⭐ New Features

• Avoid unnecessary list creation and processing in AbstractTestContextBootstrapper #35995
• AbstractTestContextBootstrapper should resolve ContextLoader only once #35994
• Log RetryException for @Retryable methods #35983
• Consistently stop already started Lifecycle beans on cancelled refresh #35964
• Support timeouts in @Retryable and RetryPolicy #35963
• Use == instead of instanceof for primitive array type checks #35962
• Introduce MultiValueMapCollector for use with streams #35958
• Avoid package cycle caused by use of UriComponentsBuilder in ServletServerHttpRequest #35952
• Target type in Converter interface should be @Nullable #35947
• Provide access to attempt count in RetryListener as well as callbacks for the initial attempt #35940
• DefaultHandshakeHandler should not log client faults on error level #35930
• Log warning when meta-annotation is ignored due to types not present in classpath #35927
• Revise ApplicationContext#getId() nullability to non-null #35925
• Use concurrent set behind reactive TransactionSynchronizationManager#registerSynchronization #35921
• Refine AbstractKotlinSerializationHttpMessageConverter#canWrite #35920
• Register bean dependency for Optional injection point as well #35919
• Change canRead/canWrite overrides to Class ones in AbstractSmartHttpMessageConverter #35916
• Do not make HttpHeaders read-only in HttpEntity #35888
• Add WebFlux SSE support with GSON #35884
• Different ReactorNettyWebSocketSession call getId() may return the same value #35883
• Refine nullability of Assert#noNullElements #35868
• Allow configuring default maxIdleTime on InMemoryWebSessionStore. #35866
• Refine BindingReflectionHintsRegistrar with ObjectToObjectConverter hints #35847
• Add resetCaches() method to general CacheManager interface #35845
• Enhance handleTypeMismatch error message in ResponseEntityExceptionHandler #35837
• Add support for package-private BeanRegistrar in Spring AOT generated code #35803
• Use ExtendedServletRequestDataBinder/ExtendedWebExchangeDataBinder for functional request binding #35800
• Expose Collection on FragmentsRendering to facilitate Unit Tests #35775
• Improve i18n-support for NoResourceFoundException #35758
• Cache resolved singleton beans in injected Provider instance #35373

🐞 Bug Fixes

• ContextConfigurationAttributes(Class) constructor incorrectly sets inheritLocations to false #36000
• NullPointerException thrown from JdkClientHttpRequestFactory for null request header value #35996
• State inconsistency in LazyConnectionDataSourceProxy when connection settings fail #35980
• SubscriberInputStream#resume misuses parked thread reference #35978
• Shared EntityManager returned by AbstractEntityManagerFactoryBean cannot be advised by AspectJ interceptor #35974
• RestClient cannot make HEAD requests when the response declares gzip Content-Encoding #35966
• ServerRequestObservationContext(s) miss Propagator.Getter method implementation #35965
• Jackson used instead of kotlinx.serialization for more complex types #35960
• Strong locking in ConcurrentReferenceHashMap#computeIfAbsent may cause context initialisation deadlock #35944
• BridgeMethodResolver change in 6.2.13 breaks Spring Data entity introspection #35936
• DefaultMessageListenerContainer does not clear Session and MessageConsumer for paused invokers #35932
• Tighten cacheable decision behind @Lazy injection point #35917
• AOT-generated bean definition does not consider name of RuntimeBeanReference using name and type #35913
• Accidental fallback match for Collection-type beans due to @Bean-level qualifier annotation #35908
• SingletonSupplier should be defensive against singletonInstance/initialized visibility mismatch #35905
• SortedResourcesFactoryBean does not accept non-existent resources anymore #35895
• Support reading unresolvable types in AbstractJacksonHttpMessageConverter #35889
• Refine Kotlin Serialization codec type checks #35885
• UrlHandlerFilter also removes query parameters and fragment when using HTTP redirect #35873
• Fix handling of ServerSentEvent with Jackson encoder #35872
• @EnableResilientMethods does not participate in globally enforced target class proxying #35863
• RestTestClient can leak HTTP connections when no body expectations are performed #35784
• Use provided ReactiveAdapterRegistry in BindingContext constructor #35771
• PathMatchingResourcePatternResolver fails with URI in JAR manifest Class-Path entries #35682

