Triangle broken? - 33beta8.1 Vs. 33beta11.1

it’s seems to me that triangle is no more working corectly in 33beta11.1.

why?

is there a workaround or is it a bug?

see attached pictures for the proof :)

Triangle.v4p (8.7 kB)
Triangle_vvvv_33beta8.1.jpg (69.5 kB)
Triangle_vvvv_33beta11.1.jpg (71.9 kB)