Required
Open project Architectury API
Matched file: [Fabric 1.21.4] v15.0.3
Ready to install?
Sign Builder SignBuilder-1.21.4-fabric-1.5.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
SignBuilder-1.21.4-fabric-1.5.jar
- Game
- 1.21.4
- Loader
- Fabric
- Published
- 8 Nov 2026
- Channel
- release
- File size
- 1.6 MB
SHA-16ecbe82b21aa511746672d0f92d7f5fa86b3891f
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 Fabric API
Matched file: [1.21.4] Fabric API 0.119.4+1.21.4
Required
Open project Fabric API
Matched file: [1.21.4] Fabric API 0.119.4+1.21.4