spring-projects/spring-framework v5.3.2 on GitHub

⭐ New Features

Refine ConfigurationClassPostProcessor behavior in native images #26236
Ability to correlate ByteBuf leak records to log messages for a specific request #26230
Avoid CGLIB proxies in websocket/messaging configuration #26227
ContentCachingResponseWrapper should not add “Content-Length” when “Transfer-Encoding” is present #26182
Allow customization of file extension to media type map for WebFlux static resources #26170
Register bean definition dependencies when used via configuration class injected fields #26167
Print helpful information in RSocket MetadataExtractor #26130
Add ResponseSpec#toEntityFlux overload that accepts BodyExtractor #26114
Wildcard is a valid Access-Control-Expose-Headers value #26113
Reduce overhead of char[] creation #26101
EntityManagerFactory startup failure in deferred mode is only available on first use #26093
@DynamicPropertySource is not supported via @NestedTestConfiguration semantics #26091
Introduce and() methods in MethodFilter and FieldFilter for composite filters #26063
Kotlin extensions for WebClient.ResponseSpec #26030
Validate that JUnit Jupiter test methods and lifecycle methods are not annotated with @Autowired #25966
Add support for SSE to WebMvc.fn #25920
Template URI Variables with newline %0A or %0D are not matched #23252

🪲 Bug Fixes

AsyncServerResponse interoperability issue with path variables #26239
Remove duplicate "property" in PropertyCacheKey.toString() #26237
DataBuffer Leak in Server Response #26232
Wrong HttpServletMapping used on INCLUDE in UrlPathHelper.skipServletPathDetermination #26216
MockMvc ignores MultipartFile registrations when both files and parts are registered #26166
cannot resolve ServerRequest::pathVariable in nested RequestPredicate #26163
ConcurrentModificationException in NativeMessageHeaderAccessor#copyHeaders #26155
AbstractServerHttpRequest constructor breaks binary compatibility between 5.2.x and 5.3.x #26151
Refine kotlinx.serialization support #26147
MimeType is no longer actually serializable #26127
Resttemplate throws NPE with spring-boot-starter-log4j2 within tests #26120
Update default for favorPathExtension to match Javadoc and as intended for 5.3 #26119
Spring Boot 2.4 upgrade breaks injection of Principal #26117
NoSuchMethodError in UrlPathHelper.skipServletPathDetermination #26112
Support allowedOriginPatterns in SockJS config #26108
PathMatchingResourcePatternResolver fails to resolve resources from JAR located in path with '#' on JDK 11+ #26104
@Transactional causes casting error for suspending function on Spring MVC #26092
UrlPathHelper#removeJsessionid doesn't remove the jsessionid from the URL #26079
NamedParameterJdbcTemplate.batchUpdate does not individually apply the SQL type from each SqlParameterSource argument #26071
Missing error status handling for toEntityFlux methods in WebClient #26069
DataBufferUtils#join may release a DataBuffer more than necessary #26060
FlightRecorderApplicationStartup exception on processing Http Request #26057
WebMvc.fn: ServerResponse.async does not handle exceptions as expected #25931
Non-compliant Content-Type header for multipart media types #25885
ResponseEntity Exception Handling Issues #25490

📔 Documentation

Clarify intended advice execution behavior in Spring version 5.2.7+ #26202
DateTimeFormat ISO.DATE_TIME javadoc contains misleading default note #26134
Spring EntityManager proxy is incompatible with Hibernate Search <5.11.6 (FullTextEntityManager instantiation fails with ClassCastException) #26090
Null passed in required @RequestParam now fails #26088
Mention security consideration in ForwardedHeaderFilter javadoc #26081
Add cron expression documentation #26067
Update javax.mail reference to jakarta.mail #25855
Mechanism to access request bound objects in WebClient filter in servlet env #25710
Document that @Transactional does not propagate to new threads #25439

🔨 Dependency Upgrades

Upgrade to Kotlin Coroutines 1.4.2 #26226
Upgrade to Reactor 2020.0.2 #26176
Upgrade to Kotlin 1.4.21 #26132

❤️ Contributors

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