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OneClient (SkyBlock) [Modpack / Client]Minecraft modpack for 26.3

All in one SkyBlock modpack for OneClient by Polyfrost, the client for everyone. Optimized FPS / performance, world hosting, QoL features, in one place.

client onlynewest supported release 26.3OptimizationLightweightMultiplayer
Latest version
v2.0.449
Loader
Fabric
Licence
GPL-3.0-only
Downloads
1.1M
Updated
2 d ago
Available on
Modrinth

Minecraft versions

Every version OneClient (SkyBlock) [Modpack / Client] declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
26.3Fabric25+declared15 Sept 2026
26.2Fabric25+declared16 Jun 2026
26.1.2Fabric25+declared9 Apr 2026
1.21.11Fabric21+declared9 Dec 2025

Download

From OneClient (SkyBlock) [Modpack / Client]’s own host. Nothing is re-hosted here.

Most recently published release

v2.0.449release20 Oct 2026

oneclient-skyblock-26.3-fabric.mrpack · 24 KB · for 26.3 · Fabric

Download this release
482868a0500f…
Older versions15
  • v2.0.44820 Oct 202626.226 KBc5779729ea59…Get
  • v2.0.44720 Oct 202626.324 KB2842ce2c0424…Get
  • v2.0.44620 Oct 202626.324 KB21988c53e7a2…Get
  • v2.0.44520 Oct 202626.324 KBf73a91ce6b0d…Get
  • v2.0.44419 Oct 202626.324 KBa08c092fc746…Get
  • v2.0.44319 Oct 202626.324 KB89a5da43a01e…Get
  • v2.0.44218 Oct 202626.324 KB16a5f785028d…Get
  • v2.0.44118 Oct 202626.324 KB7f89f6674f17…Get
  • v2.0.44018 Oct 202626.324 KB5d5b5c112720…Get
  • v2.0.43918 Oct 202626.324 KB048b8a485be6…Get
  • v2.0.43817 Oct 202626.324 KBba701e450a26…Get
  • v2.0.43717 Oct 202626.324 KBde9f1a5429b3…Get
  • v2.0.43617 Oct 202626.324 KB3b9fea2dd9e7…Get
  • v2.0.43517 Oct 202626.324 KB758784610471…Get
  • v2.0.43417 Oct 202626.324 KB8c41ff734f05…Get

Frequently asked

Does OneClient (SkyBlock) [Modpack / Client] work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version OneClient (SkyBlock) [Modpack / Client] 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 OneClient (SkyBlock) [Modpack / Client] support?

Everything the author has declared, from 1.21.11 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install OneClient (SkyBlock) [Modpack / Client] 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 OneClient (SkyBlock) [Modpack / Client] 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 OneClient (SkyBlock) [Modpack / Client]?

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 OneClient (SkyBlock) [Modpack / Client] under?

GPL-3.0-only, 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 OneClient (SkyBlock) [Modpack / Client]?

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 OneClient (SkyBlock) [Modpack / Client] 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 24 Oct 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? .