v4.0.0

⭐ New Features

• Change tomcat and jetty runtime modules to starters #48175
• Rename spring-boot-kotlin-serialization to align with the name of the Kotlinx module that it pulls in #48076

🐞 Bug Fixes

• Error properties are a general web concern and should not be located beneath server.* #48201
• With both Jackson 2 and 3 on the classpath, @JsonTest fails due to duplicate jacksonTesterFactoryBean #48198
• Gradle war task does not exclude starter POMs from lib-provided #48197
• spring.test.webclient.mockrestserviceserver.enabled is not aligned with its module's name #48193
• SslMeterBinder doesn't register metrics for dynamically added bundles if no bundles exist at bind time #48182
• Properties bound in the child management context ignore the parent's environment prefix #48177
• ssl.chain.expiry metrics doesn't update for dynamically registered SSL bundles #48171
• Starter for spring-boot-micrometer-metrics is missing #48161
• Elasticsearch client's sniffer functionality should not be enabled by default #48155
• spring-boot-starter-elasticsearch should depend on elasticsearch-java #48141
• Auto-configuration exclusions are checked using a different class loader to the one that loads auto-configuration classes #48132
• New arm64 macbooks fail to bootBuildImage due to incorrect platform image #48128
• Properties for configuring an isolated JsonMapper or ObjectMapper are incorrectly named #48116
• Buildpack fails with recent Docker installs due to hardcoded version in URL #48103
• Image building may fail when specifying a platform if an image has already been built with a different platform #48099
• Default values of Kotlinx Serialization JSON configuration properties are not documented #48097
• Custom XML converters should override defaults in HttpMessageConverters #48096
• Kotlin serialization is used too aggressively when other JSON libraries are available #48070
• PortInUseException incorrectly thrown on failure to bind port due to Netty IP misconfiguration #48059
• Auto-configured JCacheMetrics cannot be customized #48057
• WebSecurityCustomizer beans are excluded by WebMvcTest #48055
• Deprecated EnvironmentPostProcessor does not resolve arguments #48047
• RetryPolicySettings should refer to maxRetries, not maxAttempts #48023
• Devtools Restarter does not work with a parameterless main method #47996
• Dependency management for Kafka should not manage Scala 2.12 libraries #47991
• spring-boot-mail should depend on jakarta.mail:jakarta.mail-api and org.eclipse.angus:angus-mail instead of org.eclipse.angus:jakarta.mail #47983
• spring-boot-starter-data-mongodb-reactive has dependency on reactor-test #47982
• Support for ReactiveElasticsearchClient is in the wrong module #47848

📔 Documentation

• Removed property spring.test.webclient.register-rest-template is still documented #48199
• Mention support for detecting AWS ECS in "Deploying to the Cloud" #48170
• Revise AWS section of "Deploying to the Cloud" in reference manual #48163
• Fix typo in PortInUseException Javadoc #48134
• Correct section about required setters in "Type-safe Configuration Properties" #48131
• Use since attribute in configuration properties deprecation consistently #48122
• Document EndpointJsonMapper and management.endpoints.jackson.isolated-json-mapper #48115
• Document support for configuring servlet context init parameters using properties #48112
• Some configuration properties are not documented in the appendix #48095
• Clarify how warnings about soon-to-expire SSL certificates are reported #48063
• Document how to use ContextPropagatingTaskDecorator for propagating trace context over thread boundaries #48053
• Document the level of support for the OpenTelemetry APIs #47960
• Document that you need to build with Java 25 for buildpack build-image Graal support #45501

🔨 Dependency Upgrades

• Upgrade to Cassandra Driver 4.19.2 #48184
• Upgrade to DB2 JDBC 12.1.3.0 #48087
• Upgrade to Elasticsearch Client 9.2.1 #48137
• Upgrade to GraphQL Java 25.0 #48034
• Upgrade to Hibernate 7.1.8.Final #48150
• Upgrade to Jackson Bom 3.0.2 #48089
• Upgrade to Jetty 12.1.4 #48120
• Upgrade to Jetty Reactive HTTPClient 4.1.4 #48151
• Upgrade to jOOQ 3.19.28 #48090
• Upgrade to Kafka 4.1.1 #48185
• Upgrade to Logback 1.5.21 #48091
• Upgrade to Micrometer 1.16.0 #47820
• Upgrade to Micrometer Tracing 1.6.0 #47821
• Upgrade to MySQL 9.5.0 #48092
• Upgrade to Native Build Tools Plugin 0.11.3 #48051
• Upgrade to Neo4j Java Driver 6.0.2 #47997
• Upgrade to Prometheus Client 1.4.3 #48093
• Upgrade to Reactor Bom 2025.0.0 #47822
• Upgrade to Spring AMQP 4.0.0 #47823
• Upgrade to Spring Batch 6.0.0 #47834
• Upgrade to Spring Data Bom 2025.1.0 #47824
• Upgrade to Spring Framework 7.0.1 #48168
• Upgrade to Spring GraphQL 2.0.0 #47826
• Upgrade to Spring HATEOAS 3.0.0 #47827
• Upgrade to Spring Integration 7.0.0 #47828
• Upgrade to Spring Kafka 4.0.0 #47829
• Upgrade to Spring LDAP 4.0.0 #47999
• Upgrade to Spring Pulsar 2.0.0 #47830
• Upgrade to Spring RESTDocs 4.0.0 #47831
• Upgrade to Spring Security 7.0.0 #47832
• Upgrade to Spring Session 4.0.0 #48000
• Upgrade to Spring WS 5.0.0 #47833
• Upgrade to Testcontainers 2.0.2 [#48152](https://github.com/spring-...

v3.5.8

⚠️ Noteworthy changes

• This release contains a fix to get Testcontainers working with modern Docker versions. If this causes problems in your setup, you can downgrade the minimum Docker API, effectively reverting that change.

