TypeScript.fm - The Friendly Show for TypeScript Developers

By Kamran Ayub and Erik OnarheimNews Technology Tech News

TypeScript.fm - The Friendly Show for TypeScript Developers episodes

November 13TS7 in the Playground, Parcel 3 Goes 100x Faster, and Excalibur Hits 1.0 | News | Ep 89
News for the week of November 2, 2026: the TypeScript Playground now runs the Go-based TS7 in your browser, Parcel 3 is a ground-up Rust rewrite that's up to 100x faster, and Excalibur hits 1.0 after thirteen years. From the community: TypeScript running inside its own type system, flawless Chrome tab capture, and what to do about too many TypeScripts.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Tooling: TypeScript Playground V2 Powered by WASM
(03:00) - Tooling: Porffor passes 96% of test262 and has better Node compat
(04:29) - Tooling: Node.js security updates for November 11
(05:18) - Tooling: Node.js 27 alpha notable changes in V8
(06:24) - Tooling: Rune is a terminal IDE that supports TypeScript 7
(08:11) - Tooling: Parcel V3 is a ground-up rewrite in Rust
(10:45) - Tooling: Playwright test runner now supports Bun
(12:21) - Frameworks: Excalibur reaches 1.0 milestone
(18:07) - Web Platform: Cloudflare is enabling Temporal API in workers starting in December
(19:16) - Web Platform: Safari 27.3 beta brings more modern web goodies
(23:42) - Security: GitHub moving to block pull_request_target workflows in December
(24:51) - Security: 9 tips to harden your GitHub actions against outside threats
(31:54) - Library watch: Lume 4.0 is out, a static site generator
(32:40) - Library watch: TanStack AI 1.0 is now stable
(35:27) - Library watch: Kysely, a type-safe SQL builder
(36:27) - Community: tstst, TypeScript in the TypeScript Type System
(37:28) - Community: State of JavaScript 2026 survey is out!
(38:00) - Community: I'm feeling lost with all the TypeScript options now
(41:30) - Community: Tales from the Void, October 2026 recap
(42:15) - Community: Daniel Roe makes vite-plugin-checker
(43:44) - Community: Better Stack on the new tsrs TypeScript Rust port
(44:17) - Community: Paul Irish's Chrome Capture takes flawless videos of your Chrome
(46:03) - Bleet of the week
(46:40) - Cool Link: .NET 11 and its new async runtime
(50:36) - Cool video: I let AI refactor my codebase for 3 weeks, then I read the code
(52:32) - Cool link: Not everything needs an LLM by PostHog engineering
(54:35) - The Minnesota Long Goodbye
News
Tooling & Runtimes
TypeScript: A new TypeScript Playground supporting the Go-based TS7 (via Rob Palmer)
Porffor: Now passing ~96% of Test262, with decent Node compat (via Oliver Medhurst)
Notable V8 changes from Node.js 26 to 27 (Alpha)
Rune 1.3 is released – Kitty graphics and tier 1 TypeScript support
Announcing Parcel 3 alpha
Playwright v1.65.0 – Run tests with Bun
Frameworks
Excalibur v1.0.0 Released!
Web Platform
Cloudflare: Temporal will be enabled by default in Workers from December 1, 2026 (via Rob Palmer)
Related: Temporal: The 9-Year Journey to Fix Time in JavaScript (Bloomberg)
Related: Temporal: It's about time! (Jason Williams, State of the Browser)
Safari: Safari 27.3 Beta ships Temporal, using, import defer, and more (via Rob Palmer)
Security Corner
Socket: GitHub to Block pull_request_target Workflows by Default Starting December 2
Socket: Hardening GitHub Actions Against Outside Threats
Library Watch
Lume 4: The future of Lume, the static site generator
TanStack AI 1.0: Still Your AI, Still Your Way
Joist 2.5: State Machines, PostgreJS, Read Locks, Metrics
Kysely: Type-safe SQL query builder, in production at a lot of companies since 2021
From the Community
zzj3720: TSTST, TypeScript compiling TypeScript inside its own type system (via Adam)
Sacha Greif: The 2026 State of JavaScript survey is now open
Reddit: Feeling lost with all the TypeScript options now. What are you actually using?
VoidZero: Tales from the Void: October 2026 Recap
Daniel Roe: vite-plugin-checker v1 is out
Better Stack: TypeScript Got Ported To Rust... And It's 3x Faster Than Go
Paul Irish: chrome-capture, flawless no-dropped-frames AV1 capture of a Chrome tab
Bleet of the Week: Installing TypeScript security patches...
Cool Links
AI Engineer: I Let Agents Refactor My Codebase for 3 Weeks. Then I Read the Code. (Keiji Kanazawa, Microsoft)
Microsoft Learn: What's new in .NET 11 runtime
.NET Blog: Performance Improvements in .NET 11 (Stephen Toub)
PostHog: Not everything needs an LLM (Jina Yoon)
Music
Seahorse Dreams by Kubbi (Spotify)

...
