- Nodes now retry DNS resolution multiple times during boot, improving peer discovery in environments with delayed DNS such as Kubernetes CoreDNS.
- Log noise reduced when sysctl is inaccessible; Prometheus plugin adds a process start time metric.
- Shovel plugin now gracefully handles consumer delivery timeouts and restarts automatically.
RabbitMQ 3.9.22
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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.