v5.3.24

⭐ New Features

• Avoid reflection for annotation method invocations #29448
• Avoid unnecessary allocations in StompDecoder#unescape #29443
• Avoid String allocations in MediaType.checkParameters #29428
• Reduce allocations caused by producible media types #29412
• Provide optional SimpleBeanInfoFactory for better introspection performance in 5.3.x #29330
• Filter out null WebSocket session attributes #29315
• Introduce TestSocketUtils as a replacement for SocketUtils #29132
• Avoid Commons Logging API for using LoggingCacheErrorHandler with a custom logger #28678

🐞 Bug Fixes

• Missing SessionFactory property (filter AutoCloseable from PropertyDescriptors) #29480
• SpEL ternary and Elvis expressions are missing enclosing parentheses in toStringAST() #29463
• If-Unmodified-Since header check removes Last-Modified and Etag headers from response, even if condition passes #29362
• Annotation searches fail for non-public repeatable annotations #29301
• AbstractBeanFactory's interaction with BeanPostProcessorCacheAwareList is not fully thread-safe #29299
• WebTestClient cannot assert custom HTTP status code #29283
• Body token not expected error when trying to upload a large multipart file #29227
• Avoid resizing of Maps created by CollectionUtils #29190
• DefaultWebClient logging sensitive information in URI #29148
• Fix SimpleMailMessage nullability annotations #29139
• Webflux fails to apply the rule for controller methods returning void to kotlin suspend functions returning Unit #27629
• Resource.isFile() return true when the resource path actually not exists #26707
• AnnotatedElementUtils does not find merged repeatable annotations on other repeatable annotations #20279

📔 Documentation

• Fix two typos in integration.adoc and webflux.adoc #29469
• Fix typo: "as describe in" -> "as described in" #29393
• Fix typos #29364
• Correct documentation for "other return values" from a web controller method #29349
• Document how to use WebJars without webjars-locator-core dependency #29322
• Update RestTemplate Javadoc with regards to setting interceptors on startup vs at runtime #29311
• Document how to switch to the default set of TestExecutionListeners #29281
• Document limitation of AopTestUtils.getUltimateTargetObject() regarding non-static TargetSource #29276
• Fix typo in WebSocket reference doc regarding subscription header #29228
• Fix MockMvc sample setup #29201

🔨 Dependency Upgrades

• Upgrade to Reactor 2020.0.25 #29464

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @sangmin7648
• @izeye
• @dreis2211
• @catmug
• @inabajunmr
• @iamgd67
• @davidcostanzo
• @jprinet
• @stgerhardt
• @onobc
• @vpavic

v6.0.0-RC4

⭐ New Features

• Introduce DataFieldMaxValueIncrementer for SQL Server sequences #29447
• Introduce findAllAnnotationsOnBean variant on ListableBeanFactory #29446
• Introduce support for Jakarta WebSocket 2.1 #29436
• Allow @ControllerAdvice in WebFlux to handle exceptions before a handler is selected #22991

🐞 Bug Fixes

• Bean with unresolved generics do not use fallback algorithms with AOT #29454
• TomcatRequestUpgradeStrategy is not compatible with Tomcat 10.1 #29434
• Autowiring of a generic type produced by a factory bean fails after AOT processing #29385

📔 Documentation

• Reference PDF containing full docs not available #28451

🔨 Dependency Upgrades

• Revisit Servlet API baseline: Servlet 6.0 in the build, Servlet 5.0 compatibility at runtime #29435
• Upgrade to Context Propagation 1.0.0 #29442
• Upgrade to Jackson 2.14.0 #29351
• Upgrade to Micrometer 1.10.0 #29441

❤️ Contributors

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

@divcon, @fmbenhassine, @imkulwant, @izeye, and @wilkinsona

v6.0.0-RC3

⭐ New Features

• Support @RequestPart arguments for @HttpExchange methods #29420
• Processing of charset in Content-Type Header not case-insensitive #29416
• Allow for external customization and i8n of the "title" of an RFC 7807 response #29407
• Automatically register directories for registered resource hints #29403
• Allow registration of resource hint for root directory #29402
• Load ApplicationContextFailureProcessor implementations from spring.factories #29387
• Simplify mapping of custom exception to an RFC 7807 response in ResponseEntityExceptionHandler #29384
• Introduce SimpleValueStyler for use with ToStringCreator #29381
• Make DefaultValueStyler extensible #29380
• Introduce DataFieldMaxValueIncrementer for MariaDB #29379
• Handle case where ResponseEntity and ProblemDetail don't agree on the HTTP status to use #29378
• Provide AOT support for HttpServiceProxyFactory clients #29271
• Revise logging in the TestContext framework #29229

🐞 Bug Fixes

• Align server observation contextual names with OTel semantic conventions #29424
• Matching path pattern is not set in reactive ServerRequestObservationContext #29422
• PartEvent upload fails with JdkClientHttpConnector #29400
• Native image FileSystem should not be closed after classpath scanning #29397
• AOT processing loses bean aliases #29391
• WebClient and WebFlux Observation do not propagate context #29388
• HttpServiceProxyFactory raises IllegalStateException if created through the builder and declared as a bean #29376
• Multiple @ImportRuntimeHints in the type hierarchy should be supported #29361

🔨 Dependency Upgrades

• Upgrade to Jackson 2.14.0-rc3 #29405

❤️ Contributors

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

@fmbenhassine, @imkulwant, @izeye, and @marcingrzejszczak

v6.0.0-RC2

⭐ New Features

• Ensure classpath checks can be evaluated at build-time #29352
• Register reflection hints for JPA persistence callbacks #29348
• Check @RegisterReflectionForBinding specifies at least one class #29346
• Introduce builder API for AOT processor Settings #29341
• Allow in-progress AOT processing to be detected #29340
• Reorganize HTTP Observation types #29334
• Perform basic property determination without java.beans.Introspector #29320
• Add Kotlin data class components support to BindingReflectionHintsRegistrar #29316
• Switch HttpServiceFactory and RSocketServiceProxyFactory to builder model for programmatic configuration first #29296
• Introduce PreComputeFieldFeature based on GraalVM FieldValueTransformer API #29081
• Introduce SPI for processing ApplicationContext failures in the TestContext framework #28826
• SimpleEvaluationContext should disable array allocation #28808
• DateTimeFormatterRegistrar should fall back to ISO parsing by default #26985

🐞 Bug Fixes

• Avoid NPEs in DefaultServerRequestObservationConvention #29359
• ServerHttpObservationFilter can throw ClassCastException when NoopObservation used #29356
• ServerHttpObservationFilter should not overwrite response status #29353
• Possible regression in PathMatchingResourcePatternResolver #29333
• Jackson Decoder ignores method parameter information when resolving media types for custom ObjectMapper registration #29307
• Deprecation warning for composed Bean Validation constraint annotation #29206
• Code generation no longer supports a list of inner BeanDefinitions #29075
• NamedParameterUtils has broken square brackets handling #27925

📔 Documentation

• Refine @RegisterReflectionForBinding Javadoc #29345
• Mention @ImportRuntimeHints in RuntimeHintsRegistrar Javadoc #29337
• Add Javadoc since for SimpleInstantiationStrategy.setCurrentlyInvokedFactoryMethod() #29326
• Use correct RFC number for ProblemDetail support in Javadoc #29302

🔨 Dependency Upgrades

• Upgrade to Derby 10.16 #29344
• Upgrade to GraalVM 22.3.0 #29080
• Upgrade to Jackson 2.14.0-rc2 #29343

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @izeye
• @violetagg
• @quaff

