I thought this was a hub issue, but every other music player I try this with works flawlessly.
When casting to the nest/Google home hub, music plays perfectly as long as the app is on display on the hub itself. However, if I minimize Poweramp on the hub and let the display 'sleep' or go ambient, audio stutters.
If the app is active, audio plays fine. I've tested this same process with other music players and music continues regardless of the screen going ambient or not.
Has anyone else replicated this or found a solution?