Relay v0.4.0

Relay v0.4.0

Relay v0.4.0 introduces reliability, observability, operational reporting, incident management, and export foundations for distributed queue systems built with MoonBit.

Highlights

Reliability

• Retry policies
• Dead Letter Queue support
• Worker statistics and reliability accounting
• Pending message recovery

Observability

• Worker metrics
• Queue metrics
• Backend health checks
• Telemetry snapshots
• System status evaluation

Operations

• Queue inspection APIs
• Administrative reporting
• Human-readable operational summaries

Incident Management

• Incident detection
• Incident severity classification
• Capability-aware incident analysis

Export Models

• OpenTelemetry-compatible records
• Prometheus-compatible metrics

Backend Support

• InMemoryBackend
• RedisBackend
• RedisStreamBackend

Documentation

• Updated README
• Added ARCHITECTURE.md
• Added CONTRIBUTING.md
• Expanded CHANGELOG

Next

v0.4.1 will focus on:

• Valkey repository separation
• Additional examples
• Documentation refinements