v6.0.0-RC1

⭐ New Features

• Add native support for ExceptionHandler and ProblemDetail #29297
• Refine SQLErrorCodesFactory reachability on native images #29294
• Refine BindingReflectionHintsRegistrar infrastructure #29279
• Normalize URIs returned from FileSystemResource.getURI() #29275
• Redesign AOT Processors #29266
• Simplify TestRuntimeHintsRegistrar API #29264
• UrlResource#getFilename() should return unencoded file name #29261
• Add reflection hints for EmbeddedDatabaseFactory$EmbeddedDataSourceProxy#shutdown #29259
• Change keyvalue name to http.url in server observations #29254
• Code generator should not use reflection for protected artifacts #29253
• Use MethodArgumentNotValidException for model attribute arguments #29251
• Allow TestCompiler SourceFile to work with records #29236
• Generate matching inner class for inner class configuration #29213
• Kotlin functional config DSL should prevent beans to be registered twice in AOT-optimized contexts #29211
• Allow BeanRegistration target to be any arbitrary class name #29207
• Add support for Charset to value code generator #29186
• Enable HTTP and HTTPS on native in spring-web module #29185
• Optimize native footprint by avoiding using ModuleFinder.ofSystem() at runtime #29183
• Introduce AotProcessor to invoke the AOT engine on an application #29181
• Move TestCompiler to dedicated package #29175
• Use java.nio and FileSystems to resolve files in PathMatchingResourcePatternResolver #29163
• Replace ApplicationContextAotInitializer with an AotApplicationContextInitializer interface #29157
• Enable default TestExecutionListeners in JUnit 4 and TestNG base test classes #29149
• Support cglib generated classes with TestCompiler #29141
• Infer AOT proxies created by ProxyFactoryBean #29097
• HTTP interface client ignores @DateTimeFormat on path variable #29095
• Integrate the Micrometer Context Propagation library #29056
• Upgrade RestTemplate to HttpClient 5 #28925
• Improve resource handling for empty files contained in jars #28850
• Allow for external customization and i8n of the "detail" of an RFC 7807 response #28814
• Revise CookieLocaleResolver to use ResponseCookie #28779
• Optimize SpEL and property placeholder support for @Async qualifiers #28549
• Customization for ObjectReader and ObjectWriter #28401
• Improve exception message if MultipartParser can not find end of body #28067
• Revisit AOT constructor and factory method resolution #27920
• Support CBOR and Protobuf with Kotlin Serialization #27628
• CGLIB does not allow packages to start with "java" #27622
• Support comma-delimited list of origin patterns in @CrossOrigin #27606
• Improve the fluency of the ResponseCreator API #27280
• Support for problem details based on RFC 7807 #27052
• Add fast-path for no-args constructor in BeanUtils.instantiateClass #24104
• Resolve generic type in more complex scenarios #23418

🐞 Bug Fixes

• Hints for CGLIB proxies are not consistently registered #29295
• Ensure context caching works properly during AOT runtime in the TestContext framework #29289
• AbstractJackson2Encoder encodes empty Flux to invalid JSON #29274
• RuntimeHints accessors have inconsistent naming #29269
• ClassPathResources with same absolute path and same ClassLoader should be equal #29263
• HTTP URL KeyValue should provide entire request URL as a value #29257
• Hints for cglib configuration classes are not registered with a valid name #29252
• Add ConstantReadableJavaField caching in ConstantFieldSubstitutionProcessor #29250
• StringUtils should parse locale strings without country but with variant #29248
• Generated code does not take visibility of method if it is defined in a parent class #29245
• RestTemplate Observation is started without a complete tracing context #29234
• Fix Outcome KeyValues in HTTP observations #29232
• HTTP ObservationConvention implementations miss contextualName #29231
• Refine ConstantFieldSubstitutionProcessor error handling #29219
• Align RuntimeHintsAgent behavior with GraalVM reflection changes #29205
• Class meta-annotated with @Reflective and annotated with @RegisterReflectionForBinding is only processed by SimpleReflectiveProcessor #29193
• Spring Web 6.0.0-M6 breaks Kotlin support for (De-)Serialization in some edge-cases #29192
• BeanDefinitionMethodGenerator should not generate code in the javax package name #29123
• CGLIB proxies are not used at runtime on @Configuration classes in AOT mode #29107
• Remove call to requestCompleted in RequestMappingHandlerAdapter #29002

📔 Documentation

• Document PartEvent API #29170
• Switch to spring-asciidoctor-backends #29162
• Improve Javadoc of BeanRegistrationAotProcessor to describe the "runtime replacement use case" #29126
• Improve Javadoc of GeneratedMethods#add to describe naming conventions #28997

🔨 Dependency Upgrades

• Update Reactor Netty 2.0 version to 2.0.0-SNAPSHOT #29247
• Upgrade to ASM 9.4 #29305
• Upgrade to Context Propagation 1.0.0-RC1 #29273
• Upgrade to JUnit 5.9.1 #29179
• Upgrade to Kotlin 1.7.20 #29225
• Upgrade to Micrometer 1.10.0-RC1 [#29241](https://github.com/sprin...

