my wife teaches the bassoon and I wanted to transpose some music for here little pupils.
Dorico has got one “Fagottino” (mini bassoon) in the instrument list, which transposes up a fifth. This is also called a “Quintfagott” (quint bassoon) in German.
But there is als a “Quartfagott” (quart bassoon), which transposes up a fourth. Perhaps this could be added to Dorico as well.
Here is some further information from a German publisher (in English):