I don't know if it has anything to do with the surgery or not, but within a few days of our getting home he started wanting to sample a lot of new foods. He's mostly interested in ones that he can hold and feed to himself. And he's not so interested in swallowing anything yet, but he clearly enjoys biting and chewing and trying out new tastes.
At our neighborhood playground:
In our house, playing on the floor and eating a pretzel:
Chewing on a red pepper: