spring-projects/spring-framework v5.1.6.RELEASE on GitHub

⭐ New Features

Improve exception handling when Hibernate-related bean creation fails #22689
STOMP servers MUST handle a STOMP frame in the same manner as a CONNECT frame #22652
Performance improvement in RequestMappingInfo #22598
Skip more classes when processing beans in EventListenerMethodProcessor #22564
Jackson2Tokenizer ignores USE_BIG_DECIMAL_FOR_FLOATS deserialization feature #22510
Revisit XML schema handling for consistent local vs external resolution #22504
JdbcTemplate.extractOutputParameters should preserve order of parameters #22491
Lazy Session initialisation for JmsTransactionManager #22468
MappingJackson2MessageConverter with Jackson Smile #22444
Cannot define custom XmlFactory with Jackson2ObjectMapperBuilder.xml() #22428
Directly registered FactoryBeans are instantiated more aggressively than those defined via @Bean methods #22409
Provide additional debug information for memory leaks via ByteBuf.touch [SPR-17427] #21960
Suppress Reactor Netty "disconnected client" exceptions the logs [SPR-17257] #21790

JdbcOperationsExtensions.queryForObject overload which takes in lambda - allow null value to be returned? #22682
Avoid duplicate registration of @ControllerAdvice implementing both RequestBodyAdvice and ResponseBodyAdvice #22638
Locale inconsistently resolves to null for invalid input value #22603
Jackson2ObjectMapperBuilder's modulesToInstall function does not eventually override the default configuration #22576
ServletWebRequest.getHeaderValues throwing NPE when header information is not available #22547
Fix repeat DataBuffer#write(CharSequence, Charset) calls #22484
Last-Modified Date format changed with SPR-17571 to not have double digit day #22478
@RequestMapping content negotiation should not impact error responses formats #22452
AbstractTraceInterceptor causes problems when implemented in Kotlin #22435
Events extending from PayloadApplicationEvent and implementing an interface fail to match @EventListener argument #22426
ReflectUtils.defineClass() ignores the ClassLoader argument in Java 11 #22416
DefaultConversionService fails to properly convert an Object[] to a int[] #22410
Ensure indexer gracefully handle missing meta annotations #22385

Update documentation for WebJar support #22613
remove broken link "overview.html#background-ioc" in doc core.html #22597
PDF Documentation Spring-Core 5.1.5: Occurrences of a STRONG tag, where we should see a bold font #22577
Using MockMvc to test Flux endpoints? #22544
Documentation about aspectj and agent configuration is outdated and confusing #22429
Add guidelines about using checked exception with proxies in Kotlin #22412

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