spring-projects/spring-boot v4.0.0-RC1

on GitHub

⭐ 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 optional dependencies from uber jar #47319
• Launcher fails to find main method when it is parameterless #47312
• Package private Main class using Java 25 is not found by build plugins #47310
• ProblemDetailJacksonMixin not configured on Jackson JsonMapper #47298
• Spring Boot's dependencies POM is missing spring-boot-persistence #47271
• spring-boot-dependencies contains unwanted dependency management #42522

📔 Documentation

• Update @since tags following modularization #47779
• Improve configuration metadata for spring.jackson.generator and spring.jackson.parser #47778
• Configuration metadata changelog does not list properties that were removed without a prior deprecation #47762
• Published Kotlin API documentation is incorrect #47761
• Configuration metadata changelog does not list properties that were added as deprecated #47759
• Dependency management for Maven AntRun Plugin is missing changelog link #47745
• Developing Your First Spring Boot Application has outdated tools #47701
• Include deprecated configuration properties in the reference documentation #47670
• Aggregated Javadoc should link to the proper version of JakartaEE #47594
• Fix wrong variable name in JacksonTester javadoc #47478
• Update javadoc of TestRestTemplate following change to redirect behavior #47475
• Harmonize Kotlin getting started section in the reference documentation #47428
• Clarify that API versioning for the client is not inferred from the server configuration #47373
• Update links from reference guide to javadoc to account for package name changes due to modularization #47351
• Adapt source code references to new modules in reference guide #47348
• Use non-deprecated syntax to configure sourceCompatibility #47344
• Remove milestone repository from Maven and Gradle examples #47341
• Fix link to Framework's @Bean annotation #47331
• Update managed dependency version override examples in documentation #47307
• Use renamed link to HTTP Service Clients in Spring Framework reference guide #47297
• Rename CDS section in documentation to AOT cache #45201

🔨 Dependency Upgrades

• Upgrade to ActiveMQ 6.1.8 #47769
• Upgrade to Angus Mail 2.0.5 #47557
• Upgrade to Artemis 2.43.0 #47681
• Upgrade to AssertJ 3.27.6 #47558
• Upgrade to Byte Buddy 1.17.8 #47559
• Upgrade to Cassandra Driver 4.19.1 #47770
• Upgrade to Classmate 1.7.1 #47560
• Upgrade to Commons Lang3 3.19.0 #47561
• Upgrade to Couchbase Client 3.9.2 #47599
• Upgrade to Elasticsearch Client 9.1.5 #47677
• Upgrade to Flyway 11.14.1 #47562
• Upgrade to Glassfish JAXB 4.0.6 #47563
• Upgrade to Groovy 5.0.2 #47147
• Upgrade to H2 2.4.240 #47564
• Upgrade to Hibernate 7.1.4.Final #47565
• Upgrade to HtmlUnit 4.17.0 #47566
• Upgrade to HttpClient5 5.5.1 #47567
• Upgrade to HttpCore5 5.3.6 #47568
• Upgrade to Jackson Bom 3.0.1 #47753
• Upgrade to Jakarta Mail 2.1.5 #47570
• Upgrade to Jakarta XML Bind 4.0.4 #47240
• Upgrade to Jedis 7.0.0 #47600
• Upgrade to Jetty 12.1.3 #47730
• Upgrade to Jetty Reactive HTTPClient 4.1.0 #47627
• Upgrade to jOOQ 3.19.27 #47573
• Upgrade to JUnit Jupiter 6.0.0 #47383
• Upgrade to Kotlin 2.2.20 #47628
• Upgrade to Liquibase 5.0.1 #47386
• Upgrade to Log4j2 2.25.2 #46334
• Upgrade to Logback 1.5.20 #47708
• Upgrade to Lombok 1.18.42 #47575
• Upgrade to Maven AntRun Plugin 3.2.0 #47731
• Upgrade to Maven Compiler Plugin 3.14.1 #47576
• Upgrade to Maven Dependency Plugin 3.9.0 #47577
• Upgrade to Maven Enforcer Plugin 3.6.2 #47578
• Upgrade to Maven Javadoc Plugin 3.12.0 #47579
• Upgrade to Micrometer 1.16.0-RC1 #47488
• Upgrade to Micrometer Tracing 1.6.0-RC1 #47489
• Upgrade to Mockito 5.20.0 #47580
• Upgrade to MongoDB 5.6.1 #47643
• Upgrade to MSSQL JDBC 13.2.1.jre11 #47629
• Upgrade to Native Build Tools Plugin 0.11.2 #47683
• Upgrade to Neo4j Java Driver 6.0.1 #47597
• Upgrade to Netty 4.2.7.Final #47652
• Upgrade to OpenTelemetry 1.55.0 #47630
• Upgrade to Postgresql 42.7.8 #47583
• Upgrade to Pulsar 4.1.1 #47584
• Upgrade to R2DBC H2 1.1.0.RELEASE #47658
• Upgrade to R2DBC Postgresql 1.1.0.RELEASE #47585
• Upgrade to Rabbit AMQP Client 5.27.0 #47684
• Upgrade to Reactor Bom 2025.0.0-RC1 #47490
• Upgrade to RxJava3 3.1.12 #47586
• Upgrade to Selenium 4.37.0 #47709
• Upgrade to Selenium HtmlUnit 4.36.1 #47588
• Upgrade to Spring AMQP 4.0.0-RC1 #47491
• Upgrade to Spring Batch 6.0.0-RC1 #47484
• Upgrade to Spring Data Bom 2025.1.0-RC1 #47394
• Upgrade to Spring Framework 7.0.0-RC2 #47743
• Upgrade to Spring GraphQL 2.0.0-RC1 #47492
• Upgrade to Spring HATEOAS 3.0.0-RC1 #47493
• Upgrade to Spring Integration 7.0.0-RC1 #47494
• Upgrade to Spring Kafka 4.0.0-RC1 #47495
• Upgrade to Spring LDAP 4.0.0-RC1 #47496
• Upgrade to Spring Pulsar 2.0.0-RC1 #47497
• Upgrade to Spring RESTDocs 4.0.0-RC1 #47498
• Upgrade to Spring Security 7.0.0-RC1 #47499
• Upgrade to Spring Session 4.0.0-RC1 #47500
• Upgrade to Spring WS 5.0.0-RC1 #47501
• Upgrade to Testcontainers 2.0.1 #47664
• Upgrade to Tomcat 11.0.13 #47589
• Upgrade to Versions Maven Plugin 2.19.1 #47590
• Upgrade to WebJars Locator Lite 1.1.2 #47591
• Upgrade to XML Maven Plugin 1.2.0 #47710

❤️ Contributors

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

@DKARAGODIN, @JinhyeokFang, @Lublanski, @NeatGuyCoding, @Pankraz76, @academey, @dmitrysulman, @dungdm93, @eddumelendez, @facewise, @fhiyo, @fmbenhassine, @injectives, @izeye, @jonatan-ivanov, @meistermeier, @ngocnhan-tran1996, @nosan, @onobc, @ppkarwasz, @quaff, @rstoyanchev, @scottfrederick, @shahabkondri, @var4609, @vpavic, @vy, and @xyraclius