- Fixes several stream delivery and upgrade issues, including dropped delivery rates and stream state failures after multi‑patch upgrades.
- Resolves bugs in priority queues, maintenance mode leadership transfer, Prometheus collector, and management UI rate display.
- Updates dependencies (ra, prometheus, eetcd) and improves LDAP plugin compatibility with Erlang 24.3.
RabbitMQ 3.9.15
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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.