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Iris & Oculus Flywheel CompatMinecraft mod for 1.21.1

Enable Flywheel's optimizations when using shaderpacks.

client onlynewest supported 1.21.1Optimization
Latest version
1.21.1+2.4.0-release
Minecraft
1.18.2 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
CC0-1.0
Downloads
4.0M
Updated
4 mo ago
Available on
Modrinth
Space NodePartner

Host Iris & Oculus Flywheel Compat servers

One click and Iris & Oculus Flywheel Compat is installed with the right loader, on hardware built for it.

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

Minecraft versions

Every version Iris & Oculus Flywheel Compat declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge, Fabric21+declared8 Aug 2024
1.20.6Fabric, NeoForge, Forge21+declared29 Apr 2024
1.20.5Forge, NeoForge, Fabric21+declared23 Apr 2024
1.20.4Forge, NeoForge, Fabric17+declared7 Dec 2023
1.20.3Forge, NeoForge, Fabric17+declared4 Dec 2023
1.20.2Forge, NeoForge, Fabric17+declared20 Sept 2023
1.20.1Fabric, Forge, NeoForge17+declared12 Jun 2023
1.20NeoForge, Forge, Fabric17+declared2 Jun 2023
1.19.4Fabric, NeoForge, Forge17+declared14 Mar 2023
1.19.3Forge, NeoForge, Fabric17+declared7 Dec 2022
1.19.2NeoForge, Forge, Fabric17+declared5 Aug 2022
1.19.1NeoForge, Forge, Fabric17+declared27 Jul 2022
1.19Fabric, NeoForge, Forge17+declared7 Jun 2022
1.18.2Forge, Fabric, NeoForge17+declared28 Feb 2022

Download

From Iris & Oculus Flywheel Compat’s own host. Nothing is re-hosted here.

1.21.1+2.4.0-releaserelease6 May 2026

iris-flywheel-compat-NeoForge-2.4.0.jar · 0.9 MB · for 1.21.1

Download latest
192e5f00f2c1…
Older versions18
  • 1.21.1+2.3.1-release3 May 20261.21.10.9 MB83d76418ed67…Get
  • 1.21.1+2.3.0-release26 Apr 20261.21.10.9 MB60cb44a0f7a0…Get
  • 2.2.02 Mar 20261.21.10.8 MBdc612f6b3ffd…Get
  • 2.1.21 Feb 20261.21.10.9 MB216f78878c06…Get
  • 2.1.018 Jan 20261.21.10.8 MB055533292938…Get
  • 2.0.57 Oct 20251.21.10.1 MB4a6f54cd34d5…Get
  • 2.0.47 Jul 20251.21.10.1 MB83f81e143697…Get
  • 2.0.321 Jun 20251.20.1, 1.21.10.1 MBefa8b7fbc5b3…Get
  • 2.0.220 Jun 20251.21.10.1 MBb4d6cb810c73…Get
  • 2.0.115 Jun 20251.21.10.1 MB8cac2e9bddce…Get
  • 2.0.011 May 20251.21.10.1 MB52357ab2a5a1…Get
  • 1.1.46 Oct 20241.20.10.1 MB811874cef4a5…Get
  • 1.0.3b6 Oct 20241.19.20.1 MBd583f6a89116…Get
  • 1.1.3b6 Oct 20241.20.10.1 MB90ed612796ce…Get
  • 1.0.3a17 Aug 20241.19.20.6 MB81744fab042a…Get
  • 1.1.3a17 Aug 20241.20.10.6 MB19ee9e6abb37…Get
  • 1.0.317 Aug 20241.18.2, 1.19.20.5 MB132d00a21050…Get
  • 1.1.317 Aug 20241.20.10.5 MB61e17062409b…Get

Frequently asked

Does Iris & Oculus Flywheel Compat work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Iris & Oculus Flywheel Compat 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 Iris & Oculus Flywheel Compat support?

Everything the author has declared, from 1.18.2 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 Iris & Oculus Flywheel Compat on the client or the server?

The client only. There is nothing to install on the server, so it works on any server you can already join.

Which loader does Iris & Oculus Flywheel Compat need?

NeoForge, Forge, Fabric. 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 Iris & Oculus Flywheel Compat?

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 Iris & Oculus Flywheel Compat under?

CC0-1.0, 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 Iris & Oculus Flywheel Compat?

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 Iris & Oculus Flywheel Compat 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.

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Last checked 2 mo 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? .