very simple to turn the auto play feature on or off from the "My Account" webpage on your browser after you sign in to your Netflix account on your web browser...NOT from ROKU or another device like PS4
Nope, what you are referring to is for series to auto-play the next episode when one ends. What is being referred to here is the latest Netflix user interface beginning to play a video as a preview in the upper portion of the screen while it is highlighted. You don't have to select the video for the preview to begin. And it's annoying as all get out...