spring-projects/spring-framework v5.3.4 on GitHub

⭐ New Features

Enforce standard Java types in YamlProcessor #26530
Fall back on awaitToBodylessEntity when awaitBody is used with Unit #26504
Expose HttpHandler Decoration as a bean #26502
Inefficient reflection operations for destroy method determination #26498
Missing CORS Headers for Static Resources in WebFlux #26495
Ignore null Locale in MockHttpServletResponse #26493
Ignore null header value in MockHttpServletResponse #26488
Add application/vnd.google.protobuf to ProtobufCodecSupport #26487
Expose ChannelId in ReactorNettyWebsocketSession #26485
Exclude User Destination Messages in Broker Message Handler #26474
UriComponentsBuilder '{' '}' may not be encoded although invalid characters #26466
Support BASE64 file name encoding in ContentDisposition #26463
Allow AbstractEnvironment subclasses to use custom ConfigurablePropertyResolver and MutablePropertySources #26462
Allow AbstractEnvironment to bypass active/default properties #26461
No way to affect response when unhandled exceptions thrown from ForwardedHeaderTransformer #26459
Support for servletPath prefix with PathPatternParser in Spring MVC #26445
Add unique number to WebFlux log prefix for Undertow server #26430
Provide a way to modify RequestMappingInfo conditions #26428
Provide better lifecyle for WebMvcConfigurer.configurePathMatch #26427
Fail early FactoryBean instantiation for LinkageError #26425
Unwrap DataSource hidden behind InfrastructureProxy in SqlScriptsTestExecutionListener #26422
Close mapping streams after the ValidatorFactory has been built in LocalValidatorFactoryBean #26418
Introduce public defineClass variant for SmartClassLoader implementations #26403
Return 415 for form data via @RequestBody in WebFlux #26386
Make set operator for MapSqlParameterSource accept nullable value #26288
Provide API to Expose the Handling of PreFlight Requests in WebFlux #26257
Configure the ObjectMappers to Use for a Class by MediaType #26212
Jetty 10 Support #26123
Introduce a NativeDetector utility class #25795
Add overload for MockRestServiceServer.verify with a timeout #22618

🪲 Bug Fixes

IllegalArgumentException due to lack of a cached lookupPath #26546
BeanUtils does not copy properties with generics from a Proxy since 5.3.0 #26531
Autowiring shortcut fails with NoSuchBeanDefinitionException after removeBeanDefinition call #26517
MockPart in request is not recieved in RequestPart in controller #26501
CORS Headers Added to Pre-Flight Request on Ambiguous Match Even Without @CrossOrigin #26490
SimpleJdbcInsert (sporadically) does not insert all columns #26486
Avoid unnecessary wrapping for SqlParameterValue #26471
DefaultHandlerExceptionResolver handling of media type exception on Tomcat 7+ #26470
Websocket extensions not working #26449
AbstractBeanDefinition#equals handles propertyValues incorrectly #26433
WebMvcConfigurationSupport.beanNameHandlerMapping does not set PathPatternParser #26414
Simple URL Mapping not working with PathPatternParser when Servlet context path is used #26411
BodyInserters.fromMultipartData swallows content type in certain cases #26410
MockPart is not added to parameter list anymore for Content-Type application/json #26400
CronExpression skips a temporal when last day of the month and * expression is used #26390
Malformed Content-Type Header in Response #26315

📔 Documentation

Update ref docs for nested class names #26540
RSocket support not linked from user guide index #26534
Document the "SpringProperties mechanism" mentioned in the testing chapter #26492
Document UriComponentsBuilder.pathSegment doesn't allow segments "without text" #26457
UriComponentsBuilder documentation error for HTTP request encoding #26453
Improve reference documentation on Resources #26447
Update documentation with details on content negotiation and the order of converter registrations #26388
Wrong documentation for CachePut #26186
Document choices for async ResponseEntity return values #22614

🔨 Dependency Upgrades

Update Gradle Enterprise Plugin versions #26374
Upgrade to JUnit 4.13.2 #26543
Upgrade to JUnit 5.7.1 #26510
Upgrade to Kotlin 1.4.30 #26545
Upgrade to Reactor 2020.0.4 #26548

❤️ Contributors

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