Element Playlist Highlighting Issue

I’ve got a private soundset with a music element that contains 10 samples (songs). When the music element is active, the samples in that element do not highlight the currently playing sample/song.

I’ve got another, similar element with fewer than 10 songs that does highlight the currently playing song.

I thought it might be e bug that elements over a certain sample count don’t show the highlight so I took a different element (dozens of small animal noise) which wasn’t showing the highlight and started deleting samples until I got to 14. That’s when it seemed to start showing the highlight.

I’m running Google Chrome 76.0.3809.132.