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APTweaks: Core (11.x Classic) project artwork

CurseForge · Minecraft mod

APTweaks: Core (11.x Classic)

The core is required for all adaptive performance tweaks modules and provides a shared API, monitoring functionally, events and commands.

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

Quick answer

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

Updated 5 months ago
Latest stable file adaptive_performance_tweaks_core_1.21.1-11.6.1.jar
Game version 1.21.1
Loader Forge

APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar targets 1.21.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

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

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
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

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar need?

adaptive_performance_tweaks_core_1.21.1-11.6.1.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

5 listed on this file 4 pulled in by those mods
APTweaks: Items (11.x Classic) Optional for APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar
optional
Matching file found Matched file: adaptive_performance_tweaks_items_1.21.1-11.6.1.jar
APTweaks: Spawn (11.x Classic) Optional for APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar
optional
Matching file found Matched file: adaptive_performance_tweaks_spawn_1.21.1-11.6.1.jar
APTweaks: Gamerules (11.x Classic) Optional for APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar
optional
Matching file found Matched file: adaptive_performance_tweaks_gamerules_1.21.1-11.6.1.jar
APTweaks: Mods (11.x Classic) Optional for APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar
optional
No matching file
APTweaks: Core (11.x Classic) Needed by APTweaks: Items (11.x Classic)
pulled in
Matching file found Matched file: adaptive_performance_tweaks_core_1.21.1-11.6.1.jar
Configured Needed by APTweaks: Items (11.x Classic)
pulled in
Matching file found Matched file: Configured 2.6.3
Catalogue Needed by Configured
pulled in
Matching file found Matched file: Catalogue 1.11.2
Framework Needed by Configured
pulled in
Matching file found Matched file: Framework 0.13.11

4 extra mods were pulled in by other dependencies. 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: Core (11.x Classic) without breaking your instance.

Built for APTweaks: Core (11.x Classic) adaptive_performance_tweaks_core_1.21.1-11.6.1.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use adaptive_performance_tweaks_core_1.21.1-11.6.1.jar. It targets 1.21.1 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside adaptive_performance_tweaks_core_1.21.1-11.6.1.jar. It opens that exact file at the source.

About this project

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

🔩 Adaptive Performance Tweaks: Core (11.x Classic)

APTweaks: Core Versions

Download on CurseForge CurseForge Downloads

Download on Modrinth Modrinth Downloads

ℹ️ APTweaks 11.x Classic Module

This module is part of the classic Adaptive Performance Tweaks 11.x module system. Existing 11.x modpacks can continue using it.

For new installations and future feature updates, use the new all-in-one version: Adaptive Performance Tweaks

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

Adaptive Performance Tweaks: Core

Server-side Forge module that provides the shared foundation for all APTweaks modules: API, monitoring, events, and commands. 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.

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.

Core capabilities 🔩

  • Shared API for all APTweaks modules.
  • Central monitoring and metrics.
  • Common events and command handling.

Bundled modules 📦

Want everything at once? Install the bundled version:

➡️ Install the bundled version

Project description from CurseForge.

Pick your setup

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

96 of 96 releases match

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

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