- Switches baseline to Erlang 25, improving performance, adding TLS 1.3 support and preventing node start on older Erlang versions.
- Fixes core server bugs: quorum‑queue federation issues, classic‑queue index recovery hangs, JSON definition parsing errors, and reduces quorum‑queue metric CPU usage.
- Adds API to change a vhost's default queue type and corrects interface reporting bugs in management, STOMP, and MQTT plugins; also resolves Debian/RPM build issues.
RabbitMQ 3.11.17
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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.