Svelte blog
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News and information about the magical disappearing UI framework
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What’s new in Svelte: August 2026
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1 Aug 2026
The biggest news this month is the first `@next` releases of SvelteKit 3. Thirteen preview versions shipped in July: previewing new `$app/manifest` and `$app/service-worker` modules, improved API
What’s new in Svelte: July 2026
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1 Jul 2026
This month brought a real shift in how SvelteKit projects are configured. You can now define your SvelteKit config directly inside `vite.config.js` and skip `svelte.config.js` entirely. We also got
What’s new in Svelte: June 2026
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1 Jun 2026
This month we got a bunch of improvements in SvelteKit's forms and remote functions. Plus, a new query function (`.live(...)`) that makes accessing real-time data from the server easier. Keep an eye
What’s new in Svelte: May 2026
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1 May 2026
This month we got a ton of improvements to SvelteKit's remote functions, TypeScript 6.0 support and the experimental release of community plugins in the Svelte CLI. Svelte was also [featured in
What’s new in Svelte: April 2026
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1 Apr 2026
This month, a new [best practices guide](https://svelte.dev/docs/svelte/best-practices) was added to the Svelte docs. Check it out, if you haven't already! On the code side, the Svelte MCP got even
What’s new in Svelte: March 2026
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1 Mar 2026
This month, we got a ton of new features across Svelte, SvelteKit and even the Svelte CLI. Plus, the [State of JS 2025](https://2025.stateofjs.com/en-US) is out and Svelte continues to hold the top
What’s new in Svelte: February 2026
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1 Feb 2026
This month brings a few new features to Svelte and SvelteKit and quite a few new libraries from around the community. Also, in case you missed it last month, the Svelte maintainers released patches
CVEs affecting the Svelte ecosystem
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15 Jan 2026
We’ve released patches for 5 vulnerabilities across `devalue`, `svelte`, `@sveltejs/kit`, and `@sveltejs/adapter-node`. Here’s what you need to know: ## Upgrade now[](#Upgrade-now) If you’re
What’s new in Svelte: January 2026
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1 Jan 2026
During the December holiday season, the Svelte team shared 24 days of Svelte knowledge, tips, and insights to unwrap in 2025's [Advent of Svelte](https://advent.sveltesociety.dev/2025). Learn more
Advent of Svelte is back
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1 Dec 2025
It's Advent of Svelte time! This year, we're doing something different: every day between now and Christmas, a new door will be unlocked on
What’s new in Svelte: December 2025
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1 Dec 2025
Just in time for the end of the year, there's a new [Svelte Society Website](https://sveltesociety.dev/)! It brings a whole new experience. Instead of just being a site with static resources, it now
What’s new in Svelte: November 2025
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1 Nov 2025
The official Svelte MCP server (for all your agentic needs) is now available with its own [section of the docs site](https://svelte.dev/docs/ai/overview) and [GitHub
What’s new in Svelte: October 2025
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1 Oct 2025
There were lots of improvements to remote functions this month - including new batching tools and improved performance via lazy discovery. For more info, check out the Docs and PR links in each
What’s new in Svelte: September 2025
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1 Sep 2025
In case you missed it, the main Svelte blog covered how to use [SvelteKit's new OpenTelemetry traces](https://svelte.dev/blog/sveltekit-integrated-observability) to reliably set up observability
Introducing integrated observability in SvelteKit
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18 Aug 2025
Understanding how your SvelteKit application behaves in production — from request flows to performance bottlenecks — is crucial for building reliable user experiences. SvelteKit now has
What’s new in Svelte: August 2025
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1 Aug 2025
With [Async Svelte](https://github.com/sveltejs/svelte/discussions/15845) and its companion [Remote Functions](https://github.com/sveltejs/kit/discussions/13897) officially out in the world, there's
What’s new in Svelte: July 2025
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1 Jul 2025
Whether you're trying out Vite 7, vitest browser mode or [remote functions](https://github.com/sveltejs/kit/discussions/13897), there's lots of experimental features to try this month. Want some
What’s new in Svelte: June 2025
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1 Jun 2025
In addition to advancing the work on Async Svelte, the maintainers have been hard at work introducing long requested features like Attachments. This month, we'll share a bit about the new API along
Bringing Svelte Summit to the whole community
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21 May 2025
This month's [Svelte Summit](https://www.sveltesummit.com/) in Barcelona was a glorious celebration of the community. We had lively conversations, delightful dinners, and funny, imaginative and
What’s new in Svelte: May 2025
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1 May 2025
Only a week until [Svelte Summit Spring 2025](https://www.sveltesummit.com/)! If you can't make it in-person to Barcelona, you can purchase a virtual ticket
What’s new in Svelte: April 2025
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1 Apr 2025
With a couple minor releases of SvelteKit in the last month and a few more from Svelte itself, there's a lot to be excited about this month. From new helper functions to new configuration options,
What’s new in Svelte: March 2025
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1 Mar 2025
[SvelteHack 2024](https://hack.sveltesociety.dev/2024) has ended and the winners were announced on February 9th. Congrats to all the [winners](https://hack.sveltesociety.dev/2024/winners) who you'll
What’s new in Svelte: February 2025
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1 Feb 2025
The Svelte developer experience got a huge upgrade this month with more exported types and better syntax highlighting in VS Code. Combine that with the huge releases from Storybook, Tailwind and
What’s new in Svelte: January 2025
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1 Jan 2025
From new syntax to improved dev tooling, the Svelte team has been busy this month building new features in both Svelte and SvelteKit. And as we round the corner into the new year, there's even more
