The Chrome Autoplay Policy: Why modern browsers block the automatic playback of audio and how this almost drove us crazy with the invisible audio browser source in OBS (Solution: The "Interact" click in OBS to simulate a user interaction).
The YouTube Iframe War: Why the YouTube Iframe API's setVolume() method is so unreliable in OBS. We went through different approaches (mute/unmute bugs, Web Audio API GainNodes, Native <audio> tags) until we found the most pragmatic solution.
DMCA Secure Audio Routing: How to put the bot audio source on a separate track in OBS (Track 2) so that the stream hears the music live, but it is automatically cut out of the Twitch VOD.