Deprecation notice Unfortunately, Opaque will be discontinuing regular updates to Kinect 4 Unreal for the foreseeable future. Version 4.20 will remain here for download, and the Introduction Levels and Example Content levels will remain on the Epic marketplace. Kinect 4 Unreal (sometimes abbreviated to K4U) is a middleware plugin that allows Unreal Engine 4 developers to use Unreal Engine 4’s Blue