Ready to install?

Iris - Dimension Engine Iris v4.3.5 [NeoForge] 1.21.1+21.1.262.jar

Check the game version, loader and dependencies below, then grab this exact release.

CurseForge release

Iris v4.3.5 [NeoForge] 1.21.1+21.1.262.jar

Game
1.21.1
Loader
NeoForge
Published
22 Oct 2026
Channel
release
File size
11 MB

SHA-1ea258abe2e148c8a84367e150df0f0ff7df0a8f1

Where this file goes

Client, server, or both?

Client Source doesn’t say
Dedicated server Source doesn’t say

The source does not explicitly classify this release as client-only or server-only.

Dependencies for this release

What else does it need?

No required project dependencies are listed for this release.