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Moss Fix modern port

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Moss Fix modern port

By ItamioOwner , Noobyboom

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Fixes moss by allowing it to spread under transparent blocks

Mod Loaders
Minecraft
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About

Description

Moss Fix — Modern Port for Minecraft 26.3 (Fabric)

Fixes moss by allowing it to spread under transparent blocks.

Vanilla only lets you bonemeal moss when there's air above it, so moss refuses to spread under glass, slabs, and other transparent blocks. Moss Fix checks instead whether the block above is a redstone conductor — if it isn't, the moss can spread. Simple, server-side, no gameplay changes beyond the fix.

Now with a modern port for Minecraft 26.3 (Fabric).

What it does

  • Moss blocks are bonemealable when the block above is not a redstone conductor
  • Works under transparent blocks (glass, slabs, etc.)

Port changes vs. the original

  • Target class updated: BonemealableFeaturePlacerBlock in 26.3 (was MossBlock before 1.21.2)
  • The original's optional datapack spread system (cobblestone/sand datapacks) is not ported — the core fix is preserved

Modern port notes (26.3)

  • Java 25 · Fabric Loader 0.20.1+ · Fabric API 0.165.0+26.3
  • Built and verified in CI via GitHub Actions, including a headless runtime test that launches the client, joins a world, and quits cleanly

Installation

  1. Install Fabric Loader for Minecraft 26.3
  2. Install Fabric API
  3. Drop mossfix263-*.jar into your mods folder

Original mod & credit

This is an unofficial modern port by Itamio of Moss Fix Remastered by gamma-02 — the original (549k downloads on Modrinth, last updated for 1.21.9) has not been updated to 26.3.

All credit for the original concept, design, and logic goes to gamma-02. This port exists to bring it to Minecraft 26.3. See NOTICE.

Moss Fix — Modern Port for Minecraft 26.3 (Fabric)

Fixes moss by allowing it to spread under transparent blocks.

Vanilla only lets you bonemeal moss when there's air above it, so moss refuses to spread under glass, slabs, and other transparent blocks. Moss Fix checks instead whether the block above is a redstone conductor — if it isn't, the moss can spread. Simple, server-side, no gameplay changes beyond the fix.

Now with a modern port for Minecraft 26.3 (Fabric).

What it does

  • Moss blocks are bonemealable when the block above is not a redstone conductor
  • Works under transparent blocks (glass, slabs, etc.)

Port changes vs. the original

  • Target class updated: BonemealableFeaturePlacerBlock in 26.3 (was MossBlock before 1.21.2)
  • The original's optional datapack spread system (cobblestone/sand datapacks) is not ported — the core fix is preserved

Modern port notes (26.3)

  • Java 25 · Fabric Loader 0.20.1+ · Fabric API 0.165.0+26.3
  • Built and verified in CI via GitHub Actions, including a headless runtime test that launches the client, joins a world, and quits cleanly

Installation

  1. Install Fabric Loader for Minecraft 26.3
  2. Install Fabric API
  3. Drop mossfix263-*.jar into your mods folder

Original mod & credit

This is an unofficial modern port by Itamio of Moss Fix Remastered by gamma-02 — the original (549k downloads on Modrinth, last updated for 1.21.9) has not been updated to 26.3.

All credit for the original concept, design, and logic goes to gamma-02. This port exists to bring it to Minecraft 26.3. See NOTICE.