Prism Launcher Mod Loaders
Install or switch Fabric, NeoForge, Forge, Quilt, or LiteLoader on any Minecraft instance in two clicks without manual JAR installers.
Vanilla+ Performance Stack (Fabric + Sodium + Iris) in Prism Launcher
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The modern replacement for standalone OptiFine: install Fabric in Prism's Version tab and download Sodium + Iris in the Mods tab. Supports Minecraft 1.16.5 – 1.21.4+.
- Mod Loader
- Vanilla+ Performance Stack (Fabric + Sodium + Iris)
- Minecraft Versions
- 1.16.5 – 1.21.4+
- Core Dependency
- Fabric Loader + Fabric API + Sodium + Iris
- Best For
- 2x–4x higher FPS than vanilla Minecraft with full Complementary / BSL shader support and zoom hotkeys
Installing Vanilla+ Performance Stack (Fabric + Sodium + Iris) in two clicks
The modern replacement for standalone OptiFine: install Fabric in Prism's Version tab and download Sodium + Iris in the Mods tab.
In Prism Launcher, you never need to download a separate loader installer JAR from a browser. Right-click your instance, select **Edit** → **Version**, and click **Install Vanilla+** on the right-hand sidebar.
Adding mods and dependencies
- **Core requirement:** Fabric Loader + Fabric API + Sodium + Iris. Open the **Mods** tab and click **Download mods** to grab dependencies from Modrinth or CurseForge.
- **Best use cases:** 2x–4x higher FPS than vanilla Minecraft with full Complementary / BSL shader support and zoom hotkeys.
- **Get the launcher:** Download the Windows installer or portable build at /download.
Frequently asked questions
How do I update Vanilla+ Performance Stack (Fabric + Sodium + Iris) to a newer version in Prism Launcher?
Open Edit Instance → Version, select the loader row, and click **Change version** on the right sidebar to pick the latest build.
Why did my Vanilla+ Performance Stack (Fabric + Sodium + Iris) instance exit with code 1?
Check that your Java version matches your Minecraft version (Java 21 for 1.20.5+, Java 17 for 1.18–1.20.4, Java 8 for 1.16.5 and older) under Java Settings.
Get Prism Launcher
Windows, macOS & Linux
Free and open source. Sign in with the Microsoft account that owns Minecraft, then create your first instance.
