Spring Framework - v6.1.0-rc1

:star: New Features

• Enforce REQUIRES_NEW for correct transaction configuration on transactional event listeners #31414
• TestCompiler should allow to configure the Locale that renders compiler messages #31408
• Consistent Object result declarations for JdbcClient's ResultQuerySpec #31403
• Move ReactorResourceFactory to org.springframework.http.client package #31399
• Prevent message resolution after context close #31397
• Handle STOMP messages to user destination in order #31395
• AOT bean registrations miss reflection hints on property fields #31390
• Support Jackson's DatatypeFeature in Jackson2ObjectMapperBuilder #31380
• Allow Filters to be initialized when they're added to MockMvc #31362
• Use schema-based config in sql-error-codes.xml #31354
• Optimize uses of onErrorResume() #31352
• AOT bean registrations miss reflection hints on interfaces #31350
• SimpleAsyncTaskScheduler should run fixed-delay tasks on scheduler thread #31334
• Allow custom observation convention for RestClient #31325
• MockMvcHttpClientConnector support for RequestPostProcessor hook #31298
• Expose shouldHandle(ApplicationEvent) in ApplicationListenerMethodAdapter #31295
• Make ReactorNettyClientRequestFactory lifecycle-aware #31281
• Add a constructor with externally managed Reactor Netty resources to ReactorNettyClientRequestFactory #31280
• Consistent CannotAcquireLockException translation for PostgreSQL serialization failure behind JPA #31274
• Simplify ServerRequestExtensions.queryParamOrNull() #31264
• Reduce nested class lookups in ClassUtils #31258
• Print JVM restoration time in DefaultLifecycleProcessor #31252
• ValueLoaderEntryProcessor should not be created for every call to JCacheCache#get #31250
• Introduce initialize() method in AbstractRoutingDataSource and AbstractRoutingConnectionFactory #31248
• Add MappingJackson2MessageConverter constructors that accept an ObjectMapper #31234
• Eliminate synchronized block to avoid thread pinning in SingletonSupplier #31227
• Add OuputStream BodyInserter #31184
• SseEmitter should format a multiline String #30965
• Suppress logging from HandlerMapping when used for Spring Security's mvcRequestMatcher #30349
• Lenient handling of unencoded URIs in ForwardedHeaderTransformer #30137
• Support DispatcherType.INCLUDE in DefaultServletHttpRequestHandler #30113
• Introduce caching for functional routing #29985
• Log CglibAopProxy errors as WARN instead of INFO #29773
• Add CharBufferDecoder #29741
• Provide the HttpRequest on the ClientResponse interface #28397
• Batch update return generated keys #28132
• Allow filters to be registered with MockMvc for particular dispatcher types #27717
• Introduce class-level execution phases for @Sql #27285
• Add default methods to MailSender and JavaMailSender as appropriate #23651
• Remove all ApplicationListenerMethodAdapters on context close [SPR-17456] #21988
• Handle STOMP messages from client session in order #21798
• Call Lifecycle.stop() for already started beans on failed refresh [SPR-15468] #20028

:lady_beetle: Bug Fixes

• Fix regression in JmsAccessor#setSessionAcknowledgeMode #31328
• JdbcClient does not update KeyHolder when using positional parameters #31297
• AOT bean registrations miss reflection hints on public methods #31293
• DefaultFetchSpec should not buffer results in temporary list buffers #31282
• Missing reflection hint on Publisher for bean destroy methods support #31278
• Missing reflection hint on Eclipse FileLocator #31271
• Missing resource hint for spring.properties #31270
• Missing reflection hints on Kotlin classes for KotlinDetector #31269
• Missing reflection hint on MonetaryAmount in conversion service #31266
• Missing reflection hints for jakarta.inject classes #31259
• ResponseBodyEmitter ignores calls to complete but remains open after JSON write error while sending #30687
• The task in AsyncTaskExecutor throws an exception before execution, and ControllerAdvice will be called twice. #30232
• Suppress deprecation warning for AOT-generated code that refers to a deprecated member #29597
• Avoid duplicate ApplicationListener firing (proxy vs. target) #28322
• JCacheCache#putIfAbsent is not atomic #21591

:notebook_with_decorative_cover: Documentation

• Add Search in all Spring Docs #31290
• Add missing period in RestClient documentation #31237
• Improve wording in Javadoc for @Autowired #31235
• Clarify ClientHttpRequestInterceptor#intercept() must close response if it throws exception after receiving the response #29751
• Create migration guide from RestTemplate to RestClient #23269

:hammer: Dependency Upgrades

• Upgrade to Micrometer 1.12.0-RC1 #31398
• Upgrade to Reactor 2023.0.0-RC1 #31406

:heart: Contributors

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

@JakobFels, @OnlyWick, @StellarStrategist, @aahlenst, @alidandach, @bergander, @bramhaag, @chaewon121, @ctailor2, @e-freni, @esperar, @ghainesii, @hpoettker, @izeye, @joakimmohn, @kang-hl, @kriegaex, @kzander91, @markusheiden, @mdeinum, @qpakzk, @quaff, @ralph-riedel, @runeflobakk, @rwinch, @sephiroth-j, @shin-mallang, @violetbeach, and @vpavic