⭐ New Features

• AlignJpaTransactionManager default fornestedTransactionAllowed flag#35457
• IntroduceonRetryPolicyInterruption() callback inRetryListener#35442
• Add DataFieldMaxValueIncrementer for SQLite#35440
• Consistent support for non-default NIO.2 FileSystems#35435
• Include exceptions for previous attempts inRetryException thrown for anInterruptedException#35434
• Include current exception in log message for failed retry attempt#35433
• Remove HttpServiceClient Annotation Support#35431
• Deprecateput(MergedContextConfiguration, ApplicationContext) inContextCache#35415
• ServerSentEventHttpMessageReader should process empty data lines#35412
• Make it possible to stream "application/grpc" in Spring MVC via Flux#35401
• Add createException method to ConvertibleClientHttpResponse in RestClient#35391
• Consider throwing an error ifsetVersionRequired andsetDefaultVersion are called onApiVersionConfigurer#35387
• AcceptmaxAttempts(0) inRetryPolicy builder#35362
• Generate consistent validation error messages inRetryPolicy#35355
• Drop support for Undertow as it is not Servlet 6.1 compatible#35354
• Expose retry attempts in RetryException#35351
• RetryException#getCause should not be nullable#35332
• Refine CORS logging for non-processed requests due to no CORS configuration#35314
• Refine Jackson 3 constructors to accept onlyJsonMapper instances for JSON#35282
• ReviseStartupStep to implementAutoCloseable#35277
• Add compression support in JdkClientHttpRequestFactory#35225
• Add support for Micrometer context propagation in Kotlin coroutines#35185
• Add support for Forwarded By HTTP header#34683
• Update HttpStatus to align with RFC9110 where relevant#32870
• ContextCache should close evicted context before loading new context#21007

🐞 Bug Fixes

• RefineNullness for Kotlin functions returningUnit#35420
• Invalid Nullness information for Kotlin properties#35419
• ApiVersionConfigurer.setVersionRequired(...) does not result inMissingApiVersionException#35386
• RestTestClient returns null response body#35385
• Interface client methods that return InputStreams do not throw exceptions on bad HTTP status codes#35375
• @Retryable cannot be used with with@HttpServiceClient due toNullPointerException#35353
• Wrong PathPattern parsing for segments ending in '**'#35339
• RetryTemplate should officially exposeRetryException toRetryListener.onRetryPolicyExhaustion()#35334
• Restore mixed usage support with uri() and queryParam() for query parameters in AbstractMockHttpServletRequestBuilder.buildRequest()#35329
• Kotlinx Serialization doesn't work when using ResponseEntity#35281
• "Failed to read candidate component class" with classfile metadata reading#35252

📔 Documentation

• Docs: Rework mvc-jsp section with JavaConfig example (per review feedback)#35444
• Document programmatic retry support in the reference manual#35436
• Improve reference docs on API versioning by path#35421
• Fix typo in websocket doc#35393
• Refine null-safety tooling introduction#35383
• Fix@HttpServiceClient example in reference manual#35363
• Improve wording for transactional rollback rule semantics#35346
• Document semantics ofRetryException regarding cause and suppressed exceptions#35337
• Formatting issue in RestTestClient documentation#35328

🔨 Dependency Upgrades

• Upgrade to Jackson 3.0.0-rc9 and 2.20.0#35439
• Upgrade to Jetty 12.1.0#35345
• Upgrade to Kotlin 2.2.20#35414
• Upgrade to Micrometer 1.16.0-M3#35453
• Upgrade to Reactor 2025.0.0-M7#35452

❤️ Contributors

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

@Dongnyoung,@J-unStiN,@NeatGuyCoding,@gustaavv,@izeye,@remeio,@shakuzen, and@spicydev

Contributors

⭐ New Features

• Missing@Nullable on JsonPathAssertions.isEqualTo#35445
• Graceful fallback for non-default NIO.2 FileSystems#35443
• Avoid thread pinning in SseEmitter, ResponseBodyEmitter#35423
• Detect Informix error codes asDuplicateKeyException#35400
• Inconsistent nullability forString value arguments inResponseCookiefrom*() factory methods#35377
• RevisittaskTerminationTimeout semantics onSimpleAsyncTaskExecutor/Scheduler#35372
• StandardEvaluationContext.setBeanResolver should allow@Nullable BeanResolver#35371

