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modpack

UltraBoostMinecraft modpack for 26.1

The most optimized modpack for low-end PCs

server onlynewest supported release 26.1OptimizationLightweightMultiplayer
Latest version
26.1
Loader
Fabric
Licence
MIT
Downloads
6.9k
Updated
7 mo ago
Available on
Modrinth
Space NodeOur hosting

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.

Most recently published release

26.1release6 Apr 2026

UltraBoost 26.1.mrpack · 29 KB · for 26.1 · Fabric

Download this release
b083dd824083…
Older versions7
  • 1.21.1111 Feb 20261.21.110.1 MB3.0k downloads80816beff343…Get
  • 1.21.111 Feb 20261.21.129 KB714 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 20251.20.130 KB128 downloads9c3495801a30…Get
  • Beta-115 Nov 20251.21.100.1 MB68 downloadsc0d3cb1efa00…Get
  • 215 Nov 20251.21.85 KB81 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 platform or loader does UltraBoost 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 UltraBoost?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

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?

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 UltraBoost 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.

Details from Modrinth, where the author last updated it on 6 Apr 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .