v7.0.0-M2

⭐ New Features

• Consider Kotlinx Serialization for JSON as a Jackson/Gson/Jsonb equivalent #34410
• Improve AnnotatedMethod#equals and HandlerMethod CORS lookups #34375
• Stop using explicitly aliased value attribute as @Component name #34346
• Remove Netty 5 support #34345
• Refine GenericApplicationContext#registerBean nullness #34343
• Add HttpHeaders copy factory method #34341
• StandardWebSocketClient should not expose localAddress #34331
• HierarchicalUriComponents should format Collection URI var values in query param #34311
• Consistent formatting of IPv6 host in forwarded header handling #34253
• Allow customization of cookie parsing in Jetty and JDK HttpClient connectors #34081
• Prevent further configuration once AbstractJdbcCall is compiled #33729

🐞 Bug Fixes

• AnnotatedElementUtils.getAllAnnotationAttributes(…) missing @Nullable #34394

📔 Documentation

• Fix Javadoc @code tags #34342

🔨 Dependency Upgrades

• Upgrade to Kotlin Coroutines 1.10 #34376
• Upgrade to Kotlin Serialization 1.8 #34378

❤️ Contributors

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

@craftmaster2190, @dssievewright, @izeye, @m4tt30c91, and @remeio

v6.2.3

⭐ New Features

• Add form fields to MockMvc Kotlin DSL #34412
• Make ProblemDetail implement Serializable #34409
• Support @MockitoSpyBean at the type level on test classes #34408
• Expose order values of TestExecutionListener implementations as constants #34404
• ContentDisposition should match attributes in a case-insensitive fashion #34383
• Provide access to servletPath in ServletRequestPathUtils #34379
• Use ConversionService to convert POJO to array for SpEL varargs invocations #34371
• Provide a more actionable CGLIB error message with native #34370
• Wrap disconnected client exceptions as AsyncRequestNotUsableException in Servlet container onError callback #34363
• Support RFC 8441 WebSocket upgrade with HTTP/2 CONNECT #34362
• Optimize default property editor allocations for bean instance creation #34361
• Continue with pre-instantiation when current bean is in creation already #34349
• Allow filtering bean instances returned by ObjectProvider#stream() #34318
• GenericConversionService finds wrong converter for partially unresolvable generic types #34298
• Avoid re-creating HandlerMethod unless handler is resolved through the BeanFactory #34277
• UrlResource should leniently handle HTTP endpoints which do not support HEAD #34217
• Add API counterpart for handling Fallback and 'defaultCandidate=false' beans #34203
• Add support for multidimensional arrays #34183
• Add getters to ServerResponseResultHandler #34066
• Improve diagnostics when a Bean Override cannot be selected by type #34006
• Expression performance regression due to missing annotation types on context classes #33948

🐞 Bug Fixes

• PathMatchingResourcePatternResolver failing against non-jar file in classpath #34417
• GenericTypeResolver Since 6.2.0, generics cannot be obtained correctly in multi-layer interface inheritance (possible regression of #24963) #34386
• Test Bean Overrides honor fallback qualifier instead of @Primary semantics #34374
• HTTP interface client raises IllegalArgumentException if query param name contains a colon #34364
• Quartz-style Nth Day of Week cron expressions can overflow to other month #34360
• Component scan fails to find jar entries in WEB-INF/classes with embedded Tomcat #34348
• Check hasNext when when accessing sessionIds from UserDestinationResult #34333
• Property binding to Map that implements Iterable no longer works #34332
• GenericTypeResolver returns EmptyType #34328
• Duplicate BeanOverrideHandler discovered in @Nested test class hierarchy when upgrading to Spring 6.2.2 #34324
• AnnotationBeanNameGenerator issues warning about explicitly aliased value attribute #34317
• Stop assuming that AspectJ Advice has JoinPoint as the first argument #34316
• Constructor binding fails for simple types List/Map/Array and for nested container combinations #34305
• Change in BeanFactoryUtils.beanNamesForTypeIncludingAncestors() Behavior in Spring Framework 6.2.x causing ClassCastExceptions #34300
• Data binding does not filter HTTP headers for constructor binding #34292
• Escaped character in nested placeholder not detected properly and leads to invalid parts #34289
• ReflectJvmMapping.getKotlinFunction returns null for Kotlin properties #34284
• ConfigurationClassEnhancer should explicitly set custom ClassLoader on CGLIB Enhancer (aligned with CglibAopProxy) #34274
• Connection reset exception from RestTemplate call in Spring Web MVC controller is ignored #34264
• AsyncExecution fails to detect the return type of an annotated method from an interface with a generic #33957
• Ensure Locale context is available for WebFlux method validation #33810

📔 Documentation

• Fix reference to ApplicationContext#getAutowireCapableBeanFactory in reference documentation #34400
• Clarify component scanning of abstract classes with @Lookup methods #34367
• Minor update in WebSocket STOMP reference documentation #34353
• Clarify documentation on the usage of RestClient in POST scenarios without response body #34334
• Document limitation around the port of localAddress in StandardWebSocketSession #34304
• Fix Javadoc for field reflection hints #34297
• Improve Javadoc for SpringProperties.getFlag() #34295
• Link to current AspectJ Javadoc #34293
• Update Javadoc for SimpleCommandLinePropertySource #34282
• Update RestClientException Javadoc to refer to RestClient #34270
• Document order values for TestExecutionListener implementations #34265
• Document custom HttpServiceArgumentResolver usage #34227

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.14.4 #34401
• Upgrade to Reactor 2024.0.3 #34403
• Upgrade to RSocket 1.1.5 #34402

❤️ Contributors

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

@JoshuaChen, @Puppy4C, @anaconda875, @brandenclark, @canattofilipe, @dobrosi, @izeye, @jazdw, @khoutz182, @kwondh5217, @pirocraft, @quaff, @remeio, and @tarekmues

v6.1.17

⭐ New Features

• Improve PathMatcher to PathPatternParser migration in mvc XML configuration #34102
• Avoid logger serialization behind shared EntityManager proxy #34085

🐞 Bug Fixes

• Check hasNext when when accessing sessionIds from UserDestinationResult #34397
• Quartz-style Nth Day of Week cron expressions can overflow to other month #34377
• Stop assuming that AspectJ Advice has JoinPoint as the first argument #34369
• ConfigurationClassEnhancer should explicitly set custom ClassLoader on CGLIB Enhancer (aligned with CglibAopProxy) #34358
• Property binding to Map that implements Iterable no longer works #34338
• AnnotationBeanNameGenerator issues warning about explicitly aliased value attribute #34330
• Connection reset exception from RestTemplate call in Spring Web MVC controller is ignored #34278
• Wrong parentId tracking in FlightRecorderApplicationStartup #34254
• Ensure AsyncListener#onError does not return until dispatch completes #34196
• SpEL fails to invoke MethodHandle function reference accepting only varargs #34114

📔 Documentation

• Clarify component scanning of abstract classes with @Lookup methods #34368
• Fix broken links in the web reference documentation #34139

🔨 Dependency Upgrades

• Upgrade to Reactor 2023.0.15 #34406
• Upgrade to RSocket 1.1.5 #34405

v7.0.0-M1

⭐ New Features

• Remove binary array name handling in ClassUtils.forName() #34291
• Refine KotlinDetector usages and implementation #34275
• Introduce a dedicated nullness API #34261
• Consistent formatting of IPv6 host in forwarded header handling #34253
• Update runtime hints predicates after GraalVM changes #34239
• Allow multiple executions of ClientHttpRequestInterceptors #34169
• Refine null-safety in the spring-webmvc module #34164
• Refine null-safety in the spring-webflux module #34163
• Refine null-safety in the spring-web module #34162
• Refine null-safety in the spring-test module #34161
• Refine null-safety in the spring-r2dbc module #34160
• Refine null-safety in the spring-orm module #34159
• Refine null-safety in the spring-messaging module #34158
• Refine null-safety in the spring-jms module #34157
• Refine null-safety in the spring-expression module #34156
• Refine null-safety in the spring-aop module #34154
• Refine null-safety in the spring-beans module #34152
• Refine null-safety in the spring-context module #34151
• Refine null-safety in the spring-core module #34150
• Refine null-safety in the spring-jdbc module #34147
• Specify generic type nullness #34140
• Deprecate PathExtensionPredicate in functional web frameworks #34103
• Deprecate mvc XML configuration namespace #34063
• Remove path mapping options marked as deprecated for removal #34036
• Deprecate HandlerMappingIntrospector #34019
• Deprecate use of PathMatcher in web modules #34018
• Upgrade to Tomcat 11.0 #33916
• Revisit HttpHeaders implementing the MultiValueMap API #33913
• Adopt new GraalVM reachability metadata format #33847
• Built-in support for buffering in RestClient and RestTemplate #33785
• Replace spring-jcl with regular Apache Commons Logging 1.3 #32459
• Prepare AOT resource hints for GraalVM changes #31340
• Deprecate use of several bean factory methods for the same bean in a configuration class #31073
• Migrate to JSpecify annotations for nullability constraints #28797

📔 Documentation

• Fix depth for NullAway subsections in reference docs #34267
• Provide guidelines for NullAway #34202
• MediaType.ALL docstring display issue #34047
• Remove documentation for Kotlin Script Templates #34029

🔨 Dependency Upgrades

• General upgrade to Jakarta EE 11 APIs #34011
• Raise JSONassert baseline to 2.0 #33799
• Upgrade Servlet mock classes to Servlet 6.1 #33749
• Upgrade ServletHttpHandlerAdapter to rely on Servlet 6.1 ByteBuffer support #33748
• Upgrade to Hibernate ORM 7.0 (on JPA 3.2) #33750
• Upgrade to Jetty 12.1.0.alpha1 for EE11 compatibility #34237
• Upgrade to Kotlin 2.x and set a new related baseline #33629

❤️ Contributors

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

@izeye and @remeio

v6.2.2

⭐ New Features

• Track only qualifier annotations in BeanOverrideHandler #34260
• Remove @FunctionalInterface declaration from BeanOverrideProcessor #34259
• Refine default filtered headers for web data binding #34182
• Improve query params in uri KeyValue with HTTP interface client #34176
• Refine location checks for PathResource #34167
• Avoid virtual thread pinning in procedure calling #34133
• Type-level constraint violation should result in ParameterErrors #34105
• Avoid logger serialization behind shared EntityManager proxy #34084
• Improve PathMatcher to PathPatternParser migration in mvc XML configuration #34064
• Support @MockitoBean at the type level on test classes #33925

🐞 Bug Fixes

• HttpHeadersAssert#doesNotContainsHeaders has a typo #34263
• Deadlock with background EntityManager bootstrap due to locking in getSingletonFactoryBeanForTypeCheck #34247
• ApplicationListener no longer invoked for double generic ApplicationEvent with 6.2.1 #34234
• Nested transaction savepoints are broken in SQL Server #34233
• Error handling override in DefaultResponseErrorHandler ignored after upgrade to 6.2.0 #34231
• FileNotFoundException is thrown when using ConfigurationPropertiesScan with Spring Context 6.2.1 #34216
• BindException declared but not handled by ExceptionHandler #34214
• @TestBean factory method resolution is incorrect within class hierarchy #34204
• Bean Override in superclass takes precedence over Bean Override in subclass #34194
• Ensure AsyncListener#onError does not return until dispatch completes #34192
• BeanNotOfRequiredTypeException during transaction qualifier resolution in 6.2.1 #34187
• BeanCurrentlyInCreationException is thrown when multiple threads simultaneously try to create bean #34186
• DataBinder throws IndexOutOfBoundsException when indexed parameter uses nonconsecutive indices #34145
• NullPointerException is thrown if WebClient is used with Apache Httpclient and cookies are disabled #34132
• Wrong parentId tracking in FlightRecorderApplicationStartup #34128
• PathMatchingResourcePatternResolver is not able to resolve file in SpringBoot Packaged JAR #34126
• Placeholder resolution no longer considers exact match before resolving the placeholder key #34124
• DataBinder throws StringIndexOutOfBoundsException for indexed property without nested property path #34121
• Dependency injection matches wildcards too leniently with 6.2.1 #34119
• PathMatchingResourcePatternResolver throws FileNotFoundException caused by wrong cache path #34111
• SpEL fails to invoke MethodHandle function reference accepting only varargs #34109
• Generic with a base type is no longer resolved to its base if the generic is unresolved #34086
• DataBinder throws StringIndexOutOfBoundsException for map property without nested property path #34043
• Fix implicit variable resolution in JSP EvalTag #33945

📔 Documentation

• Fix inaccuracy in RequestHeaderArgumentResolver Javadoc #34230
• Document that http.client.requests measure the entire HTTP exchange #34201
• Misuse of em dash in "Basic Concept" section #34165
• Fix typo in link #34149
• Broken syntax in xml sample of "Reference to Other Beans" section #34148
• Fix minor typo in reference documentation for Kotlin annotations #34134
• Clarify documentation for the default uri client request observation metric #34116
• Fix broken links in the web reference documentation #34115
• Bean creation lazily ignores annotations like @EventListener #34057

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.14.3 #34251
• Upgrade to Reactor 2024.0.2 #34252

❤️ Contributors

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

@Mattias-Sehlstedt, @Spanching, @brendenehlers, @izeye, @luozongle01, @micopiira, @ngocnhan-tran1996, @quaff, @rPraml, @remeio, and @scordio

v6.2.1

⭐ New Features

• Implement toString() in TestBeanOverrideHandler #34072
• Log alias removal in DefaultListableBeanFactory #34070
• Log warning when one Bean Override overrides another Bean Override #34056
• Introduce "unsafeAllocated" flag in TypeHint #34055
• Cannot assert status reason phrase with MockMvcTester #34016
• Improve toString for reactive ScheduledTask #34010
• Optimize sending requests without a body in RestClient and WebClient with Reactor Netty #34003
• Add missing @Contract annotation to ObjectUtils#isEmpty #33984
• OptionalValidatorFactoryBean suppresses Hibernate Validator configuration failures too much #33979
• Support Flux<ServerSentEvent<Fragment>> in WebFlux #33975
• Update in FragmentsRendering to names of static methods #33974
• Honor @Fallback semantics for Test Bean Overrides #33924
• AdvisedSupport.MethodCacheKey should check for logical equality as well as identity #33915
• Fail with full description for XML diff in XmlExpectationsHelper #33827
• MapMethodProcessor should only resolve arguments of type Map or the ModelMap hierarchy #33160

🐞 Bug Fixes

• Support binding from request headers via constructor args #34073
• Unable to configure custom scheduler for @Scheduled annotation #34058
• Identical Bean Overrides are silently allowed #34054
• OOM due to NoTransactionInContextException in reactive pipeline #34048
• Priority header causes binding exception after upgrade to Spring Framework 6.2.0 #34039
• @MockitoBean incorrectly injects supertype into subtype field #34025
• NestedPlaceholder are not recursively resolved if the fallback is a placeholder #34020
• AOT no longer generates BeanInstanceSupplier signature for a CGLIB proxy with its public type #33998
• Nested transaction support via savepoints is broken in Oracle database #33987
• Proxy created with IntroductionInterceptor but without target always throws an exception #33985
• ApplicationListener no longer invoked for generic ApplicationEvent with 6.2.0 #33982
• Error handling override in DefaultResponseErrorHandler ignored after upgrade to 6.2.0 #33980
• BeanCurrentlyInCreationException is thrown when multiple threads simultaneously try to create a FactoryBean #33972
• HandshakeWebSocketService assumes jakarta websocket is present #33970
• @Value cases SpringCGLIB$$0 required a bean of type java.lang.String that could not be found in Native compile when migrating to SB 3.4 #33960
• PathMatchingResourcePatternResolver should not log directory-skip messages at info level #33956
• Avoid infinite recursion in BeanValidationBeanRegistrationAotProcessor with recursive generics #33950
• Skip runtime hint registration for validation constraint with missing dependencies #33949
• Move Kotlin value class unboxing to InvocableHandlerMethod #33943
• MockReset strategy is no longer honored for @MockitoBean and @MockitoSpyBean #33941
• TypeDescriptor with recursive generics triggers infinite recursion in ResolvableType.equals/hashCode #33932
• RestClient does not expose full URI template as attribute #33928
• Bean Overrides like @MockitoBean and @TestBean should not be allowed on static fields #33922
• Regression in duplicate beans with different method names #33920

