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Minecraft: Java Edition
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♻️ Adaptive Performance Tweaks: Items (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 keeps TPS/FPS stable by clustering dropped items and XP orbs and by cleaning up garbage entities. 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.
Item & XP optimization ♻️
- 🧲 Merges nearby dropped items to reduce entity count.
- ✨ Clusters XP orbs in range and combines their values.
- 🧹 Periodically cleans up excess/oldest items and adapts item lifespan to server load.
- ⚡ Mitigates lag from large farms, mining sessions, and big TNT explosions.
- 🔧 Pure server logic; no custom items are introduced.
Bundled modules 📦
Want everything at once? Install the bundled version:


