Support aria-actions attribute. There is a common UI pattern where secondary actions are placed within composite interactive widgets. The aria-actions attribute allows us to expose these secondary action buttons directly for improved discoverability.
Many common UI patterns today involve the concept of "secondary actions", such as the close button on a tab. AT discovery of these related actions is a common pain point, for example, when a screen reader user focuses on a tab, they should be made aware of any associated controls, such as the close button.