[?Bug?] Mediabay won't import from project "audio" folder

If I locate an audio file that is in the "audio " folder of my project, using mediabay, and then try drag it into my project, nothing at all happens… the file does not get imported into the project. I have to first copy the file to another folder, then import it from there (which works OK).

Is this a bug?

I frequently bounce down intermediate WAV files to the project’s audio folder (after all, the “export audio mixdown” dialog box has a “use project audio folder” option, so I assume it is a legal move) (??)