If that relationship weren&#x27;t clear you wouldn&#x27;t have a window.<i>opener</i> attribute to begin with.<p>That said, I&#x27;m also skeptical of legitimate uses for controlling the location of another top level window as well, so I&#x27;m fine with killing that option too.<p>Of course, I don&#x27;t expect them to actually fix this, but I&#x27;m still waiting for a convincing argument that it should have been that way in the first place.