📔 Documentation

• Correct link to Reactive Libraries in reference docs #35970
• Document that annotations are ignored if attributes reference types not present in the classpath #35959
• Remove JUnit 4 based meta-annotation example #35903
• Refer to "Spring Tools" instead of "Spring Tools for Eclipse" in reference manual #35901
• Document that SpringExtension requires JUnit Jupiter 6.0 or higher #35900
• Fix broken Javadoc links to methods #35899
• Clarify JMS sessionTransacted flag for local versus global transaction #35897
• Reference docs should not use obsolete "junit5" links #35892
• Testing chapter references nonexistent Dependency Management documentation #35890
• Wrong interface in WebFlux Documentation page for API Version #35887
• Update reference documentation to use Jackson 3 #35886

🔨 Dependency Upgrades

• Upgrade to json-path 2.10.0 #35924
• Upgrade to Micrometer 1.16.1 [#3...

⭐ New Features

• Avoid package cycle caused by use of UriComponentsBuilder in ServletServerHttpRequest #35954
• DefaultHandshakeHandler should not log client faults on error level #35948
• Use concurrent set behind reactive TransactionSynchronizationManager#registerSynchronization #35922
• Expose Collection on FragmentsRendering to facilitate Unit Tests #35912
• Different ReactorNettyWebSocketSession call getId() may return the same value #35911
• Enhance handleTypeMismatch error message in ResponseEntityExceptionHandler #35878

🐞 Bug Fixes

• NullPointerException thrown from JdkClientHttpRequestFactory for null request header value #35998
• State inconsistency in LazyConnectionDataSourceProxy when connection settings fail #35981
• SubscriberInputStream#resume misuses parked thread reference #35979
• PathMatchingResourcePatternResolver fails with URI in JAR manifest Class-Path entries #35967
• Strong locking in ConcurrentReferenceHashMap#computeIfAbsent may cause context initialisation deadlock #35945
• BridgeMethodResolver change in 6.2.13 breaks Spring Data entity introspection #35941
• DefaultMessageListenerContainer does not clear Session and MessageConsumer for paused invokers #35935
• Tighten cacheable decision behind @Lazy injection point #35918
• Use provided ReactiveAdapterRegistry in BindingContext constructor #35914
• Accidental fallback match for Collection-type beans due to @Bean-level qualifier annotation #35909
• SortedResourcesFactoryBean does not accept non-existent resources anymore #35896

📔 Documentation

• Document that annotations are ignored if attributes reference types not present in the classpath #35973
• Fix broken Javadoc links to methods #35904
• Refer to "Spring Tools" instead of "Spring Tools for Eclipse" in reference manual #35902
• Clarify JMS sessionTransacted flag for local versus global transaction #35898
• Reference docs should not use obsolete "junit5" links #35893
• Testing chapter references nonexistent Dependency Management documentation #35891

🔨 Dependency Upgrades

• Upgrade to json-path 2.10.0 #35937
• Upgrade to Micrometer 1.14.14 #35986
• Upgrade to Reactor 2024.0.13 #35987

⭐ New Features

• Align RestOperations Kotlin extensions nullability with Java one #35852
• Add resetCaches() method to Caffeine/ConcurrentMapCacheManager #35840
• Fix single-check idiom in UnmodifiableMultiValueMap #35822
• Fix Spliterator characteristics in ConcurrentReferenceHashMap #35817
• RestTestClient does not configure JsonPathAssertions in the same way as WebTestClient #35793

🐞 Bug Fixes

• Fix JdbcOperations Kotlin extensions #35846
• Fix getCacheNames() concurrent access in NoOpCacheManager #35842
• Annotation discovery regression for interfaces extending BeanNameAware and co. #35835
• MissingPathVariableException produces wrong status code in ProblemDetail #35829
• Refine ParameterizedPreparedStatementSetter nullability #35749
• Fix HtmlUtils unescape for supplementary chars #35477

