Canary Mod 1.19.4 & 1.18.2 Performance Boost

Canary Mod is a performance mod for Minecraft that makes your game run much faster without changing anything about how it plays. It’s an unofficial fork of the Fabric mod Lithium, optimized for both servers and single-player worlds. Whether you’re running a big server or just want better frame rates solo, Canary handles the heavy lifting by optimizing core systems like physics, mob AI, and block ticking. The average server sees around 45% improvement to tick times, which means your hardware can support way more players and activity.

Single-player benefits too. Your game runs an internal server that ticks the world, so optimizing the server side frees up your CPU. You get smoother frame rates and better responsiveness. For multiplayer servers, the improvement is massive. Admins can push way more loaded chunks and entities without lag spikes.

What Canary Optimizes

Physics & Collision Detection

Entity collision detection is way faster now. Canary reduces collision resolution complexity for simple blocks and uses a more accurate algorithm to check fewer blocks each tick. This helps especially when entities move quickly.

Mob AI

Instead of constantly polling the world for changes, Canary uses an event-based system for mob tasks. Mob brains also select between different AI behaviors much quicker than vanilla.

World Generation

A lot of vanilla world generation calculations are pointless and don’t affect the final result. Canary cuts out this wasted overhead.

Chunk Loading

Temporary data structures during palette compaction are now way more efficient. This means fewer TPS drops when exploring new terrain and faster world load times. Verification operations are also batched to reduce disk I/O.

Mob Farms

Mob cramming costs way less now because collision resolution is smarter. Mob farms won’t tank your tick rate anymore.

Block Ticking

Block update settling after chunk generation and redstone contraptions are faster. Blocks can figure out if they’re scheduled to tick in O(1) time instead of O(n), which is huge when many blocks are ticking.

Explosions & TNT

TNT and explosions have a bunch of optimizations applied. Ray-tracing reuses previous steps when they hit the same block. Position tracking also avoids excessive memory allocations.

Point of Interest Lookups

Complex mobs like Villagers and Pillagers need to find points of interest to choose AI tasks. Vanilla requires 16 separate stream-heavy retrievals per chunk. Canary reduces it to one simple retrieval with a traditional iterator. That’s a 16-22x improvement.

Data Tracking

The internal data manager for entity state uses flat arrays and avoids expensive locking. Entity attributes get accessed faster during each game tick.

Redstone Wire

Calculating new power levels for redstone wire after a block update is expensive. Reducing blockstate checks without changing behavior cuts redstone dust lag by about 35%.

Installation

Canary requires Minecraft Forge.

See our guides: How To Download & Install Mods with Minecraft Forge or How To Download & Install Fabric Mods

Download Canary Mod

Minecraft 1.18.2

Minecraft 1.19.2

Minecraft 1.19.3

Minecraft 1.19.4

Check out more Minecraft Mods on 1Minecraft.