4.2 RC3 Release

⭐ New Features

• Allow Collection Selection/Projection to be applied to instances of Iterable [SPR-13231] #17822
• SimpleClientHttpRequestFactory: headers with null values should be sent as empty Strings [SPR-13225] #17816
• Allow customizing DispatcherServlet in AbstractDispatcherServletInitializer [SPR-13222] #17813
• JaxbMarshaller scan should skip annotated interfaces [SPR-13221] #17812
• JdbcTemplate.queryForObject(sql, .class) produces TypeMismatchDataAccessException [SPR-13220] #17811
• Support single quotes nested in double quotes in SQL scripts [SPR-13218] #17809
• BeanPropertyRowMapper should always call toLowerCase with US encoding [SPR-13216] #17807
• As of Jackson 2.6 the module class supporting the java.time (java8) package has changed [SPR-13212] #17804
• TomcatInstrumentableClassLoader should support Tomcat 7.0.63+ as well [SPR-13210] #17802
• ResourceBundleThemeSource could expose the property fallbackToSystemLocale of ResourceBundleMessageSource [SPR-13209] #17801
• Make RedirectViews use RESPONSE_STATUS_ATTRIBUTE as a response status if defined [SPR-13208] #17800
• Avoid rejecting same origin requests detected as CORS requests [SPR-13206] #17798
• LinkedMultiValueMap should allow for deep copy of List values [SPR-13201] #17793
• CommonsMultipartResolver should support setFileSizeMax [SPR-13200] #17792
• Support HandlerMethod parameter in @MessageExceptionHandler [SPR-13196] #17788
• Add an Access-Control-Request-Method check for CORS preflight requests [SPR-13193] #17785
• Add a CORS Filter [SPR-13192] #17784
• DelegatingFilterProxy should be aware of FrameworkServlet's WebApplicationContext [SPR-13191] #17783
• Unresolvable class in 'basePackageClasses' annotation attribute results in misleading and hard to diagnose error [SPR-13177] #17769
• Add @EventListener value() support for event class literals [SPR-13156] #17747
• ScriptTemplateView configuration option for JavaScript concurrency issues [SPR-13034] #17626
• Reduce BeanDefinition cloning in AbstractBeanFactory.getMergedBeanDefinition [SPR-12236] #16851
• MultipartFile interface should extend InputStreamSource [SPR-11861] #16480

🪲 Bug Fixes

• SseEmitter is not thread safe [SPR-13224] #17815
• ResponseBodyEmitter skips same messages during initialization [SPR-13223] #17814
• Populate RequestAttributes before invoking FilterChain in MockMvc [SPR-13217] #17808
• WebContentGenerator not backwards compatible [SPR-13207] #17799
• NullPointerException possible in DefaultSubscriptionRegistry [SPR-13204] #17796
• BEFORE_* modes in @DirtiesContext cause context to be closed before test [SPR-13180] #17772
• Binary data in POST multipart request is unmarshalled incorrectly [SPR-13096] #17687

📔 Documentation

• Improve documentation on limitations of Spring MVC Test [SPR-13169] #17760
• Improve DispatcherServlet diagrams [SPR-13120] #17711
• Improve Documentation about when use BindingAwareModelMap and ExtendedModelMap [SPR-12896] #17495
• Document @Bean definitions via default methods [SPR-12882] #17480
• Improve Reference Documentation about Spring WebSocket [SPR-12579] #17180
• Document method visibility rules for @Bean methods [SPR-12345] #16950
• Document autowiring of javax.validation.Validator with use of @EnableWebMvc [SPR-12194] #16808
• Improve documentation for @IfProfileValue precedence [SPR-11902] #16521
• Documentation should mention @Primary [SPR-7301] #11960