Structured/Managed Navigation enabled on Modern Pages in Classic Team Sites. With this update if you have enabled publishing on a classic team site, your structured or managed navigation will now render correctly in the modern experience (both global and current navigation), including any scoped or audience-targeted links. We haven’t pulled all the classic settings into the modern panels yet, so when you need to edit the navigation elements, the edit link will direct you to the classic settings page.

Navigation settings on a classic team site:

Now render correctly on a modern page:

Additionally, subsites will correctly inherit from the parent web when structural navigation is used.

Parent site:

Subsite: