My semi-sweet chocolate chips taste different. Did Nestle change their recipe?

There is no information indicating that Nestlé has changed the recipe of their semi-sweet chocolate chips. If you notice a difference in taste, it could be due to several other factors, such as changes in your own taste buds or variations in the manufacturing process. To accurately determine if there has been a change in the recipe, you may want to contact Nestlé's customer service department for clarification.