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ItemsAdderBlocksInjectorMinecraft plugin for 1.21

Hack to inject blocks into the game blocks registry and change their texture on the client

server onlynewest supported 1.21
Latest version
0.0.23
Minecraft
1.18 to 1.21
Loader
Spigot
Licence
not stated
Downloads
2.5k
Updated
9 mo ago
Available on
SpigotMC
Space NodePartner

Host ItemsAdderBlocksInjector servers

One click and ItemsAdderBlocksInjector 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 ItemsAdderBlocksInjector 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

Download

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

0.0.23release30 Oct 2025

itemsadderblocksinjector.external

Download latest
Older versions17
  • 0.0.2118 Jul 2025125 downloads
  • 0.0.2016 Jul 202526 downloads
  • 0.0.1910 Jul 202555 downloads
  • 0.0.1810 Jun 202575 downloads
  • 0.0.1710 Jun 202510 downloads
  • 0.0.163 Mar 2025134 downloads
  • 0.0.153 Sept 2024238 downloads
  • 0.0.141 Feb 2024334 downloads
  • 0.0.1312 Dec 2023178 downloads
  • 0.0.113 Jul 2023312 downloads
  • 0.0.104 May 2023190 downloads
  • 0.0.920 Feb 2023208 downloads
  • 0.0.89 Feb 202394 downloads
  • 0.0.719 Dec 2022196 downloads
  • 0.0.622 Nov 2022112 downloads
  • 0.0.513 Jun 2022283 downloads
  • 0.0.419 May 2022146 downloads

Frequently asked

Does ItemsAdderBlocksInjector work on Minecraft 1.21?

Yes. 1.21 is the newest Minecraft version ItemsAdderBlocksInjector 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 ItemsAdderBlocksInjector support?

Everything the author has declared, from 1.18 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 ItemsAdderBlocksInjector on the client or the server?

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

Which server software does ItemsAdderBlocksInjector 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 ItemsAdderBlocksInjector?

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 ItemsAdderBlocksInjector?

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 ItemsAdderBlocksInjector 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.

Last checked 6 d 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? .