Baby’s poop changing consistencies already at 9 days old?

It was of course the black meconium at first, then the greenish/seedy transition to breastfed baby poop, then kind of thick seedy yellow, and now it’s really runny. Like she just pooped and I didn’t even hear it bc it was so runny. Is this normal? I thought it was supposed to stay the seedy yellow? It’s still a lil seedy but not like it was.