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# Message queue libraries removed

> Breaking change notice that RabbitMQ is no longer a dependency in 2023.2 and the audit-trail and event-system libraries have been removed.

## Breaking change notice

In the 2023.2 release, RabbitMQ is no longer a dependency and the following two libraries are no longer included in Itential Platform:

* `audit-trail`
* `event-system`

This change is a direct result of switching to [BullMQ](https://docs.bullmq.io/) for all messaging queues in 2023.2.

## What should I do?

For the majority of installations this will have no impact. Test and confirm all custom applications and adapters are unaffected by the removal of these libraries.

Remove RabbitMQ from your environments unless it is required for purposes other than Itential Platform.