- Fixed core server issues causing rolling cluster upgrade failures and logging errors; improved error handling and reduced quorum queue memory usage.
- Added new diagnostics commands (consume event stream, certificate expiration checks) and enhanced CLI output formatting.
- Resolved numerous plugin bugs across Prometheus, management UI, LDAP, Kubernetes discovery, MQTT, STOMP, and others.
RabbitMQ 3.8.1
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Core server bug fixes: duplicate direct‑reply deliveries, quorum queue recovery issues, malformed AMQP 1.0 frames, topic‑exchange wildcard limits, and OAuth proxy header handling.