Ok I imported 1.6.2 and couldn't find the new PlayerPrefs so imported the package at the top of the this page.
Assets/PlayMaker Custom Actions/PlayerPrefsx/PlayerPrefxSetValue.cs(54,106): error CS0103: The name `PlayMakerUtils' does not exist in the current context
Assets/PlayMaker Custom Actions/PlayerPrefsx/PlayerPrefxSetValue.cs(54,69): error CS1502: The best overloaded method match for `UnityEngine.PlayerPrefs.SetInt(string, int)' has some invalid arguments
Assets/PlayMaker Custom Actions/PlayerPrefsx/PlayerPrefxSetValue.cs(54,69): error CS1503: Argument `#2' cannot convert `object' expression to type `int'
Assets/PlayMaker Custom Actions/PlayerPrefsx/PlayerPrefxSetValue.cs(57,111): error CS0103: The name `PlayMakerUtils' does not exist in the current context
Assets/PlayMaker Custom Actions/PlayerPrefsx/PlayerPrefxSetValue.cs(57,69): error CS1502: The best overloaded method match for `UnityEngine.PlayerPrefs.SetFloat(string, float)' has some invalid arguments
Assets/PlayMaker Custom Actions/PlayerPrefsx/PlayerPrefxSetValue.cs(57,69): error CS1503: Argument `#2' cannot convert `object' expression to type `float'
I get 27 errors like this, what should do?