🐞 Bug Fixes

• "mainThreadPrefix = null " Causing multiple background bean locks to be blocked#35409
• Annotation not found on parameter in overridden method unless method is public#35349
• Annotations on overridden methods not found in type hierarchy with unresolved generics#35342
• Performance degradation when using singleton beans with Provider#35330
• JettyClientHttpConnector buffer leak in Spring Framework 6.2#35319
• Spring application hangs on shutdown with@Scheduled(cron=…) when custom ScheduledExecutorService bean is defined (Java 19+)#35316

📔 Documentation

• Document potential need to useMockito.doXxx() to stub a@MockitoSpyBean#35410
• Fix links to Reactive Libraries and RestTemplate#35392
• Fix broken link in WebDriver docs#35374
• Document Web DataBinder support for RouterFunction#35367
• Improve documentation forApplicationEvents to clarify recommended usage#35335
• Document terms and units inDataSize.parse()#35298
• Refine@Contract Javadoc#35285
• Correct the default value of nestedTransactionAllowed in JpaTransactionManager javadoc#35212

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.14.11#35455
• Upgrade to Reactor 2024.0.10#35454

❤️ Contributors

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

@Dockerel,@Kehrlann,@acktsap,@khj68,@ngocnhan-tran1996,@scordio, and@sgflt

Contributors

⭐ New Features

• Only addhttpServiceProxyRegistry bean when necessary#35307
• Introduce@Proxyable annotation for bean-specific proxy type#35296
• Introduce bean definition attribute for enforcing an interface-based proxy#35293
• Let Spring Boot consistently switch to CGLIB proxies for any proxy processor (including@Retryable,@Async etc.)#35286
• HTTP method support in MappedInterceptor#35273
• Post process outgoing messages in JmsClient#35271
• IntroduceConfigurableApplicationContext.pause() andSmartLifecycle.isPauseable()#35269
• Provide support to configure request interceptors in RestTestClient#35268
• Provide more control over validation in DefaultApiVersionStrategy#35267
• PathApiVersionResolver should not be nullable#35265
• ReplaceuseRequestParam withuseQueryParam inApiVersionConfigurer to align with client#35263
• Add support for MediaType in ApiVersionInserter#35259
• ApiVersionConfigurer misconfiguration is hard to detect when no version resolvers are added#35256
• Support HttpServiceClient annotation#35244
• Prefer mapping without version for requests without a version#35237
• Provide@WebSocketScope annotation and publicSCOPE_WEBSOCKET constant (for consistency with@RequestScope and co)#35235
• Allow getting receipt from StompSession.Subscription.unsubscribe()#35224
• Support wildcard path elements at the start of path patterns#35213
• Improve handling of request parameter without values in MockMvc#35210
• Display original request URI in NoResourceFoundException message#34553
• Add RestTestClient#34428
• Support Hibernate StatelessSession [SPR-2495]#7184

🐞 Bug Fixes

• FixJacksonJsonSockJsMessageCodec imports#35309
• IllegalStateException: No API version attribute#35236

📔 Documentation

• Document constraints for HTTP range requests#35227

🔨 Dependency Upgrades

• Upgrade to Hibernate ORM 7.1#35308
• Upgrade to Jackson 3.0.0-rc6 and 2.19.2#35228
• Upgrade to Jackson 3.0.0-rc8 and 2.20.0-rc1#35295
• Upgrade to Jetty 12.1.0.beta3#35233
• Upgrade to Micrometer 1.16.0-M2#35311
• Upgrade to Reactor 2025.0.0-M6#35310

❤️ Contributors

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

@FBibonne,@NeatGuyCoding,@SRIRAM9487,@Songdoeon,@philwebb, and@rworsnop

Contributors

⭐ New Features

• Optimize NIO path resolution inPathEditor#35304
• Maketype inProblemDetail nullable#35294
• Refine UriUtils#decode and StringUtils#uriDecode implementation and documentation#35253
• Provide configurableuseCaches option forURLConnection usage inUrlResource (avoiding jar file leak)#35218

