Required
Open project Fabric API
Matched file: [1.21.1] Fabric API 0.116.18+1.21.1
Ready to install?
OPAC-UI OPAC-UI 1.1.0 (Fabric 1.21.1)
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
opacui-fabric-1.21.1-1.1.0.jar
OPAC-UI 1.1.0 (Fabric 1.21.1)
- Game
- 1.21.1
- Loader
- Fabric
- Published
- 29 Oct 2026
- Channel
- release
- File size
- 80.1 KB
SHA-157f7e25ca629bf1eb2d1075cdef1593ea183bdb3
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 Open Parties and Claims
Matched file: open-parties-and-claims-fabric-1.21.1-0.33.0.jar
Required
Open project Cloth Config API (Fabric/Forge/NeoForge)
Matched file: [Fabric 1.21] v15.0.140
Required
Open project Forge Config API Port
Matched file: [FABRIC] [1.21.1] ForgeConfigAPIPort-v21.1.6
1 optional, embedded or incompatible relationship
- Forge Config Screens [Archived] optional