
Modrinth · Minecraft modpack
V2O5
Vanilla Optimization Pack primarily optimized using VulkanMod
Quick answer
Which V2O5 release should I use?
V2O5 1.3.0-1.21.1 is a complete pack release for 1.21.1 with Fabric 0.19.5. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 73 mods in this pack file.
Pack setup
How should I set up V2O5 for players and a server?
Use V2O5 1.3.0-1.21.1 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 V2O5?
V2O5 1.3.0-1.21.1. Change the pack release and its contents or setup may change too.
The selected pack release is V2O5 1.3.0-1.21.1. That file is for Minecraft 1.21.1 with Fabric 0.19.5. It contains 73 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 V2O5?
V2O5 - Vanilla & Technical Optimization Pack
Core Philosophy:
V2O5 uses VulkanMod as its technical core, restructures Minecraft's rendering pipeline through Vulkan API, and replaces the less efficient OpenGL. This solution significantly improves frame rate stability in Vanilla Survival scenarios.
Key Features
🔧 Utilities
Includes essential client-side mods like Tweakeroo, Litematica, and MiniHUD. Perfectly suited for survival, redstone, and large-scale building projects, offering unparalleled planning and execution aids.
🌐 Seamless Multiplayer Compatibility
Contains client-side only modifications. No server-side requirements! You can join any vanilla server directly and enjoy all enhanced features without issues(Apart from Carpet).
⚡ Enhanced Performance
Features optimizations that deliver notably higher FPS and smoother gameplay compared to the vanilla client, ensuring a fluid experience even during intensive tasks and exploration.
Compatibility Notes:
❌ Incompatible with:
OptiFine/Iris and other mainstream shader loaders
Mods relying on OpenGL rendering
⚠️Important Notice
If the startup prompt shows insufficient memory, you can try adding it in Java arguments
JVM parameter ending in " -Dorg.lwjgl.system.stackSize=256"
Here are the JVM parameters I am currently using, which you can refer to:"- Xmx4G -Xms2G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:G1MaxNewSizePercent=40 -XX:MaxGCPauseMillis=50 -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled -XX:-OmitStackTraceInFastThrow -Dfml.readTimeout=180 -Dorg.lwjgl.system.stackSize=256"
Project description from Modrinth.
Mods in V2O5 1.3.0-1.21.1
Open any mod on Modpacks.ch to check its files and dependencies.
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V2O5 by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader buildMade local changes? Try them in a copied instance before touching a world you care about.
Recent files
V2O5 versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.