Required
Open project Fabric API
Matched file: [1.21.10] Fabric API 0.138.4+1.21.10
Ready to install?
Ultimate Compression ultimatecompression-1.21.10-3.4.0_fabric.jar
Check the game version, loader and dependencies below, then grab this exact release.
CurseForge release
ultimatecompression-1.21.10-3.4.0_fabric.jar
- Game
- 1.21.10
- Loader
- Fabric
- Published
- 6 Sept 2026
- Channel
- release
- File size
- 964.3 KB
SHA-174fcec39fdc9519b9e8b657602ebf0c66639431f
Where this file goes
Client, server, or both?
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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