ok: safe to upgrade
0 breaking changes5 key points
Svelte 5.0.0 brings faster performance, runes, snippets, event attributes and native TypeScript support.
key points
- note[1]: Runes give a more granular reactivity system.release-notes:6
- note[2]: Snippets and event attributes make templates more expressive.release-notes:7
- note[3]: TypeScript support is now native.release-notes:8
- note[4]: Performance is better than in previous versions.release-notes:5
- note[5]: The previous syntax is still supported for backwards compatibility.release-notes:9
release-notesgithub.com/sveltejs/svelte · 11 lines
- A new major version of Svelte has been released! 🎉
- The new version brings:
- - even better performance,
- - a more granular reactivity system with runes,
- - more expressive template syntax with snippets and event attributes,
- - native TypeScript support,
- - and backwards compatibility with the previous syntax!
- For more details check out the [Svelte docs](https://svelte-omnisite.vercel.app/) and the [migration guide](https://svelte-omnisite.vercel.app/docs/svelte/v5-migration-guide).