Do you know if there are plans in the near future for ROKU to add the audio stream option using DP?
You'd have to get an answer from Roku on that, but my guess is that it won't be any time soon. The Subscription and In-App Purchasing systems where supposed to be added in Q3/Q4 2017 and we are still waiting for them. Maybe they will now that they've started doing the Amazon Echo knock-off, they'll start supporting more audio-only systems.
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