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

In addition the regular bug fixes and dependency upgrades were release as Spring Integration 6.3.5 and 6.2.10.

Here are some notable improvements and new features in Spring Integration 6.4 since previously announced Milestone 3:

• The Python scripting support has been migrate to GraalVM Polyglot. Now Python 3 language version can be used in your scripts. Plus all the benefits from third-party libraries;
• The RedisLockRegistry can now be configured with a TaskScheduler for automatic locks renewal in the store;
• The SourcePollingChannelAdapterSpec now can be configured with a custom TaskScheduler, e.g. for some TaskDecorator use-case;
• The @SpringIntegrationTest can now be used for test classes hierarchy, including @Nested configuration;
• Plus a lot of dependency upgrades to their latest versions.

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 GA release in November.

Cheers, 
Artem

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