[ANNOUNCE] Apache Artemis 2.56.0 Released

[Domenico Francesco Bruscino <br...@apache.org>]

I'm pleased to announce the release of Apache Artemis 2.56.0.

* Downloads:
https://artemis.apache.org/components/artemis/download/

* Complete list of updates:
https://artemis.apache.org/components/artemis/download/release-notes-2.56.0

I would like to highlight these improvements:

 - The lock coordinators now support a new `auto-start` attribute to
control whether a coordinator begins polling for the distributed lock
on broker activation, plus new `startLockCoordinator` /
`stopLockCoordinator` management operations and matching `lock start`
/ `lock stop` CLI commands.
 - A lock coordinator that cannot reach its distributed lock store
(e.g. ZooKeeper is unreachable) no longer hangs broker shutdown
indefinitely.
 - The AMQP protocol module has been updated to proton-j 0.35.0 with a
new `maxTransfersPerDelivery` configuration option.
 - The journal file lock health-check behavior is now configurable via
the new `journal-lock-monitor-timeout` and
`journal-lock-monitor-max-retries` parameters in `broker.xml`.
 - MQTT QoS 1 and QoS 2 message delivery has been redesigned for
resiliency across broker restarts and client reconnects.

As usual it contains a handful of bug fixes and other improvements.

Many thanks to all those who contributed to this release!

Domenico

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