:star: New Features

• Add missing RequestPredicate variants in coRouter #32256
• Adapt ConcurrencyThrottleSupport to use ReentrantLock for better virtual thread support #32251
• Create optimized versions of request predicates #32244
• Include function name in SpelMessage.INCORRECT\_NUMBER\_OF\_ARGUMENTS\_TO\_FUNCTION #32239
• Add Coroutines support to NonReactiveHandlerMethodPredicate #32227
• RouterFunctionMapping does not implement MatchableHandlerMapping #32221
• Initialize (another) Map with correct size in RequestPredicates #32215
• Make SmartLifecycle phase value configurable in STOMP message handling components #32205
• Initialize Map with correct size in RequestPredicates #32201
• Let BeanPropertyRowMapper subclasses customize mapped names #32199
• Improve client and server handling of STOMP heartbeat failures #32195
• Optimize Map methods in ServletAttributesMap #32189
• Support binary streams with JdbcClient #32161
• Annotate core functional SPIs in SpEL with @FunctionalInterface #32135
• Cannot use SimpleJdbcInsert with catalog name #32124
• Refactor ReloadableResourceBundleMessageSource #32118
• Reuse MapPropertySource for DynamicValuesPropertySource implementation (as a template for custom variants) #32110
• Improve Spring AOP performance for methods without specific advice #32104
• Make it possible to configure any TaskExecutor through ChannelRegistration #32081
• Add support for JSON streams to Kotlin Serialization #32074
• Avoid reflecting to obtain validationGroups every time the call is made #32068
• Reject @RequestMapping and @HttpExchange declarations on the same element #32065
• Missing toString for ExponentialBackOff #32061
• Reject multiple @HttpExchange declarations on the same element #32049
• ClientAbortException from StreamingResponseBody can cause infinite loop of dispatches #32042
• Log warning if multiple @PostMapping, @GetMapping, etc. annotations are declared #31962
• Using types in @SessionAttributes is sometimes not reflected in the model #30463
• Improve read publisher cancel handling to avoid connections in CLOSE_WAIT state with WebSocket on Tomcat #30393
• Provide more control over JPA entities scanning #27892
• Provide and document a way to handle single-page application redirects #27257
• MockMvcClientHttpRequestFactory swallows ServletResponse.errorMessage #26720

:lady_beetle: Bug Fixes

• Cannot send Server-Sent Events without data using WebMvc.fn SseBuilder #32270
• Fix pathExtension null-safety in Kotlin DSLs #32254
• SimpleEvaluationContext.Builder is not final and has a public constructor #32253
• @JsonDeserialize(builder = ...) does not work in GraalVM native image #32238
• RestClientAdapter claims it supports request attributes when it does not #32232
• ThreadPoolTaskExecutor rejecting tasks as soon as the context has been closed can lead to exceptions during web app shutdown #32226
• Consistent parsing of user information in UriComponentsBuilder #32211
• "IllegalStateException: Cannot call sendError() after the response has been committed" when IOException is thrown during resolving method argument values on Tomcat >= 10.1.16 #32206
• No longer able to override the toString() in HandlerMethod from 6.1.3 #32184
• 6.1.3 regression: aspect not called with multiple inheritance #32181
• Unable to use baseUrl on builders created from RestTemplate #32180
• MessageDeliveryException on shutdown with open WebSocket connections #32171
• With XML configuration, setter selection can be random in case of overloaded setter methods (e.g. on SimpleClientHttpRequestFactory in 6.1.3 from convertForProperty method) #32159
• Cannot process AOT when spring-orm is on the classpath without JPA #32155
• SpEL's Indexer.setArrayElement() incorrectly requests conversion to wrapper instead of primitive #32147
• SpEL increment and decrement operators do not generate prefix AST representation #32144
• Validation of PartEventHttpMessageReader#maxParts is off by one #32122
• QualifierAnnotationAutowireCandidateResolver.checkQualifier does identity checks when comparing arrays used as qualifier fields #32106
• Guard against multiple body subscriptions in Jetty and JDK reactive responses #32100
• Parameter based cache keys on repository methods can't resolve after 6.1.2->6.1.3 #32087
• Exceptions thrown by custom error handlers are not recorded in RestTemplate observations #32060
• Static resources caching issues with ShallowEtagHeaderFilter and Jetty caching directives #32039
• RestClient calls interceptors from RestTemplate twice #32038
• DefaultRestClientBuilder.defaultRequest(...) doesn't do anything #32028
• Alias resolution error message in SimpleAliasRegistry is misleading #32025
• Destroy method not found in Native image for ExecutorService Bean type #32006
• RequestPredicate fails with WebFlux 6.1.2 #31955
• ChannelSendOperator.WriteBarrier race condition in request(long) method leads to response being dropped #31865

:notebook_with_decorative_cover: Documentation

• Fix Kotlin syntax errors in RestClient builder example in rest-clients.adoc #32265
• Use double dot in "META-INF/aop.xml" documentation #32264
• Document that functions are variables in SpEL EvaluationContexts #32258
• Add section on AOT best practices about registering beans programmatically #32241
• Add section on AOT best practices about registering singletons #32240
• Fixes syntax error in JdbcClient examples #32236
• Document @RequestAttribute in HTTP clients #32231
• Fix typo in beanvalidation.adoc #32218
• Variables definition fixed #32216
• Document safe navigation support for collection selection/projection in SpEL #32208
• Document usage of SpEL's power operator in the reference manual #32187
• Document support for overloading operators in SpEL #32182
• Update basics.adoc #32145
• Document between operator in SpEL #32140
• Update documentation for supported letters in variable names in SpEL #32138
• Document repeat and characer subtraction String operators in SpEL #32137
• Document increment and decrement operators in SpEL #32136
• Document cron-vs-quartz parsing convention for dayOfWeek part in CronExpression #32128
• Fix typo #32111
• Graceful shutdown does not cancel @Scheduled tasks #32109
• Fixes atlas-extension order #32083
• Spring MVC and WebFlux docs need to say method validation applies if any method parameter has constraint annotations #32082
• Add @see PathPattern to function router methods with a pattern parameter #32045
• Rename class-data-sharing.html to cds.html #32044
• Enable table striping by default in the reference manual #32022
• Document that Conditions can be ordered #32019
• Document how @JvmName could mitigate Kotlin internal modifier impact #32010
• Update docs on server side use of @HttpExchange to make it more clear when it is a good fit #32008
• Document safe navigation semantics within compound expressions in SpEL #21827
• Document limitation of SpEL regarding minimum values for numeric literals #20779

:hammer: Dependency Upgrades

• Upgrade to Micrometer 1.12.3 and Context Propagation 1.1.1 #32277
• Upgrade to Reactor 2023.0.3 #32274

:heart: Contributors

Thank you to all the contributors who worked on this release:

@1515biubiubiu, @Akaame, @OlgaMaciaszek, @andreibastun, @cirusthenter, @erichaagdev, @jee14, @jmondo, @kilink, @kzander91, @mnhock, @quaff, @rotilho, @rwinch, @senocak, @spencergibb, and @wfouche