📔 Documentation

• Fix cross-reference links in HtmlUnit sections #35853
• Remove @see Javadoc references to deprecated PropertiesBeanDefinitionReader #35836
• Replace kotlin-issues attribute reference #35820
• Document semantics and behavior of SpringExtension.getApplicationContext() #35764

❤️ Contributors

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

@juntae6942, @kilink, @ngocnhan-tran1996, and @quaff

⭐ New Features

• Add resetCaches() method to Caffeine/ConcurrentMapCacheManager #35841
• Fix single-check idiom in UnmodifiableMultiValueMap #35831
• Fix Spliterator characteristics in ConcurrentReferenceHashMap #35828

🐞 Bug Fixes

• MissingPathVariableException produces wrong status code in ProblemDetail #35856
• Fix getCacheNames() concurrent access in NoOpCacheManager #35844
• Annotation discovery regression for interfaces extending BeanNameAware and co. #35838
• Fix HtmlUtils unescape for supplementary chars #35832

📔 Documentation

• Fix cross-reference links in HtmlUnit sections #35857
• Remove @see Javadoc references to deprecated PropertiesBeanDefinitionReader #35854

🍃 Please read the official release notes and upgrade guide

⭐ New Features

• Make SessionHolder publicly accessible for external resource management #35799
• RouterFunctions Builders do not support ServerResponse subtypes #35791
• Configure Jackson CBOR codecs by default if present #35787
• Rename maxAttempts to maxRetries in @Retryable and RetryPolicy #35772
• Prevent Kotlin Serialization side effects #35761
• Add default API version to the list of supported versions #35755
• Improve user check in TransportHandlingSockJsService #35753
• Update ApiVersionDeprecationHandler to provide access to handler #35750
• Use dedicated classes for ApiVersionResolver implementations #35747
• Provide AOT support for @Nested classes in a @ParameterizedClass #35744
• AssertJ support for WebTestClient #35737
• Reject attempt to use @MockitoSpyBean with a scoped proxy #35722
• Provide a way to supply the client builder for an HttpServiceGroup #35707
• Review HttpMessageConverters.Builder to improve readability of code using the API #35704
• Configure custom Kotlin Serialization converter on HttpMessageConverters #35733

🐞 Bug Fixes

• Missing support for UnprocessableContent in WebClientResponseException.create(HttpStatusCode, ..) methods #35802
• Relax media type checks in HttpMessageConverters #35801
• Fix HttpHeaders and WebSocketHttpHeaders interop issues #35792
• @ConcurrencyLimit weird behavior when combined with @Async and @Transactional #35788
• buildSrc:test failing on JDKs before JDK 25 #35777
• Add jar validation and fix multi-release jar #35768
• Upgrade to JUnit 6.0.1 and prevent AOT test scanning failure for JUnit 4 tests #35740
• Fix port handling in HtmlUnitRequestBuilder #35709
• RestTestClient.mutate() should not have side effects #35698

📔 Documentation

• Document workaround for @PersistenceContext and @PersistenceUnit in test classes in AOT #31442

🔨 Dependency Upgrades

• Upgrade to Jetty 12.1.4 #35805
• Upgrade to Micrometer 1.16.0 #35811
• Upgrade to Reactor 2025.0.0 #35779

❤️ Contributors

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

@Sineaggi and @UpStreamThomas

⭐ New Features

• Support response encoding in select and options JSP form tags #35783
• Preserve Connection readOnly state for DataSource with defaultReadOnly configuration #35743
• Optimize resource URL resolution in SortedResourcesFactoryBean #35687
• Relax multiple segment matching constraints in PathPattern #35686
• Support wildcard path elements at the start of path patterns #35679
• Validating byte[]s may produce OutOfMemoryError #35675
• Update in FragmentsRendering to names of static methods #33974

