Words, and Microphone
In Irish and Dutch, there is no "Words" page or question where you use your microphone. Why is this? They say you can learn Irish. Well, it should be built the same way they did Italian and Spanish.
The courses written by volunteers that came from the Incubator (which includes Irish and Dutch) use different infrastructure than the Duolingo-staff-created courses (which includes Italian and Spanish). The courses that use the Incubator infrastructure don’t have several features that the courses that use the “internal” infrastructure do.