Optimization Build for Minecraft 1.20.1, 1.21.1
🪽 Maximum performance, eliminates stuttering, and speeds up anything while not breaking vanilla. Sodium, Vulkan, Embeddium and Celeritas.

⭐ Optimization Modpack
This is a lightweight modpack focused on optimization, aiming to maximize performance. It consists only of well-chosen optimization mods, with no unnecessary mods included, which sets it apart from others

✨ Features
- Maximum performance
- Fast updates
- Pre-configured settings
- Wide selection(Sodium, Vulkan, Embeddium and Celeritas)
💽 Installation
- Use the Modrinth App or use other launchers that can install modpacks from Modrinth, such as PrismLaucher
- If you are using a official launcher, convert the .mrpack to .zip using the Modrinth Pack to Zip Converter
🧩Java and Flags
- Use Java Eclipse Temurin 25 with the following flags: -XX:+UseZGC -XX:+UseCompactObjectHeaders
- For more details, read the article
How to install Optimization
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the modpack for Minecraft 1.12–26.3 on Fabric, Forge or NeoForge automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Download the modpack archive
In the version list above, pick the file Optimization Sodium-26.3-2.3.mrpack (5 KB).
Import it into a launcher
A launcher that supports modpacks (Millida Launcher, Prism) takes the archive via “Add modpack”, then “From file”. No need to unpack it yourself.
Allocate memory
Modpacks need more memory than the plain game: set 4–6 GB in the profile settings.
On a server
Or use the “To hosting” button
On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.
Players install the same modpack
To join the server, every player needs the same modpack version.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 26.3 | Fabric | 26.34.9 KB 61 | ||
| 26.3 | NeoForge | 26.34.3 KB 2 | ||
| 26.3 | Fabric | 26.34.9 KB 5 | ||
| 26.3 | NeoForge | 26.34.3 KB | ||
| 26.3 | Fabric | 26.34.8 KB | ||
| 26.2 | Fabric | 26.24.9 KB | ||
| 1.21.11 | Fabric | 1.21.114.9 KB 6 | ||
| 1.21.1 | Fabric | 1.21.15.7 KB 4 |
What it needs to run
- Dependencyalready included
- More Cullingalready included
- ImmediatelyFastalready included
- Dependencyalready included
- Gnetumalready included
- Cloth Config APIalready included
- Sodiumalready included
- Dependencyalready included
- Concurrent Chunk Management Engine (NeoForge)already included
- Noxesiumalready included
- Dynamic FPSalready included
- Entity Cullingalready included
- Better Block Entitiesalready included
- Indiumalready included
- Fabric APIalready included
- ModernFix-mVUSalready included
- Concurrent Chunk Management Engine (Fabric)already included
- AsyncParticlesalready included
- Lithiumalready included
- ModernFixalready included
- Ixerisalready included
- Dependencyalready included
- FerriteCorealready included
- FastQuitalready included
FAQ
Which Minecraft versions does Optimization work on?
There are files for 1.12–26.3, 20 versions in total. The newest is 26.3.
Is Optimization for Forge or Fabric?
There are files for Fabric: 1.17–26.3, for Forge: 1.12–1.16.5 and for NeoForge: 26.3.
Where can I download Optimization safely?
On this page: the file Optimization Sodium-26.3-2.3.mrpack (5 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: e4ac0403c2485e3fd74a5f364b2de6a8b030625b.
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