Iris Shaders
A modern shader pack loader for Minecraft intended to be compatible with existing OptiFine shader packs
Screenshots
About this Mod
Links
- Visit our website for downloads and pretty screenshots!
- Visit the shaders section to find shader packs!
- Visit our Discord server to chat about the mod and get support! It's also a great place to get development updates right as they're happening.
- Visit the developer documentation for information on developing, building, and contributing to Iris!
Installation
You can find a guide to installation here.
FAQ
- Find answers to frequently asked questions on our FAQ page.
- Iris supports almost all shaderpacks, but a list of unsupported shaderpacks is available here.
- A list of unfixable limitations in Iris is available here.
More Info
More info can be found on our README.
Available Versions
How to Install Iris Shaders on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (26.2).
Install Mod
Open the mod browser in the dashboard and search for "Iris Shaders". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.2, 26.1.2, 26.1.1 (+31 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Iris Shaders server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.2). You can switch loaders with one click in the panel.
Is Iris Shaders compatible with fabric and neoforge and quilt?
Iris Shaders officially supports fabric, neoforge, quilt for Minecraft 26.2, 26.1.2, 26.1.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Iris Shaders – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Iris Shaders consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Iris Shaders with just one click on your server.