Hello DEV community! 👋 If you're a frontend developer, you've probably noticed how quickly trends are changing. Just yesterday, we were arguing about what's better - React or Vue, and today more and more developers are choosing alternative paths. In my previous article, I talked about how I created my own graphic editor, and mentioned that "under the hood" it uses the latest Svelte.

Today, I want to take a deep look at the Svelte 5 ecosystem . We'll figure out what's changed, where the old compiler "magic" has gone, what runes (Runes) are, and most importantly, why you should switch to this framework right now. Let's go. 🚀

Why is the Svelte 5 ecosystem the new standard?

For a long time, Svelte 4 was my favorite. It compiled code into vanilla JavaScript, didn't have a virtual DOM, and worked extremely fast. But it had its own "childhood diseases".

Reactivity was based on the let keyword and reactive blocks $: .…