🐞 Bug Fixes

• ConcurrentReferenceHashMap misses dedicated computeIfAbsent, computeIfPresent, compute, merge implementations #35794
• Avoid unnecessary bridge method resolution around getMostSpecificMethod #35780
• Fix multi-release JAR issue with VirtualThreadDelegate #35773
• ContentNegotiationManager not finding media type when request includes quality parameter #35754
• Race condition in BufferingClientHttpResponseWrapper.getBody() #35745
• Deprecate setConnectTimeout on HttpComponentsClientHttpRequestFactory #35748
• Fix PathMatchingResourcePatternResolver to handle absolute paths in JAR manifests #35732
• BeanDefinitionBuilder.addAutowiredProperty causes error during AOT processing #35731
• Improve HttpServiceMethod support for Kotlin suspending functions returning Flow #35718
• Exception translation does not expose original BatchUpdateException anymore #35717
• Add hints for entities package-private methods #35711
• Fix concurrency permit leak causing deadlock in SimpleAsyncTaskExecutor #35708
• Remove jibx-marshaller element from spring-oxm.xsd #35699
• NullPointerException When Handling 407 with JdkClientHttpConnector in WebClient #35692
• Method-based Map injection fails against target Map with incomplete generics despite bean name or qualifier match #35690
• JUnit Jupiter TEST_METHOD ExtensionContextScope is not fully supported #35680
• Introduce isAutowirableConstructor(Executable, PropertyProvider) in TestConstructorUtils and deprecate existing variants #35676
• Reflection on java.sql.Types without runtime hints #35674
• getPubliclyAccessibleMethodIfPossible() returns hidden static method #35667
• RestClient hangs during upload with ReactorClientHttpRequestFactory #34707

📔 Documentation

• Correct formatting for Mono type #35786
• Improve Java Bean Validation documentation for controller methods #35759
• Fix typo in @NumberFormat Javadoc #35742
• Javadoc of AsyncConfigurer does not match runtime behavior #35736
• Document PathPattern behavior difference between */{name} and **/{*path} #35727
• Fix minor typo in RestClient documentation #35723
• Document test-method scoped TestContext semantics #35716
• Improve docs on AbstractStreamingClientHttpRequest for streaming vs buffering mode #35700
• Fix minor typo in JDBC Core Classes documentation #35684
• Fix typos #35656
• Improve spring-web filter documentation #30454

🔨 Dependency Upgrades

• Upgrade to ASM 9.9 plus lenient version check patch #35763
• Upgrade to Jetty 12.0.30 #35806
• Upgrade to Micrometer 1.14.13 #35810
• Upgrade to Reactor 2024.0.12 #35809

❤️ Contributors

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

@Anxton, @Artur-, @HJC96, @MoadElfatihi, @NYgomets, @cbsingh1, @dmitrysulman, @ekcom, and @scordio

⭐ New Features

• Deprecate the BeanShell scripting support #35720
• Deprecate the lang XML namespace #35719
• Deprecate Hamcrest methods in WebTestClient #35703
• Remove Hamcrest dependency from RestTestClient #35702
• AssertJ support for RestTestClient #35701
• Use test-method scoped ExtensionContext in the SpringExtension #35697
• Remove support for callable references in BeanRegistrarDsl #35694
• Make Protobuf support extensible for gRPC #35403
• Fix CRaC potential hangup after restoring #34372

🐞 Bug Fixes

• Add support for Spring AOT with BeanRegistrar for attribute AutoProxyUtils.originalTargetClass #35645
• SingletonSupplier is not singleton if null is returned on first supplier call #35380

📔 Documentation

• Remove outdated Portlet mentions #35726
• Move the "Groovy Bean Definition DSL" section to the Groovy page #35721
• Remove outdated Spring version mentions #35696
• Document automatic context propagation #35689
• Refine documentation of BeanRegistrarDsl with RouterFunctionDsl #35549

🔨 Dependency Upgrades

• Upgrade to Kotlin 2.2.21 #35714

❤️ Contributors

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

@YaSuenag, @dmitrysulman, and @nosan

⭐ New Features

• Early support for Jakarta Servlet 6.2 and Jakarta Activation 2.2 #35670
• Prevent compilation error with WebTestClient without Hamcrest #35666
• Derive StatelessSession from transactional Session on Hibernate 7.2 #35664
• Consistent support for JPA 3.2 transaction timeouts #35663
• Add support for EntityManagerFactory bootstrapping from JPA 3.2 PersistenceConfiguration #35662

