Rhinoceros 7 - Improvements UI... curveseam black, doesn't show up

Hi guys, please follow this video so easily you can understand the UI problem I get with command CrvSeam:

I need to pull the begining of the curve to some place i want…
So… i use CrvSeam
but where is the begining or end???
Older versions when you use CurveSeam, it show a direction arrow… with the current layer color…
Nowadays… but maybe since Rhino 6.5 or somewhere between Rhino 5 and 7 you got lost
and put the arrow on BLACK!!!
Can’t see it except if i change my backgroung…

ShowDir work as expected… well… it has a color to select on UI…

so… getting back to CrvSeam… I change with a blind color and expect it to be ok… them i use ShowDir to confirm…

Hello - that arrow follows Feedback color as set in Options > Appearance > Colors.

-Pascal