🐞 Bug Fixes

• Gradle war task does not exclude starter POMs from lib-provided #48196
• Testcontainers integration fails on Docker 29.0.0 #48192
• SslMeterBinder doesn't register metrics for dynamically added bundles if no bundles exist at bind time #48180
• Properties bound in the child management context ignore the parent's environment prefix #48176
• ssl.chain.expiry metrics doesn't update for dynamically registered SSL bundles #48153
• Auto-configuration exclusions are checked using a different class loader to the one that loads auto-configuration classes #48129
• New arm64 macbooks fail to bootBuildImage due to incorrect platform image #48127
• NullPointerException when using @ConditionalOnSingleCandidate with multiple manually registered singletons #48123
• Buildpack fails with recent Docker installs due to hardcoded version in URL #48102
• Image building may fail when specifying a platform if an image has already been built with a different platform #48098
• Undertow's ServletContext is destroy too early, making it unusable in @PreDestroy methods #48061
• PortInUseException incorrectly thrown on failure to bind port due to Netty IP misconfiguration #48058
• Auto-configured JCacheMetrics cannot be customized #48056
• WebSecurityCustomizer beans are excluded by WebMvcTest #48054
• Devtools Restarter does not work with a parameterless main method #47987
• Setting 'max-uri-tags' does not prevent unlimited meter growth on any AutoConfiguredCompositeMeterRegistry #47923
• Docker response 407 is not handled correctly resulting in no error message #47900
• spring-boot-maven-plugin process-aot goal does not find package-private main method #47780

📔 Documentation

• Revise AWS section of "Deploying to the Cloud" in reference manual #48156
• Fix typo in PortInUseException Javadoc #48133
• Correct section about required setters in "Type-safe Configuration Properties" #48130
• Document EndpointObjectMapper and management.endpoints.jackson.isolated-object-mapper #48114
• Document support for configuring servlet context init parameters using properties #48111
• Clarify how warnings about soon-to-expire SSL certificates are reported #48062
• Document how to use ContextPropagatingTaskDecorator for propagating trace context over thread boundaries #48052
• Use since attribute in configuration properties deprecation consistently #47980
• BootstrapContext#getOrElseThrow has incorrect reference to IllegalStateException #47905
• Clarify when BootstrapContext get methods may return null rather than throwing an exception or calling the fallback supplier #47898
• Document that Actuator endpoint may have at most one extension of each type #47873
• Limit Kotlin API documentation to Kotlin-specific APIs #47859
• Adapt AOTCache documentation to JEP 514 #47274

🔨 Dependency Upgrades

• Downgrade to Cassandra Driver 4.19.0 #47926
• Upgrade to AspectJ 1.9.25 #48005
• Upgrade to Caffeine 3.2.3 #48006
• Upgrade to Cassandra Driver 4.19.2 #48183
• Upgrade to DB2 JDBC 12.1.3.0 #48083
• Upgrade to Hibernate 6.6.36.Final #48148
• Upgrade to Jackson Bom 2.19.4 #48008
• Upgrade to Jetty 12.0.30 #48118
• Upgrade to Jetty Reactive HTTPClient 4.0.13 #48149
• Upgrade to jOOQ 3.19.28 #48084
• Upgrade to Logback 1.5.21 #48085
• Upgrade to Micrometer 1.15.6 #48009
• Upgrade to Micrometer Tracing 1.5.6 #48010
• Upgrade to MySQL 9.5.0 #48011
• Upgrade to Neo4j Java Driver 5.28.10 #48044
• Upgrade to Quartz 2.5.1 #48012
• Upgrade to R2DBC Postgresql 1.0.9.RELEASE #48013
• Upgrade to Reactor Bom 2024.0.12 #48014
• Upgrade to Spring Data Bom 2025.0.6 #48039
• Upgrade to Spring Framework 6.2.14 #48166
• Upgrade to Spring Integration 6.5.4 #48040
• Upgrade to Spring Kafka 3.3.11 #48041
• Upgrade to Spring Pulsar 1.2.12 #48042
• Upgrade to Spring Security 6.5.7 #48043
• Upgrade to Tomcat 10.1.49 #48086

❤️ Contributors

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

@K-jun98, @TerryTaoYY, @hojooo, @linw-bai, @mipo256, @namest504, @ngocnhan-tran1996, @nosan, @scottfrederick, @siva-sai-udaygiri, @tschut, and @vpavic

v3.4.12

⚠️ Noteworthy changes

• This release contains a fix to get Testcontainers working with modern Docker versions. If this causes problems in your setup, you can downgrade the minimum Docker API, effectively reverting that change.

