- Requires Erlang 26+ (up to 27.3) and shifts community support to contributors/commercial license holders after June 1 2024.
- Fixes replication safety for quorum queues, stream consumer activation, TCP load balancer checks, and several management‑API OAuth2 and missing‑resource bugs.
- Adds enhancements: infinite peer‑discovery retry, more aggressive quorum checkpoints, rabbitmqadmin 2.0.0 GA binary, health‑check commands for leaderless quorum queues, IPv6 for stream replication, separate HTTP API auth chain, and confi...
RabbitMQ 4.0.8
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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.