Since the 3.0 update I have been having some headaches related to Play/Pause/Seek controls in other apps, and I believe Poweramp is the culprit. As a test, I uninstalled Poweramp and all the problems went away
Phone Model: Samsung Galaxy S7 Edge
Android Version: 8.0.0
Other apps affected: Pocket Casts, Google Play Music
I will try to explain my headaches below, but the title pretty much explains it all: the 3.0 update has made external media controls all but unusable for any audio app other than Poweramp.
Before 3.0, if I was listening to a podcast on Poc