Shen's Ult? Nerfed or bugged?

I know in the past that I could use Shen's Ult on my allies' Icons, but now I can't.

Does anyone know if that it is because of the HUD update and it's a bug or did Riot Nerf Shen by stopping the ability to Ult on an allies' Icon? & I just didn't hear about the Nerf.