Hi Thorsten, thanks for the detailed example. As I said, I tend to be conversative about such topics. Not because I'm already too old, but because this is often not worth the time-to-implement/complexity-in-code. So I'm still open to read a very compelling case where "tech" properties need to be hidden...
Of course, "need" is subjective -- let's say if you manage to have at least 3 friends complaining about tech properties being visible when unfolding a drawer, I'm all ears :) -- Bastien