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适用于 Minecraft 1.20.1, 1.21.1 的 LightSpeedRe - Launch optimizations 模组

通过显著加快整合包加载速度来减少你的等待时间(目前为 48% - 71%)

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已更新 31.10.2026

关于 LightSpeedRe - Launch optimizations 模组

This is a high-version (1.20.1+) port of the Lightspeed mod. It removes the model-baking optimizations that were already implemented in vanilla Minecraft 1.20.1, keeping only the resource-pack cache feature, which speeds up launch times. (Currently, only ports for Forge 1.20.1 and NeoForge 1.21.1 are planned.)

Since version 1.2.0+, this mod introduces high-concurrency loading to improve startup speed. If you encounter any issues while using this mod, please try disabling the related option in the configuration file.

如何安装 LightSpeedRe - Launch optimizations

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.20.1–1.21.1 on Forge or NeoForge automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Forge or NeoForge

    The loader must match the game version of the mod file, for example Minecraft 1.21.1. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file lightspeed-1.21.1-1.2.3.jar (78 KB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: LightSpeedRe - Launch optimizations should be in the list.

Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.

版本

含依赖项

Minecraft加载器文件日期操作
1.21.1NeoForgelightspeed-1.21.1-1.2.3.jar78.2 KB 10
1.20.1Forgelightspeed-1.20.1-1.2.3.jar236 KB 22

常见问题

Which Minecraft versions does LightSpeedRe - Launch optimizations work on?

There are files for 1.21.1, 1.20.1. The newest is 1.21.1.

Is LightSpeedRe - Launch optimizations for Forge or Fabric?

There are files for Forge: 1.20.1 and for NeoForge: 1.21.1. There are no files for Fabric: a mod for another loader will not start.

Does LightSpeedRe - Launch optimizations need other mods?

The author lists no required dependencies: the Forge or NeoForge loader is enough.

Which Java does LightSpeedRe - Launch optimizations need?

Minecraft 1.21.1 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.

Where can I download LightSpeedRe - Launch optimizations safely?

On this page: the file lightspeed-1.21.1-1.2.3.jar (78 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 1b8e908326e9777d0c9865834dc357a8354f367c.

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