Why the UI cannot show more than two custom playlist?

I’ve created several smart playlist but the left sidebar show only two, why? I have to enter the “My Playlists” topic to have all of them listed but never in the sidebar

Is it a bug?

By the way sad to tell but Audirvana UI is a real pain, no clear logic, convoluted, poor drag 'n drop support, cannot freely reorder left bar, and storm of clicks to do things, they should take some consultancy by some UI/UX expert to fix it.