Polymer Patch for Deer Mod

A Polymer Patch mod for Deer Mod, allowing it to work fully server side!

139 Downloads

fabricmobs

Rent Server with this Mod

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About this Mod

Polymer Patch for Deer Mod

This is a patch for Deer Mod, making it work fully server side, with all of its functionality intact.

Deer Mod is required and not included within this mod.

This mod requires server resource pack, about which setup you can read here: https://polymer.pb4.eu/latest/user/resource-pack-hosting/

You can read more about Deer Mod on it's Modrinth page!

deer mod

Available Versions

Polymer Patch for Deer Mod 0.5.0+1.21.8beta

MC 1.21.8fabric

December 7, 2025

How to Install Polymer Patch for Deer Mod 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 (1.21.8).

Install Mod

Open the mod browser in the dashboard and search for "Polymer Patch for Deer Mod". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.8

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Polymer Patch for Deer Mod 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 (1.21.8). You can switch loaders with one click in the panel.

Is Polymer Patch for Deer Mod compatible with fabric?

Polymer Patch for Deer Mod officially supports fabric for Minecraft 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Polymer Patch for Deer Mod – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Polymer Patch for Deer Mod 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.