

Impeccably Optimized is my entry into the unofficial "(insert adjective here) Optimized" club. This pack is built around stability, strong performance, visual improvements, and quality-of-life features that respect the vanilla experience.
Features
Performance
Includes top-tier performance mods like Sodium, Lithium, and more. Every mod has been chosen and tested with stability in mind to deliver smooth, consistent gameplay. No random crashes, no sketchy world issues, just reliable performance.
Fresh Coat of Paint
Several lightweight resource packs are included and enabled by default to give the game a more refined, modern look. Nothing over the top, just clean improvements. You can disable any of them at any time without breaking anything.
Shaders for Everyone
Iris comes bundled with five shaderpacks: BSL Shaders, Complementary Shaders Reimagined, Complementary Shaders Unbound, MakeUp Ultra Fast, and Solas Shaders. They are sorted in-game from most visually intense to most performance friendly, so you can quickly pick what fits your preference and your computer's preference. Whether you want cinematic lighting or subtle shading that runs on your 🥔 PC, there is an option for you.
Quality of Life
A handful of subtle client-side mods make everyday gameplay smoother. Mods like Just Zoom, LambDynamicLights, Leave My Bars Alone, and a few others improve comfort without changing core mechanics.
Play with Friends
e4mc is included by default. It lets you open your singleplayer world to LAN and generates an IP address your friends can join. No complicated port forwarding, no network headaches.
Vanilla Friendly
Most importantly, Impeccably Optimized works on all multiplayer servers. Every mod is client-side only, so nothing conflicts with server environments. There are no unfair advantages or gameplay-altering features, just a better way to experience vanilla Minecraft.
Credits
Some content has been added to this pack that is not hosted on Modrinth. Credit is provided here:
Vanilla Tweaks: https://vanillatweaks.net/
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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 Impeccably Optimized 1.0.0.mrpack
- Download size: 2.4 MB
- Download link checked 23 Aug 2026 — working
These come from our own check of the pack file, not from the source page.