Podcast · Tech & Science

Svelte Radio

by Kevin Åberg Kultalahti · English · Tech & Science

The Svelte community podcast — conversations about building with Svelte and SvelteKit, from beginner tips to advanced patterns.

New episodes: Weekly
Typical length: 59 min
Latest: 6 Mar 2026
Language: English

Latest episode

6 Mar 2026 · 57 min

npmx shows what npmjs won't

Jeppe hosts with Brittany. Guests: Patak (Matias Capeletto, Vite core team) and Zeu Capua ( zeu.dev , software engineer, Svelte ambassador). What is npmx? A fast, open-source browser for the npm registry. It consumes the npmjs REST API and adds a better UI and more useful data on top. Started by Daniel Roe (Nuxt lead) ~40 days before recording. Patak joined as co-steward after seeing a two-day prototype. Features beyond npmjs.com ESM vs CJS detection per package Bundle size and install size Color-coded dependency freshness (yellow = patch behind, red = major behind) e18e module replacement…

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Earlier episodes 29 most recent

E90 · 10 Feb 2026 · 53 min
How did Svelte do in the State of JavaScript 2025?!
Kev and Jeppe, discuss the cold weather in Denmark and Sweden compared to Hawaii. They highlight that "Svelte Radio" has ranked number 13 (effectively number 12) in the podcast section of the State of JS 2025 survey, placing them among the "mainstream" podcasts and slightly increasing the pressure to produce relevant content. State of JS: Frameworks The hosts analyze the survey results for JavaScript frameworks: Svelte: Usage increased slightly to 27% (up from 26%). It maintains the highest interest rating for the sixth consecutive year, though interest is slightly declining—a trend seen…
E89 · 4 Feb 2026 · 41 min
The LLM Doomer Episode
Sorry about Jeppe's audio in this one, he accidentally picked the wrong microphone during recording and there's not much we can do about it :( The gang kicks back for their first episode of the new year, catching up on holidays before diving into AI and vibe coding. Kevin talks bout a gym tracking app he built almost entirely with LLMs. They cover updates to the Svelte Society website (job board, sponsorships, newsletter), debate whether Mozilla/Firefox can survive by pivoting to AI, and wrap with hot takes: Kevin warns devs to learn AI tools or risk obsolescence, Brittney shares Claude's…
E88 · 11 Dec 2025 · 1 hr 1 min
Custom Renderers for Svelte with Paolo Ricciuti
In this episode of Svelte Radio, we welcome Jeppe as a new permanent host and sit down with Paolo Ricciuti, Svelte maintainer and Senior Software Developer at Mainmatter, to dive deep into Svelte custom renderers. Paolo walks us through how custom renderers work (using React's approach with React DOM, Ink, and React Native as context), explains the technical challenges of bringing this capability to Svelte 5—including the template element trick, CSP issues, and runtime modifications—and shares his proof-of-concept work enabling Svelte to render to non-DOM targets like terminals and native…
E87 · 6 Dec 2025 · 1 hr 14 min
One Man Svelte for NGOs with Ilja
Guest Ilja - Berlin-based developer specializing in building websites and data visualizations for NGOs. Svelte Ambassador. Topics Discussed Working with NGOs vs. traditional businesses Budget constraints and project-based funding The AfroZensus project Svelte 5 migration Berlin Svelte Meetup announcement Berlin Svelte Meetup Date : December 9th (Tuesday) Venue : Datawrapper's office in Berlin Talks : Peter from XYFlow presenting SvelteFlow, plus more Registration : https://svelte-berlin.de/ Links Mentioned Tools & Libraries svelte-render-scan (Visual debugging tool by Stanislav Khromov):…
E86 · 30 Oct 2025 · 1 hr 14 min
Benchmarking AI with Stanislav Khromov
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…
E85 · 23 Oct 2025 · 1 hr 5 min
Macrodata Refinement with Ken Kunz
In this episode of Svelte Radio, Ken Kunz joins the hosts to discuss his journey with Svelte, from discovering it through Rich Harris's "Rethinking Reactivity" talk to building complex financial applications. Ken shares his experience working on Trading Strategy, a decentralized finance platform, and the challenges of implementing sophisticated charting solutions. The conversation also covers Ken's memorable Svelte Summit talk where he recreated the Macrodata Refinement interface from the TV show Severance, complete with props and staying in character throughout. The episode touches on…
E84 · 16 Oct 2025 · 42 min