📔 Documentation

• Fix link to MockMvcBuilders in reference documentation #34031
• Fix a typo in the filters documentation #33959
• Document visibility requirements for Bean Overrides #33923
• Fix typos and link in Observability documentation #33910
• SpEL documentation contains syntax errors #33907
• Improve explanation of AOP advice classes that should implement MethodInterceptor #33901
• Reflect well-known HttpHeaders intent in Javadoc #33886
• Reflect well-known MediaTypes intent in Javadoc #33754
• Document support for varargs invocations in SpEL #33332

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.14.2 #34050
• Upgrade to Reactor 2024.0.1 #34051

❤️ Contributors

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

@Boiarshinov, @CHOICORE, @KNU-K, @izeye, @ngocnhan-tran1996, @scordio, @sonallux, and @youabledev

v6.1.16

⭐ New Features

• Log alias removal in DefaultListableBeanFactory #34071
• OptionalValidatorFactoryBean suppresses Hibernate Validator configuration failures too much #34041
• Update UndertowHttpHandlerAdapter to dispatch #33969

🐞 Bug Fixes

• HandshakeWebSocketService assumes jakarta websocket is present #34023

📔 Documentation

• Fix a typo in the filters documentation #33971
• SpEL documentation contains syntax errors #33908

🔨 Dependency Upgrades

• Upgrade to Reactor 2023.0.13 #34049
• Upgrade to Undertow 2.3.18.Final #33976

v6.2.0

⭐ New Features

• Update UndertowHttpHandlerAdapter to dispatch #33885
• Refine @Contract Javadoc to mention this and new return values #33849
• AOT processing for bean validation does not consider cascaded and container element constraints #33842
• Avoid repeated resolving of singleton beans through @Lazy proxy #33841
• Regiser runtime hints for @TestBean fully-qualified method names #33836
• Introduce support for custom reason in @DisabledInAotMode #33833
• Use optimistic locking where possible in ResponseBodyEmitter #33831
• Revise cookies support with Apache HTTP Components in WebClient and WebTestClient #33822
• Remove the pure attribute from @Contract #33820
• Introduce @CheckReturnValue annotation #33818
• ResourceHttpRequestHandler throwing IllegalArgumentException if resource doesn't end with slash breaks some third-party libraris #33815
• Provide first-class virtual thread option on ThreadPoolTaskExecutor/ThreadPoolTaskScheduler #33807
• HttpServiceProxyFactory should omit optional @RequestParam if converted from null to empty string #33794
• Reactor Netty response should not buffer the full response #33781
• Relax the visibility of MockMVC DSL constructors #33778
• Support Publisher to InputStream conversion #31677

🐞 Bug Fixes

• MockReset should be honored without @Mockito[Spy]Bean fields #33829
• Test Bean Overrides do not honor @Primary semantics #33819
• Bean Overrides cannot reliably override beans created by a FactoryBean with generics #33811
• Bean Overrides for certain FactoryBean use cases no longer work #33800
• @MockitoBean, @MockitoSpyBean, & @TestBean do not work with @DirtiesContext "before method" modes #33783
• Deprecate exchangeTimeout and refactor readTimeout in ReactorClientHttpRequestFactory #33782

📔 Documentation

• Revise documentation for SpEL PropertyAccessor and IndexAccessor APIs regarding ordering #33862
• Document UrlHandler Servlet and reactive filters #33784
• Improve documentation for SpelCompilerMode #33223

