MINECRAFT LITHIUM CLIENT 1.9+

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About us this client 

Want to help support development?

Lithium is made possible thanks to the awesome supporters. Each pledge allows us to spend more time working on mods like these while helping to cover a few expenses.

Donate to 2No2Name (Lithium development for Minecraft 1.15 - 1.19+):

And special thanks to everyone else who helped with the development of Lithium. If you'd like to help contribute, you can take a look at our pull requests.

 

You can join our discord community with support and discussion channels:

Server tick time (mspt) graph before and after installing Lithium. Measurements made in an existing world at a render distance of 18.

 

Lithium for Fabric

Code license  

Lithium is a general-purpose optimization mod for Minecraft which works to improve a number of systems (game physics, mob AI, block ticking, etc) without changing any behavior. It works on both the client and server, and can be installed on servers without requiring clients to also have the mod. With the mod installed, you can see on average a 45% improvement to server tick times, resulting in a much leaner game.

Even in single-player, your game runs an "integrated server" which ticks the world your player is in. Through optimizing the server-side of the game, this can free up your computer's processor to focus on other tasks, resulting in improved frame rates and responsiveness. For multiplayer servers, administrators can expect a sizeable improvement to tick times, allowing their hardware to support more loaded entities, chunks, and players.

If you aren't using it already as well, Phosphor and Sodium both pair great with Lithium and are fully compatible.

Installation

Make sure you have the latest version of Fabric Loader present and then simply drop the mod into your mods folder. No other mods or additional setup (not even Fabric API!) is required.

You do not need to create new worlds in order to take advantage of the mod.

Features

You might be curious by now as to what exactly Lithium is doing in order to achieve such significant gains, and I'm happy you are! You can read about (some) of the changes we make in the spoiler below.

Spoiler (click to show)

Configuration

Lithium makes use of an unusual configuration system which can be used to enable or disable certain patches. This system allows fine-grained control over what code is modified by Lithium, and as such, can be used to completely eliminate bugs or mod incompatibilities introduced by the mod. For more information, please read the wiki entry on modifying your configuration file. An empty configuration file is perfectly normal and just means you want to use the default options.

Modpack Permissions

This is a free and open-source project on CurseForge, and as such-- of course you can include it in your modpack! While not required, it's much appreciated if you link back to Lithium's project page and Patreon in your mods list or credits page.

Reporting Issues

Please use the issue tracker linked at the top of the page to report bugs, crashes, and other issues. The Curseforge comments section is not the place to report these kinds of problems and will likely result in you being asked to forward it along

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