The crowd in Miami are working on a new racing class to introduce especially youth to higher performance racing. Similar to the RS:Convertible NP proposed a couple of years ago.

USA Foil and Fin Windsurfing Sport Class
Foil under 18 mph wind, fin over 18
Board limit to 91cm width (same as PWA)
Fin 60cm max
Sail 7.8 sq. m. max
Open to any manufacturer or custom builder.

spotted here: https://www.instagram.com/p/BxsO-CdH256/
Edit: The board pictured is an updated version of mine.