1 hr 18 min
November 05Nuxt DevTools V4, It's JS Engine Season, and TypeScript Still #1 on GitHub | News | Ep 88
News for the week of October 26, 2026: Nuxt DevTools V4 is bigger and badder than ever, it's JS engine season with Yavashark and Boomkat, and TypeScript stays #1 on GitHub as more than 40% of pull requests now start with an agent. From the community: a SOML parser in TS types, a TypeScript to SNES compiler, and how to access the runtime values for type unions.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Tooling: tttt and the rise of personal TypeScript compilers
(03:43) - Tooling: Ende revisits Deno’s original runtime philosophy
(06:57) - Tooling: Yavashark, an Embeddable JavaScript Engine Written in Rust
(09:20) - Tooling: Boomkat, a ES2026 JavaScript in C3
(10:14) - Tooling: Next SWC major up to 3X faster native parsing, 10X faster parsing via JavaScript API
(11:38) - Tooling: Node.js 27 Alpha has major V8 engine updates
(13:54) - Tooling: Elide embeds a C compiler and linker
(16:37) - Frameworks: Nuxt DevTools v4 is out
(17:59) - Frameworks: TanStack DB 1.0 RC1 and test oracles
(22:20) - Web Platform: Recap of GitHub Universe 2026
(27:10) - Web Platform: Sourcemap scopes arrive
(28:57) - Web Platform: HTML-in-Canvas is here in Chrome 157
(31:22) - Web Platform: Firefox 159 and Safari 27.2
(32:49) - Security: Linux kernel TCP flaw allows remote code execution
(34:29) - Security: Anthropic removes compromised Claude Code Cursor extension
(36:29) - Security: knip is a Security Hardening Tool
(37:21) - Library Watch: CDP-Kernel runs Node/Deno/Bun in Jupyter notebook
(37:55) - Library Watch: svjeez lets you animate SVGs declaratively
(39:46) - Library Watch: ohne.dev, a zero-dependency TypeScript web framework
(41:11) - Library watch: Build shaders locally, OSS from shaders.com
(41:31) - Library watch: Domicile brings web tech to Linux desktops
(42:17) - Community: Boston TS meetup is back Nov 19
(42:44) - Community: Jamie Tanna explains how to get access to type unions at runtime
(44:13) - Community: sindresorhus made a TypeScript-only SOML parser with zero runtime code
(46:13) - Community: Compiling TypeScript into Super Nintendo games
(48:08) - Community: Tom Schindl on null vs undefined
(49:13) - Community: City builder game engine written in TS
(49:54) - Community: Mike Haas makes Caladesi, a toy language in .NET that is basically TypeScript
(52:05) - Community: Antony Jones built a logic gate simulator in TS
(52:48) - Community: nyamauru on six different ways to write a User type
(54:37) - Community: Armin's tip on Angular 22 @Service decorators
(55:44) - Community: Lemmings-ts, OSS browser remake of the classic Lemmings game
(56:50) - Bleet of the Week
(57:55) - Cool Interview: Stephen Toub on porting a 400,000-line runtime from TypeScript to Rust
(01:03:21) - Cool Essay: I am Dr. Jekyll and Mr. Hyde about AI
(01:07:07) - The Minnesota Long Goodbye
News
Tooling & Runtimes
tttt: I finished the TypeScript type checker. it's fast – TS type checking in C (via Tess)
Ende homepage is live
Yavashark: I've Built A JS Engine Every Day For 950 Days Straight (via Rob Palmer)
Boomkat: A tiny JS engine with ES2026 + native TS and JSX support (via Ricardo Tomasi)
SWC Next: Inspired by the Yuku compiler architecture (via Rob Palmer)
Node.js 27 Alpha
Elide 1.6.2: Embedded C compiler and linker via LLVM
Frameworks
Nuxt DevTools v4
TanStack DB 1.0 RC1: Going All In on Oracles
Web Platform
GitHub Universe 2026: Evolving every layer of the stack
Plus: Octoverse: Commits, pushes, reach new highs in 2026 as developers build with agents
Plus: GitHub debuts Copilot Fusion, a new model selection & orchestration system that beats Claude Code for half the API cost
ECMAScript: Simon Zünd ships the TG4 Stage 3 “Scopes” proposal for source maps in Chrome 158 (via Rob Palmer)
HTML-in-Canvas in Chrome 157: Interactive DOM inside 2D, WebGL, and WebGPU
Firefox 159.0, See All New Features, Updates and Fixes
Safari 27.2 Release Notes
Security Corner
PSA: Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions
Related: Fixes available in -proposed pocket for CVE-2026-98432 (Ubuntu)
Socket: Cursor Removes Malicious Claude Code 2.1.313 Extension From Its Marketplace
PSA: knip.dev is a security hardening tool (via Philippe Serhal)
Library Watch
cdp-kernel: A Jupyter kernel for TypeScript and JavaScript, extracted from Deno's, that runs notebooks on Node, Deno, Bun, workerd and celld (via Thomas Lockney)
svjeez: Write a scene in TypeScript and compile it to a self-contained animated SVG (via
1 hr 25 min
October 29Prettier in Bun, Deno's Spiritual Successor, and Extraction Models Are A Thing | News | Ep 87
News for the week of October 19, 2026: Bun 1.4.4 ships bun fmt (a Prettier port) and cuts Bun.SQL CPU time by 40%, Ende arrives as a spiritual successor to Deno, and Cloudflare drops a new kind of deterministic output model called Clairic. From the community: content mappers galore, Aspire as “strongly typed docker compose”, and TanStack Redact, a lighter drop-in replacement for React.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Tooling: Rolldown Adds Support for Multiple TypeScript Compilers
