@Bem : Thx ! That was not clear for me! :)
some files from November must to be remplaced the october ones! (2)
nodeeditor.css in C:\Program Files\MoI 4.0 beta Nov-18-2017\ui\nodeeditor\core\css\nodeeditor.css
nodeeditor.js in C:\Program Files\MoI 4.0 beta Nov-18-2017\ui\nodeeditor\core\nodeeditor.js

Now all is clear! :)

At first glance nothing to translate for general use! :)
For old nodes of course!