The unofficial DLC patches are currently being distributed as language localized ESP files.   What does this mean? It means instead of the ESP being English-only, we are now shipping them using String files found in the Data\Strings folder inside each BSA. What this allows us to do is have one ESP with all of the important changes done and then include standalone translation files to provide support for various languages in the game.   Bethesda officially provides support for Spanish, French