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Amazon MQ now supports RabbitMQ 4.3

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AWS·Sep 10, 2026, 06:08 PMDeprecationMay break your integrationAI-assisted summary

Summary

Amazon MQ adds support for RabbitMQ 4.3 with quorum queue enhancements such as compaction, 32 priority levels, native delayed retries, and per‑protocol consumer timeouts.
Includes bug fixes, memory‑management performance improvements, and removes support for transient non‑exclusive queues, Global QoS, and Classic v1 storage.
Users can select RabbitMQ 4.3 on m7g brokers; Amazon MQ automatically manages patch version upgrades.

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Official source Last checked Sep 20, 2026, 3:04 PM

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