Release history

Hydrogen 1.2.0 — Current reviewed build

• Added configurable storage backends: local file snapshots, MySQL/MariaDB, and MongoDB.
• Redis messaging is now optional and disabled by default.
• Hardened storage failure behavior, revision-conflict checks and permission refresh.
• Updated documentation for installation, migration, commands and network setup.
• Reviewed build reports 47 passing tests. This is not evidence of production deployment or uptime.

Hydrogen 1.1.0 — Prior reviewed build

• Earlier integration verification exercised two Paper instances with MongoDB and Redis.
• Integration report recorded 28 functional checks passed and a Paper API compatibility fix.

For detailed release provenance, refer to the private repository's reviewed integration and storage test reports.