Required
Open project Fabric API
Matching file found for at least one listed target: [1.21.5] Fabric API 0.128.2+1.21.5
Ready to install?
Legacy4J Legacy4J [Fabric] 1.21.5-1.9-pre-4-lts
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
Legacy4J-1.21.5-1.9-pre-4-lts-fabric.jar
Legacy4J [Fabric] 1.21.5-1.9-pre-4-lts
- Game
- 1.21.5
- Loader
- Fabric, Quilt
- Published
- 29 Aug 2026
- Channel
- beta
- File size
- 25 MB
SHA-10fde4a2d3e85fba20916bea1a0fc7b3be14a84d8
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 Factory API
Matching file found for at least one listed target: Factory API 2.2.9 Fabric 1.21.5