RabbitMQ - v3.11.6


RabbitMQ 3.11.6 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.
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

Enhancements

  • Lower per-queue memory footprint. This optimization saves about 1 GiB of memory for
    every 100K classic queues, so, for 3M MQTT connections the savings would add up to 30 GiB.

GitHub issue: #5551

  • It is now possible to configure default operator policies for virtual hosts
    that match a naming pattern:

ini default_operator_policies.1.vhost_pattern = ^device default_operator_policies.1.queue_pattern = .* default_operator_policies.1.max_length_bytes = 1GB default_operator_policies.1.max_length = 1000000

Contributed by @illotum (AWS).

GitHub issues: #6380, #4999

  • Preserve additional information in the log message when heartbeat frame cannot
    be sent due to a TCP timeout.

GitHub issue: #6708

Bug Fixes

GitHub issue: #3370

  • Feature flag operations logged incorrect module name in some cases.

GitHub issue: #6694

CLI Tools

Enhancements

  • rabbitmq-upgrade await_online_quorum_plus_one will now consider stream replicas in addition to quorum queue replicas.

GitHub issue: #4890

Bug Fixes

  • Listing listeners (including via rabbitmq-diagnostics status) could fail with an exception
    if target node was shutting down.

Contributed by @gomoripeti (CloudAMQP).

GitHub issue: #6719

Management Plugin

Enhancements

  • Support for Identity Provider-initiated Login (IDP).

GitHub issues: #6015, #6201,
#6247

Bug Fixes

  • Use a more modern method (browser feature) for definition file downloads.

GitHub issue: #6674

  • Perform HTML escaping of a user-provided error parameter used by some UI states.

Contributed by @dentarg.

GitHub issue: #6780

Dependency Upgrades

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.11.6.tar.xz
instead of the source tarball produced by GitHub.


Details

date
Jan. 5, 2023, 5:05 p.m.
name
RabbitMQ 3.11.6
type
Patch
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