🔨 Dependency Upgrades

• Upgrade to ASM 9.7.1 (for early Java 24 support) #33821
• Upgrade to Micrometer 1.14.0 #33876
• Upgrade to Reactor 2024.0.0 #33878

❤️ Contributors

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

@Hejow, @OlegDokuka, and @lucky8987

v6.1.15

⭐ New Features

• Use UriUtils to process static resource paths #33859
• Prefer modified resources over the originals in TestCompiler #33850
• Improve iteration methods in native headers to MultiValueMap adapters #33823
• Deregister empty Cache from CacheManager #33813
• Rename aopAvailable constants in TransactionSynchronizationUtils for better GraalVM native image support #33796
• Load-time weaving support for WildFly 24+ #33728

🐞 Bug Fixes

• DefaultClientRequestObservationConvention generates wrong uri tag when missing path #33867
• HttpComponentsClientHttpRequestFactory setReadTimeout not working with httpclient 5.4 #33806
• HttpHeaders.writeableHttpHeaders(new HttpHeaders(readOnlyHttpHeaders)) is not writeable #33789
• RestClient exchange methods are not nullable #33779
• Throw SpelParseException for unsupported character in SpelExpressionParser #33767
• DefaultMessageListenerContainer reports incorrect jms.process.message count #33758
• Autowiring fails if multiple non-highest @Priority beans exist with same priority #33733
• Jackson2Decoder leaks on WebClient timeout #33731
• DefaultServerRequestObservationConvention throws when response status is zero #33725
• Aspect executed twice - @AfterThrowing #33704
• parts w/o filename in Content-Disposition header are not cleaned from temp folder (skipped by StandardServletMultipartResolver) #33511

📔 Documentation

• Resources link points to wrong section of reference guide #33882
• Remove mentions of Joda-Time support #33881
• SimpleAsyncTaskExecutor blocks calling thread when concurrencyLimit set #33873
• Fix formatting issue in validation section of reference guide #33871
• Fix typo in reference documentation #33865
• Fix XML bean reference example in reference manual #33855
• Fix a typo in documentation #33846
• Numerous warnings when injecting dependencies into configuration that implements CachingConfigurer #33834
• @Async documentation should not suggest deprecated classes #33805
• Document that circular dependencies should be avoided in AOT mode #33786
• Inconsistent Lifecycle Management with Virtual Threads in Spring Boot Async Configuration #33780
• Fix incorrect regex rendering in MVC controller documentation #33766
• Improve documentation for allowEagerInit parameter in getBeanNamesForType() #33740
• Fix Javadoc in ReactorNetty2ResourceFactory #33735
• Document options for handling Date/Time parsing and formatting issues with JDK 20+ #33151

🔨 Dependency Upgrades

• Upgrade to Micrometer 1.12.12 #33877
• Upgrade to Reactor 2023.0.12 #33879

❤️ Contributors

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

@Torres-09, @ZLATAN628, @hosamaly, @izeye, @kunaljani1100, @ngocnhan-tran1996, and @wilkinsona

v6.2.0-RC3

⭐ New Features

• Update retrieve() in RestClient to execute and extract in single scope #33777
• Remove proxyTargetAware attribute from @MockitoSpyBean #33775
• PathMatchingResourcePatternResolver sorting of JAR resources #33771
• Add default handling for disconnected client errors to Spring MVC #33763
• Remove ServerResponse.AsyncBuilder interface #33736
• Fix PathMatchingResourcePatternResolver manifest classpath discovery #33705
• Add cookie support to RestClient #33697

🐞 Bug Fixes

• @MockitoSpyBean does not support transparent verification #33774
• Bean with defaultCandidate = false and qualifier does not work with constructor injection #33762
• Update HttpHeaders.setHost() to actually remove the Host header #33716

📔 Documentation

• Rework links to Spring Boot docs in reference documentation #33776
• Add Kotlin examples in aot.adoc #33761
• Improve the discoverability of Java and Kotlin APIs documentation from the refdoc #32835

❤️ Contributors

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

@Nicklas2751, @bivo, @philwebb, and @roll-w