v6.0.0-M6

⭐ New Features

• Add HandshakeWebSocketService runtime hints #29146
• Add className variants in ReflectionHintsPredicates for checking fields and methods #29143
• Set hibernate.bytecode.provider to none on native image #29140
• Add proxy hints for org.hibernate.SessionFactory & org.hibernate.Session #29138
• DefaultPersistenceUnitManager.determineDefaultPersistenceUnitRootUrl is unable to resolve root url in native image #29137
• Adapt FieldHint to recent GraalVM versions #29130
• Deprecate StreamUtils.emptyInput() #29125
• Improve exception message when the code for a value could not be generated #29118
• Deprecate support for theme #29114
• Add resource hints for HtmlCharacterEntityReferences.properties #29112
• Introduce AotTestAttributes mechanism in the TestContext framework #29100
• Return absolute path without leading slash from ClassPathResource#getPath #29099
• Register runtime hints for types exposed via PersistenceManagedTypes #29096
• Remove deprecated SynthesizedAnnotation interface #29092
• Add support for providing JNI runtime hints #29085
• Introduce registerResource(Resource) in ResourceHints #29083
• Introduce AotTestExecutionListener API in the TestContext framework #29070
• Introduce TestRuntimeHintsRegistrar in the TestContext framework #29069
• Use serializerOrNull in Kotlin Serialization support #29068
• Align RuntimeHintsPredicates with new FieldMode #29063
• Remove support for setting default CacheAwareContextLoaderDelegate via system property #29061
• Avoid shipping AWT classes in native images #29060
• Stop using RuntimeHintsUtils to register SynthesizedAnnotation proxies #29059
• Remove obsolete RuntimeHintsUtils #29058
• Deprecate SynthesizedAnnotation and related methods #29053
• Stop implementing SynthesizedAnnotation in annotation proxies #29041
• Introduce logging for ContextCustomizer[Factory] to improve diagnostics #29036
• Avoid reflection for instantiating MockServerContainerContextCustomizer #29035
• Skip ContextCustomizerFactory that cannot be loaded #29034
• Register runtime hints for TestContext framework classes #29028
• Register runtime hints for @Sql scripts #29027
• Register runtime hints for @WebAppConfiguration attributes #29026
• Register runtime hints for @TestPropertySource attributes #29025
• Register runtime hints for @TestExecutionListeners attributes #29024
• Register runtime hints for @BootstrapWith attributes #29023
• Register runtime hints for ActiveProfilesResolver #29022
• Register runtime hints for @ContextConfiguration attributes #29021
• Remove remaining native build-time class initializations #29018
• Introduce TypeHint.Builder#onReachableType(Class<?>) #29017
• Harmonize registration of reflection hints #29011
• Revisit resource cleanup in RestTemplate and ClientHttpRequestFactory #29010
• Allow MethodReference to support a more flexible signature #29005
• Refine JacksonModulesRuntimeHints #29001
• Add hint for use of @Qualifier as a meta-annotation #29000
• Lazy Validator resolution in MethodValidationPostProcessor #28990
• Infer JDK dynamic proxies for Spring beans #28980
• Contribute @PropertySource declarations in AOT optimized contexts #28976
• Expose registrar for @Reflective #28975
• Revisit our annotation support now that annotations are available in a native image without a dedicated hint #28967
• Increase StreamUtils.BUFFER_SIZE to 8192 #28965
• Update StreamUtils drain and emptyInput to use JDK builtins #28961
• Integrate class proxy generation in AOT processing #28954
• RuntimeHintsUtils.registerAnnotation should not register SynthesizedAnnotation proxy for @AliasFor #28953
• Allow null argument for ResponseEntity.DefaultBuilder.eTag(String etag) #28947
• Remove the need for reflection for OptionalValidatorFactoryBean #28939
• Rename generateApplicationContext() in ApplicationContextAotGenerator #28927
• Remove deprecated GenericPropertiesContextLoader from the TestContext framework #28911
• Introduce AotContextLoader SPI in the TestContext framework #28906
• Deprecate methods in ContextLoader API in the TestContext framework #28905
• Make BootstrapUtils.resolveTestContextBootstrapper() public #28891
• Introduce RuntimeHintsUtils#registerComposableAnnotation #28887
• Instrument MVC and WebFlux for Observability #28880
• Introduce TestGenerationContext #28877
• Support Netty 5's Buffer API #28874
• Support for Netty 5 #28847
• Harmonize visibility of RuntimeHints builders #28835
• Introduce command-line application for triggering AOT test context processing #28825
• Introduce TestClassScanner to locate Spring test classes for AOT processing #28824
• Allow empty path in MockMvc #28823
• AOT-generated code for a FactoryBean should have a better location #28812
• Add support for SchedulerFactoryBean in native-image #28725
• EnableAsync doesn't work in native-image #28710
• Improve test coverage of RdbmsOperation #28472
• Treat MariaDB as an independent database type [#28...

