Microsoft has just pushed an update for its Groove Music UWP app. The update is currently only available for Insiders in Fast Ring and takes the app version to 3.6.2397.0. What it brings in terms of changes is an important fix as described below. It is available for all Windows Devices.
We released an update to this payload to fix the issue that caused Groove Music to randomly play music and the issue that prevented the app from producing audio in some cases. Look for 3.6.2397.0 in the Store for Windows devices – PC, phone, and HoloLens.