Svelte 5 introduced runes which uses Signals under the hood. While Signals are very cool and unlock a ton of composability possibilities they have their own gotchas... let's explore them while creating a reactive signal based system from scratch to really understand them from the base!

Want to level up your Svelte skills? In this talk, we’ll explore how to build a custom file upload component in Svelte with real-time progress updates. We’ll integrate it with Cloudflare R2 for scalable and cost-effective object storage. Whether you're new to Svelte or a seasoned developer, you’ll walk away with practical insights on handling file uploads smoothly in modern web apps.