The new version that was released this week brought a great improvement in navigating parent projects and child projects: The project selector is now on the active project by default, enabling me to see where I am in a hierarchy of projects right away. Thank you for that feature!

There is a widget called "subprojects", too, and that has a "1986-feel": I get a list of all subprojects without line breaks. It looks like this:

I would wish for a widget that shows me the structure like this:

Hi Daniel, 

Thanks a lot for your kind feedback!

We have a feature request to improve the arrangement of subprojects within the widget: https://community.openproject.org/projects/openproject/work_packages/44893/activity
I have left a vote for you. 

Best regards
Samantha