I’ve got the latest update, but I don’t see a Watch Channel option anywhere for Live TV shows that are starting soon. Where is the watch channel option?
Yeah the release note used (a bit confusingly) the text from the Android TV app. But on the mobile app the action is just a “Play” button on the preplay which you’ll see if the item starts within the next 5 minutes:
Or in the item’s context menu on a grid:
Play makes more sense for what it actually does. Watch Channel seems to imply an old fashioned channel guide, where you can watch the channel but look ahead on a guide to see what’s coming up on that channel.