# OpenRath v2.0.0

OpenRath `v2.0.0` is the Stable release of the durable Runtime and Agent
Server. This page summarizes the release features, compatibility model, and
distribution.

## Highlights

- Explicit `@step` and `@router` compilation with canonical plans and revision
  identity.
- Durable Run, Event, Checkpoint, Interrupt, lease/fencing, cancellation,
  deadline, retry, and effect-reconciliation semantics.
- PostgreSQL production storage, optional Redis signaling, and S3-compatible
  artifact storage.
- Tenant/project-scoped Agent Server HTTP/SSE APIs with explicit action grants,
  bounded queues, pages, and bodies, security headers, and redacted structured
  audit.
- Governed Provider, Tool/MCP, Sandbox, and Memory adapter boundaries.
- OpenTelemetry integration, datasets/experiments/feedback, migration tooling,
  Compose/Kubernetes references, SBOM, and security gates.

## Compatibility

- The v1 Python façade remains supported in v2.0.0.
- The Agent Server exposes versioned `/v1` HTTP and SSE resources.
- v1 JSONL Sessions can be imported into the v2 history model.
- Review the [threat model](../v2/threat-model.md) and
  [migration guide](../v2/migration.md).

## Distribution

- The wheel and source distribution are attached to the
  [GitHub release](https://github.com/Rath-Team/OpenRath/releases/tag/v2.0.0).
- The OCI image is published to GHCR and identified by the digest in the
  attached evidence manifest.
- Compose and Kubernetes references are included for service deployments.

Full code changes:
[v1.3.0...v2.0.0](https://github.com/Rath-Team/OpenRath/compare/v1.3.0...v2.0.0).