Required
Open project Factory API
Matched file: Factory API 2.2.9 Neoforge 1.21.5
Ready to install?
Legacy4J Legacy4J [Neoforge] 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-neoforge.jar
Legacy4J [Neoforge] 1.21.5-1.9-pre-4-lts
- Game
- 1.21.5
- Loader
- NeoForge
- Published
- 29 Aug 2026
- Channel
- beta
- File size
- 25 MB
SHA-11459c56232b08fc4d75a709ed1030f5f9ed08738
Where this file goes
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Dedicated server Source doesn’t say
The source does not explicitly classify this release as client-only or server-only.
Dependencies for this release