
Modrinth · Minecraft modpack
Logically Optimized
(1.19.4-26.3) Introducing Logically Optimized! A lightweight performance modpack for vanilla-style Minecraft with faster loading, smoother gameplay, shader support, and essential QoL features.
Quick answer
Which Logically Optimized release matches 1.21.6?
Logically Optimized 1.21.6 v2.8.9 is a complete pack release for 1.21.6 with Fabric 0.19.2. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 36 mods in this pack file.
Pack setup
How should I set up Logically Optimized for players and a server?
Use Logically Optimized 1.21.6 v2.8.9 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 Logically Optimized?
Logically Optimized 1.21.6 v2.8.9 on 1.21.6. The pack contents and setup notes below stay tied to that release.
The selected pack release is Logically Optimized 1.21.6 v2.8.9. That file is for Minecraft 1.21.6 with Fabric 0.19.2. It contains 36 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 Logically Optimized?

Introducing Logically Optimized!
The Minecraft modpack includes everything you need! Enjoy smooth and enjoyable gameplay that keeps you engaged, extremely quick loading times. This modpack is for overall performance but also adds shader support, zooming features, adding resource packs, and shaders without quitting while you're playing the game.
You can use it in any world, any server!
Logically Optimized: It doesn't add extra content to the game, ensuring compatibility with nearly any world or server.
Performance
Logically Optimized is faster than other modpacks because it includes modern performance mods like Sodium and Lithium. And optimized the config file. These mods are safe to use in your worlds and can significantly improve speed on any device.
More than 300 FPS In RTX Laptop/PC (the RTX 30-50 series laptops/PCs can get guaranteed over 500 FPS)
150+ FPS In GTX Laptop/PC (maybe some of them are worse than that, and some of them are actually better than that a lot by getting over guaranteed 300 FPS)
OptiFine Features
Logically Optimized supports most OptiFine features, such as shaders, connected textures, and zoom!
Up to date
Logically Optimized receives quick updates and is one of the first modpacks to upgrade to newer versions of Minecraft.
Updating the modpack is simple and will retain your mod settings whenever possible.
Installation!
- Add the mods in the "/mods" folder.
- Put the config file in the ".minecraft/config" folder.
- Enjoy the game
Note: it's important to add options.txt; it gives you a better performance than what you think.
You need to remove the following mods below if you're using the Lunar client:
- 1. Modernfix.
- 2. C2ME.
- 3. ImmediatelyFast.
Feather client doesn't need to remove any mod from the modpack
labymod, and other client launchers, you need to remove some mods to work.
Need Support or having Issues?
Join our Logically Optimized discord server to chat, get help!
Project description from Modrinth.
Mods in Logically Optimized 1.21.6 v2.8.9
Open any mod on Modpacks.ch to check its files and dependencies.