(02:19) - Tooling: Ende, a Community-supported Fork of Deno
(03:42) - Tooling: Bun 1.4.4 Featuring bun fmt, bun check, faster Bun.SQL
(05:43) - Web Platform: Cloudflare Introduces Clairic, a New Extraction Model
(11:10) - Web Platform: Firefox Wishes You Would Come Back
(12:41) - Security: Brotli2Shell Vulnerability Affects .NET, Python, and Other Runtimes
(14:13) - Security: There's a Third PHP2Shell Bug Without an Emergency Fix
(15:16) - Security: Practice Apps to Test Your Leet Hacker Skillz
(16:16) - Library Watch: TanStack Introduces Redact, a Lightweight Replacement for React
(17:25) - Library Watch: ArkType's attest Now Supports TS 7.1
(18:32) - Library Watch: Forges.link for Abstracting Code Hosting Providers
(20:17) - Library Watch: Tsonic Compiles TypeScript to .NET, Rust, and Mojo
(21:51) - Library Watch: Reylo, Type Checking SQL
(24:10) - Library Watch: Celesta, Code-first Video Creation
(25:49) - Library Watch: Markasso.it, A Zero Latency Whiteboard Engine
(26:44) - Library Watch: mini-van, a Minimalist Template Engine
(27:49) - Community: Jovi de Croock Works on Updating gql.tada for TS 7
(30:31) - Community: John Reilly Working on ts-loader v10 for TS 7.1
(32:44) - Community: Aspire Has Changed, See What's New with Barret Blake
(35:50) - Community: Matt Pocock on Why Courses Are Still Selling
(42:26) - Community: Orta from Puzzmo Built a Custom SSR Framework
(43:23) - Bleet of the Week
(43:57) - Cool Product: Tailscale, Remote Networking Tunnels
(46:54) - Cool Interview: Brian Kernighan, Creator of C Programming Language
(47:50) - Cool Link: The Fun of Programming Doom in DNS
(49:37) - The Minnesota Long Goodbye
News
Tooling
Rolldown: Pick your TypeScript compiler for .d.ts generation (via Kevin Deng)
Get started with Ende
Bun v1.4.4
Web Platform
Cloudflare: Introducing Clairic, a new System One class of extraction models
It’s time to come back to Firefox. The Internet you loved is still here.
Security Corner
Brotli2Shell: .NET October 2026 Out-of-Band Security Updates
PHP: There's a third PHP2Shell bug, but it won't get an emergency fix
juice-shop: Practice Web Application Security with OWASP (via OSRepos)
Library Watch
TanStack Redact: A drop-in replacement for React and React DOM that renders synchronously (no time slicing or async rendering)
ArkType attest: now supports the TypeScript 7.1 beta
Forges: One TypeScript client for issues, PRs, notifications, checks and webhooks across 12 forges (via Daniel Roe)
Tsonic: Generate C#, Mojo, and Rust source from TypeScript
Reylo: Import .sql files into TypeScript with full type inference and zero codegen, using TypeScript 7.1 content mappers (by Colin McDonnell)
Celesta: Code-first videos with React and TypeScript (via natsuneko.cat)
Markasso: Framework-agnostic whiteboard engine in vanilla TypeScript and Canvas 2D, with no dependencies (GitHub)
Mini-Van: A minimalist template engine for DOM generation and manipulation, for both client-side and server-side rendering (SSR)
From the Community
Jovi De Croock: Tada after tsserver plugins
John Reilly: TypeScript 7.1 and the ts-loader v10 beta
Armen Vardanyan: Building an auditMap operator for RxJS from throttle and concatMap
Barret Blake: Aspire 2026 Revisit, Episode 1 - Overview
Matt Pocock: Courses are still very much alive, they've just changed
Orta Therox: Built his own SSR framework for Puzzmo
Bleet of the Week
Cool Links
Tailscale
Brian Kernighan: Inside Bell Labs, The Best Programmer, Why C Won
The Register: No shame in the Domain Name game: DNS is doomed, literally (Corey Quinn)
Stratechery: The End of the Internet
Music
Seahorse Dreams by Kubbi (Spotify)
1 hr 8 min
October 22TypeScript 7.1 Beta, eMudhra CA Compromise & PHP2Shell, and Cloudflare's tsrs Rust Port | News | Ep 86
News for the week of October 12, 2026: the internet is on fire with major security issues from a compromised CA to critical PHP vulnerabilities and remote code execution in Node.js! But at least TypeScript 7.1 beta is out, along with tsrs, a Rust port from oxc team. From the community: a game to help you create a mental model of memory mapping, which new image format is best for the web, and an interview with Daniel Rosenwasser on what comes after TS 7.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Security: eMudhra CA Compromise Allows TLS Impersonation
(04:10) - Security: Node.js High CVE for Remote Code Execution
(05:53) - Security: PHP2Shell, Critical PHP Vulnerability
(07:45) - Security: Socket for Origin Version Control Released
(08:51) - Security: What Just Happened?
(11:37) - Tooling: TypeScript 7.1 Beta
(19:22) - Tooling: tsrs, Cloudflare's Port of TypeScript 7 to Rust
(23:28) - Tooling: tsc-ts, Porting TypeScript to TypeScript (with a C Runtime)
(24:20) - Tooling: tsc-dotnet, Experimental TypeScript Port to C#
(26:36) - Tooling: Bun Working on AOT Compilation?