🐞 Bug Fixes

• Gradle war task does not exclude starter POMs from lib-provided #48195
• Testcontainers integration fails on Docker 29.0.0 #48104
• NullPointerException when using @ConditionalOnSingleCandidate with multiple manually registered singletons #48117
• Buildpack fails with recent Docker installs due to hardcoded version in URL #48050
• PortInUseException incorrectly thrown on failure to bind port due to Netty IP misconfiguration #47618
• Image building may fail when specifying a platform if an image has already been built with a different platform #47292
• Setting 'max-uri-tags' does not prevent unlimited meter growth on any AutoConfiguredCompositeMeterRegistry #47285
• WebSecurityCustomizer beans are excluded by WebMvcTest #47255
• Docker response 407 is not handled correctly resulting in no error message #47180
• Undertow's ServletContext is destroy too early, making it unusable in @PreDestroy methods #47141
• New arm64 macbooks fail to bootBuildImage due to incorrect platform image #46665
• Auto-configured JCacheMetrics cannot be customized #46212
• Properties bound in the child management context ignore the parent's environment prefix #45858

📔 Documentation

• Fix typo in PortInUseException Javadoc #48124
• Document support for configuring servlet context init parameters using properties #47951
• BootstrapContext#getOrElseThrow has incorrect reference to IllegalStateException #47903
• Clarify when BootstrapContext get methods may return null rather than throwing an exception or calling the fallback supplier #47896
• Document how to use ContextPropagatingTaskDecorator for propagating trace context over thread boundaries #47893
• Limit Kotlin API documentation to Kotlin-specific APIs #47763
• Document that Actuator endpoint may have at most one extension of each type #47740
• Some spring.test.* properties are not documented #47236
• Document EndpointObjectMapper and management.endpoints.jackson.isolated-object-mapper #47039
• Clarify how warnings about soon-to-expire SSL certificates are reported #45564
• Correct section about required setters in "Type-safe Configuration Properties" #43138

🔨 Dependency Upgrades

• Upgrade to AspectJ 1.9.25 #48015
• Upgrade to Hibernate 6.6.36.Final #48146
• Upgrade to Jackson Bom 2.18.5 #48017
• Upgrade to Jetty 12.0.30 #48119
• Upgrade to Jetty Reactive HTTPClient 4.0.13 #48147
• Upgrade to jOOQ 3.19.28 #48078
• Upgrade to Logback 1.5.21 #48079
• Upgrade to Micrometer 1.14.13 #48018
• Upgrade to Micrometer Tracing 1.4.12 #48019
• Upgrade to MySQL 9.5.0 #48020
• Upgrade to Neo4j Java Driver 5.28.10 #48030
• Upgrade to R2DBC Postgresql 1.0.9.RELEASE #48021
• Upgrade to Reactor Bom 2024.0.12 #48022
• Upgrade to Spring Data Bom 2024.1.12 #48024
• Upgrade to Spring Framework 6.2.14 #48165
• Upgrade to Spring Integration 6.4.9 #48026
• Upgrade to Spring Kafka 3.3.11 #48027
• Upgrade to Spring Pulsar 1.2.12 #48028
• Upgrade to Spring Security 6.4.13 #48029
• Upgrade to Tomcat 10.1.49 #48080

❤️ Contributors

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

@K-jun98, @hojooo, @mipo256, @namest504, @ngocnhan-tran1996, @nosan, @siva-sai-udaygiri, and @tschut

v4.0.0-RC2

⭐ New Features

• Restore support for Jersey now that it supports JAX-RS 4 (Jakarta EE 11) #47967
• Refactor OpenTelemetryLoggingAutoConfiguration from OpenTelemetrySdkAutoConfiguration #47963
• Switch property backing OnEnabledTracingExportCondition to management.tracing.export.{name}.enabled #47959
• Rename management.zipkin.tracing to management.tracing.export.zipkin #47958
• Switch property backing OnEnabledLoggingExportCondition to management.logging.export.{name}.enabled #47957
• Rename management.opentelemetry.logging.export properties #47954
• Split spring-boot-micrometer-tracing into Brave and OpenTelemetry specific module #47953
• Use Elasticsearch 9.2's elasticsearch-rest5-client in spring-boot-elasticsearch #47945
• Provide auto-configuration for Jackson's XML data format #47942
• Rename OnlyOnceLoggingDenyMeterFilter #47925
• Allow url to be specified when working with @AutoConfigureWebMvc configured HtmlUnit beans #47857

🐞 Bug Fixes

• Incorrect metadata for HttpServiceClientProperties ("spring.http.serviceclient") #47943
• Setting 'max-uri-tags' does not prevent unlimited meter growth on any AutoConfiguredCompositeMeterRegistry #47924
• Docker response 407 is not handled correctly resulting in no error message #47901
• Runtime hints for web resources no longer include nested folders #47894
• Auto-configuration for WebTestClient should be in an autoconfigure package #47892
• Jackson 2 support does not work in some sliced tests #47869
• spring-boot-starter-zipkin is missing spring-boot-micrometer-tracing dependency #47866
• Application TaskExecutor is no longer used when a custom AsyncConfigurer bean is defined #47897
• Custom Jackson serializers are no longer included in WebMvcTest and WebFluxTest #47864
• spring-boot-webtestclient is missing from GraphQL test starter #47849
• spring-boot-security brings test dependencies #47813
• @JsonTest and @AutoConfigureJson fail when using spring-boot-jackson2 #47811
• Message converter customizer ordering impedes overriding #47798
• Deprecated testcontainers implementations are no longer detected #47796
• reactor-test is missing from reactive test starters #47795
• spring-kafka-test is missing from spring-boot-starter-kafka-test #47793
• spring-batch-test is missing from spring-boot-starter-batch-test #47792
• spring-rabbit-test is missing from spring-boot-starter-amqp-test #47791
• App fails to start when using Actuator with Jackson 2 and without spring-web #47788
• Depending on spring-boot-starter-actuator without a tracing bridge results in empty and unwanted correlation IDs in the logs #47785
• spring-boot-maven-plugin process-aot goal does not find package-private main method #47783
• Templating auto-configurations still have enabled properties that are not relevant following modularization #32250

