- Fix core server bugs: correct dead‑letter ordering for quorum queues and ensure feature‑flag state consistency during node boot.
- Add stream plugin improvements: configurable read‑ahead setting and more resilient stream deletions; also streamline management API permission checks.
- Improve plugins: automatic loading of system TLS certificates for OAuth2 and LDAP, enhanced shovel alarm handling, and upgrade cuttlefish dependency to 3.6.0.
RabbitMQ 4.2.1
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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.