RabbitMQ 3.9.11

[michaelklishin]

RabbitMQ 3.9.11 is a maintenance release in the 3.9.x release series.

Please refer to the Upgrading to 3.9 section from v3.9.0 release notes if upgrading from a version prior to 3.9.0.

This release requires at least Erlang 23.2, and supports Erlang 24. RabbitMQ and Erlang/OTP Compatibility Matrix has more details on Erlang version requirements for RabbitMQ.

Changes Worth Mentioning

Release notes are kept under rabbitmq-server/release-notes.
Contributors are encouraged to update them together with their changes. This helps with release automation and a more consistent release schedule.

Core Server

Bug Fixes

• When a TLS-enabled listener failed to stop, it logged all of its settings
  which could contain sensitive values.

  GitHub issue: #3803

Enhancements

• Quorum queues now store commands for enqueued messages in a more compact format
  on disk (some derivative data has been dropped).

  GitHub issue: #3804

• queue.declare-ok response to AMQP 0-9-1 clients operating on a stream could return a ready-for-delivery
  message count value that was out of sync with the stream leader replica.

  GitHub issue: #3814

• Classic queues now deliver more efficiently on channels that had global QoS changed
  during consumer operation.

  Contributed by @tomyouyou.

  GitHub issue: rabbitmq/rabbitmq-server#3805

Prometheus Plugin

Enhancements

• New optional metrics provided by the GET /metrics/detailed endpoint. These metrics are cluster-wide,
  and therefore must not be aggregated.

  GitHub issue: rabbitmq/rabbitmq-server#3779

Management Plugin

Bug Fixes

• A help tip on the policies page was misplaced.

  Contributed by @johanrhodin

  GitHub issue: #3825

Management Agent Plugin

Enhancements

• Disabling the plugin will stop metric collection performed periodically by
  queues, streams, connections, et cetera.

  Contributed by @tomyouyou.

  GitHub issue: rabbitmq/rabbitmq-server#3800

Dependency Upgrades

None in this release.

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.9.11.tar.xz
instead of the source tarball produced by GitHub.

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This discussion was created from the release RabbitMQ 3.9.11.