Can't build hierarchy of hierarchical custom post types
|Reported by:||sillybean||Owned by:|
|Component:||Posts, Post Types||Keywords:|
You can't actually create a hierarchy of hierarchical custom post types, because when 'page-attributes' is supported, pages are shown in the parent dropdown no matter what content type you're looking at. Get_pages() supports hierarchical content types now (see #12600), so this should be possible.
Also, the quick edit feature doesn't work at all for hierarchical types, so there's no way to choose a parent there.
(Related to #9674.)