Spring Boot 4.1.0 M2 Release Notes

Spring Boot 4.1.0-M2 Release Notes

Upgrading from Spring Boot 4.0

New and Noteworthy

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

Dependency Upgrades

Spring Boot 4.0.0-M2 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:

• …

Miscellaneous

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

• …

Deprecations in Spring Boot 4.1.0-M2

• Additional mime types that should be compressed when sending HTTP responses can be configured using server.compression.additional-mime-types