Required
Open project GeckoLib
Matched file: NeoForge 1.21.1 4.9.3
Ready to install?
Roost Ultimate [NEOFORGE/FORGE] roostultimate_1.21.1-4.2.3b.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
roostultimate_1.21.1-4.2.3b.jar
- Game
- 1.21.1
- Loader
- NeoForge
- Published
- 1 Mar 2026
- Channel
- beta
- File size
- 1.8 MB
SHA-1c6a49cbf68c046591636194ee7c2051a75b0e050
Where this file goes
Client, server, or both?
Client Source doesn’t say
Dedicated server Source doesn’t say
The source does not explicitly classify this release as client-only or server-only.
Dependencies for this release
What else does it need?
Required
Open project CRLib
Matched file: crlib-1.0.1.jar
22 optional, embedded or incompatible relationships
- KubeJS optional
- Jade 🔍 optional
- Just Enough Items (JEI) optional
- Roughly Enough Items Fabric/Forge/NeoForge (REI) optional
- CraftTweaker optional
- EMI optional
- Better Advanced Tooltips optional
- Rhino optional
- MezzConfig optional
- MezzConfigGUI optional
- Cloth Config API (Fabric/Forge/NeoForge) optional
- Architectury API optional
- REI Plugin Compatibilities (REIPC) optional
- Ender IO optional
- Roost Ultimate - Autumnity [ADDON] optional
- Roost Ultimate - Terralith [ADDON] optional
- Roost Ultimate [NEOFORGE/FORGE] optional
- Roost Ultimate - Biomes O' Plenty [ADDON] optional
- Mekanism optional
- Athena optional
- Applied Energistics 2 optional
- CC: Tweaked optional