Storybook is actually good now, with Jeppe Reinhold
Summary In this episode of Svelt Radio, the hosts welcome Jeppe Reinhold from Chromatic to discuss the dramatic improvements in Storybook's Svelte integration. Jeppe shares how a critical video by Brittany struggling with Storybook setup sparked a complete overhaul of the Svelte experience, leading to better collaboration with the Svelte core team and significant enhancements in functionality. The conversation covers new features like Svelte CSF for writing stories in native Svelte syntax, improved testing capabilities, support for async components, and upcoming features in Storybook 10. The…
E83 · 9 Oct 2025 · 1 hr 2 min
Remote Functions with Simon Holthausen
Summary In this episode, Simon Holthausen from the Svelte team joins to discuss remote functions and async Svelte, two experimental features that are changing how developers interact with data in SvelteKit applications. Remote functions offer a new RPC-like approach that provides better type safety, more granular data loading, and improved developer experience compared to traditional load functions and form actions. The conversation covers the technical implementation, design decisions, and future possibilities including caching, streaming, and integration with Svelte's upcoming resource…
E82 · 26 Sep 2025 · 40 min
We're putting the band back together.
Summary We're putting the band back together. Svelte Radio is officially back. This first episode is a bit of catch-up. Not a ton of Svelte chatter. Look forward to many fun and interesting episodes. Next week we talk with Simon about Remote Functions. Don't miss it! Show Notes Introducing SvelteKit Remote Functions, by Simon Holthausen SvelteKit Remote Functions tips: Auth guards, managing asynchronous, query.batch Svelte Bench Tembo Hot takes Kevin: AI generates a lot of Workslop if you're not careful. Antony: Find something common and differentiate Brittney: Cats are better than dogs.…
E81 · 20 Jan 2025 · 56 min
Timothy Cohen Talks SampleKit
Summary In this episode we sit down with Timothy Cohen and talk about his project SampleKit and Svelte 5. Sponsored by Svelte Summit Svelte Summit is an event dedicated to Svelte and everything that is happening in the community. Don't miss it! It's going to be an absolute blast. It's happening on May 8 and 9, 2025 in Barcelona Spain. Background Wes Bos & Scott Tolinski How svelte works under the hood Odin Project - https://www.theodinproject.com MOOC - CS50 Harvard X SampleKit - https://www.samplekit.dev 3 different things Preprocessor (mdsvex) melt-ui alternative to mdsvex Demos caprover…
E79 · 4 Jan 2025 · 1 hr 4 min
Rich Harris on the Svelte 5 reception
Summary In this episode we sit down with Rich Harris — creator of Svelte — and talk about the recent development of Svelte and SvelteKit. Sponsored by Svelte Summit Svelte Summit is an event dedicated to Svelte and everything that is happening in the community. Don't miss it! It's going to be an absolute blast. It's happening on May 8 and 9, 2025 in Barcelona Spain. Discussion Rich Harris introduction Svelte 5 Feedback Simon and Paolo shoutout New command line tool: npx sv migrate svelte-5 Advent of Svelte Svelte error boundaries bind: set/get Actions Async stuff Load in Kit Stores not…
E78 · 28 Dec 2024 · 43 min
Scott Tolinski on Svelte 5 Local First Development
Summary: In this episode we sit down with Scott Tolinski — cohost of Syntax.fm — to talk about Svelte 5 and local first development. Sponsored by Svelte Summit Svelte Summit is an event dedicated to Svelte and everything that is happening in the community. Don't miss it! It's going to be an absolute blast. It's happening on May 8 and 9, 2025 in Barcelona Spain. Discussion Who is Scott? Check out Syntax on YT Primeagen feud thing North Star AI Robot Building App in Svelte Brad frost design system Svelte 5 beginners course vs other frameworks Svelte 5 Local first InstantDB Zero Sync Meteor…
E77 · 19 Dec 2024 · 1 hr 42 min
Svelte at Bloomberg
Summary: In this episode we sit down with Julian Burgess to talk about what he does at Bloomberg, how he uses Svelte and some thoughts about Svelte 5 and other exciting tech. Sponsored by Svelte Summit Svelte Summit is an event dedicated to Svelte and everything that is happening in the community. Don't miss it! It's going to be an absolute blast. It's happening on May 8 and 9, 2025 in Barcelona Spain. Discussion Introduction and background Svelte 5 thoughts What does Bloomberg use Svelte for? Zed editor Side projects Unpopular opinions Kevin: ORMs are shit, just use SQL Julian: CSS…
