Windows
Where Does Iris Shaders Store Settings and Packs?
Iris iris.properties, shaderpacks and Sodium options in .minecraft.
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Iris keeps its properties file plus shader packs in the standard .minecraft layout, with Sodium options beside them. The two mods version-lock together.
Update Iris and Sodium as a pair. Mismatched versions fail before the title screen finishes.
Where Iris Shaders stores this, by platform
Windows
%APPDATA%\.minecraft\config\iris.properties
Iris toggles in one file. Shader packs sit in .minecraft\shaderpacks; Sodium options live in sodium-options.json in the same config folder. Copy all three when migrating shader setups.
Frequently asked questions
Iris or OptiFine shader folder?
Both read .minecraft\shaderpacks, but their settings files above differ. Do not mix their option files.
Why does Iris crash on launch?
Usually a Sodium version mismatch. Match both mods to the same Minecraft version.
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