Spring Framework - v5.3.30

:star: New Features

• Optimize ClassUtils#getMostSpecificMethod #31100
• Optimize whitespace checks in StringUtils #31069
• Align validation metadata handling in PayloadMethodArgumentResolver #31056
• Register an override for an existing adapter in ReactiveAdapterRegistry #31048
• Make bean initialization deterministic for multiple @Autowired methods on same bean class #30994
• Performance bottlenecks while creating scoped bean instances #30892

:lady_beetle: Bug Fixes

• Possible classloader leak through incomplete clearing of annotation caches #31176
• Spring LogFactory implementation deviates from original Apache LogFactory in terms of abstract method declarations #31167
• Bean injection fails due to nullSafeConciseToString() invoking isEmpty() on a Map/Collection proxy #31156
• SpelExpressionParser throws IllegalStateException instead of ParseException for invalid expression #31099
• @DynamicPropertySource in @Nested test class cannot override dynamic properties from enclosing class #31085
• TransactionalApplicationListenerMethodAdapter should find @TransactionalEventListener on target class method #31037
• ScheduledAnnotationBeanPostProcessor: graceful shutdown should not interrupt currently running jobs #31020
• Permgen memory leak due to ClassInfo caching in java.beans.Introspector on JDK 11/17 #31005
• MethodIntrospector.selectMethods(?) fails to find methods in case of special bridge method arrangement #30907

:notebook_with_decorative_cover: Documentation

• Fix documentation: Passing in Lists of Values for IN Clause does not work with JdbcTemplate #31229
• Refine CORS documentation for wildcard processing #31168
• Propagation REQUIRES_NEW may cause connection pool deadlock #31040
• Clarify R2DBC ConnectionAccessor and DatabasePopulator exception declarations #30933
• Doc: Avoid deadlock in @PostConstruct through SmartInitializingSingleton or ContextRefreshedEvent #30889