artembilan/spring-integration — comment on commit eebb7cedab6fa6fdccf2c15895f2b12793b2ae84
File: spring-integration-core/src/main/java/org/springframework/integration/config/xml/DefaultOutboundChannelAdapterParser.java line 65
By olegz:

You can just do genericBeanDefinition(MethodInvokingMessageHandler.class). We no longer require it to be a String. That was STS limitation which no longer exists