RabbitMQ - v3.11.16

RabbitMQ 3.11.16 is a maintenance release in the 3.11.x release series.

Please refer to the upgrade section from v3.11.0 release notes
if upgrading from a version prior to 3.11.0.

This release requires Erlang 25 and supports Erlang versions up to 25.3.x.
RabbitMQ and Erlang/OTP Compatibility Matrix has more details on
Erlang version requirements for RabbitMQ.

Minimum Supported Erlang Version

As of 3.11.0, RabbitMQ requires Erlang 25. Nodes will fail to start on older Erlang releases.

Erlang 25 as our new baseline means much improved performance on ARM64 architectures, profiling with flame graphs
across all architectures, and the most recent TLS 1.3 implementation available to all RabbitMQ 3.11 users.

Changes Worth Mentioning

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

Core Server

Bug Fixes

• Automatic node removal now will
  remove quorum queue replicas from the node before removing it from the cluster.

Contributed by @SimonUnge (AWS).

GitHub issue: #2882

Enhancements

• A new boolean setting, quorum_queue.property_equivalence.relaxed_checks_on_redeclaration,
  makes it possible to relax queue property equivalence checks
  for quorum queues. Specifically, when a quorum queue is redeclared and the client-provided
  type is set to "classic", this setting will help avoid a channel exception, making it
  easier to migrate to quorum queues step by step, without upgrading all applications in a short
  period of time.

Contributed by @SimonUnge (AWS).

GitHub issue: #8076

CLI Tools

Enhancements

• rabbitmq-queues grow and rabbitmq-queues add_member now verify cluster membership of the node
  new quorum queue replicas should be placed on.

GitHub issue: #8007

Federation Plugin

Bug Fixes

• URI parser incorrectly used the password query parameter to override the password
  value in authority (user info) part.

The password query parameter can be used to specify private key password for
upstream connections that use TLS.

GitHub issue: #8129

Shovel Plugin

Bug Fixes

• URI parser incorrectly used the password query parameter to override the password
  value in authority (user info) part.

The password query parameter can be used to specify private key password for Shovels
that use TLS.

GitHub issue: #8129

Dependency Upgrades

• ra was upgraded to 2.6.1

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.11.16.tar.xz
instead of the source tarball produced by GitHub.