This is intended for use on Modern Beta SMP
This mod attempts to fix the client side - server block placement mismatch which causes small bugs such as fences connecting to solid blocks for a brief moment.
This also fixes the face culling prediction of stairs and slabs so you no longer have slabs and stairs that flicker transparent for a brief moment
This also fixes the stair placement direction prediction so no more stairs changing directions after they've been placed (havent tested this a ton)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as BetaBlockPlacement.jar — drop this file into the mods folder
- Download size: 37 KB
- Download link checked 24 Aug 2026 — working
These come from our own check of the pack file, not from the source page.