- Improves reliability with defensive default queue handling, fixes Windows classic queue recovery, resolves Khepri contention and memory leak issues, and makes topic binding deletions dramatically faster
- Adds new stream management CLI commands, configurable CRL cache, MQTT unauthorized disconnect option, and makes federation shutdown faster and timeout configurable
- Fixes several plugin bugs (OAuth2 auth validation, etcd password encryption, HTTP auth hostname check) and upgrades key dependencies (khepri, osiris)
RabbitMQ 4.2.3
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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.