spring-projects/spring-framework v5.2.2.RELEASE on GitHub

⭐ New Features

Provide default codecs config callback to custom codecs #24118
Add protobuf MessageConverter #24087
Refine Throwable handling in spring-websocket #24075
Improve part content type determination in MockMultipartHttpServletRequest #24074
Cache result of String.getBytes() in ExtendedBeanInfo.PropertyDescriptorComparator #24072
Use String.isEmpty() instead of String.equals("") #24052
IOException "Closed while Pending/Unready" with WebFlux on Jetty #24050
Avoid substring allocation in StringUtils.replace #24023
Use @MessageMapping method signature to constrain RSocket interaction model #23999
Avoid indefinite wait to connect in JettyWebSocketClient #23994
Add queryParam method to MockHttpServletRequestBuilder #23980
Fallback locale other than the system locale in AbstractResourceBasedMessageSource #23977
Support for new MySQL 8 error code 3572 #23972
Simplify ConstructorResolver: do not sort intermediate array #23969
Avoid store all beanName in ApplicationListenerDetector #23965
Allow ExchangeStrategies customizations in WebClient #23961
Use Method::getParameterCount where possible #23949
Align implementations of StringToUUIDConverter and UUIDEditor #23940
Use "non-blocking" thread for server-less tests in WebTestClient #23936
Avoid default Accept header from HttpUrlConnection in RestTemplate with put and delete #23740 #23855
Reject "%2F" as an invalid sequence in simp messaging usernames #23836
ApplicationListenerMethodAdapter: gracefully handle beans which are actually NullBean #23784
Provide orNull extensions for WebFlux ServerRequest #23761
MockMvc Kotlin DSL should support async dispatch #23758
RSocketRequestSpec handling metadata values that is a Publisher type #23640
Preserve the originalMessage when creating an ErrorMessage in MessageBuilder #23417
Add an option to not include Charset in the final http request ContentType Header #22971
Allow sending headers with the disconnect frame #22715
Avoid String concatenation for lookup in StaticMessageSource #22451
Keys for form data in FormHttpMessageConverter must not be null #22372
XpathResultMatcher supports Hamcrest Matcher NodeList #2023
Error details in RestTemplate client and server exceptions #1956
Preserve "type" parameter in media type for Atom Feed/Entry message conversion #1885

🪲 Bug fixes

Null pointer when connecting to RSocket #24088
Regression: @Inherited annotations declared in superclass are not recognized anymore #24077
RSocketRequester allows specifying data more than once #24073
Revise AbstractBeanDefinition equals implementation #24048
SqlRowSet accessor methods should be marked @Nullable #24042
Unsafe invocation of .value() on annotations in SynthesizedMergedAnnotationInvocationHandler prevents backwards-compatible additions to annotations #24029
InMemoryWebSessionStore makes blocking calls to UUID.randomUUID #24027
ControllerAdviceBean.findAnnotatedBeans() finds proxies as well as their target beans, resulting in double registration #24017
NullPointerException in JSON codec parsing stream encoded with Jackson Smile #24009
Fix inappropriate eager init. #23992
Calling MethodParameter.isOptional() for Kotlin Continuation parameter fails with IndexOutOfBoundsException #23991
Regression: ControllerAdviceBean#getOrder() causes BeanCreationException for request scoped advice beans #23985
TestDispatcherServlet ambiguous handler methods with consumes condition and body not required #23978
AbstractRequestLoggingFilter.getHeaderPredicate is accidentally public #23976
Reading 'null' JSON response via WebClient fails in v5.2.x #23935
Allow schemaZip Gradle task to execute on MS Windows #23933
Regression: AnnotationUtils.findAnnotation no longer finds non-inherited "java." annotations on superclasses #23929
ResponseCookie to allow leading dot in domain name again #23924
Regression in spring-test's 5.2.1 MockCookie parse implementation #23911
useSuffixPatternMatch ignored if pathPrefix is also used #23907
Ensure InstantFormatter can properly deserialize ISO-formatted dates #23895
Fix RSocket Fire and forget handling with Kotlin #23866
SpEL cannot invoke Kotlin synthetic classes #23812
ShallowETagHeaderFilter overwrites ETag #23775
Corrupted multipart + correct content-length lead to Flux<Part> hanging #23768

📔 Documentation

[.] is displayed as [bold .] ,need to escape #24108
Fix consecutive-word duplications in documentation #24089
Examples in Data Access chapter declare unused JdbcTemplate fields #24085
Data Access chapter 3.5.1 uses bad pattern #24084
Documentation flaw for <tx:method/> settings #24080
Fix errors in documentation #24008
TypeDescriptor#getElementTypeDescriptor does not throw IllegalStateException anymore #23996
Update docs on ShallowEtagHeaderFilter with regards to ASYNC dispatches #23958
DEFAULT_PHASE of SmartLifecycle interface has incorrect Javadoc #23956
Documentation for ForwardedHeaderFilter does not mention important filter order #23954
Different behavior when injecting beans from local @Configuration class vs. external @Configuration classes #23934
Correct Javadoc for WebMvcConfigurer#addInterceptors #23922
Improve WebClient.Builder::filter documentation #23342

🔨 Dependency upgrades

Upgrade to Reactor Dysprosium-SR2 #24037
Upgrade to Kotlin 1.3.61 #24006

❤️ Contributors

We’d like to thank all the contributors who worked on our current release!