(29:45) - Tooling: Elide the Polyglot Runtime is Now Stable
(32:00) - Frameworks: Astro 7.4 Features New Timings Flag for Build
(32:40) - Frameworks: TanStack Start 1.0 is Stable
(33:40) - Frameworks: Snapfire, TypeScript Web Apps Served in Rust
(37:32) - Web Platform: Firefox 158 Now Supports JPEG XL
(37:52) - Library Watch: Nuclo, Fast Lightweight DOM Updates
(39:01) - Library Watch: OpenWorkflow, an OSS Alternative to Temporal
(41:06) - Library Watch: ts-rs, Generate TypeScript Bindings from Rust Types
(42:14) - Library Watch: tmcp, a Batteries-included Alternative to Official TypeScript MCP SDK
(44:14) - Community Highlights: TypeScript Memory Mapper Game
(45:41) - Community: The Register Interviews Ryan Dahl on Deno Joining Cloudflare
(47:42) - Community: Josh Goldberg Interviews Daniel Rosenwasser on Software Engineering Daily
(48:10) - Community: Filip Sodic on Why Types Are Worth Typing
(49:26) - Community: Node Banter on Shipping TS Source in npm
(52:30) - Community: Isaac Levin Writes About Building an RSS Reader in TS
(53:13) - Community: Next.js on Improving Navigation Experience in v0
(54:02) - Community: Jake Archibald on JPEG XL vs. AVIF for Web Use Cases
(56:47) - Bleet of the Week
(57:12) - Cool Link: Breadboard Clock Series
(58:09) - Cool Link: Teal, Statically Typed Dialect of Lua
(58:33) - Cool Link: The Decoherence Trap by Maevyn.codes
(01:02:13) - The Minnesota Long Goodbye
Security
Node.js October 2026 Security Updates
CERT-EU - Critical Vulnerabilities in PHP
The Internet goes on high alert after discovery of 8 compromised TLS certs - Ars Technica
Informal advisory and diagnostics: https://emudhra.we-have-a-problem.com/
Socket for Origin Now Available
Tooling
Announcing TypeScript 7.1 Beta
Introducing tsrs: a Port of TypeScript to Rust
tsc-ts: TypeScript in TypeScript, compiles using scriptc
typescript-dotnet: Experimental port of TS 7 to C# (via Reddit)
Bun AOT in the works
Elide: 1.6.0 Changelog
Frameworks
Astro 7.4
TanStack Start 1.0 is Stable
SnapFire: Write TypeScript, served in Rust
Library Watch
Nuclo: fast lightweight DOM framework for updates
OpenWorkflow: OSS workflow engine alternative to Temporal
ts-rs: TS Bindings from Rust Types (via Mike)
tmcp: build opinionated TypeScript MCP servers (via Paolo)

From the Community
Prescod: TypeScript Memory Mapper Game (Free)
The Register: Interview with Ryan Dahl about Deno + Cloudflare
Software Engineering Daily: TypeScript 7 and What Comes Next (Josh Goldberg & Daniel Rosenwasser)
Filip Sodic: Types Are Worth Typing
Nodeland: Don’t Ship the Source (TypeScript), listen to the podcast episode
Isaac Levin: Building an RSS Reader in TypeScript
Next.js: Improving navigation experience in v0 with Next.js 16.4
Jake Archibald: JPEG XL vs AVIF for web use-cases
Bleet of the Week
Cool Links
Setting the time on my breadboard clock: Breadboard clock part 5
Statically Typed Lua
Ma...
1 hr 15 min
October 14Theo's $420K TS-Rust Port, bun check, and Deno Joins Cloudflare | News | Ep 85
News for the week of October 5, 2026: Theo spends $420,000+ porting the TypeScript compiler to Rust, the new Bun (type)check command claims 3-7x speedups, and Deno joins Cloudflare. From the community: ViteConf is October 15, GitHub moves off CSS-in-JS, and Syntax is donating.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Tooling: ts-rust, a Vibe Port of TypeScript 7 to Rust
(06:03) - Tooling: bun check, 2-7X Faster Type Checking in Bun 1.4.3
(10:07) - Tooling: bun Adds lint and format Commands, Forking oxlint and oxfmt
(11:27) - Tooling: terser Adds Erasable Types Support
(13:17) - Tooling: Node.js 26.11.0, New Docs and Benchmarking Perf Hooks
(15:22) - Frameworks: Next.js 16.4 Adds Cache Components Programming Model
(19:21) - Web Platform: Deno Joins Cloudflare, But Will No Longer Maintain the Runtime
(24:24) - Web Platform: Chrome 155+ Will Support JPEG XL
(26:12) - Security: Vite Dev Server CVE for Arbitrary Command Execution
(27:41) - Security: TanStack Start CVE for Reflected Cross-site Scripting
(28:37) - Security: zod and Other Packages Were Nearly Compromised
(30:38) - Security: New GhostAction Wave Steals Cloud and AI Credentials
(32:50) - Other News: Remembering Margaret Hamilton, Apollo Space Programmer
(33:14) - Library Watch: maligator, an AOT Compiler for JavaScript to C
(34:24) - Library Watch: fjson, a Friendly JSON-alike Language and Parser
(35:10) - Library Watch: logtape 2.4
(36:23) - Library Watch: plumeria, Type-safe Zero-runtime Atomic CSS
(37:02) - Community: ViteConf is October 15
(37:26) - Community: Syntax.fm Calling for Nominations to Fund OSS Maintainers
(37:48) - Community: GitHub is Switching from CSS-in-JS to CSS Modules
(40:13) - Community: Mark Built a JavaScript Runtime Over the Weekend Called Bento
(41:48) - Community: Grafana's Cuetsy and Thema TypeScript Code Generation
(42:26) - Bleet of the Week
(43:11) - Cool Event: Ludum Dare, Make a Game in 48 Hours
(44:02) - Cool Study: Where is the Bottleneck in Software Development and AI?
