Surprise! Svelte Secretly Sending Signals

Svelte 5 introduces a fresh way to handle reactivity called Runes, built on a powerful concept known as Signals. Paolo Ricciuti from Mainmatter breaks down this new paradigm and reveals what Signals really are under the hood.

In this talk, you’ll learn how to build a simple reactivity system using signals, understand why they matter, and discover common pitfalls to watch out for. Whether you’re a Svelte beginner or looking to deepen your expertise, this session will help you master the core of Svelte’s new reactive model.