Additional ? you mean the "new" ones added in 1.5 (from River/Kerry/Panam/Judy) ?
Yeah im still waiting for a few more from judy and panam, Alledgely Judys nana texts again as well
I'm not here yet, so I don't know how many there are 
(And I don't really want to be spoiled, so I'll see that by myself^^)
(And I don't really want to be spoiled, so I'll see that by myself^^)