- Updated Erlang compatibility (requires Erlang 25, supports up to 26.2.x) and added global default queue‑type configuration plus a per‑node channel‑max limit.
- Fixed multiple bugs including quorum queue file‑handle handling, AMQP 1.0 durability conversion, management UI tab switching, and definition import handling.
- Upgraded dependency cowboy to 2.12.0 and enhanced plugins such as JMS topic exchange state replication across nodes.
RabbitMQ 3.12.14
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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.