[bfu]

Some time ago in gamedev subredit someone asked for font with ligatures, I made minimal working sfd file (internal format of fontforge) from which you can generate ttf font:

https://www.reddit.com/r/gamedev/comments/6nrpvf/how_would_i...

the sfd is at the bottom of the thread (in the middle of thread is how to make custom ligatures). But I agree that FontForge is horrendous (and that comes from someone who made moderately sucessfull (50k downloads) font with it)