
Modrinth · Minecraft modpack
Ultra Fast Optimization
This is a concise and high-performance optimization modpack, aiming to support those less commonly used Minecraft versions.
Quick answer
Which Ultra Fast Optimization release matches 1.19.4?
Ultra Fast Optimization 1.19.4-Fabric-1.0.0 is a complete pack release for 1.19.4 with Fabric 0.19.3. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 28 mods in this pack file.
Pack setup
How should I set up Ultra Fast Optimization for players and a server?
Use Ultra Fast Optimization 1.19.4-Fabric-1.0.0 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 Ultra Fast Optimization?
Ultra Fast Optimization 1.19.4-Fabric-1.0.0 on 1.19.4. The pack contents and setup notes below stay tied to that release.
The selected pack release is Ultra Fast Optimization 1.19.4-Fabric-1.0.0. That file is for Minecraft 1.19.4 with Fabric 0.19.3. It contains 28 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 Ultra Fast Optimization?
Introduction
This modpack is dedicated to improving the performance of those less commonly used Minecraft versions, delivering more FPS and a smoother experience for players. On the 1.20.6 Fabric version, it boosts frame rates by 170%–220% compared to vanilla.
The modpack can also serve as a foundation—you can add more mods on top of it, or even create your own modpack based on it.
License
The Ultra Fast Optimization Modpack is made available under the CC0 1.0 Universal Public Domain Dedication. By applying this dedication, the licensor waives all copyright and related rights in the work, to the extent permitted by law, and dedicates the work to the public domain.
You are permitted to use the work for any purpose, including commercial use, and may freely copy, modify, distribute, perform, display, or provide network services based on it, without any requirement to retain the original attribution or license notice. However, you may not imply or state that the original author endorses or supports your use of the work.
The modpack is provided “as is”, without any warranties of any kind, either express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or non‑infringement. In no event shall the authors or copyright holders be liable for any claim, damages, or other liability arising from, out of, or in connection with the use or performance of the work.
This notice is a brief summary only. For the full legal terms, please refer to the official legal text of the CC0 1.0 Universal license.
Project description from Modrinth.
Mods in Ultra Fast Optimization 1.19.4-Fabric-1.0.0
Open any mod on Modpacks.ch to check its files and dependencies.
3a4bed989c1c76e3c94c1ef918f58d40652f4492 · Modrinth version PaktOtpC · Project link unavailable Server only330c0dd1f933d4ae5911cddc04324541dd0aea07 · Modrinth version xhGlhCut · Project link unavailable Client only5c681eb7358d91faf52c7b57d590c4fa274a6847 · Modrinth version uZ1nQtIu · Project link unavailable Side not labelled5ece58864755dd67c779b0e8d1b366ca16ddae2d · Modrinth version jAdt9S90 · Project link unavailable Client only77c032108f6b9894e23fec739f5486758e40f317 · Modrinth version qI7b546m · Project link unavailable Side not labelled97ffe54d7f5294fe6c8b529f51ef4b208b3ab1a7 · Modrinth version Xdo5ZiRc · Project link unavailable Client onlye70dffbe7eab635fd976f209d1642c6917d9c443 · Modrinth version 6IrZzIsS · Project link unavailable Client only586ac174c831da9fd35edce1e36eb14c7f878ce3 · Modrinth version nyAmoHlr · Project link unavailable Side not labelled5d654a6bcba251d7619cea6053c5eeaf56a3fa0a · Modrinth version 5HxlwbWf · Project link unavailable Client onlybcfb81808c318356e7a7a4544be27b220fecfd96 · Modrinth version ZoOH4tOq · Project link unavailable Client only5977083d97739d5a3adaadef6154ac80907535b9 · Modrinth version g85fdqxk · Project link unavailable Client only956a23c27590dd14195128708cd6e59b057a10dc · Modrinth version ezKTj0NE · Project link unavailable Client only55638e279d8a19ea5df67ff86feb6350e95376e1 · Modrinth version oYQsfz9e · Project link unavailable Client only1b7a1a5831fc39a0a74582497be9bb03dcb9f7f6 · Modrinth version wN6PuLPa · Project link unavailable Client only264fd2cddba7f3a6a467bea77fabd87b32a7e4fd · Modrinth version iI0sa9zh · Project link unavailable Client onlyfb9166a88757582c5b8ca1627a0a275c05db4a5d · Modrinth version Tncui9tU · Project link unavailable Side not labelled0dfa8b03ed408fb7fdada29e01cfebba02af1049 · Modrinth version 4SHylIO9 · Project link unavailable Side not labelled69aa137957af4f0f701f6a7663c6d8646f84a1cc · Modrinth version 14hWYkog · Project link unavailable Side not labellede576d2819e3159dda78c2c426b9d00706a853124 · Modrinth version w9TQbkdu · Project link unavailable Side not labelled53ec153757699d3998f74891d8ac8ef13b3da2aa · Modrinth version LXlsO4Vo · Project link unavailable Side not labelledab2736e00597ba8b11e4f58573eb49c79e0417b4 · Modrinth version lMqXEzUw · Project link unavailable Client only91d4fdb4786d2dfe56a84dff552bcadbebc88cec · Modrinth version A9LKf67q · Project link unavailable Client only24c6ca2ad9b6aa912bfdcee1a51166241bf8bed8 · Modrinth version 96ZSLN3d · Project link unavailable Side not labelled4a44da582bd62761f2f7d5eb8a9753a132a72427 · Modrinth version vjKE54Zq · Project link unavailable Client only7e6d64f8a5ac5a64be79547e4a9a7d21e9f5597f · Modrinth version YknbqkHe · Project link unavailable Client onlyb060680929d7a6d130fb980a9f9907461df05fa1 · Modrinth version b4hTi3mo · Project link unavailable Client onlyde6fe932555604345477db89b59d59249909c640 · Modrinth version qH1xCwoC · Project link unavailable Side not labelled9ea0bfbc3c222cb04aa65e5a67473922f8d69058 · Modrinth version ih5xzhim · Project link unavailable Server onlyPick your setup
Ultra Fast Optimization by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.8
2 loader builds1.21.5
1 loader build1.21.4
2 loader builds1.20.6
1 loader build1.20.4
1 loader build1.19.4
1 loader build1.19.2
2 loader builds1.18.2
2 loader builds1.17.1
1 loader build1.16.5
2 loader buildsMade local changes? Try them in a copied instance before touching a world you care about.
Recent files
Ultra Fast Optimization versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.