📔 Documentation

• Config property management.logging.export.enabled is missing from documentation #47961
• Add a section about upgrading to Spring Boot 4.x #47916
• BootstrapContext#getOrElseThrow has incorrect reference to IllegalStateException #47906
• Clarify when BootstrapContext get methods may return null rather than throwing an exception or calling the fallback supplier #47899
• Document that web clients are opt-in with @SpringBootTest #47891
• Document AssertJ support in RestTestClient #47881
• Document that Actuator endpoint may have at most one extension of each type #47874
• Limit Kotlin API documentation to Kotlin-specific APIs #47860
• Correct link to JacksonTester in JacksonTesterTestAutoConfiguration javadoc #47784

🔨 Dependency Upgrades

• Downgrade to Cassandra Driver 4.19.0 #47938
• Upgrade to AspectJ 1.9.25 #47931
• Upgrade to Caffeine 3.2.3 #47884
• Upgrade to Elasticsearch Client 9.2.0 #47847
• Upgrade to GraphQL Java 25.0.beta-9 #47911
• Upgrade to Hibernate 7.1.6.Final #47932
• Upgrade to Jackson 2 Bom 2.20.1 #47886
• Upgrade to JUnit Jupiter 6.0.1 #47933
• Upgrade to Kotlin 2.2.21 #47887
• Upgrade to Prometheus Client 1.4.2 #47888
• Upgrade to Quartz 2.5.1 #47889
• Upgrade to R2DBC Postgresql 1.1.1.RELEASE #47890
• Upgrade to Rabbit AMQP Client 5.27.1 #47950
• Upgrade to Spring Batch 6.0.0-RC2 #47842
• Upgrade to Spring Data Bom 2025.1.0-RC2 #47843
• Upgrade to Spring Framework 7.0.0-RC3 #47850
• Upgrade to Spring GraphQL 2.0.0-RC2 #47879
• Upgrade to Spring HATEOAS 3.0.0-RC2 #47851
• Upgrade to Spring Integration 7.0.0-RC2 #47880
• Upgrade to Spring Security 7.0.0-RC3 #47844

❤️ Contributors

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

@Walti91, @filiphr, @mipo256, @namest504, @ngocnhan-tran1996, @siva-sai-udaygiri, and @tschut

v4.0.0-RC1

⭐ New Features

• Revisit metrics and tracing test properties #47776
• Downgrade to GraphQL Java 24.3 #47752
• Configure devtools to set trace probability to 100% by default #47721
• Remove "public" from referenced configurations from auto-configurations #47715
• Remove support for Spring Pulsar Reactive #47707
• Add Jackson 2 module to ease upgrade effort #47688
• Remove ConcurrentReferenceCachingMetadataReaderFactory #47687
• Remove integration for REST Docs' REST Assured support until REST Assured supports Groovy 5 #47685
• Remove support for embedded jar launch scripts #47666
• Remove support for Spring Session Data MongoDB #47662
• Remove support for Spring Session Hazelcast #47661
• Drop Spock until it supports Groovy 5 #47650
• Provide auto-configuration for Jackson's CBOR data format #47641
• Add support for @ObservationKeyValue #47637
• Rename Jackson-specific Json… annotations and classes to Jackson… #47625
• Use Neo4j Java Driver BOM #47623
• Add TWENTY_FIVE to JavaVersion enum #47616
• Rationalize endpoint packages #47606
• Refactor spring-boot-cloudfoundry package structure #47605
• Rename spring-boot-tx module to spring-boot-transaction #47603
• Use JsonMapper instead of ObjectMapper where feasible #47503
• Automatically detect Jackson 3 modules #47485
• Add AWS ECS to cloud platforms #47482
• Rename SharedObjectMapper to SharedJsonMapper #47471
• Provide a configuration property to auto-configure Jackson 3 for best compatibility with Spring Boot 3's Jackson 2 defaults #47470
• Raise GraalVM baseline to 25 #47433
• Clarify that spring-boot-rsocket does not require spring-web #47409
• Rationalize HTTP client configuration properties #47398
• Disable LiveReload server by default #47387
• Update Neo4j support to require Neo4j Java Driver 6.0.0 #47381
• Remove SQL and Reactor starters as they are only used transitively #47378
• Rationalize SSL bundle configuration in RedisConnectionDetails #47375
• Add support for RestTestClient #47335
• Rename Spring Session properties that depend on Spring Data #47333
• Rename JsonMapper-specific properties to make it clear that they're JSON-specific #47328
• Move spring.jackson.datetime.<feature-name> to spring.jackson.datatype.datetime #47327
• Modularize spring-boot-test-autoconfigure #47322
• Allow jars to be marked as a development-tool to exclude from uber-jar #47320
• Switch Maven plugin to exclude optional dependencies by default #47318
• Provide a configuration property for enabling and disabling Elasticsearch Client's sniffer #47301
• Add @ControllerAdvice support to RSocket messaging auto-configuration #47287
• Reintroduce previous EnvironmentPostProcessor in deprecated form #47272
• Remove Bitnami support #47267
• Improve how Spring AMQP's retry can be configured #47264
• Refine JSpecify annotations #47263
• Add support for configuring HttpClientTransport in JettyClientHttpConnectorBuilder #47251
• Raise the minimum supported version of the CycloneDX Gradle Plugin to 3.0.0 #47250
• Make all type exclude filters package-private #47227
• Rename …DataAutoConfiguration to Data…AutoConfiguration #47049
• Configure Lettuce with MicrometerTracing instead of MicrometerCommandLatencyRecorder when micrometer-tracing is available #46975
• Add support for static master-replica with Lettuce #46957
• Review and refine where possible war deployments following 4.0's modularisation #46944
• Remove unused SHA-1 hash from UNPACK markers #46520
• Adopt Framework's HttpMessageConverters #46411
• Add native image support for Log4J integration #46410
• Modularize spring-boot-test #46356
• Add support for in-memory Batch infrastructure #46307
• Package mappings and exchanges classes consistently #46217
• Introduce a shared abstraction for database initialization #46213
• Add FONTS location to StaticResourceLocation #46208
• Update Log4j's configuration using reconfigure rather than start #46035
• Drop spring-boot-loader-classic support #45714
• Allow DevTools property defaults to be contributed by modules #44792

