Menu

modpack

UltraBoostMinecraft modpack for 26.1

The most optimized modpack for low-end PCs

server onlynewest supported 26.1OptimizationLightweightMultiplayer
Latest version
26.1
Minecraft
1.20.1 to 26.1
Java
Java 25+
Loader
Fabric
Licence
MIT
Downloads
6.9k
Updated
4 mo ago
Available on
Modrinth
Space NodePartner

Host UltraBoost servers

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

  • 26.1
  • Fabric
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

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

Other modpacks
MinecraftThroughJavaEvidenceReleased
26.1Fabric25+declared24 Mar 2026
1.21.11Fabric21+declared9 Dec 2025
1.21.10Fabric21+declared7 Oct 2025
1.21.9Fabric21+declared30 Sept 2025
1.21.8Fabric21+declared17 Jul 2025
1.21.1Fabric21+declared8 Aug 2024
1.20.1Fabric17+declared12 Jun 2023

Download

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

26.1release6 Apr 2026

UltraBoost 26.1.mrpack · 0.0 MB · for 26.1

Download latest
b083dd824083…
Older versions7
  • 1.21.1111 Feb 20261.21.110.1 MB3.0k downloads80816beff343…Get
  • 1.21.111 Feb 20261.21.10.0 MB714 downloadsdfec00b2ec1b…Get
  • 1.21.819 Nov 20251.21.80.6 MB686 downloads44a1351f634f…Get
  • 1.21.1018 Nov 20251.21.100.1 MB249 downloadsad70defb6a37…Get
  • 118 Nov 20251.20.10.0 MB128 downloads9c3495801a30…Get
  • Beta-115 Nov 20251.21.100.1 MB68 downloadsc0d3cb1efa00…Get
  • 215 Nov 20251.21.80.0 MB81 downloads475eade1ba5c…Get

Frequently asked

Does UltraBoost work on Minecraft 26.1?

Yes. 26.1 is the newest Minecraft version UltraBoost 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 UltraBoost support?

Everything the author has declared, from 1.20.1 up to 26.1. The full list is in the table above, with the Java runtime each version needs next to it.

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

The server only. Players join with an ordinary Minecraft client and install nothing.

Which loader does UltraBoost need?

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 UltraBoost?

Java 25 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 UltraBoost 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 UltraBoost?

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 UltraBoost 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.

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.ElixirA well-researched performance & optimization modpack to make the game run smoother! With shader & Fresh Animations support. 26.3 Snapshot 5 ✔fps+pvpFPS + PvP Boost is a lightweight Minecraft modpack designed to maximize performance and give players a competitive edge in PvP. With FPS-boosting optimizations and combat-focused tweaks, it delivers smoother gameplay, better responsiveness, and enhanced viFastly OptimisedA modpack to enhance the performance of Pojavlauncher, MojoLauncher, Amethyst Launcher, Pojav Zenith Horizon (Zalith Launcher), Zalith Launcher2, Hello Launcher, FoldCraft Launcher, SolCraft Launcher and Low-End-PCs.PerformaThis modpack optimizes Minecraft to boost FPS and improve world loading speeds. It generates chunks only when needed, enhancing overall performance. It has been tested on various devices. For more information read the description

Last checked 6 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.

Is this information wrong or missing something? .