No, all of them are not converted. Only the ones in Bold have been converted. All the rest need to be converted!
EDIT: I've updated my list with download links from MEGA which have national stadiums from each of the 6 FIFA Confederations that have been and need to be converted for this patch!
EDIT: I've updated my list with download links from MEGA which have national stadiums from each of the 6 FIFA Confederations that have been and need to be converted for this patch!