What’s new in Svelte: August 2025

Async Svelte is out - with all the fixins

With Async Svelte officially out in the world and its companion Remote Functions already ligned up, there’s a lot of updates to share!

Be sure to check out the showcase for videos from X, Y and Z about all the brand new features in Svelte.

Let’s dive into the highlights...

What’s new in Svelte, SvelteKit, Language Tools and CLI (sv)

getAbortSignal returns an AbortSignal that aborts when the current derived or effect re-runs or is destroyed (svelte@5.35.0, Docs, #16266)
A new parent property has been added to the __svelte_meta properties that are added to elements at dev time - useful for debugging nested hierarchies (svelte@5.35.1, #16255)
await is now supported in components when using the experimental.async compiler option (svelte@5.36.0/extensions@109.10.0, Docs, #15844)
There are now types for the params prop and page attributes in page/layout components (kit@2.24.0, kit@2.26.0 & extensions@109.10.0, #13999 / #13864)
SvelteKit’s read now works in edge environments where fs.readFile isn’t available such as in Cloudflare’s workers, Netlify, and Vercel’s edge functions (kit@2.25.0, #13859)
The resolve(...) and asset(...) helpers have been added for resolving paths (kit@2.26.0, #13864)
Support for modern SvelteKit prop typings has been added to VS Code snippets (extensions-109.10.0, #2796)
The new vite.addPlugin simplifies adding a plugin on various vite config styles (sv@0.8.20, #633)

For a full list of bug fixes in Svelte, SvelteKit and its adapters, check out their CHANGELOGs here and here.

Logitech’s new site is built in Svelte 🎉
hend.world is a language learning application that surrounds you with comprehensible input: compelling stories, articles, and videos that match your level
Amgiflol is a Figma-like Layout Inspector For Web
Formcord is a Google Forms alternative built specifically for Discord communities
Freq is a community-based social media platform for groups of music listeners to share, talk about, and enjoy music together
Salora is a salon booking application (de)
Animal Well Shrine is an low-spoiler egg tracker for the video game, Animal Well
TypingGym is a typing practice site with automatic difficulty adjustment

Featuring Svelte Contributors and Ambassadors

promise.then(...) by Rich Harris - what’s next now that Svelte is Async
Asynchronous Svelte with Rich Harris by CodeTV (Jason Lengstorf)
Remote Functions are coming to SvelteKit - and they are amazing! by Code with Stanislav
Svelte London - June 2025 feat. “Svelte, svelte everywhere” by Paolo Ricciuti and “Testing your Svelte app in an actual browser” by Willow / Scott

This Week in Svelte

Svienna (Svelte Society Vienna)

To Watch/Read

Svelte Interval is a comprehensive Svelte utility package for managing intervals with reactive durations, synchronization, and advanced control features
@hvniel/svelte-router is a Svelte 5 port of React Router
@hvniel/vite-plugin-svelte-inline-component lets you write tiny Svelte components straight inside your JavaScript / TypeScript tests using tagged‑template literals
wuchale is a non-invasive, normal code based compile-time internationalization (i18n) toolkit
SSGOI brings native app-like page transitions to the web
Svelte Form Builder is a modern, drag-and-drop form builder built with Svelte 5
Svelte persistent runes provides a Svelte reactive rune that keep its value through pages and reloads
gositemap is a fast, test-driven sitemap.xml generator for static SvelteKit sites

That’s it for this month! Let us know if we missed anything on Reddit or Discord.

Until next time 👋🏼!