Starlight Mod (1.20.4, 1.19.4) rewrites the light engine to fix lighting performance and lighting errors. Starlight can be installed either on the dedicated server or client. It is not required to be installed on both sides. If you have Starlight on the server, clients can use Vanilla/Starlight to connect. Likewise, if you have Starlight on the client, you can connect to Vanilla/Starlight servers.

Starlight was developed for higher scale dedicated servers, as they suffered performance problems due to how ungodly slow the light engine was. The only solution was to create an extremely invasive mod which rewrote the entire light engine.

Features:

The graph below shows how much time the light engine was active while generating 10404 chunks:

  • Tested via LightBench.
  • World seed: vanillakekw.
  • CPU: Ryzen 9 5950X.

Below is a graph detailing how long light updates took for breaking/placing a block on a large platform at y = 254 down to a large platform at y = 0:

  • Tested via LightBench.
  • World is just a flat world with bedrock at y = 0 and grass at y = 254.
  • CPU: Ryzen 9 5950X.

Below is a graph detailing light update times for a simple glowstone place/break:

  • Tested via LightBench.
  • World is just a flat world with bedrock at y = 0 and grass at y = 254.
  • CPU: Ryzen 9 5950X.

Requires:

Minecraft Forge or Fabric API

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

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Starlight Mod (1.20.4, 1.19.4) Download Links

For Minecraft 1.17.1

Forge version: Download from Server 2

Fabric version:  Download from Server 2

For Minecraft 1.18.1

Forge version:  Download from Server 2

Fabric version: Download from Server 2

For Minecraft 1.18.2

Forge version:  Download from Server 2

Fabric version: Download from Server 2

For Minecraft 1.19

Forge version:  Download from Server 2

Fabric version: Download from Server 1

For Minecraft 1.19.2, 1.19.1

Forge version: Download from Server 1

Fabric version: Download from Server 1

For Minecraft 1.19.3

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.4

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.1, 1.20

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.2

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.4, 1.20.3

NeoForge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

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