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unsupMinecraft mod for 1.21.10

A customizable simple modpack updater, perfect for private packs

newest supported release 1.21.10preview support: 1.21.11-pre5UtilityManagement
Latest version
1.2.0-pre4
Loaders
none declared
Licence
LGPL-3.0-or-later
Downloads
1.1k
Updated
11 mo ago
Available on
Modrinth
Space NodeOur hosting

Host unsup servers

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

  • 1.21.11-pre5
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • 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 unsup declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftKindJavaEvidenceReleased
1.21.11-pre5pre release21+declared3 Dec 2025
1.21.11-pre4pre release21+declared1 Dec 2025
1.21.11-pre3pre release21+declared25 Nov 2025
1.21.11-pre2pre release21+declared21 Nov 2025
1.21.11-pre1pre release21+declared19 Nov 2025
25w46asnapshot21+declared11 Nov 2025
25w45asnapshot21+declared4 Nov 2025
25w44asnapshot21+declared28 Oct 2025
25w43asnapshot21+declared21 Oct 2025
25w42asnapshot21+declared14 Oct 2025
25w41asnapshot21+declared9 Oct 2025
1.21.10release21+declared7 Oct 2025
1.21.10-rc1release candidate21+declared2 Oct 2025
1.21.9release21+declared30 Sept 2025
1.21.9-rc1release candidate21+declared25 Sept 2025
1.21.9-pre4pre release21+declared23 Sept 2025
1.21.9-pre3pre release21+declared22 Sept 2025
1.21.9-pre2pre release21+declared19 Sept 2025
1.21.9-pre1pre release21+declared16 Sept 2025
25w37asnapshot21+declared9 Sept 2025
25w36bsnapshot21+declared2 Sept 2025
25w36asnapshot21+declared2 Sept 2025
25w35asnapshot21+declared26 Aug 2025
25w34bsnapshot21+declared19 Aug 2025
25w34asnapshot21+declared19 Aug 2025
25w33asnapshot21+declared12 Aug 2025
25w32asnapshot21+declared5 Aug 2025
25w31asnapshot21+declared29 Jul 2025
1.21.8release21+declared17 Jul 2025
1.21.8-rc1release candidate21+declared15 Jul 2025
1.21.7release21+declared30 Jun 2025
1.21.7-rc2release candidate21+declared26 Jun 2025
1.21.7-rc1release candidate21+declared25 Jun 2025
1.21.6release21+declared17 Jun 2025
1.21.6-rc1release candidate21+declared12 Jun 2025
1.21.6-pre4pre release21+declared10 Jun 2025
1.21.6-pre3pre release21+declared4 Jun 2025
1.21.6-pre2pre release21+declared2 Jun 2025
1.21.6-pre1pre release21+declared28 May 2025
25w21asnapshot21+declared20 May 2025

802 older versions not shown.

Download

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

Most recently published release

1.2.0-pre4beta5 Dec 2025

unsup-1.2.0-pre4.jar · 0.9 MB · for 1.21.11-pre5, 1.21.11-pre4, 1.21.11-pre3, 1.21.11-pre2, 1.21.11-pre1 +837 more

Download this release
b17c080f7dc4…
Older versions5
  • 1.1.65 Dec 20251.21.11-pre5, 1.21.11-pre4, 1.21.11-pre3, 1.21.11-pre2, 1.21.11-pre1 +837 more2.3 MB340 downloadsd3954a276fce…Get
  • 1.2.0-pre13 Jul 20251.21.7, 1.21.7-rc2, 1.21.7-rc1, 1.21.6, 1.21.6-rc1 +807 more2.3 MB119 downloads3e2fc2f2b593…Get
  • 1.1.53 Jul 20251.21.7, 1.21.7-rc2, 1.21.7-rc1, 1.21.6, 1.21.6-rc1 +807 more2.3 MB243 downloadse2c8fad8b912…Get
  • 1.0.217 Jun 20251.21.6-rc1, 1.21.6-pre4, 1.21.6-pre3, 1.21.6-pre2, 1.21.6-pre1 +803 more1.2 MB62 downloadsa8ae417d08f3…Get
  • 1.1.417 Jun 20251.21.6-rc1, 1.21.6-pre4, 1.21.6-pre3, 1.21.6-pre2, 1.21.6-pre1 +803 more2.3 MB45 downloads104e1227bdbe…Get

Frequently asked

Does unsup work on Minecraft 1.21.11-pre5?

Yes. 1.21.11-pre5 is the newest Minecraft version unsup 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 unsup support?

Everything the author has declared, from rd-132211 up to 1.21.11-pre5. The full list is in the table above, with the Java runtime each version needs next to it.

Which Java version do I need for unsup?

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 unsup under?

LGPL-3.0-or-later, 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 unsup?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod 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 unsup 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 5 Dec 2025. 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? .