Spring Framework - v5.3.31

:star: New Features

• Log4jLog needs to re-resolve ExtendedLogger on deserialization (for compatibility with Log4J 2.21) #31583

:lady_beetle: Bug Fixes

• MessageBuilder#createMessage should not define the payload as @Nullable #31611
• Avoid duplicate JAR resources in PathMatchingResourcePatternResolver on MS Windows #31603
• Spring web integration commons fileupload receives files and other parameter uploads, with a null pointer #31564
• Function column out doesn't resolve to SqlOutParameter #31560
• Resolve to empty MultiValueMap when no matrix variables are provided #31484
• BeanUtils.copyProperties() consumes large amount of memory #31481
• CGLIB BeanCopier falls back to ClassLoader.defineClass for public target #31436
• R2DBC Connection is closed during transaction when using TransactionAwareConnectionFactoryProxy #31411
• HibernateJpaDialect and HibernateExceptionTranslator throw SQLExceptionTranslator-provided exception instead of returning it #31410
• NamedParameterJdbcTemplate throws unexpected exception for null query #31394
• LazyResolutionMessage does not implement proper toString #31385
• Illegal reflective access in ContextOverridingClassLoader.isEligibleForOverriding #31233

:notebook_with_decorative_cover: Documentation

• Clarify documentation for @Transactional on interfaces #31401
• Default behavior of BeanPropertyRowMapper.getColumnValue(ResultSet, int, Class) inconsistent with code #31349
• Referencing a @Bean method in a @Configuration class' @PostConstruct method leads to circular reference #31339
• Incorrect reference information about CGLIB supported method visibility #31311

:hammer: Dependency Upgrades

• Upgrade to Reactor 2020.0.38 #31584