Hi, Yesterday I updated my project to version 2018.3, and downloaded the post-processing package along with it. It works all fine, except that when I try to reference the post process namespace, I get the error : PostProcessing does not exist in the namespace "UnityEngine.Rendering". Tried to remove and re-add the package without any results, also I premise that I don't use Cinemachine or possibly related packages. The post processing package is version 2.1.2 (latest). Any tips in order to solve this problem? Thanks all in advance. EDIT : Updating Visual Studio solved the issue!