- Added limits for max virtual hosts and number of shovels/federation links per node via configuration; introduced `rabbitmqctl update vhost` CLI to modify vhost metadata.
- Quorum queues now log policy‑apply failures; OAuth2 backend supports variable expansion in topic authorisation; HTTPS auth backend exception fixed.
- Fixed superstream single‑active‑consumer election bug and management UI filter handling; upgraded cowlib to 2.12.1. Requires Erlang 25 – nodes on older Erlang will not start.
RabbitMQ 3.11.14
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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.