for 1.21.7 · NeoForge

Download this release
74621e7e1aec…
Older versions7
  • 1.1.02 Jun 20251.21.52 KB480 downloadsf42de5bd6ce0…Get
  • 1.0.32 Jun 20251.21.43 KB402 downloadsead0d44fc029…Get
  • 1.0.27 Mar 20251.21.412 KB153 downloads6ee93400e089…Get
  • 1.0.116 Jan 20251.20.13 KB111 downloadsb061c7435dbe…Get
  • 1.0.030 Dec 20241.21.42 KB55 downloads4607fb9fa739…Get
  • 0.0.52 Sept 20241.20.14 KB85 downloadsfbad89e730ec…Choose file on publisher ↗
  • 0.0.411 Jun 20241.20.47 KB150 downloadsef48738dfdbf…Choose file on publisher ↗

Frequently asked

Does Ultimately Optimized work on Minecraft 1.21.7?

Yes. 1.21.7 is the newest Minecraft version Ultimately Optimized 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 Ultimately Optimized support?

Everything the author has declared, from 1.7.10 up to 1.21.7. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Ultimately Optimized 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 Ultimately Optimized support?

Fabric, NeoForge, Quilt, Forge. 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 Ultimately Optimized?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Ultimately Optimized under?

LicenseRef-All-Rights-Reserved, 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 Ultimately Optimized?

Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.

Where do I download Ultimately Optimized 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. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

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

MAX FPS: Optimized🚀 MAX FPS WITHOUT UNNECESSARY MODS! Only 16 optimization mods - NOTHING EXTRA! ✅ ALL MAJOR VERSIONS ⚡ INSTALLS ON ANY LAUNCHER! (Guide below)Simply Optimized ReloadedAn unofficial port of Simply Optimized built to support every major mod loader and stay current with the newest versions of Minecraft.FPS+ PvP Boost | Ultimate FPS & Combat Client [ Every Version ]Ultra-lightweight FPS boost & PvP modpack for Fabric. Boost FPS on low-end PCs with Sodium optimizations, lower input lag, cleaner visuals, and combat HUD tweaks built for Hypixel Bedwars, Duels, PotPvP & CPVP. Maximize frames and dominate fights.ElixirA well-researched performance & optimization modpack to make the game run smoother! With shader & Fresh Animations support. 26.3 ✔Photon OptimizationMinecraft optimization framework prioritizing performance, simplicity, and compatibility. 1.7.10-26.1.2 across Fabric, Forge, NeoForge, and Quilt!Just Enough OptimizationJust Enough Optimization - Focused on low memory usage and higher avarege fps. Made for low-end pc so everyone can run Minecraft

Details from Modrinth, where the author last updated it on 9 Jul 2025. We do not host files or republish descriptions. Available download links point to the author’s own release.

Not indexed yet. Score 53 against a threshold of 55. The page still exists and is still linked; it simply carries noindex until we hold more.

Is this information wrong or missing something? .