China has mandated moving to single-stack IPv6 by the end of the decade. It is not well publicized. It turns out when you have a government that can tell you

China has mandated moving to single-stack IPv6 by the end of the decade. It is not well publicized. It turns out when you have a government that can tell you "move to IPv6 or we'll have your legs broken and your family thrown in prison" it's a bit easier to get things moving.