spring-projects/spring-framework v5.0.12.RELEASE on GitHub

⭐ New Features

NettyDataBufferFactory.join should return original buffer as-is in case of a single element (for compatibility with Netty 4.1.32) [SPR-17560] #22092

'default-lazy-init' attribute is not processed when XSD validation is disabled [SPR-8335] #12983
Spring JavaMailSenderImpl does not show proper message when recipient list is empty [SPR-17540] #22072
Potential resource leak in DataSourceUtils.doGetConnection [SPR-17559] #22091
SpEL variable evaluation fails with NPE against ConcurrentHashMap [SPR-17565] #22097
MockHttpServletRequest changes Accept-Language header values [SPR-17566] #22098
Exporting a lazily initialized bean (which implements SelfNaming and is annotated with ManagedResource annotation) gives IllegalStateException [SPR-17592] #22124
SpEL, error parsing big InlineMap [SPR-17605] #22137
@Value Optional<...> field injection fails in case of registered ConversionService [SPR-17607] #22139
ChannelSendOperator does not propagate cancel signal to the server [SPR-17609] #22141
Cannot convert from Collection to RegularEnumSet [SPR-17619] #22151
MockMvcResultMatchers.forwardedUrl argument is not declared as nullable [SPR-17623] #22155
UriComponentsBuilder.toUriString() is broken [SPR-17630] #22161

Error in reference documentation sentence in part 1.8.1. Customizing Beans by Using a BeanPostProcessor [SPR-17556] #22088
Typo in SpEL Evaluation Context Sample [SPR-17581] #22113