(45:46) - Cool Tool: TypeScript to Zod Schema Tool (and More!)
(46:40) - Cool Link: ascii.rest, Animated ASCII Art for Web Pages
(48:22) - The Minnesota Long Goodbye
News
Tooling
Theo: ts-rust
Bun: Bun 1.4.3
Terser: Experimental type erasure (via Rob Palmer)
Metaframeworks
Next.js: Next.js 16.4
Web Platform
Cloudflare: Deno joins Cloudflare
Node: Node.js 26.11.0 (Current)
Chrome: Shipping JPEG XL in Chrome (155+)
Security Corner
VoidZero: Vite Dev Server security update
TanStack: TanStack Start security update: CVE-2026-102989
Zod: Security advisory: malicious npm package changes affecting zod, nub, and standard-schema
Socket: New GhostAction Wave Hits Hundreds of Repos, Expanding Beyond CI/CD Secrets to Cloud Credentials
Other news
MIT News: Margaret Hamilton, computing pioneer, dies
Library Watch
Maligator: JS AOT to C compiler (GitHub)
fjson from Cinnamon: friendly JSON parser for TypeScript
LogTape: LogTape 2.4.0
Plumeria: type-safe CSS with a Rust compiler
From the Community
VoidZero: ViteConf is October 15th
Syntax.fm: Syntax is donating
GitHub: Switches from CSS-in-JS
Mark Malstrom: Bento, a JS runtime in a weekend
Sam Boyer: Grafana's schema-driven data language: Cuetsy and Thema (via Evangaline Rome)
Bleet of the Week: “Cloudflare” Meteor
Cool Links
Artificial Intelligence in the Firm: Bottlenecks in Software Production
TypeScript to Zod Schema
ASCII Rest
Music
Seahorse Dreams by Kubbi (Spotify)
1 hr 14 min
October 09Vite+ 1.0, SvelteKit 3, and TanStack Charts 1.0 | News | Ep 84
News for the weeks of September 21 and 28, 2026: Vite+ 1.0 is now stable, SvelteKit 3 is finally here, TanStack has charts now, and why everyone is launching decision models. From the community: awesome TypeScript books, why you shouldn't be afraid of generics, and how Booking.com cut Node scaling costs by 38%.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Tooling: Vite+ 1.0 Stable Announced
(05:58) - Tooling: Introducing upm, a New Package Manager
(09:42) - Tooling: TanStack Charts 1.0 Announced
(12:08) - Metaframeworks: SvelteKit 3 is Here
(13:38) - Framework: Nuxt 4.6 Brings Nuxt CLI v4 and is Closer to Being Server Agnostic
(18:26) - Web Platform: ECMAScript Composites TC39 Proposal
(21:56) - Web Platform: Cloudflare Open Sources cf CLI and Forge
(25:40) - Web Platform: Cloudflare Introduces Clef, an Open Weights Decision Model
(30:41) - Web Platform: Chrome 154, Responsive iframes
(31:49) - Web Platform: Firefox 157's Fresh Design
(33:03) - Security: Next.js September 2026 Patches Available
(33:46) - Library Watch: Preact 11 - ESM-only, Hydration v2, Modern Diffing
(35:43) - Library Watch: Effect Module of the Week, RcMap
(36:35) - Library Watch: mimlet 0.1 for Testing with Mock Data
(37:33) - Library Watch: oxbox, a Tiny Portable Library for Parsing, Transforming JSX/TSX
(37:53) - Library Watch: safemods, Type-directed Code Mods for TS 7
(39:49) - Library Watch: GTKX, Linux desktop apps with React and JSX
(41:20) - Secret of the Handbook: Const Generics (Again)
(42:52) - Community: Angular's TypeScript 7-powered Compiler
(45:54) - Community: Josh Ghoulberg is Excited About no-unsafe-enum-assignments TS ESLint Rule
(47:02) - Community: Awesome TypeScript Books by tscollege
(48:19) - Community: Max Hurst Reassures Us Not to Be Afraid of Generics
(49:47) - Community: Dan Holloran on How to Clean Up Your TSConfig for TS7
(50:32) - Community: Rahul's Readable Regular Expressions Inspired by Emacs
(53:13) - Community: Razvan's Glossary of Programming Terms
(54:05) - Community: How Booking.com Scales Node.js and Cut Costs by 38%
(58:06) - Community: NOMIAD, an Open World Sci-Fi Game Written in WebGL and TypeScript
(59:05) - Community: Claude Mods Customize Your Clanker
(01:00:24) - Community: dsherret's TypeScript Factory Code Generator Generator
(01:01:18) - Community: Kris Jenkins Used SpaceTimeDB to Visualize Wikipedia Edits
(01:02:14) - Bleet of the Week
(01:02:49) - Cool Link: How to Render Text from Font Files by Jimmy Lefevre
(01:03:59) - Cool Prompt: Create a Trip Highlight Video
(01:10:02) - The Minnesota Long Goodbye
News
VoidZero: Announcing Vite+ 1.0
Plus: ViteConf 2026 (October 15)
Socket: Introducing upm
TanStack: TanStack Charts 1.0 announced
SvelteKit: SvelteKit 3 is here
Nuxt: Nuxt 4.6
ECMAScript: TC39 Composites via Rob
Cloudflare: Open-sourcing cf and Forge
Cloudflare: Introducing Clef: our open-source decision models, and new RL fine-tuning platform
Related: AWS launches a local answer to TypeSafe's Jev decision model
Chrome: New in Chrome 154
Mozilla: Firefox 157.0, See All New Features, Updates and Fixes
Next.js: September 2026 Security Release
Library Watch
Preact 11: Post by @jovidecroock.com
Effect.ts Module of the Week: RcMap
Mimlet 0.1.0-beta.0: create mock test data
Safemods: type-directed code mods for TypeScript 7
GTKX: native Linux desktop apps with React
From the Community
Angular Team: An update on Angular’s TypeScript 7-powered Compiler
Josh Goldberg: typescript-eslint finally gets "no-unsafe-enum-assignments"
TScollege: Awesome TypeScript Books
Max Hurst: Do Not Be Afraid of Generics
Dan Halloran: Your tsconfig Is Still Written for TypeScript 5. Here's the Cleanup TS 7 Forces
Rahul M. Juliato: Readable Regular Expressions for JavaScript/TypeScript, Inspired by Emacs' rx
Razvan Muntian: a programming glossary
Booking.com: Node.js at scale, rebalanced: how we cut cost by 38%
NOMIAD: an open-world sci-fi game in WebGL written in TypeScript
Anthropic: Customize Claude Code with mods in TypeScript
David Sherret: TypeScript Compiler API Factory Code Generator Generator (via Evangaline Rome)
Kris Jenkins: SpaceTimeDB w/ TypeScript
Bleet of the Week
1 hr 18 min
October 01Type-aware Linting, Vite+, and the Future of Dev Tooling | VoidZero | Ep 83B
In this special episode, the two fools are joined by Cameron Clark and Jim Dummett from VoidZero (and now, Cloudflare) to talk about the latest developments in type-aware linting, Vite+ and the Vite ecosystem, and what the future of dev tooling looks like for TypeScript and JavaScript developers.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Introducing Cameron Clark and Jim Dummett
(04:55) - The VoidZero Acqui-hire
(11:47) - The Vite Toolchain
(16:04) - What Dark Magic Makes TypeScript Plugins Work with oxlint?
(23:42) - Type-aware Linting via Oxlint and TypeScript 7
(27:02) - Type-aware Linting is Now Stable, What Does That Mean?
(29:39) - Does TypeScript 7's Performance Unlock New Kinds of Lint Rules?
(33:13) - What is Coming Next to Dev Tooling?
(37:29) - How Can Dev Tools Help Optimize Agent Interactions?
(50:42) - Takeaways and Where to Follow Jim and Cameron
(57:09) - The Minnesota Long Goodbye
Links
Cameron on GitHub
Jim's talk on oxc and type-aware linting
Vite+ (and 1.0 announcement)
Void Cloud
VoidZero Blog
oxlint plugin: anti-slop
Music
Seahorse Dreams by Kubbi (Spotify)
1 hr 16 min
September 25Benchmarking in Node, Modern DOM Typings, and Jev the Type-safe AI | News | Ep 82
News for the week of Sep 14, 2026: latest Node 26 includes experimental benchmark tests, a modern drop-in replacement for DOM typings, and we try to understand Jev, bruv. From the community: how GitHub rewrote Copilot's runtime in Rust, learn about ESM, and why Shopify ditched React Native (spoiler: agents).
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Welcome to the Show
(06:02) - Tooling: Node 26.9.0 Lets You Write Benchmarks with node:bench
(08:49) - Tooling: Jev, the Type-safe AI
(15:25) - Tooling: TypeScript 7 Works Around New Golang FMA Changes
(17:58) - Frameworks: GeaStack Compiles Typescript to Native Apps with C++
(20:00) - Frameworks: Ember 7.2, New Built-in Strict Resolver and ESM-only
(20:46) - Web Platform: Firefox 156, Can Now Open Automatically on macos
(21:21) - Security: Happy Birthday Shai-Hulud!
(22:17) - Security: GitHub Actions Tries to Limit Cache Poisoning Risk
(23:47) - Security: Gitea Affected by Severe RCE Vulnerability
(24:47) - Library Watch: modern-web-types Drop-in Replacement for DOM Typings
(26:52) - Library Watch: sqlbraid Lets You Write SQL and Keep TypeScript
(29:28) - Library Watch: temporal-parser, a Lexer and Parser for Temporal Expressions
(31:06) - Library Watch: Zod 4.6 Comes With Some Perf Improvements
(32:26) - Community: Puffball Explains How TypeScript 7 Creates Typed ASTs in Go
(33:44) - Community: ESModule.com, Learn About ES Modules
(34:47) - Community: cm.xyz Explains Why You'd Use Effect
(36:27) - Community: Porffor Can Compile TSC
(37:34) - Community: Stephen Toub on How GitHub Rewrote Copilot Runtime in Rust, with Copilot
(42:29) - Community: ecyrbe Creates Typeskell to Experiment with Typeclasses
(42:52) - Community: Barak's Complete Guide to HOCs with Next.js, React, and TS
(43:53) - Community: Orhun Interviews Sebastian from OpenTUI
(44:34) - Community: Shopify Switched Back to Swift and Kotlin from React Native
(48:07) - Bleet of the Week
(49:31) - Cool Link: Design Your Own Silicon Chip
(50:41) - Cool Link: The Essential Craftsman
(53:10) - The Minnesota Long Goodbye
News
Node: 26.9.0
Syntax: Jev Explained: Demos and Use Cases
Jake Bailey: Go FMA’s introduce non-determinism
Geastack compiles TypeScript to native apps via C++
Ember: 7.2 released
Firefox: Firefox 156.0 release
Socket: Happy Birthday, Shai-Hulud
GitHub: Control GitHub Actions cache access with cache-mode
Gitea RCE Vulnerability: Ed from Low Level's update on git situation
Library Watch
modern-web-types is a drop-in replacement for dom typings with modern APIs
Clickin/SQLBraid: Write SQL. Keep TypeScript. Skip the query-builder translation layer
taskade/temporal-parser: A lexer and parser for temporal expressions
Zod 4.6 perf fixes and Zod Mini standalone
From the Community
iamstan.dev: ES Modules via James
Puffball: Inside TypeScript 7's Go Port: Designing Typed AST Nodes Without a Giant Struct
cm.xyz: Understanding Why You'd Use Effect.ts
Porffor: TSC compiled with Porffor
Stephen Toub: Migrating the GitHub Copilot runtime to Rust, using Copilot
Typeskell is a cursed project
Burak.dev: The Complete Guide to HOCs in Next.js with React and TypeScript
Interview with OpenTUI https://bsky.app/profile/orhun.dev/post/3mvlg6qrwls2u
Shopify: Native is now the future of mobile at Shopify
Bleet of the Week
XKCD comic: guaranteed to be random
Cool Links
Designing Silicon From Scratch
Dr.Semiconductor - YouTube
Essential Craftsman – absolute gold carpentry tips
Music
Seahorse Dreams by Kubbi (Spotify)
1 hr 8 min
September 17React 19.3, Safari 27 & Chrome 153 Loot Drops, and Cloudflare's New Worker Module Registry | News | Ep 81
News for the week of Sep 7, 2026: new browser loot drops in Chrome 153 and Safari 27, React 19.3 lets you control view transitions, and how Cloudflare rewrote the workers module registry for better Node.js compatibility. From the community: why nobody pays OSS projects, interactively learn Effect, and the motivation behind Zena the Warrior Princ--er, a new programming language inspired by TypeScript.
Partake in the No Sloptober Challenge!
Head to no-sloptober.com to read the manifesto and see if you can challenge yourself to turn off LLMs and AI for October.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Welcome to the Show
(05:11) - Tooling: React 19.3
(08:50) - Tooling: React Compiler is in Vite 8 via oxc
(10:17) - Web Platform: Chrome 153 Brings (Proper) Single-axis Scroll Support
(12:04) - Web Platform: Safari 27 First to Add Import Defer Support
(17:04) - Web Platform: Cloudflare Turns Node Compatibility On By Default
(20:42) - Library Watch: srvquery, Fully-typed Library for Browsing Game Servers
(21:32) - Library Watch: microlighter, Zero Dependency Syntax Highlighter Using CSS Highlights API
(23:15) - Library Watch: mcp-tada, Turn a MCP Client Into a Typed API
(25:22) - Library Watch: upyo, Cross-runtime Email Sender
(26:51) - Community: Laurie Voss Explains How We Can Force Companies to Pay for Open Source
(33:35) - Community: Kit Langton Made an Interactive Intro to Effect.ts
(34:52) - Community: Dan Holloran Advocates for Using the Built-in node:test Runner
(36:45) - Community: Pablo Androetto Ported Thousands of Windows Games to the Browser in Excalibur.js
(38:07) - Community: Dimitri Metropoulos Helps You Solve TS Performance Problems
(39:19) - Community: Hexagon Hunt-and-Kill Maze Using Mazely
(39:48) - Community: Justin Fagnani Explains Why He Made Zena, a TypeScript-inspird Programming Language
(42:12) - Bleet of the Week
(43:02) - Cool Link: Undisputed Authority with Roger Martin
(46:42) - Cool Link: Fresh is a Powerful Terminal Text Editor and IDE
(48:15) - Cool Link: How to Build Weighted Loot Tables
(48:45) - The Minnesota Long Goodbye
News
Tooling: React 19.3
Tooling: What's New: August 2026 from VoidZero
Web Platform: New in Chrome 153
Web Platform: Safari 27 Release Notes
Web Platform: How we rebuilt Cloudflare Workers’ module registry for Node.js compatibility
Library Watch
Srvquery: fully-typed library for browsing game servers
microlighter: zero-dep syntax highlighter using CSS Highlights API
mcp-tada: create typed APIs for a MCP client
Upyo: runtime-agnostic email sending library
From the Community
Laurie Voss: Nobody pays for open source. We can force them to.
Kit Langton: Learn Effect.ts
Dan Holloran: node:test is the test runner you already have installed
Pablo Androetto: Game Preservation
Dimitri Mitropoulos:Solving Your TypeScript Performance Problems - Dimitri Mitropoulos
Wujue: A hexagon hunt-and-kill maze using Mazely
Justin Fagnani: Zena: TypeScript like language
Bleet of the Week
Cool Links
Get the Fresh editor in the terminal
Two Ways to Roll Weighted Loot
Undisputed Authority: Roger Martin
Brett Codes: I'm done using AI
Music
Seahorse Dreams by Kubbi (Spotify)
57 min
September 15Vitest 5, rslib 1.0, and the No Sloptober Challenge | News | Ep 80
News for the week of Aug 31, 2026: Vitest 5's new doctor command and perf enhancements, Rslib is now stable, and Astro 7.3 lets you run multiple preview servers at once. From the community: build circuit boards in React, TypeScript for Ruby devs, and another compile-time crime of implementing Brainf*** in TypeScript types.
Partake in the No Sloptober Challenge!
Head to no-sloptober.com to read the manifesto and see if you can challenge yourself to turn off LLMs and AI for October.
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 you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.
Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters
(00:00) - Welcome to the Show
(05:51) - Personal Challenge: No Sloptober
(10:53) - Tooling: Strongly-typed Normalized File Paths in the TS Codebase
(13:05) - Tooling: Ember for TS 7 Declared Ready
(14:23) - Tooling: Bun 1.4.1 Now Types Import Attributes in TS 7.1 Nightly
(14:49) - Tooling: Vitest 5 Brings Trace View, Doctor, and Temporal Mocking
(17:08) - Tooling: rslib 1.0, like TSDown But Built on rspack
(20:41) - Metaframeworks: Astro 7.3 Can Run Multiple Preview Servers at Once
(21:16) - Security: Outsource Vulnerability Remediation to Cloudflare's Managed Defense
(24:08) - Library Watch: Starlight 0.42
(25:17) - Library watch: HQTUI, a High Quality Terminal UI
(26:08) - Library Watch: tsmc, a TypeScript Runtime Written in minc
(27:27) - Library Watch: tscircuit, React for Electronics
(29:01) - Library Watch: jasypdf, Declarative PDFs in Pure TypeScript
(30:04) - Library Watch: @stdlib/stdlib, Fundamental Numerical Library for JS and TS
(30:24) - Library Watch: RetroImgHandler Can Decode, Validate, Convert, Preview, and Encode Retro Graphics
(31:12) - Library Watch: causewalk, Inner Exception Unwrapping
(33:12) - Library Watch: numpy-ts 1.7.0 is Now Faster Than Native NumPy
(34:12) - Community: Kev Helps Ruby Devs Learn TypeScript
(34:48) - Community: Hugo Wrote Brainf*** in TypeScript Types
(36:23) - Community: How Turbopack Chunks Your JavaScript by Next.js
(36:52) - Community: How Next.js Closed 1500 GitHub Issues in One Month
(38:32) - Community: What's New in Svelte, Aug 2026
(38:52) - Community: David Dal Busco Wrote Two Tiny Utils for the Result Pattern
(40:54) - Community: Matt Pocock Praises Effect.ts for Backends
(41:38) - Bleet of the Week
(42:26) - Cool Link: Bookmarklet to Open a New Tab Next to the Current One
(44:25) - Cool Link: Understanding TETRIS as a Game Developer
(45:59) - Cool Link: Orbliterate! A Game That Uses CAD for Level Design
(47:03) - The Minnesota Short Goodnight
News
TypeScript: Strongly Typed paths example
Ember for TS 7 declared ready
Bun v1.4.1
Vitest 5.0 is out
Rslib 1.0 is out
Astro 7.3 – run multiple preview servers at once
Cloudflare: Introducing context-aware vulnerability discovery and remediation
Library Watch
Starlight 0.42 documentation using Astro
HQTUI: A high-quality terminal UI library
TSMC: A TypeScript runtime written in minc
TSCircuit: React for electronic circuit boards
JASYPdf: Declarative PDFs in pure TypeScript
Stdlib: Numerical and scientific funamental standard library for JS/TS
RetroImgHandler: Encodes, decodes retro graphics
Causewalk: Think inner exception unwrapping
Numpy: 1.7.0 numpy-ts is faster than native Numpy
From the Community
Kev: TypeScript for Ruby devs · codingpaws
Hugo: Brainf*** written in TS types
Next: How Turbopack chunks your JavaScript
Next: How we closed 1,500 GitHub issues in one month
Svelte: What’s new in Svelte: September 2026
David Dal Busco: Two Tiny Utils for the Result Pattern
Effect: Matt Pocock praises Effect.ts
Bleet of the Week
Cool Links
Bookmarklet from Dr. Axel: Open new tabs next to current
Understanding TETRIS As a Game Developer
Orbliterate! uses parametric CAD for levels with TypeScript scripting for game logic
Music
Seahorse Dreams by Kubbi (Spotify)
53 min

About TypeScript.fm - The Friendly Show for TypeScript Developers

From the publisher's feed

The two TypeScript Fools, Kamran Ayub and Erik Onarheim, get together weekly to bring you news, community highlights, and deep dives into the TypeScript ecosystem. Stay up-to-date on what's happening…