- Require Erlang 25 – nodes on older Erlang versions will fail to start, adding performance and TLS 1.3 benefits
- Fix core server bugs (direct‑exchange flag, heartbeat timeout logging, empty stream message translation) and CLI bug (vhost tag coercion)
- Upgrade dependencies (prometheus.erl 4.10.0) and improve the feature‑flag subsystem
RabbitMQ 3.11.7
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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.