Let me put a picture in the mix, should help with the explanation...
Now, what I'm asking about is that thing in the yellow circle. r-flap, r-wing, whatever... Since it does seem that Scuderia's front wing designers are truly inspired by Newey (red-circled small wing at the top of cascade, ice-blue-circled edges of main flaps and all the rest of things that, unlike these two, were on F2012 and F138 up until yesterday), it boggles me - why they don't add that r-wing/flap? It doesn't seem too hard to integrate with the rest of the wing, so the only explanation I could come up with, 'bout a year now, is that they are trying to keep the flow around (and even more inside) those front wing pillars as clean as possible and that adding that little piece of carbon would disrupt it.
What I'm asking now, seeing as those two wings start to look more and more unified (though Newey curved all the edges now like on the diffuser, Fry and Tombazis are yet to do that), why does that yellow-circled r-wing/flap seems to be the only thing missing? Is it because F138 doesn't need it since it has pull-rod front suspension and the airflow around it is quite well without it? Or is it because it would disrupt the airflow around pillars and consequently - inside them?