E76 · 9 Jul 2024 · 1 hr 2 min
Svelte Meets Vite: A Deep Dive with Matias Capeletto (patakdev)
Summary: In this episode we sit down with Matias (patakdev) and Pete (pngwn) to talk about how Vite evolved into a framework agnostic build tool and what it has planned for the future. Recorded on June 28th, 2024 Discussion : Building and maintaining Vite Vite vs Snowpack Speeding up Vite with Rolldown Vite's new Environment API utilizing serverless APIs (Cloudflare D1, Key value etc.) Rich Harris: Electron/Tauri native mobile platforms? ViteConf 2024 on October 3 Picks Kevin: Sugar (TV show on Apple TV), Pete (pngwn): Local first development story Matias (patak): Svelte/Kit Tutorial,…
E75 · 3 Apr 2024 · 50 min
Phoenix LiveView and Svelte with Wout De Puysseleir
Sponsored by Contentful Welcome to the new era of content management with Contentful. Say goodbye to the limitations of traditional content systems and hello to a world where collaboration sparks innovation. With Contentful, you’re not just managing content; you’re creating content-first, multi-brand experiences across all channels effortlessly. The best part? It requires zero coding! Empower your teams to collaborate and innovate, delivering impactful digital experiences at scale. Contentful's AI-driven platform not only streamlines content creation but also ensures it aligns perfectly with…
E74 · 23 Feb 2024 · 58 min
Talking This Week In Svelte with Enrico Sacchetti
Sponsored by Contentful Welcome to the new era of content management with Contentful. Say goodbye to the limitations of traditional content systems and hello to a world where collaboration sparks innovation. With Contentful, you’re not just managing content; you’re creating content-first, multi-brand experiences across all channels effortlessly. The best part? It requires zero coding! Empower your teams to collaborate and innovate, delivering impactful digital experiences at scale. Contentful's AI-driven platform not only streamlines content creation but also ensures it aligns perfectly with…
E73 · 14 Dec 2023 · 43 min
Svelte in dynamic e-commerce widgets with Jacob Stordahl
Sponsored by Contentful Welcome to the new era of content management with Contentful. Say goodbye to the limitations of traditional content systems and hello to a world where collaboration sparks innovation. With Contentful, you’re not just managing content; you’re creating content-first, multi-brand experiences across all channels effortlessly. The best part? It requires zero coding! Empower your teams to collaborate and innovate, delivering impactful digital experiences at scale. Contentful's AI-driven platform not only streamlines content creation but also ensures it aligns perfectly with…
E72 · 6 Dec 2023 · 1 hr 5 min
Slicing Svelte with Sam Littlefair and Prismic
In this episode of Svelte Radio, join hosts Brittany and Kev as they dive into the world of web development with their guest Sam, a technical writer at Prismic. Brittany shares her latest experiences battling with Tailwind, Rails, and Svelte, emphasizing the learning journey that comes with navigating the complexities of modern web development. She also offers a valuable tip about CSS line height, advising against the use of rems and ems due to their unpredictable inheritance and suggesting more reliable alternatives. Recorded on October 11th. Description Who is Sam? Twitter Svelte Starter…
E71 · 29 Nov 2023 · 1 hr 6 min
Melting UIs with Thomas G. Lopes
Join us as we dive into an engaging conversation with Thomas G. Lopez, the brains behind the popular UI library in the Svelte ecosystem, MeltUI. Thomas shares his journey in web development, moving from Vue to React, and ultimately finding his passion in Svelte. Discover the unique challenges and triumphs he experienced while creating MeltUI and becoming a Svelte ambassador. Recorded on October 4th. Description Who is Thomas? Twitter Website MeltUI Radix Svelte Svelte Sirens Stream Builder from Scratch London Meetup Search element TreeStyle Tabs / Panorama Tab Groups Practical Accessibility…
E70 · 22 Nov 2023 · 52 min
View Transitions in SvelteKit and beyond with Geoff Rich
Today we chat with Geoff Rich about View Transitions. We explore what you can do with them, how to use them and much more. Can it be used with SvelteKit? Yes! Dive in and get all the tips! Recorded on September 27st. Description Who is Geoff? Website Twitter What are View Transitions? MDN Chrome for Developers Jake Archibald's Article on the Chrome Blog How do they work in SvelteKit? onNavigate svelte-view-transition Issue discussed Geoff's Svelte Summit Spring 2023 Talk jh3ey's twitter Unpopular Opinions Kevin: Limitations are good! Brittney: - Geoff: ARIA attributes NVDA Picks Brittney:…
