Modscraper Modscraper Minecraft
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Slab Light

Mod

Removes directional light blocking from slabs and stairs so light passes through them freely, matching Bedrock behavior.

Type

Mod

Modrinth Downloads

12

Modrinth ID

VyDr7r1m

Last Updated

May 28, 2026

Description

**Slab Light **is a small Fabric mod that changes how light interacts with slabs and stairs in Java to match Bedrock behavior.

In vanilla Java, slabs and stairs have directional light opacity - their solid faces block light from passing through. For example, a torch placed below a bottom slab won't light up the space above it, because the slab's solid bottom face blocks upward light propagation.

In Bedrock, slabs and stairs don't block light at all - light passes freely through them in every direction.

This mod removes that directional restriction for single slabs and stairs, so light behaves the same way it does on Bedrock. Double slabs (full blocks) are unaffected. ** Requires Fabric API.**

Compatibility

Mod Loaders

Fabric

Game Versions

1.21.1 1.21.11

Screenshots

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External Resources