- Added new features such as microsecond support in Duration conversions, lazy Charset handling, primary DispatcherServlet path discovery, and deprecated the unused ConfigFileApplicationListener.APPLICATION_CONFIGURATION_PROPERTY_SOURCE_NAME.
- Fixed many bugs including actuator endpoint security, null-pointer issues in WebFlux tag handling, query string encoding errors, auto-restart after directory deletions, and improved error messages for missing constructors and bean analysis.
- Updated documentation with correct starter references and testing guidance, and performed extensive dependency upgrades across Spring modules, databases, and build plugins.