Thank you, Lazur.
I was trying to redo this:
https://www.youtube.com/watch?v=Pdfk61SWMlg and it worked out perfectly in 0.48. After installing 0.91 keeping my preferences it seems as if Inkscape 'remembers' the fill of the stroke ( Stroke to path) and when I then use the stroke I have to remember to set the stroke color and remove the fill
