Required
Open project Fabric API
Matching file found for at least one listed target: [1.21.1] Fabric API 0.116.18+1.21.1
Ready to install?
Variable Copper Bulb Signal variablecopperbulbsignal-fabric-1.0.0+1.21.x.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
variablecopperbulbsignal-fabric-1.0.0.jar
variablecopperbulbsignal-fabric-1.0.0+1.21.x.jar
- Game
- 1.21, 1.21.8, 1.21.5, 1.21.4, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.21.2, 1.21.9, 1.21.10, 1.21.11
- Loader
- Fabric, Quilt
- Published
- 28 Jan 2026
- Channel
- release
- File size
- 6.3 KB
SHA-15742e344facf6364375805f45acdfb2ec0f58643
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