OCP hasn’t been the responsibility of the central government for years. The provinces are, predictably, weakening the policy where politically feasible. From wikipedia:
In response to [4-2-1], all provinces have decided that couples are allowed to have two children if both parents were only children themselves: By 2007, all provinces in the nation except Henan had adopted this new policy; Henan followed in 2011.
Yet it is sufficiently entrenched that the Chinese government shows few signs of dropping it soon even with the 4-2-1 problem looming.
OCP hasn’t been the responsibility of the central government for years. The provinces are, predictably, weakening the policy where politically feasible. From wikipedia: