Bridge Signal Forms and Reactive Forms in Angular 21.2

W hat if you could start using Angular Signal Forms inside an existing Reactive Form without rewriting the entire thing? Well, in Angular 21.2-next , you can! The new SignalFormControl class acts as a compatibility bridge, letting you mix signal-backed fields into a traditional FormGroup while keeping your existing form structure intact. This post walks through how it works, how to add it to an existing form, and what changes in the template. This approach allows Angular developers to use SignalFormControl for Reactive Forms compatibility without a full migration. Current Angular Reactive Form Example (Baseline Setup) In this example, we'll work with a profile form built entirely with the Reactive Forms module. The form has three sections: Account Information, Shipping Address, and Preferences: Interacting with the controls in this form updates the debug panel in real time: As soon as everything required is filled in, the form becomes valid and the submit button enables: This is a stan