# Vercel — What's new in Svelte 5

- Company: Vercel (vercel.com)
- Announced: 2024-10-23T13:00:00+00:00
- Category: not stated
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://vercel.com/blog/whats-new-in-svelte-5
- Record: https://forck.live/items/20931-what-s-new-in-svelte-5
- Subject: v0 / AI SDK / AI Gateway

Svelte 5 introduces runes for universal reactivity, snippets for reusable markup, and compiler improvements. Runes like $state, $derived, and $effect provide explicit control over application state. Components are now plain JavaScript functions, and native TypeScript support is included.

## Evidence

Verbatim from https://vercel.com/blog/whats-new-in-svelte-5:

> Svelte 5 introduces runes to manage reactivity. These symbols give you explicit control over application state.

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Record: https://forck.live/items/20931-what-s-new-in-svelte-5
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