Hi, I'm the developer of the YouTube Playback extension. So my follow-up
questions focus on that extension and not on any other. When the "Enable
video playback tracking" action runs, it updates all YouTube IFrames
(or, if you've specified a selector, then those DOM elements that match
the selector) to add the required "enablejsapi=1" parameter to the
YouTube URL (if that parameter is not in the URL already). This causes
the browser to reload the video (as browsers are designed to do, when an
el...