Menu
Launcher
What's new?
Launcher functionality
Download
Total downloads: 100000
What's new?
What's new?Latest KLauncher updates and newsRead →
Minecraft
Download Minecraft
Mods
Modpacks
Maps
Shaders
Texture packs
Skins and capes
Skins and capesNew skins every day! Install HD skins or a cape right now!Install →
Download Minecraft
Download MinecraftAll Minecraft versions — from oldest to newestView →
Servers
Servers
Add your server
Categories
Mini-games
Survival
Anarchy
EnvyWorld
EnvyWorldExciting battles, unique plugins. Join us, become a legend!View →
Store
Minecraft License
Animated Capes
My Purchases
Store Promotions
Store PromotionsDiscounts, new collections and special offersView →
Community
Post feed
Create post
My posts
Progress
Top players
Awards
Collections
Services
Services
SKINDERYour assistant in choosing skins
KL:CODEBonus codes
KL:DROPSpin and earn
KL:WORDLEGuess the word of the day
BonusesGet free bonuses for completing tasks
Tools
Achievement GeneratorCreate your own cool achievement
Crafting RecipesCreation recipes for all items and blocks
Skin EditorDraw and edit skins online
Cape editorDraw and edit capes and elytras online
KLauncher Knowledge BaseGuides and knowledge base
VKontakte Support24/7 support — message us on VK and we'll help solve any issue
Telegram Support24/7 support — get fast help in our Telegram bot
RU
RU
EN
ES
FR
HI
JA
KO
MS
PT
TR
Download
Log in
Back
Search
Immersive OptimizationAuthor: Conczin
11M 1.21PerformancePerformanceServer UtilityUtility & QoLMobs
Download
Install
Description
Versions
Dependencies
Fabric APICore API library for the Fabric toolchain
207MJune 16, 2026December 12, 20181.8M 1.21
Download
Install
PerformanceAPI and Library
Information
Project ID:1163206
Date of creation:December 24, 2024
Date of update:June 8, 2026
Website:Open
Main version:
1.2106/08/2026Forge
Download the mod for other versions
Download the mod for the version
1.2106/08/2026Forge
1.2106/08/2026Forge
1.2106/08/2026Forge
Download the mod for other versions
Footer, KLauncher stars
Footer, KLauncher sea
KL:AUNCHERBy downloading and installing our software, you accept the terms and conditions License Agreement  and  Privacy Policies
Offer AgreementLauncher is not affiliated with Mojang AB and adheres to its EULA policy.
© KLauncher LLC 2020 - 2026
Home pageMonitoringCommunityStore
SkinsCapesAll versions of MinecraftModsHelp