- Upgrade to RabbitMQ 3.8.26 is recommended; includes a bug fix for OAuth2 plugin signing keys translation errors.
- Requires Erlang 23.2 (supports Erlang 24) and provides upgrade path guidance for older 3.6/3.7 series.
RabbitMQ 3.8.26
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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.