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APTweaks: Spawn (11.x Classic) project artwork

Modrinth · Minecraft mod

APTweaks: Spawn (11.x Classic)

Optimization for monster spawn events and spawner.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which APTweaks: Spawn (11.x Classic) release should I use?

Updated 8 months ago
Latest stable file 11.6.1
Game version 1.21.1
Loader Forge

APTweaks: Spawn (11.x Classic) 11.6.1 targets 1.21.1 with Forge. Do not install it on the client. It must be installed on the dedicated server. All 1 required mods have matching files.

Where it goes

Is APTweaks: Spawn (11.x Classic) required on the client, server, or both?

Do not install it on the client. It must be installed on the dedicated server.

Client Not supported
Dedicated server Required
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked server-only.

What else does APTweaks: Spawn (11.x Classic) 11.6.1 need?

11.6.1. Change the file and its required mods may change too.

All 1 required mods have matching files

Install APTweaks: Core (11.x Classic) first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.

4 listed on this file 1 pulled in by one of those mods

1 extra mod was pulled in by another dependency. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.

Before you install it

Add APTweaks: Spawn (11.x Classic) without breaking your instance.

Built for APTweaks: Spawn (11.x Classic) 11.6.1. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 11.6.1. It targets 1.21.1 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    Install APTweaks: Core (11.x Classic) first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.

  3. 03

    Put it on the correct side

    Do not install it on the client. It must be installed on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 11.6.1. It opens that exact file at the source.

About this project

What does APTweaks: Spawn (11.x Classic) add?

👾 Adaptive Performance Tweaks: Spawn (11.x Classic)


Download on Modrinth
Modrinth Downloads

ℹ️ 11.x Classic Module

This module belongs to the classic Adaptive Performance Tweaks 11.x module system and remains available for existing modpacks.

New features and active development continue in the new all-in-one version:
Adaptive Performance Tweaks

⚠️ Do not use this module together with Adaptive Performance Tweaks 12.x or newer.

Adaptive Performance Tweaks: Spawn

Server-side Forge module that optimizes mob spawning: smarter distribution, spawn limits, and
spawner tweaks to keep entity counts under control.
Works standalone on the server; clients are optional.

Status ✅

Stable 11.x Classic / LTS module for existing Forge modpacks.

Critical fixes and compatibility updates may be provided when needed. New features, new loader support, and modern Minecraft version updates are developed in the new all-in-one Adaptive Performance Tweaks version.

Requirements 🧩

Requires Adaptive Performance Tweaks: Core

Features ✨

  • Server-side only; clients do not need to install the mod.
  • Pick only the modules you want; highly configurable via config files.
  • No core/mixin patches → broad mod compatibility.
  • Built-in debug info to see what the optimizer is doing.

⚠️ Always keep regular backups of your world.

Spawn optimizations 👾

  • Optimized mob spawn calculations around the player for better distribution and fewer entities.
  • Basic spawn control: per-player/world caps, allow/deny lists, and presets for popular mods.
  • Adaptive spawn rate considers players, caps, server load, and game difficulty.
  • Spawner optimization: track loaded spawners and apply lightweight tweaks.
  • Configurable via adaptive_performance_tweaks/spawn/*.toml.

Bundled modules 📦

Want everything at once? Install the bundled version:

➡️ Install the bundled version

Project description from Modrinth.

Pick your setup

APTweaks: Spawn (11.x Classic) by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

15 available setups

Showing the newest 12 of 14 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

APTweaks: Spawn (11.x Classic) versions and loaders

47 of 47 releases match

Looking for an older file? The official Modrinth project page is in Resources.