On behalf of the team and everyone who contributed, I am pleased to announce the first Milestone for Spring Integration 6.4.0 generation.

In addition the regular bug fixes and dependency upgrades were release as Spring Integration 6.3.2 and 6.2.7.

Here are some notable improvements and new features in Spring Integration 6.4:

• The distributed LockRegistry implementations now throw a ConcurrentModificationException on unlock() operation if ownership of the lock is lost in DB.
• Since LobHandler API has been deprecated in Spring Framework 6.2 for removal, we also deprecated respective API in JDBC message store components in favor of internal byte array handling by the JDBC drivers.
• The ZeroMqMessageHandler can now also bind port.
• The subscription identifier has been improved for MQTT v5 channel adapters.
• The Reactor context is now propagate to the reply CompletableFuture.
• The ClientSession is now closed by the SftpSession.

See What's New in 6.4 for more details.

Also a Migration Guide contains some breaking changes in this new version.

We are looking for any feedback on 6.4 generation to further improve the Framework and your experience in upcoming milestones.

Cheers, 
Artem

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