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3.12.9.md

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RabbitMQ 3.12.9 is a maintenance release in the 3.12.x release series.

Please refer to the upgrade section from the 3.12.0 release notes if upgrading from a version prior to 3.12.0.

This release requires Erlang 25 and supports Erlang versions up to 26.1.x. RabbitMQ and Erlang/OTP Compatibility Matrix has more details on Erlang version requirements for RabbitMQ.

Minimum Supported Erlang Version

As of 3.12.0, RabbitMQ requires Erlang 25. Nodes will fail to start on older Erlang releases.

Users upgrading from 3.11.x (or older releases) on Erlang 25 to 3.12.x on Erlang 26 (both RabbitMQ and Erlang are upgraded at the same time) must consult the v3.12.0 release notes first.

Changes Worth Mentioning

Release notes can be found on GitHub at rabbitmq-server/release-notes.

Core Broker

Bug Fixes

  • When a topic permission was deleted, an internal event of type permission.deleted was emitted in some cases, instead of topic.permission.deleted.

    Investigated by @bedia.

    GitHub issue: #9937

Shovel Plugin

Bug Fixes

  • Shovels on 3.12.8 nodes failed during a rolling cluster upgrade due to internal identifier format changes.

    Starting with this release, both old and new formats are supported for upgrade safety.

    GitHub issue: #9894

Grafana Dashboard

Enhancements

MQTT Plugin

Bug Fixes

  • Avoids an unnecessary warning in the logs.

    GitHub issue: #9885

CLI Tools

Enhancements

  • rabbitmq-diagnostics list_policies_that_match [queue name] is a new command that simplifies troubleshooting of policy conflicts.

    GitHub issue: #9916

Management Plugin

Enhancements

  • Nodes that have OAuth 2 enabled now redirect the user to the original landing page (if any) after successful login with the IDP.

    Contributed by @dukex.

    GitHub issue: #9851

Dependency Upgrades

None in this release.

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.12.9.tar.xz instead of the source tarball produced by GitHub.