Is there any configuration setting to define the GUI language? The GUI currently automatically uses the "primary language" that my browser suggests. Unfortunately the quality of the translation currently is - er - unsatisfactory. And since all help and documentation always refers to the English interface, I always have to guess, how that might have translated to German. And no, a "light style" is not a "light in the sense of not heavy/strong" one, as it is translated in German, but a "light in the sense of not dark" one. 
I don't want to be forced to change my Browser default language selection just because "some" websites use sloppy AI to translate the content. In that case I'd rather stick to the English one.
Oh St. Peter! Please be mercy!