v5.3.23

⭐ New Features

• Introduce AnnotationUtils.isSynthesizedAnnotation(Annotation) #29054
• Introduce createContext() factory method in AbstractGenericWebContextLoader #28983
• Support TreeSet collection type in CollectionFactory.createCollection() without using reflection #28949
• Document when RequestEntity.getUrl() throws an UnsupportedOperationException #28930
• Deprecate NestedIOException #28929
• Make isConnected() in WebSocketConnectionManager public #28785
• Expose headers from STOMP RECEIPT frame to registered callbacks #28715
• Make WebClientException serializable #28321

🐞 Bug Fixes

• Ordering inconsistency with beans defined in parent context #29105
• RelativeRedirectResponseWrapper does not commit response in sendRedirect #29050
• MockServerContainerContextCustomizerFactory does not support @Nested tests #29037
• Request to improve KotlinSerializationJsonHttpMessageConverter logic in RestTemplate #29008
• WebFlux: multipart requests hang sometimes #28963
• DataBufferUtils.write(Publisher, Path) loses context #28933
• connectionTimeOut and readTimeout not working on UrlResource #28909
• SockJsServiceRegistration#setSupressCors has a typo and should be deprecated #28853
• RenderingResponse does not set status code on redirect views #28839
• Avoid IllegalArgumentException when setting WebSocket error status #28836
• Loss of context path after using ServerRequest.from #28820
• ResponseCookie does not declare nullability annotations consistently for domain and path #28780

📔 Documentation

• Fix typo in data-access section #29048
• Correct description of @RequestParam with WebFlux #28944
• Fix broken kdoc-api links in kotlin.adoc #28908
• Fix typos in Javadoc of class AbstractEncoder #28885
• Fix links in Javadoc and reference docs #28876
• Add missing closing parenthesis in reference doc #28867
• Fix typos in Javadoc, reference docs, and code #28822
• Replace use of the <tt> HTML tag in Javadoc #28819
• Fix broken link in rsocket documentation #28817
• Clarify docs on JNDI properties in Servlet environment #28488
• Improve documentation of Caching annotations #28183

🔨 Dependency Upgrades

• Upgrade to Reactor 2020.0.23 #29129

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @boahc077
• @1993heqiang
• @luvarqpp
• @arend-von-reinersdorff
• @jensdietrich
• @wilkinsona
• @npriebe
• @vpavic
• @jupiterhub
• @izeye
• @napstr
• @marcwrobel
• @arvyy
• @jbotuck
• @chanhyeong
• @yuezk
• @edfeff
• @adrianbob
• @FlorianKirmaier
• @meloning

