Compatibility
Minecraft: Java Edition
1.21.11
1.21.1–1.21.3
Platforms
Supported environments
Links
Creators
Details
Changelog
1.2.1 - 2026-02-15
Fixed
- Fixed dedicated server startup crash caused by client-only classloading during mod initialization.
- Fixed additional dedicated server crash path during item registration
- Split client payload handlers from common network registration so client-only classes are no longer loaded on server.
- Hardened client bootstrap registration
Compatibility
- Existing worlds are supported.
- No data migration required.
- Safe update from
1.2.0for singleplayer and dedicated servers.
Files
Metadata
Release channel
ReleaseVersion number
1.2.1Loaders
Game versions
1.21.1Environment
Client and server, required on both
Downloads
4Publication date
February 15, 2026 at 2:43 PMPublisher

ColdFang
Member


