[Scribus] Ligatures and "Expert Fonts" again

[Robert Memering]

Hello all,

I searched the archives and did not find much, so if I am
reposting or missed something please inform me. 

My question:

Is there any way (in 1.3.x) to deal with ligatures and other
features of "Expert Fonts" like oldstyle numerals in a more
convenient way than putting in special characters by hand?

I have OpenType fonts (with all subsets included) and the
scattered Postscript versions of my font.

Thanks for any answers or useful links.
Robert