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.
Screenshots
About this Mod
🔩 Adaptive Performance Tweaks: Core (11.x Classic)
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.
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:
Available Versions
How to Install APTweaks: Core (11.x Classic) on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "APTweaks: Core (11.x Classic)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.6 (+11 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
APTweaks: Core (11.x Classic) server crashes on startup – what to do?
Most common cause: wrong forge 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 (1.21.1). You can switch loaders with one click in the panel.
Is APTweaks: Core (11.x Classic) compatible with forge and neoforge?
APTweaks: Core (11.x Classic) officially supports forge, neoforge for Minecraft 1.21.1, 1.21, 1.20.6. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with APTweaks: Core (11.x Classic) – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if APTweaks: Core (11.x Classic) 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.
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Rent Modded Server
Install APTweaks: Core (11.x Classic) with just one click on your server.