Spring Boot 3.3.0 M1 Release Notes

Spring Boot 3.3.0-M1 Release Notes

Dependency Management for Dropwizard Metrics Removed

Dependency management for Dropwizard Metrics has been removed. Spring Boot does not depend directly upon Dropwizard Metrics and, therefore, does not require a specific version. If your application depends on Dropwizard Metrics directly, update your build configuration to specify a version that meets its needs.

Upgrading from Spring Boot 3.2

Minimum Requirements Changes

None.

New and Noteworthy

Tip	Check the configuration changelog for a complete overview of the changes in configuration.

Observability improvements

Observations can now be enabled for the simple, direct and stream listener and on the RabbitTemplate via properties.

Dependency Upgrades

Spring Boot 3.3.0-M1 moves to new versions of several Spring projects:

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Numerous third-party dependencies have also been updated, some of the more noteworthy of which are the following:

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Miscellaneous

Apart from the changes listed above, there have also been lots of minor tweaks and improvements including:

• spring.config.activate.on-cloud-platform=none will now match when the active cloud platform is null

Deprecations in Spring Boot 3.3.0-M1

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