🐞 Bug Fixes

• @Scheduled tasks running inSimpleAsyncTaskScheduler are interrupted immediately on context close#35254
• ScriptUtils.executeSqlScript() does not support multiple results per statement#35248
• Successful Autowiring Dependent on Configuration ordering and Primary Bean flag#35239
• Locale parameter in MessageSource#getMessage methods should be nullable#35230
• Allow any@Transactional propagation for@TransactionalEventListener with BEFORE_COMMIT phase#35150
• Catalog name should be handled with the provided case#35064
• Accept support for generated keys column name array on HSQLDB and Derby as well#34790
• Handle direct CanncelationException on timeout in JdkClientHttpRequest#34721

📔 Documentation

• Add documentation of RequestMapping about SpEL#35232
• Document SqlBinaryValue behaviour with PostgreSQL#34786

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.14.10#35313
• Upgrade to Reactor 2024.0.9#35312

❤️ Contributors

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

@Allan-QLB,@carsago,@cw-dimedis, and@giampa91

Contributors

⭐ New Features

• LocalDataSourceJobStore should re-initialize statically registered Quartz ConnectionProvider on context restart#35208
• Make rootObject parameter consistently nullable#35206
• Refine multipart converter registration in HttpMessageConverters#35203
• IntroducegetSource() inApplicationContextEvent with covariant return type#35197
• IntroduceContextRestartedEvent as a subtype ofContextStartedEvent#35194
• Align HttpMessageConverters builder with WebFlux codecs variants#35187
• Transaction-scoped resource binding inTransactionSynchronizationManager#35182
• Use flexible generics nullness inRestClient.RequestHeadersSpec.ExchangeFunction#35180
• IntroduceConfigurableApplicationContext.restart() method#35171
• Pause unused application contexts in the TestContext framework#35168
• Skip initialization of aNullBean#35165
• Short-circuit matching algorithm inInstanceFilter#35161
• Support direct matching against exceptions inExceptionTypeFilter#35160
• InstanceFilter andExceptionTypeFilter should setmatchIfEmpty totrue by default#35158
• Require explicit constraints in@Contract#35157
• Specify fetchSize/maxRows/queryTimeout per statement in JdbcClient#35155
• Include MethodParameter[] parameters in HttpRequestValues.Processor#35148
• DeprecateDaoSupport classes#35145
• RemovemaxDuration/maxElapsedTime support fromRetryPolicy#35144
• Introduce@ConcurrencyLimit annotation based onConcurrencyThrottleInterceptor#35133
• Consistently implementtoString() inBackOff strategies#35120
• Support API versioning for functional endpoints#35113
• Migrateorm.hibernate5 toorm.jpa.hibernate package for Hibernate ORM 7.0#35111
• RedesignRetryPolicy to directly incorporateBackOff#35110
• Ability to limit list of supported API versions to explicitly configured ones for Spring MVC#35105
• Refine nullability ofPropertyResolver.getProperty(key: String) extension#35104
• Support for exposing additional object types inSmartFactoryBean#35101
• Add missing@Nullable toMethodInvoker::setArguments parameter#35089
• Support@RequestBody in interface method when computing "consumes" condition#35086
• Consistent validation of supported API versions#35082
• Resolve optional HandlerMethod parameter of@ExceptionHandler method to null#35067
• Add ability to decorate HttpExchangeAdapter through HttpServiceProxyFactory#35059
• IntroduceBuilder API and factory methods forRetryPolicy#35058
• ReviseRetryTemplate for alignment with Reactor (in preparation for@Retryable)#35057
• Add ApiVersionResolver based on parameter in media type#35050
• Support deprecation information in API versioning#35049
• Add support for configuringSslInfo inWebTestClient#35042
• Make built-inRetryPolicy implementationsfinal#35040
• Specify flexible generics nullness in spring-jdbc#34911
• Allow usage of@CheckReturnValue on types and constructors#34910
• Support repeatable writes in FormHttpMessageConverter#writeMultipart#34859
• Convert applicable methods inScope todefault methods#34757
• Add public method to get bean order#34712
• Discard further rows once maxRows has been reached#34709
• SupportDefaultWebFilterChain allowing the current filter to provide its name explicitly#34702
• API Versioning Support#34565
• Introduce@Retryable AOP support (based oncore.retry and Reactor retry functionality)#34529
• Revisit converters and codecs default setup in HTTP stacks#33894
• ConfigurationBeanNameGenerator for@Bean-annotated methods#33448
• QualifiedEntityManager/EntityManagerFactory injection (aligned with Jakarta Persistence 3.2)#33414
• Introduce JmsClient with customizable send/receive operations#32501
• Allow conditional handling of 404 with HTTP Interface clients#32105
• Allow to set TTL (and other QoS-related settings) on a per-message (and/or per-send) basis#26840

