I'm using a browser to stream and it just prompted an update. The Release Notes reference something to do with Audio Quality Selection...
Release July 10, 2019 (v3.13.1)
* Switch video playback engine
* Remove Flash in Edge
* Fix audio quality selection and display
* Fix autoplay issues
* Various bug fixes
Release July 10, 2019 (v3.13.1)
* Switch video playback engine
* Remove Flash in Edge
* Fix audio quality selection and display
* Fix autoplay issues
* Various bug fixes