Required
Open project Fabric API
Matching file found for at least one listed target: [1.21.9] Fabric API 0.134.1+1.21.9
Ready to install?
Flashback 0.39.4
Check the game version, loader and dependencies below, then grab this exact release.
Modrinth release
Flashback-0.39.4-for-MC1.21.10.jar
0.39.4
- Game
- 1.21.9, 1.21.10
- Loader
- Fabric
- Published
- 14 Apr 2026
- Channel
- release
- File size
- 202 MB
SHA-14417a355e59faac44e1deac7e4faa99fe3d38e62
Where this file goes
Client, server, or both?
Client Required
Dedicated server Do not install
This file is marked client-only.
Dependencies for this release