🐞 Bug Fixes

• Allow ordering ofHttpMessageConverterss throughWebMvcConfigurer.configureMessageConverters(HttpMessageConverters.Builder)#35177
• Content-Disposition response header duplicated for failed StreamingResponseBody#35116
• CachingMetadataReaderFactory does not cache all metadatareader calls#35112
• sslInfo() should return the builder forMockServerHttpRequest#35075
• HttpService group adapters could not be instantiated in a native image#35038

📔 Documentation

• Improve URLs in Validation chapter of the reference manual#35181
• Update Spring MVC message converters documentation#35166
• Add a note about Field/Method vs. TYPE_USE annotations in reference docs#35098
• Document intention oftoString() inHandlerMethod#35055
• Add section in docs on byte-range requests in Spring MVC and WebFlux#35052

🔨 Dependency Upgrades

• Upgrade to Jetty 12.1.0.beta1#35084
• Upgrade to Kotlin 2.2.0#34453
• Upgrade to Micrometer 1.16.0-M1#35170
• Upgrade to Reactor 2025.0.0-M5#35169

❤️ Contributors

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

@Allan-QLB,@NeatGuyCoding,@OlgaMaciaszek,@Pankraz76,@izeye,@ngocnhan-tran1996,@quaff,@remeio,@renatomameli,@scordio, and@wonyongg

Contributors

⭐ New Features

• OncePerRequestFilter cannot be CGLib-proxied#35198
• Consistently catchInaccessibleObjectException next toIllegalAccessException#35190
• IntroduceDate-to-Instant andInstant-to-Date converters#35175
• Consistent nullability and exception declarations inAbstractMessagingTemplate hierarchy#35159
• Register runtime hints forInstant-to-Timestamp conversion#35156
• Improve handling ofResponseEntity<?> in Spring MVC#35153
• Support@CacheConfig("myCacheName") declarations for simplified configuration#35152
• DeclaremessageSelector parameters inJmsOperations as@Nullable#35151
• Add getter forOverflowStrategy inConcurrentWebSocketSessionDecorator#35132
• Use preset Content-Type for streaming and reactive responses in Spring MVC#35130
• Leniently tolerate null@Aspect bean#35074
• DataAccessResourceFailureException thrown when transaction times out on PostgreSQL#35073
• MethodInvokingFactoryBean fails to invoke publicly exported methods overridden by internal classes when using JPMS#34028

🐞 Bug Fixes

• Restore preference for interface (most abstract) method ingetPubliclyAccessibleMethodIfPossible#35189
• MaketargetBeanName field in AbstractBeanFactoryBasedTargetSourceprotected to avoid exceptions in logging andtoString()#35172
• Fix inconsistencies inStaticListableBeanFactory#35119
• Support StreamingHttpOutputMessage in RestClient#35102
• When buildingDELETE requests, the request body is not used inJdkClientHttpRequest.buildRequest#35068
• AOT-generated bean registration file contains "too many constants" when building with many beans#35044
• Prevent cache pollution by storing only the factories#34732
• WebFlux decodes wildcard content-types as form-data/multipart#34660
• AOT-generated CGLib proxies do not contain method overrides#34642
• 500 response for ResourceHttpRequestHandler when requested range is not satisfied#34490

