Future of dynamic (post-registration) properties

Blender 2.80 suggests to use annotations for bpy property definitions, but adding/removing properties after class registration can still only be done via the “old” mechanism (regular python attributes).

When the need for such “dynamic” property definitions arises, unregistering-modifying-registering a class is more cumbersome and error-prone (and, for some users, has even led to crashes).

I’d just like to know for certain – will this possibility continue to be supported, or for some reason the devs are considering to completely remove such an option in the future?

Okay, in this page in the docs such a case is mentioned explicitly, so I guess it’s not going away: