Slime Unfix
Reverts the changes to slime blocks in Minecraft 1.21.2 snapshots and pre-releases
About this Mod
Reverts the changes made to slime blocks in Minecraft 1.21.2 snapshots and pre-releases
The mod is both client-sided and server-sided, and must be installed on both client and server to work properly
Changes:
- Sneaking on slime block deals fall damage
- Holding jump on slime block cancels the bounce
Available Versions
How to Install Slime Unfix 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 (1.21.10).
Install Mod
Open the mod browser in the dashboard and search for "Slime Unfix". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.10, 1.21.9, 1.21.8 (+3 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Slime Unfix 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 (1.21.10). You can switch loaders with one click in the panel.
Is Slime Unfix compatible with fabric?
Slime Unfix officially supports fabric for Minecraft 1.21.10, 1.21.9, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Slime Unfix – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Slime Unfix 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.
Similar Mods
Rent Modded Server
Install Slime Unfix with just one click on your server.