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Iridium Skyblock [1.13-1.21.10]Minecraft plugin for 1.21

A New Era of Skyblock plugins

server onlynewest supported 1.21
Latest version
Version 4.1.5
Minecraft
1.13 to 1.21
Java
Java 21+
Loader
Spigot
Licence
not stated
Downloads
365.7k
Updated
2 mo ago
Available on
SpigotMC
Space NodePartner

Host Iridium Skyblock [1.13-1.21.10] servers

One click and Iridium Skyblock [1.13-1.21.10] is installed with the right loader, on hardware built for it.

  • 1.21
  • Spigot
  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Iridium Skyblock [1.13-1.21.10] declares support for, newest first, with the Java runtime that version needs.

Other plugins
MinecraftThroughJavaEvidenceReleased
1.21Spigot21+declared13 Jun 2024
1.20.6Spigot21+declared29 Apr 2024
1.20Spigot17+declared2 Jun 2023
1.19Spigot17+declared7 Jun 2022
1.18Spigot17+declared30 Nov 2021
1.17Spigot16+declared8 Jun 2021
1.16Spigot8+declared23 Jun 2020
1.15Spigot8+declared9 Dec 2019
1.14Spigot8+declared23 Apr 2019
1.13Spigot8+declared18 Jul 2018

Download

From Iridium Skyblock [1.13-1.21.10]’s own host. Nothing is re-hosted here.

Version 4.1.5release26 Jul 2026

iridium-skyblock-1-13-1-21-10-Version 4.1.5.jar · 5.0 MB

Download latest
Older versions24
  • 4.1.45 Apr 20263.1k downloadsGet
  • 4.1.22 Nov 20256.1k downloadsGet
  • 4.1.119 Oct 2025723 downloadsGet
  • 4.1.020 Apr 202510.2k downloadsGet
  • 4.0.9.16 May 202427.8k downloadsGet
  • 4.0.915 Jan 202414.0k downloadsGet
  • 4.0.811 Nov 20237.6k downloadsGet
  • 4.0.721 Oct 20232.9k downloadsGet
  • 4.0.624 Sept 20234.6k downloadsGet
  • 4.0.512 Aug 20235.5k downloadsGet
  • 4.0.44 Aug 20231.5k downloadsGet
  • 4.0.36 Jul 20233.9k downloadsGet
  • 4.0.25 Jul 2023651 downloadsGet
  • 4.0.116 Jun 20232.4k downloadsGet
  • 4.0.01 Apr 20238.1k downloadsGet
  • 3.2.10-hotfix-1.228 Feb 20234.3k downloadsGet
  • 3.2.1025 Feb 20231.3k downloadsGet
  • 3.2.96 Nov 202211.5k downloadsGet
  • 3.2.828 Mar 202227.1k downloadsGet
  • 3.2.721 Mar 20222.4k downloadsGet
  • 3.2.67 Mar 20222.9k downloadsGet
  • 3.2.58 Feb 20225.4k downloadsGet
  • 3.2.47 Feb 2022973 downloadsGet
  • 3.2.313 Dec 202110.9k downloadsGet

Frequently asked

Does Iridium Skyblock [1.13-1.21.10] work on Minecraft 1.21?

Yes. 1.21 is the newest Minecraft version Iridium Skyblock [1.13-1.21.10] 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 Iridium Skyblock [1.13-1.21.10] support?

Everything the author has declared, from 1.13 up to 1.21. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Iridium Skyblock [1.13-1.21.10] on the client or the server?

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

Which server software does Iridium Skyblock [1.13-1.21.10] need?

Spigot. A build for one server platform will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Iridium Skyblock [1.13-1.21.10]?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the plugin itself.

How do I install Iridium Skyblock [1.13-1.21.10]?

Download the file from the author's own release, drop it into your server's plugins folder, and restart the server. It generates its configuration on first start. Check the Minecraft version matches the one your server runs.

Where do I download Iridium Skyblock [1.13-1.21.10] safely?

From the author's own page on SpigotMC, 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.

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Last checked 2 mo ago against SpigotMC. 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? .