🐞 Bug Fixes

• JdkClientHttpRequestFactory does not clean response headers when decompressing #35668
• Make HttpStatus.resolve return non-deprecated one #35659
• Reflection hints missing for SpringPersistenceUnitInfo.setPersistenceProviderPackageName #35655
• Fix @Import with multiple bean registrars #35653

📔 Documentation

• Declare Servlet mock classes with Servlet 6.1 baseline #35671
• Fix code snippets in Javadoc for exchangeSuccessfully() #35642
• Improve RestTemplate to RestClient migration guide #35620

🔨 Dependency Upgrades

• Downgrade JSONassert to 1.5.x #34901
• Fix Jetty multipart client support with Java 25 #35531
• Upgrade to Jackson 3.0.1 #35677

❤️ Contributors

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

@donalmurtagh, @kamilkrzywanski, @malczuuu, @vpavic, and @wakingrufus

⭐ New Features

• Align default order between @EnableAsync and @EnableResilientMethods #35643
• Add first class ParameterizedTypeReference support to BeanRegistrar #35635
• Support for JTA 2.1 read-only attribute #35633
• UriComponentsBuilder#query should not clear queryParams if null passed in #35629
• Revise PersistenceUnitInfo management for compatibility with JPA 3.2 as well as JPA 4.0 #35622
• Deprecate TransactionCallbackWithoutResult #35606
• Introduce queryParamPredicate in AbstractRequestLoggingFilter #35603
• Add builder-based constructors to Jackson 3 infrastructure #35597
• Refine StringUtils#splitArrayElementsIntoProperties nullability #35595
• Support matching against exception causes in ExceptionTypeFilter #35592
• Match against exception causes in @Retryable and RetryPolicy #35583
• Improve configuration of HttpMessageConverters in RestClient and RestTestClient #35578
• Support Bean Overrides for non-singletons #35574
• Introduce findAnnotatedBeans(ListableBeanFactory) in ControllerAdviceBean #35571
• Support explicitly specifying "no version" on a request #35566
• Simplify overriding of default codec for Jackson 3 vs 2 #35562
• Revise nullability of TransactionCallback, TransactionOperations, and TransactionalOperator #35561
• Refine SingletonSupplier<T> supplier-based static methods nullability #35559
• Add Kotlin extensions for RestTestClient #35558
• Deprecation warning with GraalVM 25 due to --install-exit-handlers #35557
• Introduce MapAccessor in SpEL and deprecate existing implementation in spring-context #35537
• Add serialVersionUID in LinkedCaseInsensitiveMap #35535
• Use uppercase for classpath-related static final field names #35525
• Prevent empty declaration of @ConcurrencyLimit #35523
• Nullability fixes for AtomicReference #35514
• Enhance toString method in SockJsFrame #35510
• Invoke ConfigurationBeanNameGenerator even if a '@Bean(name = ..)' is provided #35505
• Add support for recording and reusing the outcome of classpath scanning #35497
• Upgrade to NullAway 0.12.10 and refine nullability #35492
• Introduce automatic context propagation in CoroutinesUtils#invokeSuspendingFunction #35485
• Missing Nullable on body parameter in HttpClientErrorException.create methods. #35482
• Introduce placeholder resolution support in @ConcurrencyLimit #35470
• Refine PropagationContextElement #35469
• Refine EntityManagerRuntimeHints for Hibernate 7.1+ #35462
• Provide programmatic alternative to @ConcurrencyLimit #35460
• Add caching to default JMS destination resolver #35456
• Deprecate the org.springframework.web.servlet.view.document package #35451
• Support injecting the API version into a controller method #35424
• Provide access to raw content in RestTestClient #35399
• Reject effectively private handler methods on CGLIB proxied controllers #35352
• Use EmbeddedValueResolver to resolve value in MvcUriComponentsBuilder #35348
• Upgrade to JUnit 6 #35124
• Add ParameterizedTypeReference overload next to BeanFactory.getBeanProvider(ResolvableType) #31444
• Provide GSON-based Encoder/Decoder #27131

🐞 Bug Fixes

• ReactorResourceFactory is not restarted properly when ApplicationContext is resumed by TestContext Framework #35585
• AbstractJacksonEncoder ignores FILTER_PROVIDER_HINT when encoding Flux<T> #35575
• HttpMessageConverters overrides custom string converter #35563
• Reinstantiate checks for kotlin-reflect #35511

