Fifteen-month-olds walk confidently and often hold onto a second nap a while longer.
Around 2 to 3 feeds.
Yes, solids are typical now alongside milk.
Every baby is different. These are typical ranges for healthy, full-term babies, not targets. The easiest way to know your baby's normal is to track a couple of weeks and look at the pattern.
Thungu is a baby-tracking bot, not medical advice. If you're worried about feeding, weight, sleep, or development, talk to your pediatrician.