{Bhide}.Svelte

Blast Radius #1: The Svelte Compiler Got 55% Faster. The Fix Was 3 Files. A developer asked Svelte about performance. Then he fixed it himself — 5 PRs in 8 days. Here's what the dependency graph reveals about his 3-file fix.

New blog series: Blast Radius

We take real open-source PRs and run them through a 3D dependency graph to show what the diff missed.

First up: the Svelte PR that made the compiler 55% faster. 3 files changed. 2,036 affected.

codelayers.ai/blog/blast-radius-svelte-compiler-performance

Introduction to SvelteKit - SvelteKit SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte

Production-ready documentation powered by Mintlify

Sveltekit
sveltejs-kit.mintlify.app

Svelte
sveltejs-svelte.mintlify.app

SvelteKit 2 now fully supports Vite 8

SvelteKit 3 will require it - giving additional optimizations and functionality. E.g. SvelteKit 3 will use @rolldown.rs hook filters to spend more compilation time in rust and less in JavaScript. And SvelteKit 3 adapters use only rolldown without esbuild

Mistral AI Worldwide Hackathon 2026: build the next era of AI 48 hours. 7 cities. Limitless innovation. Join Mistral AI’s 2026 Hackathon, build groundbreaking AI projects, and win big. Open to global innovators—register today and shape the future of AI!

Mistral AI World wide page is built on Svelte too
worldwide-hackathon.mistral.ai

Example Usage

New Dither Shader Component build using Svelte 5

Live Preview: sv-animations.vercel.app/magic/docs/c...

Install via shadcn-svelte CLI

New in Svelte: Comments inside component/element tags!

LayerChart Composable Svelte chart components to build a large variety of visualizations

New LayerChart docs 🎉

next.layerchart.com

Massive overhaul including over 700 isolated examples with browsing / cross referencing / StackBlitz editing, AI friendly (llms.txt), component API docs, guides, improved search, showcase, improved design, and more!

Details👇

Just rebuilt my animation project for Svelte 5 ✨

• 50+ ready-to-use animation components
• Open source & free
• Built with motion-sv
• Install via Shadcn Svelte CLI
• More components coming soon

Live: sv-animations.vercel.app
GitHub: github.com/SikandarJODD...

Feedback welcome 🙂

chore: enter pre-release mode for SvelteKit 3 by benmccann · Pull Request #15302 · sveltejs/kit

Starting to merge PRs for SvelteKit 3!

A long road ahead, but excited to get started!

github.com/sveltejs/kit...

Animotion Animotion is a presentational framework for creating beautiful slides and visualizing ideas with code.

Animotion update 🪄

- Added API for code scrolling
- Added LLM-friendly documentation
- Added agent skill to the template
- Added various fixes and improvements

animotion.pages.dev

is it good with svelte 5 ?
or does we have skills md ? to provide svelte 5 content ??

New updates in Svelte Form Builder

• Save Forms locally
• 7 New templates : signup, login, contact, and more
• Easily add, edit, or remove options for radio, select, and combo box fields.

Try it live: svelte-form-builder.vercel.app/v2

Svelte Form Builder A powerful form builder for Svelte with Zod and Valibot validation. Create validated forms effortlessly in SvelteKit.

Major Update: Svelt Form Builder

1. 6 New Form Templates
2. Save & load forms locally - pick up exactly where you left off
3. Share forms via a link
4. Import forms using JSON
5. Refined AI prompt → instant form JSON

Live: svelte-form-builder.vercel.app/v2

Working on a new version of Svelte Form Builder

What’s new:
• Generates Svelte Remote Function code
• New layout with fields, editor, preview
• Works with Valibot, Zod, and ArkType

Preview: svelte-form-builder.vercel.app/v2
Still in alpha - early stage, feedback welcome!

Just shipped an update to Svelte Form Builder 🚀

• Added ArkType as a new validation option
• Migrated validation from Zod v3 → Zod v4
• Improved code generation and installation flow
• Updated dependencies and added analytics

Try it out in the playground: svelte-form-builder.vercel.app/playground

New Message - Svelte AI Elements Enhanced message component with branching, attachments, actions, and markdown rendering for AI chat interfaces in Svelte 5.

Checkout : svelte-ai-elements.vercel.app/components/n...

New Message - Svelte AI Elements Enhanced message component with branching, attachments, actions, and markdown rendering for AI chat interfaces in Svelte 5.

New Message Component - Svelte AI Elements

Features:
1. Actions: like, dislike, regenerate, copy
2. Attachments: file uploads and file previews
3. Branching: message branching support
4. Response: streamed markdown rendering

Inspired from @vercel.com AI Elements

Thanks! Docs are in the plan, still figuring out the best format. If you have ideas on what you'd like to see, let me know.

Svelte Prompt Kit

Update on Svelte Prompt Kit

Added 3 New AI components
1. Feedback bar
2. Thinking bar
3. Text Shimmer bar

Checkout: svelte-ai-elements.vercel.app/prompt-kit
Inspired from @ibelick.bsky.social prompt-kit

Added 2 New Primitives : Svelte Prompt Kit

1. Simple Chat App
2. Tool Calling with Vercel AI SDK + OpenRouter

Tip: If you hit rate limits, switch to an OpenRouter key (I’m testing with the FREE z-ai/glm model).

Live : svelte-ai-elements.vercel.app/prompt-kit/p...

Fine-grained everything <p>Modern frameworks like Svelte are fast thanks to signal‑based fine‑grained reactivity, but performance is more than 60fps. This talk covers new approaches to build fast, reliable, data‑efficient ap...

A couple of weeks ago at @perfnow.nl I gave a talk called "Fine-grained everything". It's about @svelte.dev (obviously), and the new frontiers of framework-land, but it's also about some stubborn misconceptions in web performance circles

Gift link: conffab.com/presentation...

New Chain of Thought component - Svelte Promptkit

Visualize step-by-step reasoning in your AI apps.

Preview : svelte-ai-elements.vercel.app/prompt-kit/c...

SvelteKit 3 / Vite 8 will be built on rolldown. You can use it now if you're adventurous!

If you're not using the new remote functions, it largely works without issue and is much faster.

We'd love help in discovering any bugs that haven't been unearthed yet! Post them at github.com/vitejs/rolld...

New Update: Svelte AI Elements

Install via shadcn-svelte CLI or jsrepo
Easy integration with Vercel AI SDK

Preview : svelte-ai-elements.vercel.app/components/c...

You can check out Svelte Bench
Claude models works great with Svelte 5
Visit : khromov.github.io/svelte-bench...

New Playground on Svelte AI Elements

Live Preview: svelte-ai-elements.vercel.app/playground

A simple demo showcasing a basic Chat AI app built with SvelteKit + Vercel AI SDK - featuring real-time data streaming using `streamText`

New Features in Svelte AI Elements

- Copy Markdown
- Open In AI + GitHub
- 8 new UI Blocks ( prompt-kit )
- Install via shadcn-svelte registry
- New: Chain of Thought component ( prompt-kit )

Checkout : svelte-ai-elements.vercel.app

Svelte AI Elements Explore a variety of AI-powered components and features designed to enhance user interactions and streamline workflows.

hey can you check once again : svelte-ai-elements.vercel.app

Svelte Prompt kit

Ported Prompt Kit to Svelte AI Elements

14 new AI components like tool, source, reasoning, system message, and more.

Add components using shadcn-svelte registry Docs : svelte-ai-elements.vercel.app/prompt-kit/p...