TypeScript.fm - The Friendly Show for TypeScript Developers

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 WeekXKCD 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)

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)

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

NewsTypeScript: 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)

News for the week of August 24, 2026: pnpm 12 brings a bunch of quality of life updates, htmx 4 makes attribute inheritance easier, and both Remix and Waku get release candidates. From the community: type-level dice rolls (what!), full-stack type safety for TS and .NET, and committing compile-time crimes.
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

(05:19) - Tooling: TypeScript Repo Migrated to TS 7

(06:31) - Tooling: Ambient Module Declarations for Import Attributes in TS 7

(08:02) - Tooling: Porforr Alpha is Out

(10:21) - Tooling: pnpm 12 Brings a Long List of Updates

(14:37) - Frameworks: Ember is Now Supported in TS 7 Nightly

(15:06) - Frameworks: htmx 4 Released

(19:09) - Frameworks: Remix 3 Release Candidate is Here

(20:50) - Frameworks: Waku 1.0 Release Candidate is Here

(21:53) - Web Platform: WebMCP Challenge by Netlify

(22:48) - Web Platform: Chrome 152 Brings CPU Performance API, Connection Allowlists

(25:54) - Web Platform: Firefox 155, Now with Nintendo Switch Pro Controller Support

(27:45) - Web Platform: Firefox on iOS Can Now Block Ads

(28:02) - Security: Next.js August 2026 Security Releases

(29:19) - Security: Nuxt August 2026 Security Releases

(30:42) - Security: Mini Shai-Hulud on OpenAPI React Query Codegen Packages

(31:44) - Library Watch: minitype, Japanese Language Typesetting

(32:40) - Libary Watch: Joist ORM 2.3, Now with Rails-style Scopes

(33:51) - Library Watch: vgpu, a TypeScript Library for WebGPU

(34:51) - Library Watch: drdice, Deterministic Dice Rolls... in Types

(36:48) - Community: John Reilly's TS Migration Benchmark Harness

(38:43) - Community: Josh Goldberg Interviews Daniel Rosenwasser on TS 7 and What Comes Next

(39:02) - Community: Jake Archibald on Controlling When CSS Custom Properties are Computed

(39:25) - Community: Niklas Bruhn Teaches Us Lean, Explained with TypeScript

(41:58) - Community: Nx on Full Stack Type-safety with .NET

(43:42) - Community: 6 AppSec CTOs Debate Supply Chain Attacks

(44:19) - Community: dearlordylord on Branded Types and the Connascence of Execution

(46:41) - Community: Hugo Vilela Committed Some Compiler-time Crimes

(47:26) - Community: Amin Khansari Talks About Designing with Types

(48:55) - Community: Remo Jansen on RFLCT, Runtime Type Metadata in TS 7

(50:53) - Community: Ghostty in the Browser with gespenst.dev

(51:20) - Community: Jack LaFound Uses TS to Obtain One of the Rarest License Plates

(51:58) - Bleet of the Week

(52:17) - Cool Link: Now THAT's a Big Dragon Game on Steam

(52:41) - Cool Link: Venkat Subramaniam on AI Coding

(55:42) - The Minnesota Long Goodbye

News
Tooling: Main TypeScript repo migrated to TS 7
Tooling: Ambient Module Declarations for Import Attributes (formerly known as Import Assertions)
Tooling: Porforr Alpha is out
Tooling: pnpm 12 gets a bunch of updates!
Ember: supported in TS 7 
htmx: htmx 4.0.0 has been released!
Remix: Remix 3 Release Candidate
Waku: Waku 1.0 (RC) 
Netlify: OpenAI WebMCP Challenge: Build with Netlify 
Chrome: Chrome 152 released
Firefox: Firefox 155.0 releasedPlus: Reduce clutter and distractions with Ad Blocker for Firefox on iOS 

Security CornerNext.js: August 2026 Security Release
Nuxt: Nuxt Security Patch Releases 
Socket: Mini Shai-hulud compromise of OpenAPI packages

Library Watch
Minitype: Japanese TypeSetting in TypeScript 
Joist ORM: Joist 2.3 Released with Rails-style Scopes! 
vercel-labs/vgpu: a TypeScript library for WebGPU  Reminds us of twigl 

dearlordylord/drdice: Type-level dice rolling 
From the Community
John Reilly: Benchmark Harness 
Josh Goldberg w/Daniel Rosenwasser: TypeScript 7 and What Comes Next
Jake Archibald: Controlling when CSS custom properties are computed 
Niklas Bruhn: Lean explained with TypeScript 
Nx: Polyglot monorepos
Secure Disclosure Podcast: 6 AppSec CTOs Debate Open Source Supply Chain Security at Black Hat 
Igor (dearlordylord): Branded types and the connascence of execution 
Hugo Vilela: I Patched the TypeScript Compiler to Add Up Nine Numbers
Amin Khansari: Series: Designing with Types: A TypeScript + Effect Approach
Remo H. Jansen:  RFLCT: Bringing Runtime Type Metadata to TypeScript 7 - DEV Community 
Ghostty in the Browser: gespenst 
Jack LaF...

