Popups (link and footnote) are blank

Testing version: Version 1.0 (362), macOS 10.13.6

What were you doing: Opening the link and footnote popup menus

What feature did you use: Links, footnotes

What happened: The popup menu opened, but the content was missing

What did you expect to happen: Expected to see content fields

Screenshot: https://www.dropbox.com/s/9vtbugho89e7ozd/panda-popup.png?raw=1