5.6.3p2:3.1.0.0
StandaloneWindows
C:/Program Files/Unity/Editor/Data/Managed/UnityEngine.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/GUISystem/UnityEngine.UI.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/Networking/UnityEngine.Networking.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/TestRunner/UnityEngine.TestRunner.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/TestRunner/net35/unity-custom/nunit.framework.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/UnityAnalytics/UnityEngine.Analytics.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/UnityHoloLens/RuntimeEditor/UnityEngine.HoloLens.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/UnityVR/RuntimeEditor/UnityEngine.VR.dll
C:/Program Files/Unity/Editor/Data/Managed/UnityEditor.dll