What’s new in Svelte: December 2024
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1 Dec 2024
I can't believe it's already the last newsletter of the year! So much has happened in the Svelte community - from two great Svelte Summits to the release Svelte 5 🎉 As we look forward to the next
Advent of Svelte
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1 Dec 2024
Last December, [Svelte Society](https://bsky.app/profile/sveltesociety.dev) presented an advent calendar's worth of [festive Svelte-themed code challenges](https://advent.sveltesociety.dev/). This
What’s new in Svelte: November 2024
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1 Nov 2024
In case you missed the [announcement post](/blog/svelte-5-is-alive), the brand new [omnisite](/blog/the-omnisite) or the maintainers [shipping it LIVE during Svelte
Introducing the new Svelte CLI
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24 Oct 2024
We’ve just released [sv](https://npmjs.com/package/sv), a new Command Line Interface (CLI) for creating, enhancing, and upgrading Svelte projects. One of the most common question we hear is "how
Svelte 5 is alive
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22 Oct 2024
After almost 18 months of development, comprising thousands of commits from dozens of contributors, Svelte 5 is finally stable. It’s the most significant release in the project’s history. Svelte
The Omnisite
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21 Oct 2024
Launching [Svelte 5](svelte-5-is-alive) and [the brand new `sv` CLI](https://www.youtube.com/watch?v=fAPFsRP-mbc#t=3h15m40s) wasn't enough: we've also released a brand new website. You're looking at
What’s new in Svelte: October 2024
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1 Oct 2024
It's October! Which can only mean one thing... [Svelte Summit Fall](https://www.sveltesummit.com/2024/fall) is only 19 days away! Stay up to date with the latest Svelte Summit news by [subscribing to
What’s new in Svelte: September 2024
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1 Sep 2024
A bunch of updates to Svelte dropped in the last few weeks, plus a few quality of life improvements in the Svelte language tools. Let's take a look... ## What's new in Svelte and Language
What’s new in Svelte: August 2024
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1 Aug 2024
The ramp up to the Svelte 5 release has led to a bunch of huge improvements to both performance and customizability. Also in this month's round-up: some minor SvelteKit updates and a return of the
What’s new in Svelte: July 2024
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1 Jul 2024
This month, we got a bunch of new features in the Svelte 5 release candidate, Rich Harris [explained to Prismic's CEO](https://www.youtube.com/live/uWLTDUjNrhQ) how Svelte optimizes for vibes and
What’s new in Svelte: June 2024
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1 Jun 2024
The maintainers have been hard at work getting the [Svelte 5 Release Candidate](/blog/svelte-5-release-candidate) ready for release. In this month's newsletter, you'll find highlights from the
What’s new in Svelte: May 2024
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1 May 2024
Svelte Summit was last week - featuring a number of fantastic talks from across the community. In the final talk, What You Can Do For Your Framework, Rich Harris (with a little help from PuruVJ's
Svelte 5 Release Candidate
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30 Apr 2024
Svelte 5 is now in the Release Candidate phase. This means that the design of the framework is largely settled, with no anticipated breaking changes between now and the stable release, and that the
What’s new in Svelte: April 2024
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1 Apr 2024
Spring is just around the corner (for half the globe at least), which means [Svelte Summit Spring](https://www.sveltesummit.com/) is coming soon! The event will be streamed on [the Svelte Society
What’s new in Svelte: March 2024
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1 Mar 2024
This month, the Svelte maintainers made a ton of progress on Svelte 5 and Rich Harris talked to Prismic about how the team is working on making the framework even better. Lots to showcase too... so
What’s new in Svelte: February 2024
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1 Feb 2024
Since SvelteKit 2.0 released late last year, there's been a bunch of new features to make the Kit dev experience even better! Meanwhile the Svelte team has been hard at work making Svelte 5 a
What’s new in Svelte: January 2024
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1 Jan 2024
Happy New Year! It's been a busy month for the Svelte maintainers - with tons of new features dropping in the Svelte 5 preview and the [release of SvelteKit 2](/blog/sveltekit-2)! You can find all
Announcing SvelteKit 2
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14 Dec 2023
Version 2.0 of [SvelteKit](https://kit.svelte.dev), the official framework for building apps with Svelte, is now available. It is an incremental release that adds support for the newly-released [Vite

What’s new in Svelte: December 2023
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1 Dec 2023
Svelte Summit Fall 2023 was epic! Featuring talks from across the ecosystem and the launches from the core team of new Svelte Dev Tools, image optimization, and a preview version of Svelte 5.0! The
What’s new in Svelte: November 2023
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1 Nov 2023
Mark your calendars! [Svelte Summit Fall](https://www.sveltesummit.com/2023/fall) is on November 11th. Join us on [YouTube](https://www.youtube.com/@SvelteSociety/streams) and in the [Discord](/chat)
Hacktoberfest 2023 with SvelteKit
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1 Oct 2023
## Sveltekit 🧡 Hacktoberfest[](#Sveltekit-Hacktoberfest) We're excited to announce SvelteKit's participation in this year's Hacktoberfest! Hacktoberfest is a global event that takes place every
What’s new in Svelte: October 2023
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1 Oct 2023
Svelte 5 isn't out yet (you can, however, [preview it now](https://svelte-5-preview.vercel.app/)), but that doesn't mean we don't get a sneak peek! Most notably are [Runes](/blog/runes) - a simpler
Introducing runes
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20 Sep 2023
In 2019, Svelte 3 turned JavaScript into a [reactive language](/blog/svelte-3-rethinking-reactivity). Svelte is a web UI framework that uses a compiler to turn declarative component code like this...
What’s new in Svelte: September 2023
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1 Sep 2023
Happy September y'all! With all the [sneak peeks at what's coming soon in Svelte 5](https://twitter.com/Rich_Harris/status/1688581184018583558), we thought it'd be best to look back at the last month