News for the weeks of Aug 10 and 17, 2026: major version releases from Bun, ElectroBun, SolidStart, and SvelteKit along with Aspire 13.5, which makes TypeScript app hosts generally available. From the community: self-hosted Durable Objects, anti-slop lint rules, hiding internal state in TS objects, and the true cost of AI coding.
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

(05:32) - Tooling: Content Mappers Merged Into TS 7.1 API

(07:20) - Tooling: Bun 1.4, the One with Rust

(10:27) - Tooling: Aspire 13.5, TypeScript App Hosts Now GA

(13:13) - Metaframeworks: SvelteKit 3 Release Candidate is Here

(15:33) - Metaframeworks: SolidStart V2 is Now Stable

(17:24) - Web Platform: celld, Self-Hosted Workers and Durable Objects

(19:02) - Web Platform: Cloudflare Announces $1 Million in Open Source Funding

(20:36) - Web Platform: Node.js Interactive 2026 Talks

(22:37) - Web Platform: Netlify Source for Hosting Git Version Control

(24:20) - Security: Popular Rust Crates Compromised

(25:29) - Library Watch: Slonick, a Node.js Postgres Client

(27:12) - Library Watch: deopt, Analyze Node.js and V8 De-optimizations

(29:15) - Library Watch: Electrobun 2, Now with a Custom Runtime

(35:24) - Library Watch: Anti-slop Lint Rules

(36:54) - Library Watch: yavascript Builds Cross-platform Bash-like Script Runners

(38:46) - Community: Ryan Peterman Interviews Anders Heijlsberg

(39:20) - Community: Matt Pocock Interviews Uncle Bob on Software Fundamentals in the Age of AI

(39:43) - Community: Josh Goldberg Steps Back from OSS

(41:21) - Community: Academind Teaches Us About Self-hosted Durable Objects

(41:32) - Community: Remco Wrote an MDX Content Mapper for TS 7

(42:28) - Community: Feross Aboukhadijeh on How AI Agents Expand the Software Supply Chain Attack Surface

(43:26) - Community: I would like to personally apologize to the creators of TypeScript

(44:50) - Community: Scott Tolinksi on the True Cost of AI Coding

(45:53) - Community: Carlos Menezes on Hiding Internal State in TS Objects

(48:10) - Community: Tommy Rossi's Manifesto on Errors as Values in TS

(49:58) - Community: Brett Codes on How to Make TypeScript and JavaScript Error Handling Better

(50:34) - Community: Tero Piirainen Thinks the Bun 1.4 Rust Rewrite is Not Looking Good

(52:08) - Community: GameDev.js Survey 2026 is Open

(52:32) - Bleet of the Week

(54:04) - Cool Link: Don't Paste the AI

(59:14) - Cool Link: Local-first Landscape

(01:00:34) - The Minnesota Long Goodbye

News
TypeScript: Content Mappers merged into 7.1 branch 
Bun: Bun 1.4 (Video: Bun v1.4 )
Aspire: What's new in Aspire 13.5
Svelte: The SvelteKit 3 Release Candidate is here 
Solid: SolidStart v2 is now Stable
Deno: celld, self-host your own Durable Objects
Cloudflare: Announcing Cloudflare Ambassadors, Community Engineers, and another $1M in open-source funding 
Node.js: Node.js Interactive 2026: A Recap 
Netlify Source: The full power of Git, without the friction: A conversation with Netlify CTO Dana Lawson
Socket: Popular Rust Crates Compromised in Build-Time Supply Chain Attack 
Library Watch
gajus/slonik: A Node.js PostgreSQL client with runtime and build time type safety, and composable SQL
deopt: Analyze Node.js and V8 de-optimizations
Electrobun 2.0 comes with a new purpose-built runtime and CLI
Anti-slop lint rules Biome https://github.com/kualta/anti-slop 
Oxlint https://github.com/dmmulroy/anti-slop 

YavaScript lets you build cross-platform Bash-like script runners
From the Community
Ryan Peterman: Creator of TypeScript: 10x Faster Typescript, Why AI Won't Replace SWEs | Anders Hejlsberg
Matt Pocock: Uncle Bob on Software Fundamentals in the Age of AI 
Josh Goldberg: Stepping Back from Open Source (Mostly) | Goldblog 
Josh Goldberg: https://bsky.app/profile/joshuakgoldberg.com/post/3mtehtwtyrs2i 
Academind: Self-hosted durable objects are pretty interesting! 
Remco: mdx-content-mapper for TS 7 
Feross Aboukhadijeh: How AI Agents Expand the Software Supply Chain Attack Surface 
Reddit: I would like to personally apologize to the creators of TypeScript 
Scott Tolinski: The True Cost of AI Coding 
Carlos Menezes: Hiding internal state in TypeScript objects
Tommy Rossi: Errors as Values in TypeScript
Brett Codes: TypeScript & JavaScript error handling is pretty bad (and how to make it better) 
Tero Piirainen: Bun 1.4 Rust rewrite is not looking good