rabbitmq-server/release-notes/3.9.1.md

RabbitMQ 3.9.1 is a maintenance release in the 3.9.x release series. This is what changed since v3.9.0.

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

This release requires at least Erlang 23.2, and supports the latest Erlang 24 version, 24.0.5 at the time of release. 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 more consistent release schedule.

Core Server

Bug Fixes

• Clients that used global QoS prefetch (deprecated as of 3.9.0) ran into an exception when acknowledging deliveries.

  GitHub issue: #3230

• Improved resiliency of stream coordinator in certain conditions.

  GitHub issues: #3176, #3170

• Nodes failed to start when hostname contained non-ASCII (broader Unicode) characters.

  GitHub issue: #3239

CLI Tools

Bug Fixes

• rabbitmq-diagnostics stream_status fails with an exception when the --tracking option was used.

  GitHub issue: #3229

• rabbitmq-diagnostics stream_status used an outdated documentation guide link.

  GitHub issue: #3231

RabbitMQ Erlang Client

Bug Fixes

• New releases of the client are again published to Hex.pm.

  GitHub issue: #3247

• connection_timeout was adjusted to avoid a confusing warning.

  GitHub issue: #3232 contributed by @britto

• Corrected a typo in direct connection net tick time adjustment.

  GitHub issue: #3233 contributed by @britto

Dependency Upgrades

No dependency changes in this release.

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.9.1.tar.xz instead of the source tarball produced by GitHub.