🐞 Bug Fixes

• Signed jar verification fails when nested in an uber war running on an Oracle JVM #47772
• In an uber war, value of the Sbom-Location manifest attribute does not match the SBOM's actual location #47739
• Homebrew formula for the CLI should use libexec #47723
• When virtual threads are enabled, embedded Jetty does not use recommended virtual thread configuration #47718
• Dependency management for Hibernate is inconsistent #47698
• ClientHttpRequestFactoryRuntimeHints is missing timeout methods with Duration overloads #47679
• @AutoConfigureHttpGraphQlTester should not trigger the configuration of mockMvc #47660
• The 'spring.mongodb.representation.uuid' property cannot be bound #47654
• OnBeanCondition no longer correctly finds annotations on scoped target proxy beans #47636
• JavaVersion doesn't work reliably in native-image #47621
• Using CodecCustomizer requires explicit dependency on spring-boot-http-codec #47397
• Auto-configured JsonMapper backs off when any type of ObjectMapper is defined #47379
• LiquibaseEndpoint always uses defaultSchema instead of liquibaseSchema #47347
• Maven plugin does not provide an easy way to exclude opti...

v3.5.7

⭐ New Features

• Add TWENTY_FIVE to JavaVersion enum #47609

🐞 Bug Fixes

• Signed jar verification fails when nested in an uber war running on an Oracle JVM #47771
• In an uber war, value of the Sbom-Location manifest attribute does not match the SBOM's actual location #47737
• Homebrew formula for the CLI should use libexec #47722
• When virtual threads are enabled, embedded Jetty does not use recommended virtual thread configuration #47717
• ClientHttpRequestFactoryRuntimeHints is missing timeout methods with Duration overloads #47678
• OnBeanCondition no longer correctly finds annotations on scoped target proxy beans #47635
• JavaVersion doesn't work reliably in native-image #47620
• LiquibaseEndpoint always uses defaultSchema instead of liquibaseSchema #47346
• Launcher fails to find main method when it is parameterless #47311
• Package private Main class using Java 25 is not found by build plugins #47309
• Bitnami legacy images are not automatically detected #47275
• Maven plugin does not provide an easy way to exclude optional dependencies from uber jar #25403

📔 Documentation

• Some spring.test.* properties are not documented #47775
• Dependency management for Maven AntRun Plugin is missing changelog link #47744
• Developing Your First Spring Boot Application has outdated tools #47700
• Include deprecated configuration properties in the reference documentation #47669
• Aggregated Javadoc should link to the proper version of JakartaEE #47593
• Update javadoc of TestRestTemplate following change to redirect behavior #47474
• Use non-deprecated syntax to configure sourceCompatibility #47343
• Fix link to Framework's @Bean annotation #47330
• Update managed dependency version override examples in documentation #47306

🔨 Dependency Upgrades

• Upgrade to ActiveMQ 6.1.8 #47767
• Upgrade to Angus Mail 2.0.5 #47525
• Upgrade to AssertJ 3.27.6 #47526
• Upgrade to Byte Buddy 1.17.8 #47527
• Upgrade to Cassandra Driver 4.19.1 #47768
• Upgrade to Classmate 1.7.1 #47528
• Upgrade to Elasticsearch Client 8.18.8 #47671
• Upgrade to Glassfish JAXB 4.0.6 #47529
• Upgrade to GraphQL Java 24.3 #47755
• Upgrade to Groovy 4.0.29 #47713
• Upgrade to Hibernate 6.6.33.Final #47530
• Upgrade to HttpClient5 5.5.1 #47531
• Upgrade to HttpCore5 5.3.6 #47532
• Upgrade to Jakarta Mail 2.1.5 #47533
• Upgrade to Jakarta XML Bind 4.0.4 #47242
• Upgrade to Jetty 12.0.29 #47728
• Upgrade to Jetty Reactive HTTPClient 4.0.12 #47534
• Upgrade to jOOQ 3.19.27 #47536
• Upgrade to Logback 1.5.20 #47714
• Upgrade to Lombok 1.18.42 #47538
• Upgrade to Maven Compiler Plugin 3.14.1 #47539
• Upgrade to Micrometer 1.15.5 #47457
• Upgrade to Micrometer Tracing 1.5.5 #47458
• Upgrade to MongoDB 5.5.2 #47648
• Upgrade to MSSQL JDBC 12.10.2.jre11 #47612
• Upgrade to Netty 4.1.128.Final #47649
• Upgrade to Postgresql 42.7.8 #47540
• Upgrade to Pulsar 4.0.7 #47541
• Upgrade to R2DBC H2 1.0.1.RELEASE #47729
• Upgrade to R2DBC Postgresql 1.0.8.RELEASE #47542
• Upgrade to Reactor Bom 2024.0.11 #47459
• Upgrade to RxJava3 3.1.12 #47543
• Upgrade to Spring AMQP 3.2.8 #47614
• Upgrade to Spring Authorization Server 1.5.3 #47460
• Upgrade to Spring Batch 5.2.4 #47487
• Upgrade to Spring Data Bom 2025.0.5 #47461
• Upgrade to Spring Framework 6.2.12 #47462
• Upgrade to Spring GraphQL 1.4.3 #47754
• Upgrade to Spring Integration 6.5.3 #47615
• Upgrade to Spring LDAP 3.3.4 #47463
• Upgrade to Spring Pulsar 1.2.11 #47464
• Upgrade to Spring Security 6.5.6 #47465
• Upgrade to Spring Session 3.5.3 #47466
• Upgrade to Spring WS 4.1.2 #47467
• Upgrade to Tomcat 10.1.48 #47613
• Upgrade to Undertow 2.3.20.Final #47545
• Upgrade to WebJars Locator Lite 1.1.2 #47546

