Package org.springframework.web.servlet.mvc.method.annotation

Added Classes and Interfaces
DeferredResultAdapter	Contract to adapt a single-value async return value to {@code DeferredResult}.
RequestAttributeMethodArgumentResolver	Resolves method arguments annotated with an @RequestAttribute.
ResponseBodyEmitterAdapter	Contract to adapt streaming async types to {@code ResponseBodyEmitter}.
SessionAttributeMethodArgumentResolver	Resolves method arguments annotated with an @SessionAttribute.

 

Changed Classes
CompletionStageReturnValueHandler	Handles return values of type CompletionStage (implemented by java.util.concurrent.CompletableFuture for example).
DeferredResultMethodReturnValueHandler	Handler for return values of type DeferredResult, ListenableFuture, CompletionStage and any other async type with a registered adapter.
ListenableFutureReturnValueHandler	Handles return values of type org.springframework.util.concurrent.ListenableFuture.
RequestResponseBodyMethodProcessor	Resolves method arguments annotated with {@code @RequestBody} and handles return values from methods annotated with {@code @ResponseBody} by reading and writing to the body of the request or response with an HttpMessageConverter.
ResponseBodyEmitterReturnValueHandler	Handler for return values of type ResponseBodyEmitter (and the {@code ResponseEntity} sub-class) as well as any other async type with a registered adapter.