📔 Documentation

• Document how to register runtime hints for convention-based conversion#35178
• Link to@ContextConfiguration Javadoc from reference manual#35088

🔨 Dependency Upgrades

• Upgrade to JUnit 5.13.3#35103
• Upgrade to Micrometer 1.14.9#35202
• Upgrade to Reactor 2024.0.8#35201

❤️ Contributors

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

@Meijuh,@RazorNd,@chenggwang,@izeye,@mjd507,@ngocnhan-tran1996, and@philwebb

Contributors

⭐ New Features

• AllowFixedBackOff to be constructed with only a custom interval#35028
• Use String.replace in MetadataEncoder#35025
• Revise@Nullable declarations forcontains*() methods inCollectionUtils#35023
• IntroduceJacksonJsonMessageConverter.getObjectMapper()#34963
• Remove(String, String) variants ofsetProperty() andwithProperty() fromMockEnvironment#34948
• Allow access toenv fromSupplierContextDsl#34943
• Consistently declare nullability@Contract for core utilities#34934
• Update HttpServiceGroupConfigurer API#34926
• MakeProblemDetailJacksonXmlMixin compatible with Jackson 3#34925
• Introduce hints inRestClient API#34924
• Add Kotlin body advices#34923
• Add support for callable references toBeanRegistrarDsl#34922
• Additional updates for API versioning in test and client support#34919
• Define nullability@Contract forquote andgetFilename inStringUtils#34896
• Support@Import on interfaces#34820
• Use HexFormat in CharacterEditor#34798
• Use HexFormat in ContentDisposition#34797
• Introduce minimal retry functionality as a core framework feature#34716
• Add support for "application/*+x-protobuf" media type#34645
• Support OutputStream and InputStream in HTTP Interface clients#32358

🐞 Bug Fixes

• @Contract forSupplierUtils.resolve(Supplier) incorrectly declares!null -> !null#34987
• Consistent null check on injection points for pre-existing singleton beans#34952

📔 Documentation

• Refine null-safety documentation terms#34982
• Stop referring to JUnit 5 in documentation#34970
• Fix typos in API versioning#34961
• Add missingsince attributes for@Deprecated declarations#34942
• Improve Javadoc forgetFilename() andgetFilenameExtension() inStringUtils#34932
• Add documentation for HTTP service proxy registry#34912
• Update outdated JettyHttpHandlerAdapter example in reference documentation#34877

🔨 Dependency Upgrades

• Upgrade to Jackson 3.0.0-rc5#34945
• Upgrade to Jetty 12.1.0.beta0#34930
• Upgrade to Kotlin 2.2.0-RC2#34946
• Upgrade to Micrometer 1.15.1#35019
• Upgrade to Netty v4.2.2.Final and Reactor 2025.0.0-SNAPSHOT#34996
• Upgrade to Reactor 2025.0.0-M4#34997

❤️ Contributors

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

@Tussle0410,@doroszkiewicz,@fmbenhassine,@hgh1472,@izeye,@kilink,@kssumin,@kwondh5217,@quaff,@scottfrederick, and@violetagg

Contributors

⭐ New Features

• Nullability@Contract declaration forCodeFlow.isIntegerForNumericOp() is unnecessary#34985
• Serializer hint registration is broken for some Kotlin classes#34979
• Clients created using JdkClientHttpRequestFactory set content-length for GET, DELETE and HEAD requests#34971
• Support registration of non-publicBeanDefinitionReader via@ImportResource#34928
• Make max size for pattern cache inPathPatternMatchableHandlerMapping configurable#34918
• Add optimized DataBufferInputStream overrides#34799