2e3a1238b014a0cf7ea913c68b9802bf6c210bde · Modrinth version hln1vTm4 · Project link unavailable Client onlyac3a7d05b5496bc757a73ec0958c4cd1b4f8ae47 · Modrinth version nZ02Iiki · Project link unavailable Client only06293c2cf352f5a69d5125028d29662669e3d7a1 · Modrinth version b4wSwWuv · Project link unavailable Client only64116859db8c631a9446c00ffc9765656bcfd6e6 · Modrinth version CXRGCRvw · Project link unavailable Side not labelledd3bd78860580da556990726af3bed1169e69933e · Modrinth version cz0b1j8R · Project link unavailable Side not labelled9e06c18bd99e906bd9d6bb561c27ee384699020e · Modrinth version NrZTVzib · Project link unavailable Client only56c5a0617863c53cf7e338d6ff862d02801a1f75 · Modrinth version 5wVZFo2d · Project link unavailable Client onlyb273a883a3864108453a5d5f0b9e4f0a870c9579 · Modrinth version F5TVHWcE · Project link unavailable Side not labelledb6190b247c557c493dc4204121744f289a1d1837 · Modrinth version 2i87JpYj · Project link unavailable Side not labelledcd5b1d0292b7f861b61b7bd9d42769a63ad45c3b · Modrinth version Tavwj3mZ · Project link unavailable Client onlyda6c95208f751c96d8130747880e3995d8afba71 · Modrinth version LFUtSgNM · Project link unavailable Client onlyc44081dadc343918b3623dc69ef2d395fceed99c · Modrinth version ah71vPRw · Project link unavailable Client only974662c047d5eaa34d372be09409b8b754c223f4 · Modrinth version LdlksamY · Project link unavailable Side not labelled5b91e3b0b2e11c394e7725adac970f7450bc1a2b · Modrinth version r6qqFYXo · Project link unavailable Client onlya4c54ab5be38e75d8fc32900baef63a61a3129e5 · Modrinth version LlhEeSLj · Project link unavailable Client onlyad17f085506040b3be320cde489b365f4c7484f6 · Modrinth version 9JPEk4KN · Project link unavailable Client only70fc97aa5eef2df2085a078ecb17d6bfce6756dd · Modrinth version Rhzf61g1 · Project link unavailable Client only00c6dcb7f2bc4ca1c718936d2a0d2e069d4baedc · Modrinth version FwC35707 · Project link unavailable Client only78f513f63036bc8fa061b5ee1aa88d5779f5a52c · Modrinth version XWGBHYcB · Project link unavailable Side not labelled79319df68eb839956280834d086d65fb1c57b179 · Modrinth version JBMS9mK4 · Project link unavailable Side not labelled784e691d6635abb0ed82764a9502aae3fb96b260 · Modrinth version ve3rdBen · Project link unavailable Side not labelled25230ceed86d58915532d935bae6132364b530eb · Modrinth version ku5NivOP · Project link unavailable Client only30123de3b8a09db46968d721c7892f5fb2b6d292 · Modrinth version ivOsScf8 · Project link unavailable Client onlybcb55c2816544496434c918e5cc8785a0c43bbfe · Modrinth version G2i6IY0q · Project link unavailable Side not labellede9b718b492ac8636e933729463d6772713f827c2 · Modrinth version Po00WzJz · Project link unavailable Side not labelledf538eec8d6ec2e1af3c9e8ee73e4a4787abcd9cc · Modrinth version 1S1kjZ9W · Project link unavailable Side not labelled5d83119a31fd6da0c55682a113788e9b6b848142 · Modrinth version AgGRyydH · Project link unavailable Client only2e6c628a3afb8ed5f6ef227851a4d6aac249415e · Modrinth version 9u6QDj7x · Project link unavailable Client onlyc8871a354138763af96e96b1792ffa81a82e8289 · Modrinth version Bi5i8Ema · Project link unavailable Side not labelledc2219c02f4ba1e26e8f5d66674a444489f745a10 · Modrinth version 4tMdj2u4 · Project link unavailable Client only768ca85d3a016adb6a4d302ad341ad8944fd3706 · Modrinth version v7JHUEiF · Project link unavailable Client onlyc9ed2b00385ea191e81ea4da51c008755fe90a26 · Modrinth version 7pwil2dy · Project link unavailable Client only5e74b333b37745ee54cfbfbdbec5ef3d3eb7eb0d · Modrinth version aWatA9pi · Project link unavailable Side not labelled85932b3db38a6bb2161bf75b126a36c87040ce64 · Modrinth version iPLhsWMM · Project link unavailable Side not labelled34a584c0e0bfa9d94cb7cd9c16b4e70ca1b30789 · Modrinth version qETA8Qja · Project link unavailable Server only8e56f0a7c8fcd77e0c6472a4dfac50651d89b7c8 · Modrinth version LpSqZyo1 · Project link unavailable Client onlyPick your setup
Logically Optimized by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
1 loader build26.1.2
1 loader build26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader buildShowing the newest 12 of 19 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
Logically Optimized versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.