Amazon MQ now supports RabbitMQ version 4.2

Amazon MQ now supports RabbitMQ version 4.2 which introduces native support for the AMQP 1.0 protocol, a new Raft based metadata store named Khepri, local shovels, and message priorities for quorum queues. RabbitMQ 4.2 also includes various bug fixes and performance improvements for throughput and memory management.

A key highlight of RabbitMQ 4.2 is the support of AMQP 1.0 as a core protocol offering enhanced features like modified outcome which allow consumers to modify message annotations before requeueing or dead lettering, and granular flow control, which offers benefits including letting a client application dynamically adjust how many messages it wants to receive from a specific queue. Amazon MQ has also introduced configurable resource limits for RabbitMQ 4.2 brokers which you can modify based on your application requirements. Starting from RabbitMQ 4.0, mirroring of classic queues is no longer supported. Non-replicated classic queues are still supported. Quorum queues are the only replicated and durable queue type supported on RabbitMQ 4.2 brokers, and now offer message priorities in addition to consumer priorities.

To start using RabbitMQ 4.2 on Amazon MQ, simply select RabbitMQ 4.2 when creating a new broker using the m7g instance type through the AWS Management console, AWS CLI, or AWS SDKs. Amazon MQ automatically manages patch version upgrades for your RabbitMQ 4.2 brokers, so you need to only specify the major.minor version. To learn more about the changes in RabbitMQ 4.2, see the Amazon MQ release notes and the Amazon MQ developer guide. This version is available in all regions where Amazon MQ m7g type instances are available today. 

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Source: Amazon Web Services

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