🐞 Bug Fixes

• Encode non-printable character in Content-Disposition parameter#35034
• Allow update of existingWebSession after max sessions limit is reached#35013
• Fix support for collections inAbstractKotlinSerializationHttpMessageConverter#34992
• PathPattern#combine throws StringIndexOutOfBoundsException#34986
• Fix AOT code generation for autowired inner class constructor#34974
• AbstractFileResolvingResource.exists closes JAR resource input streams with v6.2.7#34955
• Enhanced configuration class fails to call package-visible superclass constructor on WebSphere#34950
• FixREPLY_CHANNEL header check inMessageHeaderAccessor#34949
• MockEnvironment does not acceptObject property values#34947
• PropertySourcesPlaceholderConfigurer no longer usesConversionService fromEnvironment#34936
• @Contract forStreamUtils.drain() incorrectly declaresnull results in an exception#34933
• Inconsistent behavior injecting null@Bean factory parameter#34929
• MockHttpServletRequest.addHeader duplicates "Content-Type" header#34913
• BeanUtils.getParameterNames fails for Kotlin data classes#34760
• JAXB message converters ignore Content-Type charset#34745
• Aspect Not Triggered After Restart in Spring Boot 3.4.x (But Works in 3.3.10)#34735
• Add caching headers to unmodified static resources#34614

📔 Documentation

• Applygh-34856 to MockClientHttpRequest in testfixture package#35031
• FixResourceHttpRequestHandler#setHeaders JavaDoc#35004
• Remove reference to AspectJ Eclipse Javadoc#35000
• Mention CompletableFuture in Spring MVC "Asynchronous Requests" section of reference manual#34991
• Fix exception name in ModelAttribute docs#34980
• Fix syntax in@SqlGroup example#34972
• Update X-Forwarded-Proto doc to say https / http#34959
• Update Guidance on Best Practices To Test Code That Uses RestClient and RestTemplate#34892
• Add a section for WebAsyncTask in mvc-ann-async.adoc#34885
• Clarify what@RestControllerAdvice vs@ControllerAdvice apply to by default#34866
• Improve Javadoc for@ExceptionHandler#34554

🔨 Dependency Upgrades

• Upgrade to HttpComponents HttpClient 5.5#34941
• Upgrade to Micrometer 1.14.8#35020
• Upgrade to Reactor 2024.0.7#35021

❤️ Contributors

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

@Allan-QLB,@Aurh1l,@BowieDu,@DhruvTheDev1,@Dongnyoung,@JimmyAx,@addoDev,@dmitrysulman,@izeye,@jjank,@kilink,@mbazos,@msnsaeed71,@ngocnhan-tran1996,@nosan,@remeio,@vpavic, and@yuzawa-san

Contributors

🐞 Bug Fixes

• Encode non-printable character in Content-Disposition parameter#35035
• Allow update of existingWebSession after max sessions limit is reached#35018
• Enhanced configuration class fails to call package-visible superclass constructor on WebSphere#34951

🔨 Dependency Upgrades

• Upgrade to Reactor 2023.0.19#35022

⭐ New Features

• DeprecatePropertyPlaceholderConfigurer andPreferencesPlaceholderConfigurer for removal#34880
• Add Consumer based variant methods to HttpRequestValues builder#34870
• Add defaultApiVersion to RestClient and WebClient builders#34857
• Evaluate system properties in default HttpClient in ReactorClientHttpRequestFactory#34850
• Use beanClassLoader in the HTTP Service Registrar#34846
• Deprecate JUnit 4 support in the Spring TestContext Framework#34794
• Ability to validate supported API versions only against explicitly configured ones#34775
• Revisit Jackson support#33798

🐞 Bug Fixes

• ClassFileAnnotationMetadata.fromTypeDescriptor(…) fails on Java 24#34882
• Align ClassFileClassMetadata with other implementations#34869
• Incorrect filtering of groups with HttpServiceGroupConfigurer#34867
• Aggregated Javadoc no longer published since 7.0.0-M4#34774

📔 Documentation

• Add Reference Documentation for API Versioning#34569

🔨 Dependency Upgrades

• Upgrade to Kotlin 2.1.21#34900
• Upgrade to Micrometer 1.15.0#34888
• Upgrade to Reactor 2025.0.0-M3#34897

❤️ Contributors

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

@dmitrysulman,@philwebb, and@siom79

Contributors