Yes, It's a bug though, not a ninja nerf. Although I find it strange how they manged to glitch this when the patch was changing Thermals/Infa and Libs....
did any1 notice that flash grenades give assist XP now? threw a flsh grenade into a enemy sunderer because i thought i had the smokes on me and once i blew the sundy up (quite easy if every1 is blind ^^) i got frekkton of XP afterwards from the leftovers beeing killed by my teammates.