Required
Open project Fabric API
Matched file: [1.21] Fabric API 0.102.0+1.21
Ready to install?
Bundle Upgrade (Fabric) bundleupgrade-fabric-1.21-1.0.0.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
bundleupgrade-fabric-1.21-1.0.0.jar
- Game
- 1.21
- Loader
- Fabric
- Published
- 13 Nov 2026
- Channel
- release
- File size
- 38.3 KB
SHA-1fd4196d322d496a92a2f2f9c4a2b9adfa6fe37d6
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