


ERA OF OPTIMIZATION IS BEING WORKED ON AGAIN FOR 1.21.5, PLEASE BE PATIENT FOR FUTURE UPDATES
What is Era of Optimization
Its a modpack made by all, for all. The main goal for this modpack is for one simple reason, simple make your preformance better. This modpack is fully vannila and is simple full of preformance mods like Sodium or Noisium, this also has some client side mods just for simplesitcy like JEI or AppleSkin.
Why would YOU want it
Well its simple... For fun, its simple... Actully very simple, its just for fun this was made for fun, whether you wanna build or if you wanna explore with friends it will probably be fun, and better. Have fun :)
Notes
Report error in the github
You want multiplayer without paying? Just add e4mc, though it may be laggy
For those of you that got not as good as a computer I recomomend just doing the shaders in medium or lower
Turns out the github is broken
Dedication
Thanks to all the mods, resource packs, shaders, and more for all the help. Yall make the MC community better.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as Era of Optimizationv1.1.mrpack
- Download size: 22 KB
- Download link checked 7 Sept 2026 — working
These come from our own check of the pack file, not from the source page.