- Requires Erlang 24.2+ (Erlang 25 recommended); nodes on older Erlang versions will fail to start (breaking compatibility).
- Reliability and performance upgrades: quorum queues handle WAL growth better, diagnostics memory breakdown up to 100× faster, and clearer error messages for quorum‑queue commands on streams.
- Bug and security fixes: invalid definitions file now stops start, LDAP plugin no longer logs passwords, JSON definition export fixed, and CLI/STS enhancements for queue info and STOMP max‑age header.
RabbitMQ 3.10.12
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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.