
Modrinth · Minecraft modpack
Optimization
🪽 Maximum performance, eliminates stuttering, and speeds up anything while not breaking vanilla. Sodium, Vulkan, Embeddium and Celeritas.
Quick answer
Which Optimization release matches 1.19.4 Forge?
Rubidium-1.19.4-2.15 is a complete pack release for 1.19.4 with Forge 45.1.16. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 11 mods in this pack file.
Pack setup
How should I set up Optimization for players and a server?
Use Rubidium-1.19.4-2.15 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Optimization?
Rubidium-1.19.4-2.15 on 1.19.4 Forge. The pack contents and setup notes below stay tied to that release.
The selected pack release is Rubidium-1.19.4-2.15. That file is for Minecraft 1.19.4 with Forge 45.1.16. It contains 11 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Optimization?

⭐ 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
Project description from Modrinth.
Mods in Rubidium-1.19.4-2.15
Open any mod on Modpacks.ch to check its files and dependencies.
cad652d4d2dd2dabf016e6569ed0e45c5f2e02e3 · Modrinth version LXz6Mw0I · Project link unavailable Client onlyd795e802e3b3ec303330b0c361933842212008c0 · Modrinth version UgJanwuo · Project link unavailable Side not labelled12b14ac04363791c1adab0072b459812cec62cb9 · Modrinth version NB6TPjI8 · Project link unavailable Client only713989537a8533f758133627ee21e5f46bf3ca43 · Modrinth version zI3uKvrU · Project link unavailable Side not labelleda2dca3abb51b075dc6dbf946fd77bf4847cd2d16 · Modrinth version EU9Ig76K · Project link unavailable Client onlybcbbf4b16cba3d989e72974e09eeb142e8feafed · Modrinth version DBSdeovn · Project link unavailable Client only8519827c96190914ff720711a0661f3f42b2601a · Modrinth version NufUMuUS · Project link unavailable Side not labelledad26a9867040b41dd77039f6b55c54705639b3f3 · Modrinth version lCbMhmSa · Project link unavailable Client onlyebd8de760b848c27c38e7d9455e3530aff79a045 · Modrinth version ir0yKJaP · Project link unavailable Side not labelledd8b0d2a1466af86a7867152573ccb59778c2d895 · Modrinth version FpT1xZyZ · Project link unavailable Side not labelled3d80b848c966841deeeba70305e38a29b7e3788d · Modrinth version eUgPCLKt · Project link unavailable Side not labelledPick your setup
Optimization by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
2 loader builds26.1.2
2 loader builds26.1.1
1 loader build26.1
1 loader build1.21.11
2 loader builds1.21.10
2 loader builds1.21.9
1 loader build1.21.8
2 loader builds1.21.7
2 loader builds1.21.6
2 loader builds1.21.5
2 loader buildsShowing the newest 12 of 29 game versions. Older files are in the list below.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Optimization versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.