📔 Documentation

• Remove outdated reference to JSR 305 in the reference documentation #35580
• Update Javadoc related to use of ApiVersionInserter to show examples #35565
• Update references to HTTP service client in the documentation #35522
• Update docs to replace use of "X-API-Version" as an example #35494
• Document placeholder and Ant-style pattern support for @ComponentScan #35491

🔨 Dependency Upgrades

• Upgrade to Jackson 3.0.0 #35521
• Upgrade to Micrometer 1.16.0-RC1 #35639
• Upgrade to Reactor 2025.0.0-RC1 #35637

❤️ Contributors

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

@Allan-QLB, @HyunSangHan, @NeatGuyCoding, @Rockernun, @Wars, @YongGoose, @chemicL, @hosea, @msridhar, @polyglot-k, @quaff, and @sic2

⭐ New Features

• Add "forEachByte" variant to DataBuffer for efficient traversing #35623
• Nested transaction support via savepoints is broken in HSQLDB database [followup] #35618
• Improve exception handling in ConfigurationClassBeanDefinitionReader #35631
• Add MySQL/MariaDB to TableMetaDataProviderFactory for correct generated-keys support #35593
• Optimize state management in StompSubProtocolHandler #35591
• ServletServerHttpRequest.getRemoteAddress() may perform DNS lookup #35589
• Emit log message when multiple primary beans are detected #35550
• Duplicate key error is mapped to TransientDataAccessException by SQLStateSQLExceptionTranslator for BatchUpdateException #35547
• Remove redundant object allocation in cglib proxy method calls #35543
• Remove deprecation on CandidateComponentsIndex and CandidateComponentsIndexLoader #35472
• Processing response with no Content-Length header and no body raises EOFException #35361

🐞 Bug Fixes

• DefaultListableBeanFactory::getBeanNamesForType does not always return all bean names #35634
• Consider defaultCandidate for scoped proxies #35627
• Release data buffer in AbstractCharSequenceDecoder even when String creation fails #35625
• PathMatchingResourcePatternResolver is not able to resolve file in SpringBoot Packaged JAR #35617
• Prevent NoClassDefFoundError when Jetty Reactive HttpClient is not available #35608
• Performance regression with Property Placeholder Resolution #35594
• Retain order of produces media types in @ExceptionHandler #35587
• Nested transaction support via savepoints is broken in HSQLDB database #35564
• SpEL expression parser uses more CPU after upgrade to 6.2.9 #35556
• Thread race during FactoryBean instantiations starting with 6.2 due to lenient locks #35545
• Update parsed path handling in UrlHandlerFilter #35538
• ResourceHttpMessageWriter.write has unexpected error handling for invalid range requests (offset > content length) #35536
• AbstractTestNGSpringContextTests is not thread-safe regarding tracked exceptions #35528
• UrlHandlerFilter breaks RequestDispatcher.forward() on Tomcat #35509
• AbstractMockHttpServletRequestBuilder#buildRequest is not idempotent #35493
• Add support for JvmDefault (default in Kotlin 2.2.20+) #35487
• InstanceSupplierCodeGenerator fails to detect deprecated type on package private factory method #35486
• Fix synchronization in ResponseBodyEmitter #35466
• useCaches option in PathMatchingResourcePatternResolver not applied in special case #35465
• Deadlock during context initialization due to EntityManager lock #35398

📔 Documentation

• Improve guidance in WebFlux on how to join inbound and outbound streams in WebSocketHandler #35572
• Fix idref example in reference manual #35560
• Fix URI Patterns docs in WebMVC and WebFlux Request Mapping #35551
• Allow event listener method declared with multiple event classes to take a single parameter that is assignable from all of those event classes #35506
• Improve Task Javadoc about Runnable wrapping #35394

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.14.12 #35640
• Upgrade to Reactor 2024.0.11 #35638

❤️ Contributors

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

@Entea, @IMurzich, @hosea, @maziyarbahramian, @mlichtblau, @nstdio, @reckart, and @reda-alaoui