Mods for 1.20.3
107 mods match your filters.
Improves performance by tweaking mob despawn rules. Say bye to pesky unintentional persistent mobs.
A mod that aims to optimize the minecraft server.
Performance improvements for vanilla AI, with the ability to turn off certain AI behaviors
An efficient and non-locational redstone dust implementation
Speed up your world loading by removing unneeded chunks.
Vanilla Worldgen optimization mod
A modpack utility mod that allows to disable spawning of any entity.
Advancements optimization (specifically, InventoryChangeTrigger)
This mod fixes a bunch of crash exploits discovered in Minecraft.
Fixes the issue where grass and other small blocks obstruct Wither spawning!
Fixes incorrect snow generation on tree leaves MC-119599
Adds tags and configuration options for defining how dropped items should combine.
A lightweight mod that collects all dropped items and unnecessary entities for optimization.
Allows players to decorate their enchanting table setup by fixing the "enchantment power transmitter" block tag.
TT20 helps reduce lag by optimizing how ticks work when the server's TPS is low.
A simple mod that makes powered/activator rails turn on/off up to 20x faster.
Simulates blocks and entities to catch up after being unloaded for a period of time.
The core is required for all adaptive performance tweaks modules and provides a shared API, monitoring functionally, events and commands.
Parrots have been 'trained' to remain perched on your shoulders!
A performance-focused fork of Noisium that accelerates Minecraft's terrain generation through targeted optimizations. Generates chunks faster without altering world output.
Item clustering (fallen blocks, experience orbs, ...) and garbage cleanup.
Prevents player from spamming excessive recipe book packets to lag out the server
Optimizes Minecraft mob AI by scaling calculations based on distance to players, improving performance with as minimal gameplay impact as possible
Instantly collect items from mined blocks directly into your inventory with the AutoPickup mod. Mob loot & more configurable!