v6.0.0-M5

⭐ New Features

• HibernateTransactionManager compatibility with Hibernate 6.0/6.1 #28813
• Reject JDK proxy hint registration for sealed interfaces #28786
• Provide SerializationHintsPredicates in RuntimeHintsPredicates #28772
• Deprecate convention-based annotation attribute overrides in favor of @AliasFor #28760
• Add native image support for WebSocket STOMP messaging #28754
• Simplify hint registration for Spring AOP proxies #28745
• Only use JPMS exports as we don't need reflection access #28733
• Open GraalVM internals to the ConstantFieldFeature #28732
• Add support for records in BindingReflectionHintsRegistrar #28721
• Replace java.util.Date and TimeUnit usage in scheduling with appropiate java.time classes #28714
• Jackson well-known module support in native image #28709
• RuntimeHints missing for WebFlux #28701
• Add runtime hints for AbstractHandshakeHandler #28697
• native-image: Problem with Scheduled annotation #28696
• native-image: Support for MethodValidationPostProcessor #28689
• native-image: Field 'PROPAGATION_REQUIRED' not found in class TransactionDefinition #28688
• Allow dynamic properties in ProblemDetail #28665
• Add Kotlinx Serialization support to BindingReflectionHintsRegistrar #28635
• Add ResourceHints registrar for classpath patterns #28626
• Replace build-time initialization by constant field evaluation at build-time #28624
• Add reflection hints for data binding in Web controllers #28623
• Add reflection hints for HttpEntity used in Web controllers #28622
• Introduce ResourcePatternHint#toRegex #28620
• Add ifPresent utility methods on RuntimeHints #28617
• Register native hints for jakarta.inject annotations #28614
• Use PathPatternParser by default in Spring MVC #28607
• Support that the same RuntimeHintsRegistrar can be specified multiple times and invoked only once #28594
• Rationalize naming strategy in ApplicationContextAotGenerator #28585
• Add minimal Kotlin DSL RouterFunction attributes support #28569
• Introduce attribute support in Kotlin RouterFunction DSL #28567
• Allow ApplicationContextAotGenerator to generated better class names #28565
• Allow BeanRegistrationAotContributions to provide BeanRegistrationCodeFragments customization #28557
• Introduce RuntimeHints predicates utilities #28555
• Deprecate trailing slash match and change default value from true to false #28552
• Improve options for exception handling in HTTP interface client #28533
• Add reflection hints for Web controllers #28518
• Ambiguous behavior for ClassNameGenerator::generateClassName #28517
• Support module path scanning for "classpath*:" resource prefix #28506
• Refactor HttpServiceProxyFactory to be suitable as an infrastructure bean #28505
• Allow custom HTTP method with @HttpExchange methods #28504
• Create UrlResource factory methods that throw unchecked exceptions #28501
• Introduce utility to register hints for an annotation that uses AliasFor #28497
• Support property placeholders in url attribute of @HttpExchange #28492
• Support default methods in @HttpExchange interface #28491
• Introduce AotDetector mode #28474
• Introduce a meta-annotation that indicates the annotated element requires reflection hints #28469
• Add level guards for trace logging in SpringFactoriesLoaderRuntimeHintsRegistrar #28465
• Add resolver for request attributes for @HttpExchange methods #28458
• Add WebFlux equivalent of ResponseEntityExceptionHandler #28439
• Avoid collectList when sending a Flux of objects as JSON using WebClient #28398
• Avoid loading XML files for default SQL exception translation #28216
• Refine runtime hint conditions #28126
• Provide testing infrastructure for RuntimeHints #27981
• Simplify default locale/timezone resolution in cookie/session locale resolvers #27609
• Nested Exception's message should not include the messages from causal chain #25162
• Add If-Match support and improve If-None-Match wildcard support #24881

🐞 Bug Fixes

• Guard against NPE in PathMatchConfigurer #28816
• AnnotationTypeMapping tracks @AliasFor mappings as convention-based #28773
• Support by-type constructor references in ConstructorOrFactoryMethodResolver #28728
• AOT generated code leads to exception on startup: Object of class [java.lang.Boolean] must be an instance of boolean #28727
• HtmlUnit / MockMvc integration handles forwarded URLs partially #28722
• StackOverflowError when using BindingReflectionHintsRegistrar #28683
• Wrong reflection hints for arrays of inner types #28664
• Add automatic hint for autowired field support #28655
• Reflection configuration for parameter types with an inner class have wrong name #28606
• Fix ResourceHintsWriter for leading/trailing wildcards #28597
• JdkHttpClientResourceFactory has dependency on org.eclipse.jetty #28588
• CompileWithTargetClassAccessClassLoader does not implement findResource #28574
• ScopedProxyBeanRegistrationAotProcessor is never called #28561
• Proxy hint missing when AliasFor is used on the annotation itself #28528
• Fix attribute return types in @DeleteExchange, @PatchExchange, and @PutExchange #28498
• Correctly detect Optional return type for `@HttpExc...

v5.3.22

⭐ New Features

• Improve regex "." matching for URL paths #28815
• Spring JDBC does not recognize LocalDate and LocalDateTime in javaType to sqlType Mapping #28778
• ResolvableType.forInstance should return NONE for null instance #28776
• Correctly identify MaxUploadSizeExceededException through keywords in message from Jetty 9.4.x #28759
• Introduce StringUtils.trimAllWhitespace(CharSequence) #28757
• Trim string input in Converters where whitespace is irrelevant #28756
• Trim string input in PropertyEditors where whitespace is irrelevant #28755
• Improve diagnostics for CGLIB ClassLoader issues on Java 9+ #28747
• Create well-known non-interface types in CollectionFactory without using reflection #28718
• Revise internals of LoggingCacheErrorHandler #28672
• Simplify creation of LoggingCacheErrorHandler with logged stacktrace #28670
• Fix DataSourceUtils inconsistent exception handling #28669
• Introduce lenient parsing in DataSize regarding whitespace #28643
• Support adding rather than replacing modules in Jackson2ObjectMapperBuilder #28633
• Add MockMvcRequestBuilders.multipart(HttpMethod, String, Object...) #28631
• Avoid parsing request body in DispatcherServlet for "parameters={masked}" log message #28587
• Avoid synchronization in AbstractAspectJAdvice#calculateArgumentBindings #26377

