Spring Framework - v6.1.0-m2

:star: New Features

• Refine the log message printed after restoration with CRaC #30876
• Add HttpExchangeAdapter for RestClient #30869
• Use latest version of sockjs-client in AbstractSockJsService #30848
• ClientHttpRequestFactory based on Reactor Netty HttpClient #30835
• Pause/resume capability for ThreadPoolTaskExecutor and ThreadPoolTaskScheduler #30831
• Rearrange HttpHeader adapters #30823
• Support use of MockRestServiceServer with RestClient #30821
• Allow built ServerResponse to throw exception #30818
• Method validation error handling by controller method parameter type #30813
• Add RestClient Kotlin extensions #30807
• Detect interface parameter annotations also from spring-messaging HandlerMethod #30801
• Allows JdkClientHttpRequest.DISALLOWED_HEADERS to be customized. #30788
• Change restore logging to info level #30775
• Add MultipartFileArgumentResolver for HTTP interface client #30728
• Align KeyValues of Scheduled-annotated observability with OpenTelemetry conventions #30721
• Detect invalid transaction configuration for transactional event listeners #30679
• Blocking execution for WebFlux controller methods #30678
• Add a CoExchangeFilterFunction for WebClient similar to CoWebFilter #30650
• Built-in Web Support for Method Bean Validation #30645
• Spring MVC and WebFlux handling of method validation errors #30644
• HttpClient based ClientHttpRequestFactory #30478
• HTTP interface client infrastructure and adapter for RestTemplate #30117
• Instrument Scheduled-annotated methods for observability #29883
• Add AOT support for Kotlin constructors with optional parameters #29820
• Introduce RestClient #29552
• Space in integer request parameter neither triggers the default value nor generates a 400 #29550
• Improve 404 error handling in Spring MVC #29491
• Issue with equals(?)/hashCode() for ResolvableType.forRawClass(?) #28608
• Introduce ModuleResource for resources loaded from a given Module #28507
• ArrayToCollectionConverter should default to List if target type is Collection #28048
• ResolvableType should allow to determine matching type argument for generic return type #27748
• Parallel graceful shutdown for ThreadPoolTaskExecutor and ThreadPoolTaskScheduler #27090
• Support target instantiation and binding via constructor in DataBinder #26721
• Support for MultiValueMap elements in web data binding #26297
• Add binding support to functional servlet and reactive stack #25943
• @Scheduled methods in beans created by FactoryBeans are not cancelled #24629
• ExecutorConfigurationSupport API refinement to control internal executor shutdown #24497
• DataBinder using constructor parameter should use path variables #22748
• Add JDBC SqlValue classes for arrays #1850
• Support Kotlin parameter default values in HTTP handler methods #21139
• Multiple TaskSchedulers to be supported with @Scheduled [SPR-16271] #20818
• Let the DataBinder construct nested objects #20806
• Add support to any Iterable types on PropertyAccessor #907

:lady_beetle: Bug Fixes

• ScheduledAnnotationBeanPostProcessor fails without Reactive Streams on the classpath #30707
• @SessionAttributes handler invoked too early if controller method execution is deferred #30337
• Fix AbstractMessageConverter not delegating to ContentTypeResolver when message header is null #29768
• JSON deserialization for Kotlin collections on inherited classes #24033

:notebook_with_decorative_cover: Documentation

• Update documentation on customizing validation errors with MessageSource #30653
• Update documentation for method validation improvements in spring-context, Spring MVC, and WebFlux #30643

:hammer: Dependency Upgrades

• Upgrade to Context Propagation 1.1.0-M3 #30882
• Upgrade to Kotlin 1.9.0 #30719
• Upgrade to Kotlin Coroutines 1.7.2 #30833
• Upgrade to Micrometer 1.12.0-M1 #30872
• Upgrade to Project CRaC 1.3.0 #30812
• Upgrade to Reactor 2023.0.0-M1 #30856

:heart: Contributors

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

@OlgaMaciaszek, @erichaagdev, @izeye, @kooixh, @ljtfreitas, @marschall, @mdeinum, @spencergibb, and @yoshikawaa