❤️ Contributors

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

@DKARAGODIN, @JinhyeokFang, @Lublanski, @Pankraz76, @fhiyo, @ngocnhan-tran1996, @nosan, @scottfrederick, and @xyraclius

v3.4.11

🐞 Bug Fixes

• In an uber war, value of the Sbom-Location manifest attribute does not match the SBOM's actual location #47735
• Homebrew formula for the CLI should use libexec #47696
• When virtual threads are enabled, embedded Jetty does not use recommended virtual thread configuration #47690
• ClientHttpRequestFactoryRuntimeHints is missing timeout methods with Duration overloads #47675
• OnBeanCondition no longer correctly finds annotations on scoped target proxy beans #47633
• JavaVersion doesn't work reliably in native-image #47619
• In an uber war, value of the Sbom-Location manifest attribute does not match the SBOM's actual location #47408
• LiquibaseEndpoint always uses defaultSchema instead of liquibaseSchema #47300
• Signed jar verification fails when nested in an uber war running on an Oracle JVM #47284
• Bitnami legacy images are not automatically detected #46983

📔 Documentation

• Dependency management for Maven AntRun Plugin is missing changelog link #47732
• Developing Your First Spring Boot Application has outdated tools #47699
• Include deprecated configuration properties in the reference documentation #47622
• Aggregated Javadoc should link to the proper version of JakartaEE #47592
• Use non-deprecated syntax to configure sourceCompatibility #47339
• Fix link to Framework's @Bean annotation #47329
• Update managed dependency version override examples in documentation #47304

🔨 Dependency Upgrades

• Upgrade to ActiveMQ 6.1.8 #47766
• Upgrade to Angus Mail 2.0.5 #47506
• Upgrade to Classmate 1.7.1 #47507
• Upgrade to Glassfish JAXB 4.0.6 #47508
• Upgrade to Groovy 4.0.29 #47711
• Upgrade to Hibernate 6.6.33.Final #47509
• Upgrade to HttpCore5 5.3.6 #47510
• Upgrade to Jakarta Mail 2.1.5 #47511
• Upgrade to Jakarta XML Bind 4.0.4 #47237
• Upgrade to Jaybird 5.0.10.java11 #47513
• Upgrade to Jetty 12.0.29 #47726
• Upgrade to Jetty Reactive HTTPClient 4.0.12 #47514
• Upgrade to jOOQ 3.19.27 #47516
• Upgrade to Logback 1.5.20 #47712
• Upgrade to Lombok 1.18.42 #47518
• Upgrade to Micrometer 1.14.12 #47446
• Upgrade to Micrometer Tracing 1.4.11 #47447
• Upgrade to MSSQL JDBC 12.8.2.jre11 #47607
• Upgrade to Netty 4.1.128.Final #47647
• Upgrade to Postgresql 42.7.8 #47519
• Upgrade to Pulsar 3.3.9 #47520
• Upgrade to R2DBC H2 1.0.1.RELEASE #47727
• Upgrade to R2DBC Postgresql 1.0.8.RELEASE #47521
• Upgrade to Reactor Bom 2024.0.11 #47448
• Upgrade to RxJava3 3.1.12 #47522
• Upgrade to Spring AMQP 3.2.8 #47610
• Upgrade to Spring Authorization Server 1.4.6 #47449
• Upgrade to Spring Batch 5.2.4 #47486
• Upgrade to Spring Data Bom 2024.1.11 #47450
• Upgrade to Spring Framework 6.2.12 #47451
• Upgrade to Spring Integration 6.4.8 #47611
• Upgrade to Spring LDAP 3.2.15 #47452
• Upgrade to Spring Pulsar 1.2.11 #47453
• Upgrade to Spring Security 6.4.12 #47454
• Upgrade to Spring Session 3.4.6 #47455
• Upgrade to Spring WS 4.0.16 #47456
• Upgrade to Tomcat 10.1.48 #47608
• Upgrade to Undertow 2.3.20.Final #47524

