I just purchased a new Roku device. All of the streaming channels work fine, except Apple TV+. The videos stream but there is no audio for any show or movie. The app works perfectly on my phone, my tablet and my computer.
I contacted AppleTV+ support and they said that since it is working fine on all other devices - it's something with the Roku.
I have unplugged/plugged back in/signed in/out, deleted/added the app.
Any other suggestions?