Build system now produces file UE4Editor.modules, one in your UE4/Engine/Binaries/Win64/ folder, and another in your project’s Binaries/Win64/
If mutiple developers use the same project dll’s, but have different UE4 compilations, make sure that project’s UE4Editor.modules has the same “BuildId” value, as it does in their ue4 folder.
Otherwise attempting to open your project will bring up error: “The following modules are missing or built with a different engine version:…”