❤️ Contributors

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

@DKARAGODIN, @Lublanski, @fhiyo, @ngocnhan-tran1996, @nosan, @scottfrederick, and @xyraclius

v4.0.0-M3

⭐ New Features

• Deprecate JUnit 4 integration #47256
• Add support for SimpleTaskExecutor#cancel-remaining-tasks-on-close #47244
• Restructure foundational packages to remove dependency on 'org.springframework.boot' #47232
• Add configuration property for Tomcat's static resource cache max size #47229
• Introduce specialized interfaces in PropertiesConfigAdapter #47226
• Make ConfigDataLocation.of non-nullable #47221
• Make SanitizableData.key non-nullable #47220
• Add methods to connector and request factory builds to apply pre-packaged customizations #47205
• Finalize and document Spring Boot's HTTP Service client support #47179
• Revisit Kotlin Serialization integration #47178
• Remove explicit dependency management for Spring Authorization Server as it is now part of Spring Security #47174
• Adapt RetryTopicConfiguration now that Spring Kafka no longer relies on Spring Retry #47125
• Remove auto-configuration support for '@HttpServiceClient' #47123
• Adapt RabbitRetryTemplateCustomizer now that Spring AMQP no longer relies on Spring Retry #47122
• Rename spring.mongodb.uuid-representation #47052
• Remove Spring Data MongoDB dependency from MongoDB health support #47051
• Always use mongodb rather than mongo in MongoDB-related configuration properties #47050
• Remove GridFs from MongoConnectionDetails #47044
• Rename *DataProperties classes to Data*Properties #47043
• Add a configuration property for configuring Spring Data MongoDB's BigDecimal representation #47041
• Rename ConditionalOnEnabledTracing to ConditionalOnEnabledTracingExport #47029
• Update PropertyMapper to better support nullability #47024
• Drop support for Jersey, at least until it supports JAX-RS 4 (Jakarta EE 11) #47017
• Rename ScheduledTasksObservabilityAutoConfiguration to ScheduledTasksObservationAutoConfiguration #46995
• Refine JSpecify annotations #46926
• Introduce Kotlin Serialization auto-configuration #46546
• Exclude spring-boot-devtools from AOT processing in Maven #46533
• Improve Log4j Core configuration file detection for Log4j 3 #46409
• Remove dependency management for Spring Retry in favor of spring-core's new retry support #46309
• Optimize resource lookup in DevTools restart #46289
• Add support for authenticating with Elasticsearch using an API key #46167
• Remove isImmutable and getPrefix from OriginLookup #45547
• Update Jackson support to require Jackson 3 #45535
• Use a shaded version of org.json in spring-boot-configuration-metadata and spring-boot-cli #45504
• Replace @OptionalParameter with JSpecify's @Nullable #45390
• Create spring-boot-persistence module to house general persistence-related code and properties #45328
• Rename spring-boot-starter-aop to spring-boot-starter-aspectj #42948
• Rename MongoDB properties that do not require Spring Data MongoDB #34954
• Enable readiness and liveness probe endpoints by default #22825

🐞 Bug Fixes

• App fails to start when trying to use Prometheus without Actuator #47175
• Quoted -D arguments break system property resolution on Linux with Spring AOT #47167
• available() does not behave correctly when reading stored entries from a NestedJarFile #47058
• spring-boot-docker-compose doesn't create service connections when image has registry host but not project #47020
• Flyway Ignore Migration Patterns setting can't be set to an empty string #47014

📔 Documentation

• Default value of server.tomcat.resource.cache-ttl is not documented #47254
• Document Java 25 support #47248
• Fix links to Flyway reference documentation #46989
• Clarify Javadoc of Customizer interfaces about overriding behavior #46943

🔨 Dependency Upgrades

• Upgrade to Couchbase Client 3.9.1 #47129
• Upgrade to Ehcache3 3.11.1 #46893
• Upgrade to Elasticsearch Client 9.1.4 #47173
• Upgrade to Flyway 11.13.1 #47261
• Upgrade to Gson 2.13.2 #47153
• Upgrade to Hibernate 7.1.1.Final #47217
• Upgrade to HikariCP 7.0.2 #47060
• Upgrade to HtmlUnit 4.16.0 #47061
• Upgrade to HttpCore5 5.3.5 #47062
• Upgrade to Infinispan 15.2.6.Final #47063
• Upgrade to Jackson Bom 3.0.0-rc9 #47130
• Upgrade to Jakarta Activation 2.1.4 #47161
• Upgrade to Jakarta Mail 2.1.4 #47064
• Upgrade to Jaybird 6.0.3 #47065
• Upgrade to Jedis 6.2.0 #47045
• Upgrade to Jetty 12.1.1 #47131
• Upgrade to jOOQ 3.19.26 #47154
• Upgrade to Kafka 4.1.0 #47066
• Upgrade to Kotlin 2.2.10 #47067
• Upgrade to Lettuce 6.8.1.RELEASE #47046
• Upgrade to Lombok 1.18.40 #47068
• Upgrade to MariaDB 3.5.6 #47168
• Upgrade to Maven Failsafe Plugin 3.5.4 #47195
• Upgrade to Maven Shade Plugin 3.6.1 #47196
• Upgrade to Maven Surefire Plugin 3.5.4 #47197
• Upgrade to Micrometer 1.16.0-M3 #46996
• Upgrade to Micrometer Tracing 1.6.0-M3 #46997
• Upgrade to MongoDB 5.6.0 #47169
• Upgrade to Netty 4.2.6.Final #47132
• Upgrade to OpenTelemetry 1.54.0 #47133
• Upgrade to Pulsar 4.1.0 #47170
• Upgrade to R2DBC MSSQL 1.0.3.RELEASE #47171
• Upgrade to Reactor B...

v3.5.6

🐞 Bug Fixes

• Quoted -D arguments break system property resolution on Linux with Spring AOT #47166
• Groovy Templates fails with an NPE when rendering an auto new line #47139
• available() does not behave correctly when reading stored entries from a NestedJarFile #47057
• spring-boot-docker-compose doesn't create service connections when image has registry host but not project #47019
• Flyway Ignore Migration Patterns setting can't be set to an empty string #47013

📔 Documentation

• Default value of server.tomcat.resource.cache-ttl is not documented #47253
• Document Java 25 support #47245
• Fix links to Flyway reference documentation #46988
• Clarify Javadoc of Customizer interfaces about overriding behavior #46942

🔨 Dependency Upgrades

• Upgrade to Ehcache3 3.10.9 #47106
• Upgrade to Elasticsearch Client 8.18.6 #47094
• Upgrade to Gson 2.13.2 #47158
• Upgrade to Hibernate 6.6.29.Final #47216
• Upgrade to HikariCP 6.3.3 #47187
• Upgrade to HttpCore5 5.3.5 #47108
• Upgrade to Infinispan 15.2.6.Final #47109
• Upgrade to Jakarta Activation 2.1.4 #47188
• Upgrade to Jakarta Mail 2.1.4 #47110
• Upgrade to Jaybird 6.0.3 #47111
• Upgrade to Jetty 12.0.27 #47159
• Upgrade to jOOQ 3.19.26 #47160
• Upgrade to Lombok 1.18.40 #47113
• Upgrade to MariaDB 3.5.6 #47189
• Upgrade to Maven Failsafe Plugin 3.5.4 #47190
• Upgrade to Maven Shade Plugin 3.6.1 #47191
• Upgrade to Maven Surefire Plugin 3.5.4 #47192
• Upgrade to Micrometer 1.15.4 #47083
• Upgrade to Micrometer Tracing 1.5.4 #47084
• Upgrade to Netty 4.1.127.Final #47127
• Upgrade to R2DBC MSSQL 1.0.3.RELEASE #47193
• Upgrade to Reactor Bom 2024.0.10 #47085
• Upgrade to Spring AMQP 3.2.7 #47086
• Upgrade to Spring Batch 5.2.3 #47087
• Upgrade to Spring Data Bom 2025.0.4 #47088
• Upgrade to Spring Framework 6.2.11 #47089
• Upgrade to Spring GraphQL 1.4.2 #47090
• Upgrade to Spring Integration 6.5.2 #47091
• Upgrade to Spring Kafka 3.3.10 #47092
• Upgrade to Spring Pulsar 1.2.10 #47093
• Upgrade to Spring Security 6.5.5 #47257
• Upgrade to Tomcat 10.1.46 #47194
• Upgrade to Undertow 2.3.19.Final #47115
• Upgrade to XmlUnit2 2.10.4 #47243

❤️ Contributors

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

@Chanwon-Seo, @doljae, @izeye, and @quaff

v3.4.10

🐞 Bug Fixes

• available() does not behave correctly when reading stored entries from a NestedJarFile #47056
• Flyway Ignore Migration Patterns setting can't be set to an empty string #46984
• spring-boot-docker-compose doesn't create service connections when image has registry host but not project #46974
• Quoted -D arguments break system property resolution on Linux with Spring AOT #46555

📔 Documentation

• Default value of server.tomcat.resource.cache-ttl is not documented #47252
• Fix links to Flyway reference documentation #46976
• Clarify Javadoc of Customizer interfaces about overriding behavior #46938

🔨 Dependency Upgrades

• Upgrade to Ehcache3 3.10.9 #47096
• Upgrade to Hibernate 6.6.29.Final #47215
• Upgrade to HttpCore5 5.3.5 #47098
• Upgrade to Infinispan 15.0.21.Final #47099
• Upgrade to Jakarta Activation 2.1.4 #47181
• Upgrade to Jakarta Mail 2.1.4 #47100
• Upgrade to Jaybird 5.0.9.java11 #47101
• Upgrade to Jetty 12.0.27 #47156
• Upgrade to jOOQ 3.19.26 #47157
• Upgrade to Lombok 1.18.40 #47103
• Upgrade to Maven Failsafe Plugin 3.5.4 #47182
• Upgrade to Maven Shade Plugin 3.6.1 #47183
• Upgrade to Maven Surefire Plugin 3.5.4 #47184
• Upgrade to Micrometer 1.14.11 #47073
• Upgrade to Micrometer Tracing 1.4.10 #47074
• Upgrade to Netty 4.1.127.Final #47128
• Upgrade to R2DBC MSSQL 1.0.3.RELEASE #47185
• Upgrade to Reactor Bom 2024.0.10 #47075
• Upgrade to Spring AMQP 3.2.7 #47076
• Upgrade to Spring Batch 5.2.3 #47077
• Upgrade to Spring Data Bom 2024.1.10 #47078
• Upgrade to Spring Framework 6.2.11 #47079
• Upgrade to Spring Integration 6.4.7 #47080
• Upgrade to Spring Kafka 3.3.10 #47081
• Upgrade to Spring Pulsar 1.2.10 #47082
• Upgrade to Spring Security 6.4.11 #47258
• Upgrade to Tomcat 10.1.46 #47186
• Upgrade to Undertow 2.3.19.Final #47105
• Upgrade to XmlUnit2 2.10.4 #47238

❤️ Contributors

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

@Chanwon-Seo, @doljae, @izeye, and @quaff