Yes, this much is clear, this is only in the development release. 9.2 has got none of this.
Yes, I can no longer figure it out either. I have once figured it out for MacOS, see this post:
I don’t know if this is supposed to still work; I no longer remember what I did to get these names specifically; and when I try it I see the following warning when I start:
$ swipl-win
Fontconfig warning: using without calling FcInit()