Rich Harris, creator of Svelte and Rollup, presents an exploration of reactive systems and the benefits of using fine-grained reactivity with compilers, demonstrating how this approach can simplify application development by giving developers "remote control" over their code's performance and behavior.

The InteractiveCursor is a Svelte 5 component that provides a customizable, interactive cursor effect. It dynamically changes its position and size based on user interactions within specified trigger areas.

Build a SvelteKit guestbook app from scratch, and take it all the way to a live deployment on Cloudflare Workers, using Drizzle ORM and Cloudflare D1 for the database.

📧 Render emails in Svelte effortlessly with first-class tailwind support

In this episode, Stanislav Khromov joins the Svelte Radio team to discuss his work on Svelte Bench, a benchmarking tool that scientifically measures how well different LLMs understand and write Svelte 5 code. The conversation explores the challenges of AI-assisted coding with Svelte 5, the development of the official Svelte MCP (Model Context Protocol) that provides LLMs with documentation and auto-fixing capabilities, and the surprising performance differences between major AI providers. Stanislav also shares insights on working with AI tools, the future of local models, and the economics of AI coding assistants.

How to use React libraries in Svelte.

- Tessle Spec Registry, a collection of documentation designed for agents to improve their coding. - Experience building a level editor for a music game, "Oso's Galactic Groove," using SvelteKit. - Brief introduction to Fly.io as an alternative to AWS for deploying applications, particularly those involving websockets.

- Ultra-low latency SvelteKit: Scott Phillips - SvelteKit on Cloudflare: Connor Adams

Discussion on AI and Svelte 5, co-hosted by Snanislav (Cororumov), a Svelte ambassador. The episode covers updates in the Svelte changelog, including improvements to the reactivity graph, SSR (Server-Side Rendering), and various bug fixes.

- Svelte, svelte everywhere: Paolo Ricciuti - Testing your Svelte app in an actual browser: Willow/Scott

A Q&A session with Svelte maintainers focusing on community contributions, Svelte’s reactive primitives, and the division between framework and ecosystem. Discussion of SvelteKit’s potential future directions, using Svelte with other server frameworks, and AI, ethical considerations, and community-driven development.

Local-first and alternatives to GDPR popup, Andrey Sitnik — Svelte Summit Spring 2025

Svelte London — April 2025 meetup, a session featuring multiple talks and sponsor introductions. Building cross-platform browser extensions with Svelte (tools: WXT, Plasmo, CRXJS; manifest V2/V3) and Kyoko, a browser-based CAD using Rust, WebGPU, and Svelte for code-driven 3D generation.

- Andrio discusses building a full-stack SvelteKit app using SST (Serverless Stack). - Willow's talk focuses on debunking myths about the Svelte ecosystem, particularly the notion that Svelte has a smaller ecosystem compared to other frameworks.

- Paolo Ricciuti: Surprise! Svelte Secretly Sending Signals - Confidence Okoghenun: Building a Custom File Upload Component in Svelte with R2

Updates and features in Svelte and SvelteKit, including bug fixes and new functionalities. The episode also features a showcase of a project that integrates Svelte with Go, demonstrating how to build and deploy a full-stack application using Svelte for the frontend and Go for the backend.

Heavy lean in on AI for this one - Rowan Aldean: Using AI to launch our pure svelte blog in 10 minutes ✨ - Scott Spence: Bridging the Gap: Using MCP Tools to Stay Current with Svelte 5

In this episode we sit down with Scott Tolinski — cohost of Syntax.fm — to talk about Svelte 5 and local first development.

Local First is about writing software that feels native. In this talk, I'll share real code to cover the spectrum of types of Local First apps built with Svelte 5 and Svelte Kit. After listening to this talk, attendees will understand both the landscape as well as the technical approaches to writing software that is incredibly fast, works offline and feels like a native app.

Changelog for Svelte and React's 'You Might Not Need an Effect' discussed in the context of Svelte..

Two talks at a Svelte London event. First talk: asynchronous JavaScript concepts and the Shipdog Svelte library for task management. Second talk: SEO strategies for Svelte applications including meta tags, schema markup, and AI impact on search optimization.

Latest updates and changes in Svelte 5. The episode discusses the migration process to Svelte 5, including the use of a migration script that automates much of the conversion process.

00:00:00 Standby screen 00:15:00 INTRO 00:18:00 Behavioral Testing with SvelteKit, by David hunt 00:28:00 BREAK 00:30:30 (Headless) WordPress Shortcodes as Svelte Components, by Elron 00:37:30 BREAK 00:39:30 Marking Country: a scrollytelling saga, by Tabs 00:49:30 BREAK 00:52:00 Demystifying Client & Server Rendering in SvelteKit, by Henry Lie 01:17:20 BREAK 01:19:30 Elevating the DX of using Storybook for Svelte, by Mateusz Kadlubowski 01:32:30 BREAK 01:35:00 Slide... (to the left) – Presentations with SvelteKit & PartyKit, by James Camilleri 02:07:00 BREAK 02:09:30 Lessons Learned from Building a Mobile App with Tauri and SvelteKit, by Thilo Maier 02:19:00 BREAK 02:21:00 Local First Svelte, by Scott Tolinski 02:46:00 BREAK 02:49:00 Building a minimum viable rich text editor with Svelte 5, by Michael Aufreiter 03:00:00 BIG BREAK 03:15:00 Introducing something new..., by Ben McCann 03:26:00 BREAK 03:30:00 And one more thing..., by Rich Harris 03:45:00 Hackathon

A browser-based virtual studio for event management platforms using WebRTC, LiveKit, Twilio Sync, and Mux. The joy of side projects through various Svelte and SvelteKit applications including a visual calendar app called "Radical."

00:01:30 Changelog 00:26:15 Indeterminate checkbox 00:44:15 Classes and actions

Taking inspiration from life, I talk about dates. After I recently celbrated my 15th wedding anniversary, I decided to show a hidden part of my website and how I have refactored it in Svelte 5.

In this talk Sasan walks us through different schema validators and their differences. He also shows some example validation with Zod in SvelteKit form actions.

00:01:55 Changelog 00:40:00 Context API 00:58:00 JSX and Single FIle Components

00:01:40 Changelog 00:24:00 svelte-fsm 00:48:00 Trailing slash 01:04:40 script context=module

02:00 Changelog 21:30 Why $props instead of $prop 35:00 You might not need $state