Angular Signal Forms: The New formRoot Directive Explained
February 19, 2026Form submission in Angular Signal Forms has always required a bit of manual wiring: a submit handler, preventDefault, and an explicit call to submit(). It works, but it doesn't feel fully Angular. Starting in Angular 21.2-next.3, the new formRoot directive changes that. It makes form submission completely declarative, moves submission logic into the form itself, and eliminates the remaining boilerplate. This post walks through exactly how it works and how to migrate an existing Signal Form in about 60 seconds.