No RequiredAnnotationBeanPostProcessor is automatically registered. According to source code of AnnotationConfigBeanDefinitionParser class we see that there is a using of AnnotationConfigUtils class. Investigating the code of letter one we see that there is registration of 5 BeanPostProcessor and BeanFactoryPostProcessor classes.

Comment From: sbrannen

I was just about to make the same change, so thanks for providing the PR.

Comment From: sbrannen

This has been merged into master.

Thanks