Required
Open project Fabric API
Matched file: [1.21.5] Fabric API 0.128.2+1.21.5
Ready to install?
Flashback 0.39.8
Check the game version, loader and dependencies below, then grab this exact release.
Modrinth release
Flashback-0.39.8-for-MC1.21.5.jar
0.39.8
- Game
- 1.21.5
- Loader
- Fabric
- Published
- 28 Aug 2026
- Channel
- release
- File size
- 201 MB
SHA-1894f9c3f88d70986e03e384cefc0ee6fed40e9b9
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