Required
Open project Fabric API
Matched file: [1.21.1] Fabric API 0.116.18+1.21.1
Ready to install?
BackSlot backslot-1.3.1+1.21.1
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
backslot-1.3.1.jar
backslot-1.3.1+1.21.1
- Game
- 1.21.1
- Loader
- Fabric
- Published
- 15 Sept 2026
- Channel
- release
- File size
- 159.1 KB
SHA-16b23b8035879f6fabf7b9dd6ac2ac9278613eff8
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 Cloth Config API (Fabric/Forge/NeoForge)
Matched file: [Fabric 1.21] v15.0.140