# Day 1: Complex State, Immutable Updates, Forms

- [Complex Objects in State](/seifxr10anz-content/week-20/day-1-complex-state-immutable-updates-forms/complex-objects-in-state.md)
- [Forms](/seifxr10anz-content/week-20/day-1-complex-state-immutable-updates-forms/forms.md)