JSR-303 SpringValidatorAdapter uses field name as first argument (analogous to bind errors; SPR-6407)

initialize synchronization after begin while instantiating TransactionStatus as early as possible (SPR-6409)

+ renamed spring-agent.jar to org.springframework.instrument.jar through-out the documentation.

SPR-6375 - Register sensible default HTTP Message Converters based on what is available in the classpath

SPR-6466 - ContentNegotiatingViewResolver can not handle View implementations returning null as content type

added back mvc:interceptors element and added interceptor matching based on path pattern; needs review

SPR-6341 Added documentation for Lifecycle, SmartLifecycle, and LifecycleProcessor in the 'beans' chapter after init/destroy callbacks are covered.

SPR-5507 When determining start/stop order, the DefaultLifecycleProcessor checks for the new Phased interface rather than SmartLifecycle now.

RestTemplate now registers JAXB2 and Jackson by default, if found on the classpath.

HttpMessageConverter.write() now allows for a specific content type.

FormatterRegistry extends ConverterRegistry now; FormattingConversionService extends GenericConversionService