RabbitMQ 3.12.3 #9137
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michaelklishin
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RabbitMQ 3.12.3
#9137
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RabbitMQ
3.12.3
is a maintenance release in the3.12.x
release series.Please refer to the upgrade section from the 3.12.0 release notes
if upgrading from a version prior to 3.12.0.
This release requires Erlang 25 and supports Erlang versions up to
26.0.x
.RabbitMQ and Erlang/OTP Compatibility Matrix has more details on
Erlang version requirements for RabbitMQ.
Minimum Supported Erlang Version
As of 3.12.0, RabbitMQ requires Erlang 25. Nodes will fail to start on older Erlang releases.
Users upgrading from 3.11.x (or older releases) on Erlang 25 to 3.12.x on Erlang 26
(both RabbitMQ and Erlang are upgraded at the same time) must consult
the v3.12.0 release notes first.
Changes Worth Mentioning
Release notes can be found on GitHub at rabbitmq-server/release-notes.
Core Server
Bug Fixes
Certain diagnostics operations during rolling upgrades from 3.10 to 3.11 could fail
if the
listener_records_in_ets
feature flag was enabled in the middle of the upgrade.Contributed by @gomoripeti (CloudAMQP).
GitHub issue: #8984
On Windows, PowerShell will no longer be used as a fallback for
handle.exe
for computing how many file and socket handles a node uses.
If a user does not have
handle.exe`` installed in the
PATH`` of their Windows system,a message will be logged once, and then the total handles being used will be set to 0.
PowerShell ended up being a CPU-intensive alternative that's not worth the gains
for many installations.
GitHub issue: #8700
Node maintenance state was not replicated to all nodes, even though it was accessible
from any node (and for any node).
GitHub issue: #9005
CLI Tools
Enhacements
Some warnings were emitted even when
--formatter
was set tojson
.GitHub issue: #8912
MQTT Plugin
Bug Fixes
MQTT connections could run into an exception when a queue it consumed from was temporarily
unavailable (e.g. was undergoing a leader election).
GitHub issue: #9040
Enhancements
When QoS 0 consumers consistently do not keep up with publishers, some messages will be dropped
to avoid runaway resource usage.
Now the number of dropped messages will be reflected in the dropped message metric,
together with unroutable messages.
GitHub issue: #9080
HTTP AuthN/AuthZ Backend Plugin
Bug Fixes
AMQP 1.0 client connections were refused with this plugin.
GitHub issue: #9043
LDAP AuthN/AuthZ Backend Plugin
Bug Fixes
AMQP 1.0 client connections were refused with this plugin.
GitHub issue: #9043
Dependency Upgrades
osiris
was upgraded to1.6.3
Source Code Archives
To obtain source code of the entire distribution, please download the archive named
rabbitmq-server-3.12.3.tar.xz
instead of the source tarball produced by GitHub.
This discussion was created from the release RabbitMQ 3.12.3.
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