- - Includes two security patches addressing CVE‑2021‑22117 and CVE‑2021‑22116.
- - Provides numerous bug fixes and enhancements such as quorum‑queue snapshot handling, queue name length limits, default consumer ack timeout, CLI/management improvements, AWS peer discovery v2 support, and TLS plugin username extraction.
- - Marks the final RabbitMQ 3.8.x release supporting Erlang 22.3 (Erlang 23 recommended) and shifts binary distribution from Bintray to GitHub, Cloudsmith, and PackageCloud.
RabbitMQ 3.8.15
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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.