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OptiPrime OptiPrime FB18 [1.21.1] [Fabric]
Check the game version, loader and dependencies below, then grab this exact release.
Modrinth release
OptiPrime FB18 [1.21.1] [Fabric]
- Game
- 1.21.1
- Loader
- Fabric
- Published
- 28 Sept 2026
- Channel
- release
- Downloads
- 23
Where this file goes
Keep this pack release together.
Install it as its own instance with the game version and loader above. The source has not labelled a separate server ZIP in the data we receive, so only use one when the creator lists it for this exact release.
Dependencies for this release
What else does it need?
No required project dependencies are listed for this release.
From the release
What changed?
In this update, the loader, core API and optimizations mods have been refreshed to fix bugs and improve stability. Loader: 0.19.3 -> 0.19.5 List of updated mods: • Fabric API: 0.116.15 -> 0.116.17 • Sodium: 0.8.13-beta.2 -> 0.8.13 • Entity Culling: 1.10.5 -> 1.11.2 • More Culling: 1.0.9 -> 1.0.10 • ImmediatelyFast: 1.6.12 -> 1.6.14 • Fast Paintings: 1.3.0 -> 1.3.1 • Sodium Extra: 0.9.3 -> 0.9.4 • Mod Menu: 11.0.4 -> 11.0.5 • Moonlight Lib: 3.5.0 -> 3.7.0