The custom fields do not display in Hathor when they are set for an Article or a Contact category.
After patch, they will.
To test, create and publish a fieldgroup after choosing Category in the dropdown.
Create a field after choosing Category in the dropdown.
I have tested this item✅ successfully on 6e293d7
Article-Category and Contact-Category works.
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/15240.