TypeScript.fm - The Friendly Show for TypeScript Developers

News for the week of April 6, 2026 : latest Bun release adds automated headless browser automation, whether Anthropic is using fear-based marketing, and major releases from Storybook and Docusaurus. From the community: why nominal typing deserves to be first-class, what to do about OSS vulnerabilities, and lessons from building a Rust runtime for TS. Sponsored by Excalibur.js Excalibur.js is the f...

In this episode with Josh Goldberg, maintainer of TypeScript ESLint, we dive into his latest research project, Flint. The goal of Flint is to test different hypothesis on how to architect a modern, hybrid-native JavaScript and TypeScript linter. What happens when every rule can be type-aware? Can you write lint rules in TypeScript and run them with near-native performance? How can error messages b...

News for the week of March 30, 2026 : fun with UUIDs, Cloudflare gunning for Wordpress, and how OSS maintainers can defend against spearphishing attacks. From the community: a very Solid 6 hours, compiling TS to native UI code, and a super fast VIN decoder. Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games wit...

News for the week of March 23, 2026 : Aspire 13.2 now supports TypeScript app hosts, Node.js security releases, and axios got got. From the community: Auvred's hybrid linting research, refactoring with generics, and sharing signals across the server-client boundary. Plus, using Claude to write a JS engine from scratch. Sponsored by Excalibur.js Excalibur.js is the free and open source friendly Typ...

News for the week of March 16, 2026 : TypeScript 6.0 is stable and released, Next 16.2 is better for agents, and SolidStart V2 is coming soon. From the community: bloat in JavaScript projects (and what to do about it), a TypeScript CLI framework, and why Node.js needs a VFS and a better streams API. Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeScript 2D game engi...

News for the week of March 9, 2026 : it's VoidZero all the way down, seriously. From the community: TanStack makes hotkeys simple, plus how good are AI agents at playing Runescape? Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games with TypeScript or JavaScript! Excalibur comes out-of-the-box with everything yo...

News for the week of March 3, 2026 : minor updates in TypeScript 6 Release Candidate, what's new in Astro 6 updates, and latest Chrome revives Sanitizer API. From the community: when to use return types, remembering service workers, and why Patreon took seven years to adopt TypeScript. Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web...

News for the week of Feb 23, 2026 : highlights from the State of JS survey, Node is revamping its release schedule, and Bun finally gets stage 3 decorator support. From the community: Deno's code-first sandboxes, typesafe `Map.has()`, and Electrobun rendering with WebGPU. Support Our Troop 🍪 Buy Girl Scout Cookies ! Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeS...

News for the week of Feb 16, 2026 : npmx.dev is a better frontend for npm, Chrome 145 includes some cool new toys, and we figure out that Knip is pronounced with a hard-K. From the community: fun with generics, Next.js adds an MCP server, and why OSS maintainers need to breaks (as should we all). Chapters (00:00) - Welcome to the Show (07:10) - News: We Made Our First Video Podcast Episode (09:02)...

News for the weeks of Feb 2 and Feb 9, 2026 : TypeScript 6.0 beta drops, ESLint 10 config updates, and Electrobun 1.0 release. From the community: TypeScript types are not a security feature and breaking changes in TS 6.0 you need to know. Chapters (00:00) - Welcome to the Show (04:53) - News: TypeScript 6.0 Beta (17:28) - News: ESLint 10 Brings Flat Config Changes (19:47) - News: Deno Deploy is N...

Mauro Bieg joins the two fools to talk about Mastro, a simple and minimal web framework and site generator. If 11ty and Astro had a baby, it might look like Mastro! With support for routing, HTML templating, streaming, and even reactive UI, Mastro might be a great fit for your next content-driven website. Resources Mastro Website Mastro on GitHub Mastro on BlueSky Where to Follow the Team Mauro on...

News for the week of January 26, 2026 : Yarn 6.0 is rewritten in Rust, Anders interviewed on history and future of TypeScript, and a PSA on the Notepad++ update system. From the community: start using the satisfies keyword, learn more about Node Single Executable Applications (SEAs), and a DnD rule engine written in TS. Stand With Minnesota We are native Minnesotans. The ICE occupation is affectin...

News for the week of January 19, 2026 : Rolldown reaches 1.0 release candidate, and a PDF library we all deserve. From the community: a better npm admin experience, supertype safety, and modern package.json targets. Stand With Minnesota We are native Minnesotans. The ICE occupation is affecting our community in so many ways and has disrupted daily life for thousands of us. Families are sheltering...

News for the week of January 12, 2026 : Astro finds a new home, Chrome ships Temporal API, and latest Node marks require(esm) as stable. From the community: type-safe UI, how TypeScript differs at dev-time vs runtime, and Deno's (impressive) latency under load. Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games...

News for the week of January 5, 2026 : patch all your Node.js installations! Like now! Plus, a new TypeScript ESLint fixer for unused imports. From the community: why we all suck at logging, the concise TypeScript book, and all the JS engines in one page. Sponsored by Excalibur.js Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games with...

News for the weeks of December 22 and 29, 2025 : MongoDB exploit drops on Christmas day in true Grinchy fashion, a new backend library called Vla that is far from blah, and starter templates for your next React Native app. From the community: NodeTLV keynote, strongly-typed events in gamedev, and a 6-hour deep dive into Doom in TS. Sponsored by Excalibur.js Excalibur.js is the free and open source...

Our last episode for 2025, see you in 2026! News for the week of December 15 2025 : Microsoft's experimental JS/TS modernization agent, new Next.js and Bun releases, and how pnpm is tightening the security screws. From the community: when to use types vs. interfaces, actionable tips on securing your local dev environment, and tips on using TypeScript types as a programming language. MCP in Practic...

News for the week of December 8 2025 : Deno 2.6 is packed with some cool features, Node 24 LTS ships stable type stripping, more React CVEs, and some new browser updates. From the community: JSDoc love, slay your TS type performance, and Figma's plugin system is built on shadows. MCP in Practice Course Out now. Kamran shows you how to build a practical enterprise-grade MCP server with .NET, C#, an...

Sam Gammon joins the two fools to talk about Elide, a batteries-included multi-language runtime. What if you could import Python modules from TypeScript... or Ruby, or Kotlin, or Rust? What if you could consolidate multiple backends to just one that ran all your code end-to-end with a unified DX? And what if doing all that was just as fast (or faster) than your existing backend? That's what we tal...

News for the week of December 1, 2025 : Anthrophic acquired Bun, React2Shell is pretty darn bad (and that's not all), plus "elf spam" packages on npm. From the community: tRPC vs. oRPC, demystifying TSConfig, and hash-slash (#/) project-relative import support in Node. MCP in Practice Course Watch now. Kamran shows you how to build a practical enterprise-grade MCP server with .NET, C#, and OAuth,...

News for the week of November 24, 2025 : TypeScript team discusses progress on TS 7 and upcoming deprecations for TS 6. Plus, Svelte's new hydratable API. From the community: creating strongly-typed CLIs with yargs, magic union types to check characters, and how TypedArray can reduce memory usage. Sponsored by Excalibur.js Excalibur.js is the friendly TypeScript 2D game engine for the web. Use you...

News for the week of November 17, 2025 : Angular 21 is zoneless by default and adds Vitest support, plus Shai-Hulud worm hits another 500+ npm packages. What's a dev to do??? From the community: you basically know C# if you already know TypeScript and a new decorator-free dependency injection library inspired by Autofac. Sponsored by Excalibur.js Excalibur.js is the friendly TypeScript 2D game eng...

News for the week of November 10, 2025 : Node 25 marks type stripping as stable, the downlow on some new Rust-based JavaScript and TypeScript engines, and a new browser for keyboard lovers. From the community: visualize how types work, using .NET Aspire without .NET, type-safe SQL, and an experimental Rust-based type checker. Sponsored by Excalibur.js Excalibur.js is the friendly TypeScript 2D gam...

Daniel Rosenwasser and Jake Bailey join the two fools to talk about what's coming soon in TypeScript 6 and 7. What changes should developers expect? What might the new compiler API look like? How is the Go port progressing? We talk about smarter (and stricter) defaults, ES targets, module resolution, and why it's hard to emulate JavaScript floating point semantics in Go. Chapters (00:00) - Introdu...

News for the week of November 3, 2025 : Node 24 promoted to LTS, Nuxt Image V2 is full of TS goodies, and Anders is humbled by TypeScript's rise. From the community: TypeScript is not a substitute for good engineering, why codemods are helpful, and examples of using the satisfies keyword. Chapters (00:00) - Welcome to the Show (05:24) - Announcement: We're Now On YouTube! (07:31) - News: TSGo is W...