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Amazon MQ now supports in-place major version upgrades for RabbitMQ 4

Published
May 5, 2026
https://aws.amazon.com/about-aws/whats-new/2026/05/amazon-mq-inplace-upgrades-rabbitmq4/

Amazon MQ In-Place Upgrades for RabbitMQ 4

Amazon MQ now supports in-place version upgrades for RabbitMQ brokers, allowing you to upgrade to RabbitMQ 4.2 without creating a new broker or migrating your data. You can upgrade from RabbitMQ 3.13 to 4.2 via the Amazon MQ console, AWS CLI, or API.

In-place upgrades preserve your broker configuration, queues, exchanges, bindings, users, and policies. RabbitMQ 4.2 introduces breaking changes, including the removal of classic mirrored queues and migration from Mnesia to the Khepri metadata store.

Requirements

  • Instance Type: Must be running on M7G (Graviton) instance types.
  • Queues: Must not have classic mirrored queues.

What to do

  • Use the queue migration tool to convert classic mirrored queues to quorum queues before upgrading.
  • Select RabbitMQ 4.2 as your version through the AWS Management console, AWS CLI, or AWS SDKs.
  • Amazon MQ will automatically manage patch version upgrades for your RabbitMQ 4.2 brokers.

Source: AWS release notes




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