RabbitMQ 4.1.3 is a maintenance release in the 4.1.x release series.

It is strongly recommended that you read 4.1.0 release notes
in detail if upgrading from a version prior to 4.1.0.

Minimum Supported Erlang Version

RabbitMQ and Erlang/OTP Compatibility Matrix has more details on Erlang version requirements for RabbitMQ.

Nodes will fail to start on older Erlang releases.

Changes Worth Mentioning

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

Core Server

Bug Fixes

• Fixes a rare file descriptor leak by quorum queues.

  GitHub issue: rabbitmq/ra#553

• Fixed two exceptions around IEEE 754-2008 serialization in the AMQP 1.0 implementation.

  GitHub issue: #14213

• Queues originally defined before 3.8.0 could run into an exception
  when emitting metrics.

  GitHub issue: #14214

• Avoids a potential classic queue exception logged when the queue was deleted.

  GitHub issue: #14276

CLI Tools

Bug Fixes

• rabbitmq-diagnostics status produced a stray line of debug output.

  GitHub issue: #14266

Enhancements

• rabbitmqctl list_deprecated_features now lists feature state (permitted, denied) in the target cluster.

  GitHub issue: #14229

• Optimizes rabbitmqctl list_queues invocations that only request queue names.

  GitHub issue: #14281

Dependency Changes

• ra was upgraded to 2.16.12

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-4.1.3.tar.xz
instead of the source tarball produced by GitHub.