Spring Boot - v2.7.18

⚠️ : Noteworthy Changes

• Following the Paketo team's announcement that the Bionic CNB builders will be removed, the default builder using by bootBuildImage (Gradle) and spring-boot:build-image (Maven) has been changed to Paketo Jammy #38477

:lady_beetle: Bug Fixes

• App fails to start with a NoSuchMethodError when using Flyway 10.0.0 #38164
• spring.webflux.multipart.max-disk-usage-per-part behaves incorrectly for values where the number of bytes overflows an int #38146
• Mail health indicator fails when host is not set in properties #38007

:notebook_with_decorative_cover: Documentation

• Document supported SQL comment prefixes #38385
• Fix link to Elasticsearch health indicator #38330
• Improve --help and documentation for "encodepassword -a/--algorithm" in the Spring Boot CLI #38203
• Document that TomcatConnectorCustomizers are not applied to additional connectors #38183
• MyErrorWebExceptionHandler example in documentation isn't working #38104
• Document that SerializationFeature.WRITE_DURATIONS_AS_TIMESTAMPS is disabled by default #38083
• Update "Running Behind a Front-end Proxy Server" to include reactive and ForwardedHeaderTransformer #37282
• Improve documentation of classpath.idx file and its generation by the Maven and Gradle plugins #37125
• Document configuration for building images with Colima #34522
• Code sample in "Developing Your First Spring Boot Application" does not work #34513
• Document ConfigurationPropertyCaching #34172
• Document that application.* banner variables require a packaged jar or the use of Boot's launcher #33489
• Add section on AspectJ support #32642
• Document server.servlet.encoding.* properties and server.servlet.encoding.mapping in particular #32472
• Add a section on customizing embedded reactive servers #31917
• Clarify that MVC components provided through WebMvcRegistrations are subject to subsequent processing and configuration by MVC #31232
• Clarifying documentation on including a top-level @TestConfiguration class in a test #30513
• Clarify that @AutoConfigureWebTestClient binds WebTestClient to mock infrastructure #29890
• Improve systemd configuration documentation #28453
• Document how to customize the basePackages that auto-configurations consider (for example Spring Data Repositories) #27549
• Document additional user configuration that's required after setting spring.hateoas.use-hal-as-default-json-media-type to false #26814
• Add how-to documentation for test-only database migrations with Flyway/Liquibase #26796

:hammer: Dependency Upgrades

• Upgrade to ActiveMQ 5.16.7 #38427
• Upgrade to DB2 JDBC 11.5.9.0 #38428
• Upgrade to Dropwizard Metrics 4.2.22 #38429
• Upgrade to Elasticsearch 7.17.15 #38430
• Upgrade to Glassfish JAXB 2.3.9 #38431
• Upgrade to Micrometer 1.9.17 #38279
• Upgrade to Netty 4.1.101.Final #38432
• Upgrade to Pooled JMS 1.2.6 #38433
• Upgrade to Reactor Bom 2020.0.38 #38280
• Upgrade to Spring Batch 4.3.10 #38281
• Upgrade to Spring Data Bom 2021.2.18 #38282
• Upgrade to Spring Framework 5.3.31 #38283
• Upgrade to Spring HATEOAS 1.5.6 #38373
• Upgrade to Spring Integration 5.5.20 #38491
• Upgrade to Spring RESTDocs 2.0.8.RELEASE #38434
• Upgrade to Spring WS 3.1.8 #38284
• Upgrade to Tomcat 9.0.83 #38435

:heart: Contributors

Thank you to all the contributors who worked on this release:

@GVictorG7, @PENEKhun, @dreis2211, and @izeye