🐞 Bug Fixes

• WebFlux multipart temporary file not deleted when the client disconnects early #28740
• Ensure channelExecutors and taskScheduler in STOMP WebSocket config are qualified #28736
• MockHttpServletResponse addHeader does not allow Comment part with Set-Cookie header #28730
• Meta-annotations are unnecessarily synthesized in MergedAnotations #28704
• GenericApplicationContext does not honor ProtocolResolver when a resource loader is set via setResourceLoader() #28703
• R2DBC: @Transactional(readOnly) is applied to the connection before the transaction has begun #28610

📔 Documentation

• Fix Kotlin code snippets language #28810
• Fix typos in reference docs and project documentation #28805
• Fix and improve Javadoc in spring-beans and spring-aop #28803
• Fix and improve Javadoc in spring-core and spring-context #28802
• Fix and improve Javadoc in spring-messaging, spring-jms and spring-expression #28800
• Fix and improve Javadoc in spring-r2dbc, spring-oxm, spring-orm and spring-jdbc #28796
• Fix and improve Javadoc in spring-test #28795
• Fix and improve Javadoc in spring-tx #28794
• Fix and improve Javadoc in spring-web #28791
• Fix and improve Javadoc in spring-webflux #28790
• Fix and improve Javadoc in spring-webmvc #28789
• Fix and improve Javadoc in spring-websocket #28788
• Fix Kotlin example for defines a custom @Production #28680
• Fix a typo in ResponseEntity documentation #28647
• Document that Kotlin inline classes are not supported yet #28642
• Refine @Required Kotlin documentation to use annotation use site targets #28630
• Fix Kotlin example for @ComponentScan basePackages attribute #28628
• Kotlin examples for setter injection incorrectly use field injection #28596
• Fix expectations in MockMvc Kotlin documentation #28301

🔨 Dependency Upgrades

• Update to Bouncycastle 1.71 #28636
• Upgrade to Reactor 2020.0.21 #28765

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @jasonjiang9527
• @izeye
• @marcwrobel
• @larsgrefer
• @jprinet
• @vikeychen
• @kacperkrzyzak
• @kevin0x90
• @vpavic
• @CodeInDreams
• @4ra1n

v5.3.21

⭐ New Features

• Expose ThreadPoolTaskExecutor queue size and capacity for metrics #28583
• Lazily initialize DataSize.PATTERN #28560
• MockMvcWebTestClient forces HTTP POST for multipart requests #28545
• Support for CGLIB BeanCopier utility on JDK 17 #28530
• Allow changes to org.springframework.web log category at runtime #28477

🐞 Bug Fixes

• Avoid eager instantiation of non-singleton FactoryBean in getBeanNamesForType #28616
• ObjectToObjectConverter doesn't consider return type of static methods #28609
• Charset for input stream ignored in Jaxb2XmlDecoder #28599
• Support RouterFunction ordering in Spring MVC #28595
• Always construct new exception on error in DefaultWebClient #28550
• HierarchicalUriComponents::getPort() throws NumberFormatException with invalid port in URI #28521
• Cannot serve static resources with spaces from "file:" location when using PathPattern and UrlPathHelper is set to not decode #27791

📔 Documentation

• Fix code sample for nested router functions #28603
• Fix Kotlin example for @Required #28590
• Fix Kotlin example for dependency injection with static factory method #28589
• Update documentation regarding nested test class support #28579
• Update reference docs to use PropertySourcesPlaceholderConfigurer #28572
• Fix typo in webflux.adoc #28542
• Fix Javadoc for DatabaseClient #28520
• CachingConnectionFactory with WebLogic JMS not caching producers nor consumers #28500
• Fix Kotlin example for static factory method #28399

🔨 Dependency Upgrades

• Upgrade to Reactor 2020.0.20 #28612

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @rguihard
• @hsteinmueller
• @gorisanson
• @fsgonz
• @pokab
• @eltociear