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Invasive OptimizationsMinecraft mod for 1.21.1

Invasive optimizations for other mods. If you experience any issues, disable this mod first!

client and servernewest supported 1.21.1Optimization
Latest version
1.0.22
Loader
NeoForge
Licence
MIT
Downloads
776
Updated
8 d ago
Available on
Modrinth
Space NodePartner

Host Invasive Optimizations servers

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

  • 1.21.1
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Invasive Optimizations declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024
1.21NeoForge21+declared13 Jun 2024

Download

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

1.0.22release25 Jul 2026

invasiveopts-1.0.22.jar · 0.3 MB · for 1.21, 1.21.1

Download latest
242da7099e0e
Older versions21
  • 1.0.2122 Jul 20261.21, 1.21.10.3 MB84 downloadse44bd4a6ce63Get
  • 1.0.2022 Jul 20261.21, 1.21.10.2 MB18 downloads9370631555ddGet
  • 1.0.1919 Jul 20261.21, 1.21.10.2 MB292 downloads205f75ec2e6dGet
  • 1.0.1818 Jul 20261.21, 1.21.10.2 MB20 downloads431bcf649b44Get
  • 1.0.1716 Jul 20261.21, 1.21.10.2 MB17 downloads47a153220562Get
  • 1.0.169 Jul 20261.21, 1.21.10.2 MB25 downloadsf44f14b6e185Get
  • 1.0.1522 Jun 20261.21, 1.21.10.2 MB43 downloads44850b043d60Get
  • 1.0.1421 May 20261.21, 1.21.10.2 MB97 downloadscfe1a3468f21Get
  • 1.0.1319 May 20261.21, 1.21.10.2 MB20 downloads664702d254afGet
  • 1.0.1219 May 20261.21, 1.21.10.2 MB9 downloads576eda7fd5afGet
  • 1.0.1118 May 20261.21, 1.21.10.1 MB12 downloads19af61a79ab7Get
  • 1.0.107 May 20261.21, 1.21.10.1 MB44 downloads2d8fc8747ef7Get
  • 1.0.97 May 20261.21, 1.21.10.1 MB21 downloadsd667cf0b498cGet
  • 1.0.85 May 20261.21, 1.21.10.1 MB20 downloadsc8ad06e11d41Get
  • 1.0.75 May 20261.21, 1.21.10.1 MB14 downloads6cf9002c34e1Get
  • 1.0.65 May 20261.21, 1.21.10.1 MB10 downloads04a9346c4504Get
  • 1.0.54 May 20261.21, 1.21.10.1 MB13 downloadsce7ca013df51Get
  • 1.0.41 May 20261.21, 1.21.10.1 MB20 downloadsb85ecd55125aGet
  • 1.0.31 May 20261.21, 1.21.10.1 MB18 downloadsbedf84e457c7Get
  • 1.0.21 May 20261.21, 1.21.10.0 MB12 downloadsffcb9d176b41Get
  • 1.0.029 Apr 20261.21, 1.21.10.0 MB12 downloads3f95296b350dGet

Frequently asked

Does Invasive Optimizations work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Invasive Optimizations 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 Invasive Optimizations support?

Everything the author has declared, from 1.21 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Invasive Optimizations on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which loader does Invasive Optimizations need?

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

Which Java version do I need for Invasive Optimizations?

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 mod itself.

What licence is Invasive Optimizations 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 Invasive Optimizations?

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 Invasive Optimizations safely?

From the author's own page on Modrinth, 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 Modrinth. 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? .