Required
Open project Architectury API
Matched file: [NeoForge 1.21.4] v15.0.3
Ready to install?
Sign Builder SignBuilder-1.21.4-neoforge-1.5.1.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
SignBuilder-1.21.4-neoforge-1.5.1.jar
- Game
- 1.21.4
- Loader
- NeoForge
- Published
- 13 Nov 2026
- Channel
- release
- File size
- 1.7 MB
SHA-14adffe2f0f9b2dd0560f3412a8f2a1163b6ed8a6
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