Spring Boot - v3.2.0-RC2

:star: New Features

• Introduce PemSslStore as an alternative to PemSslStoreDetails #38175
• Introduce a public PemContent class #38174
• Allow alias and password to be configured on a per PEM store basis #38124
• Add observationEnabled properties for Apache Kafka #38057

:lady_beetle: Bug Fixes

• Class loading may fail when JVM is stopped using SIGINT #38154
• spring.webflux.multipart.max-disk-usage-per-part behaves incorrectly for values where the number of bytes overflows an int #38152
• Apply SslBundleProperties.Key property to PEM keystore and not to the truststore #38125
• VirtualZipDataBlock does not create zip data descriptor records which can break streaming reads #38063
• Nested jars are not opened with runtime version set, causing classes in META-INF/versions to be ignored #38050
• InputStreams cannot be created from nested directory entry URLs which results in Tomcat TldScanner issues #38047
• Mail health indicator fails when host is not set in properties #38044
• Testcontainers support for various containers does not work in a native-image #38014
• Filters added to the auto-configured MockMvc instance have no name, breaking OncePerRequestFilter #38001
• Application's main class is not found when using PropertiesLauncher with the new nested jar support #37992
• Docker Compose integration does not work with 2.23.0 due to 'Cannot invoke "org.springframework.boot.docker.compose.core.DockerCliInspectResponse.hostConfig()" because "inspectResponse" is null' #37991
• @ServiceConnection is not working with @RestartScope in 3.2.0-RC1 #37989

:notebook_with_decorative_cover: Documentation

• Document that application.* banner variables require a packaged jar or the use of Boot's launcher #38149
• Explain how Docker Compose support works when services are already running #38145
• Improve systemd configuration documentation #38117
• Clarify that @AutoConfigureWebTestClient binds WebTestClient to mock infrastructure #38114
• MyErrorWebExceptionHandler example in documentation isn't working #38111
• Document that properties that change an application's beans are fixed at build time #38108
• Add section on AspectJ support #38097
• Document that SerializationFeature.WRITE_DURATIONS_AS_TIMESTAMPS is disabled by default #38090
• Document that testing with ApplicationContextRunner in a native image is not supported #38082
• Spring Boot Actuator documentation misses management.endpoint.env.show-values property #38080
• Outdated spring-boot-maven-plugin build-info documentation causing project builds to fail #38078
• Document how to downgrade dependencies to use embedded Jetty 11 #38077
• Update "Use Another Web Server" how-to to reflect Servlet 5.0 baseline #38075
• Improve health group membership validation error message to provide hint for property to disable validation #38073
• Update "Running Behind a Front-end Proxy Server" to include reactive and ForwardedHeaderTransformer #38072
• Document that spring-boot-starter-parent sets maven.compiler.release and how to unset it if needed #38069
• Document how to customize the basePackages that auto-configurations consider (for example Spring Data Repositories) #38054
• Reference documentation MyContainersConfiguration sample is missing @ServiceConnection #38048
• Clarifying documentation on including a top-level @TestConfiguration class in a test #38041
• Document ConfigurationPropertyCaching #38038
• Document server.servlet.encoding.* properties and server.servlet.encoding.mapping in particular #38035
• Document configuration for building images with Colima #38032
• Add a section on customizing embedded reactive servers #38028
• Improve documentation of classpath.idx file and its generation by the Maven and Gradle plugins #38025
• Document additional user configuration that's required after setting spring.hateoas.use-hal-as-default-json-media-type to false #38022
• Clarify that MVC components provided through WebMvcRegistrations are subject to subsequent processing and configuration by MVC #38019
• Add Embedded MongoDB to community starters #38016
• Links to portfolio projects which use Antora are broken #38000
• Fix links in Spring Kafka section of ref guide #37987
• Fix links in Spring Pulsar section of ref guide #37986
• Add JVM Checkpoint Restore documentation #37975

:hammer: Dependency Upgrades

• Upgrade to ActiveMQ 5.18.3 #38126
• Upgrade to Artemis 2.31.2 #38127
• Upgrade to Glassfish JAXB 4.0.4 #38128
• Upgrade to Hazelcast 5.3.5 #38129
• Upgrade to Jakarta Json 2.1.3 #38130
• Upgrade to Jakarta XML SOAP 3.0.1 #38131
• Upgrade to Jakarta XML WS 4.0.1 #38132
• Upgrade to Jedis 5.0.2 #38133
• Upgrade to Jetty 12.0.3 #38135
• Upgrade to Jetty Reactive HTTPClient 4.0.1 #38134
• Upgrade to Kotlin 1.9.20 #38136
• Upgrade to Liquibase 4.24.0 #38120
• Upgrade to Log4j2 2.21.1 #38137
• Upgrade to Maven Clean Plugin 3.3.2 #38138
• Upgrade to Maven Dependency Plugin 3.6.1 #38139
• Upgrade to MSSQL JDBC 12.4.2.jre11 #38140
• Upgrade to Native Build Tools Plugin 0.9.28 #38141
• Upgrade to Oracle Database 23.3.0.23.09 #38121
• Upgrade to Pulsar 3.1.1 #38142
• Upgrade to SAAJ Impl 3.0.3 #38143
• Upgrade to Spring Framework 6.1.0-RC2 #37995
• Upgrade to Spring WS 4.0.7 #38144

:heart: Contributors

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

@GVictorG7, @Wzy19930507, @ch4570, @dreis2211, @izeye, @onobc, and @sdeleuze