E69 · 17 Oct 2023 · 40 min
Wolfensvelte 3D and the Svelte Language Server in the Browser with Jason Bradnick
We have chat with Svelte Hackathon winner Jason Bradnick (snuffy) about what it took to build his Wolfenstein clone in Svelte using only HTML, CSS and JS! No canvas used! He also talks about the work he's done on bringing the svelte language tools to SvelteLab. That means bringing the language server to the web! Recorded on September 21st. Notes Svelte Summit is happening on November 11th! Go submit a CFP! Who is Jason? GitHub Twitter / X Svelte Language Tools Web svelte-vscode-web Wolfensvelte-3D Play in the browser Nanothreads Unpopular Opinions Brittney: node_modules 🤬 Antony: It's ok to…
E68 · 29 Sep 2023 · 55 min
We are back! Svelte 5, Transitions, What's New?!
We're back after a long summer vacation! We talk about what's new in Svelte, View Transitions and we give you an update on what we all have been doing! We talk about the very very sad news that Ivan Hofer has passed away. Unfortunately we had some pretty major recording issues this time and had to record over two days, sorry about that! Recorded on September 14th. Notes Svelte Summit is happening on November 11th! Go submit a CFP! Latent Space AI Engineer Conference What's new in Svelte and Kit? View Transition support via onNavigate Svelte 5 teases from the community. Runes are now out…
E67 · 22 Jun 2023 · 1 hr 3 min
SvelteLab - a Svelte REPL for SvelteKit with Antonio and Paolo
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. Recorded: June 15th Description In this episode we talk with Antonio and Paolo, winners of the Svelte Hackathon! They built a REPL that…
E66 · 11 May 2023 · 1 hr
A primer on AI for developers with Swyx from Latent Space
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. NOTE: RECORDED May the 4th be with you. Description This episode is special in the sense that it's not so much about Svelte in particular…
E65 · 4 May 2023 · 52 min
Svelte Summit Hypisode
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. NOTE: RECORDED April 28th. Description We talk about the upcoming Svelte Summit conference and what we can expect from it! Talks,…
E64 · 28 Apr 2023 · 1 hr 10 min
SvelteKit-superforms with Andreas Söderlund
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. NOTE: RECORDED April 19th. Description Forms in SvelteKit are already top notch. But Superforms make them even better. We talk to Andreas…
E63 · 20 Apr 2023 · 59 min
Svelte in Research at Dartmouth with Wasita and Eshin
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. NOTE: RECORDED April 13th. Description This week we sit down with Wasita and Eshin at the Cosanlab at Darthmouth to talk about how they…
E62 · 13 Apr 2023 · 1 hr 10 min
Svelte at AppWrite with Alex Patterson
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. NOTE: RECORDED March 28th. Description Alex Patterson joins us to chat about... you guessed it! Svelte at AppWrite. And Svelte in…
E61 · 6 Apr 2023 · 55 min
Eric Brehault and Nuclia
Sponsor Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration. Founded by the creators of Next.js, Vercel has zero configuration support for 35+ frontend frameworks, including SvelteKit. We enable the world’s largest brands like Under Armour, eBay, and Nintendo, to iterate faster and create quality software. Try out Vercel today to experience the easiest way to use Svelte. NOTE: RECORDED March 22nd. Description Eric from Nuclia joins us to talk about Svelte... and the history of the web! If you're a new web…

About Svelte Radio

The Svelte community podcast — conversations about building with Svelte and SvelteKit, from beginner tips to advanced patterns.

Svelte Radio is a English tech & science podcast from Kevin Åberg Kultalahti. Melo plays each episode straight from the publisher's own feed — no ads added, no account needed — and remembers where you stopped, in this browser only.

Publisher: Kevin Åberg Kultalahti
Language: English
Category: Tech & Science
New episodes: Weekly
Typical length: 59 min
Latest episode: 6 Mar 2026
Feed: RSS — paste into any podcast app
Apple Podcasts: podcasts.apple.com/podcast/id1493425089
Website: svelteradio.com
Rights: Kevin Åberg Kultalahti

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