Font selector displays multiple fonts/font styles selected at the same time

When choosing the script editor’s font settings in studio multiple fonts/font styles display as selected in the UI. I first noticed this around May of this year. Restarting/reinstalling studio does not fix it.

selector

Unable to replicate. What OS are you on and what specific version?

Windows 10 Home, version 1709, build 16299.64.
I’ve had this through multiple OS versions, however all were Windows 10 Home.