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Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.

• overwhelmed by the response to this, I knew it was common but didn’t realise how badly people needed to see it acknowledged. fwiw, I learnt this most deeply on the react team; I joined what I thought was my dream job, and immediately failed in this fashion, leaving in a year.
  Quoting@threepointonenew post: the senior engineer death spiral https://t.co/xzgU1jVBRh a friend just started a big job and asked for some advice. so I braindumped a monologue about a super common failure mode I see with engineers and posted it here, hope it helps whoever it can.

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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.

• Looks like some JavaScript framework benchmarks I've seen actually
  Quoting@maria_rckswhat are we even testing anymore

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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• team decided to go all in on react. i never touched frontend stuff except for lit (don't @ me). perfect timing. thanks @odysseus0z !

  tj-zhang.com

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Engineer at Vercel Labs as of 2026. Ships a steady stream of small developer tools — agent-browser, portless, json-render, native-sdk, the v0 SDK — and lists every one of them at ctate.dev.

• New in scriptc: --𝚗𝚙𝚖-𝚜𝚝𝚊𝚝𝚒𝚌 Compile npm packages alongside your TS → One executable → Native machine code → No Node.js or JS engine This Commander example builds to 544KB

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Aeronautical engineer and former fighter pilot; analyses aircraft design and airline economics at Leeham News.

• Bjorn’s Corner: Aircraft Structures Part 19. Liquid Composite Molding

  By Bjorn Fehrm • Aerospace Analyst September 18, 2026 Last week we looked at dry fiber layup methods that use a binder to tack fabrics or the tape in an AFP/ATL system to the previous ply, creating a...

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Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.

• [1/2] https://actionnetwork.org/letters/tell-congress-pause-the-data-center-boom?nowrapper=true https://stallman.org/actionnetwork-letter-instructions.html US citizens: call on your congresscritter and senators to support a bill to for a moratorium on construction of data centers I suggest you eliminate the term "AI" from your letter. You might say "pretend intelligence" instead. See the instructions for how to sign this letter campaign without running any nonfree JavaScript code--not

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• https://actionnetwork.org/letters/data-center-ndas?nowrapper=true https://stallman.org/actionnetwork-letter-instructions.html US citizens: call to ban NDAs about plans to build data centers. See the instructions for how to sign this letter campaign without running any nonfree JavaScript code--not trivial, but not hard.

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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• It's likely that more software will be produced next year than in all of the history of computing. It took Vercel 10 years to get to 1 billion deployments, but then we added another 1.4 billion in the last 10 months alone. Some of this will be tiny, personal and even disposable software. An HTML file with some javascript ("artifacts"), a report, a pricing calculator, a slide deck, all the way to sophisticated apps, agents and platforms. Deployment speed is one of our obsessions. We've brought down the time to deploy, upload, assign a domain and globally propagate an artifact to 1 second. This…
  Quoting@vercel_devYou and your coding agent can now use the CLI to deploy static artifacts in less than one second. ▲ ~/ vercel deploy ./my-static-site --prod

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Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.

• https://actionnetwork.org/letters/tell-interior-department-and-the-national-park-service-yosemite-is-not-for-sale?nowrapper=true https://stallman.org/actionnetwork-letter-instructions.html US citizens: call on the Interior Department and the National Park Service not to privatize part of Yosemite for the sake of a business. See the instructions for how to sign this letter campaign without running any nonfree JavaScript code--not trivial, but not hard.

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Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.

• vite-react-template — Starter template React with Vite, React, Base UI, StyleX, TanStack, Vitest, and Testing Library. ⚡️

  Commitschore: update dependencies · chore: remove experimental flag from oxfmt config · chore: remove tsgolint

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Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.

• https://actionnetwork.org/letters/tell-fortune-500-ceos-give-workers-paid-time-off-to-vote?nowrapper=true https://stallman.org/actionnetwork-letter-instructions.html US citizens: call on Fortune 500 CEOs to Give Workers Paid Time Off to Vote. See the instructions for how to sign this letter campaign without running any nonfree JavaScript code--not trivial, but not hard.

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Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.

• Pretty incredible how the skills repo by @mattpocockuk is only 6 months old, and has more stars than the React one. We had to sit down and talk. Timestamps: 00:00 Intro 05:48 How Matt got into tech 10:14 How Matt got into open source 12:58 Joining Vercel 18:39 Total TypeScript 23:21 AI’s impact on technical education 30:32 Building reusable skills for AI coding agents 40:46 The “smart zone” vs the “dumb zone” 45:02 The wayfinder skill 47:52 Why agents excel at software engineering 50:54 “Leading words” 1:01:10 Learning the fundamentals 1:09:17 Local vs. cloud agents 1:12:36 Planning vs. cours…

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Author and clean-energy analyst who writes on solar cost curves.

• Under-appreciated point. We have some suggestive evidence that (at least today) adding more AI agents or reasoning has a steeper rate of diminishing returns than adding more humans. Homogeneity in identical AI agent thinking may be part of why this is.
  Quoting@iamtrasknit: when someone says 10,000 agents they really mean 1 model pursuing 10,000 threads/contexts in parallel. it's not the same diversity of thought as 10,000 people.

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Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.

• Urgent: Raise the Wage Act

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Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.

• A new fast_float release... fast_float is a super fast number parser in C++ (used by GCC, MySQL, your browser...). The latest release adds support for parsing numbers following the JavaScript standard, so things like 05.1 can be accepted (!!!).

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Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.

• how did we go from it writing bad react to killing us in like 7 months
  Quoting@JoeJBentonI left Anthropic's safety team two weeks ago. Now feels like a good moment to explain why. AI companies are racing to build machines that are much smarter than any human, and we may not survive this. I want to work from the outside to ensure the public is informed about these risks, and help the wo…

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Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.

• Yep. Except: 1. This was about important internal tools. The team was stuck in some architecture nightmare of their own doing (writing it in rails but headless, with graphql api, and a SPA react app, constantly needing frontend engineers for changes). I call this kind of thing 'cosplaying an enterprise production app'. All that complexity was in the way and using straight rails was perfect in that case. 2. I make calls like this all the time. Usually someone on the team asks me to. They see what needs to happen but don’t want to be the bad guy. I’m happy to just make the call if I agree with…
  Quoting@ErfanEbrahimniajust leaving this here

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Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.

• beginner-javascript — Slam Dunk JavaScript

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Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.

• another implication of AI manifesting in real world engineering react native existed for a single reason which was to reduce the development and maintenance cost of multi-platform mobile apps. they allow you to write a single codebase (kind of) that can work on both ios and android, with a tech stack that many web devs are already familiar with but with AI being particularly good at mechanically repeating something that already exists, replicating one platform's implementation to another has become trivial in general LLMs can write a ton of code at very low cost, especially when there's a sou…

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• anti-slop — Opinionated Oxlint rules for rejecting low-evidence TypeScript and JavaScript patterns

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Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.

• StyleX (@stylexjs) is currently a hot topic. If you need a React project boilerplate that comes ready with StyleX and shadcn-style composable UI components, you can visit this repository:

  github.com

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Founder and chief executive of Replit. Previously an engineer at Facebook and Codecademy. Writes essays on programming, philosophy and entrepreneurship at amasad.me.

• Honored to have the Mayor of London, Sadiq Khan, help us open Replit’s first international office in London! I’ve really appreciated the Mayor’s approach to AI, it feels very similar to ours. He calls himself an AI realist: clear-eyed about the disruption AI will create, but optimistic about the impact if we give people the tools and skills to participate in the coming revolution. That’s exactly how we think about it at Replit. AI is going to transform work, so we have to make sure far more people can use it to create, build businesses, and access new opportunities. It’s also why, as we estab…
  Quoting@MayorofLondonLondon shares Replit’s vision of a world where everyone can benefit from the opportunities of the AI age. I was delighted to open their first international office in King's Cross. It speaks to the extraordinary optimism coming from every corner of our capital’s booming tech sector.

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• ansible-role-nodejs — Ansible Role - Node.js

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• You can now share replays of your runs after you die: https://t.co/bQqDrwbaBj Also, you can use this web component https://t.co/4tdyXOIucp to play with this. Like write bots in javascript.
  Quoting@tobiI always liked nethack. This 42 year old marvel is one of the deepest adventure games ever made. It also looks like crap, at least out of the box. GPT6 Astra made a headless version for me. You can now use its brain as a library or as mcp or via javascript library. Meet

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• i built a codex-native that maps your psychology about technological change and then tells you how you'd react to different eras of technology change throughout history

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• I always liked nethack. This 42 year old marvel is one of the deepest adventure games ever made. It also looks like crap, at least out of the box. GPT6 Astra made a headless version for me. You can now use its brain as a library or as mcp or via javascript library. Meet

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• Bluesky provides a mobile web view that runs great on my four-year-old phone and never pushes me to download an app. That is special and appreciated and I hope it continues.

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• What do we do if moats are getting shallower? How should tech companies respond? moats are getting shallower. Used to be that you would build software and you build these really deep moats around it, make it very hard for customers to switch. but AI is increasing the power of the customer, making customers much more powerful because they can easily switch from one to the other. so how should you react if you're a tech company? If you think of the moats analogy, there are two types of ways of aligning your army: - You could be aligning your army to DEFEND, in which case you're building moats,…

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• lite.js — Miscellaneous lightweight tools and utilities in JavaScript

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• it's under appreciated how good photo editing is today thanks to AI: remove these people. demo using @reve app

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Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.

• The new Go JSON API: twice as fast, or 1.5x slower?

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• A simple "copy this code" button in JavaScript

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• ShortAbsolutely loving these liquid gooey effects for React UI by Jakub Antalík! 💧 #Shorts

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• @brettcodes.bsky.social appreciated watching your video on why you stopped using AI. Recently talked with Casey Muratori who also doesn't use it. Could I message you somewhere? Or you can also send me DM.

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• Cool stuff I found on the internet lately: https://t.co/7GEFXLCKjz - Ride along with anything in the sky https://t.co/TjFvxyaSzB - Animated icons for React https://t.co/vmx6GxjRyZ - An interactive atlas of India https://t.co/bfhqMu2JRl - What is this UI element called?

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• next-portfolio-dev — A portfolio for developers (Next js version)

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Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• vscrui — A React components library for building webview-based extensions with React in Visual Studio Code.

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• sonner — An opinionated toast component for React.

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• got that sweet new fiber up and running. forever ruined now

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Pseudonymous writer; posts careful, funny investigations of everyday questions — air quality, seed oils, arguing, chess — usually by reading the studies.

• Whichever scraper is going through my blogposts, one-by-one requesting 50-100 copies of each at the same time, once per hour, while pretending to be referred from Google and running javascript and not blocking goatcounter: Why are you doing that?

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Programmer known for LiveJournal, memcached, OpenID and gearman; worked on the Go programming language at Google and later joined Tailscale.

• koffer — my 1997 high school German project (a Java applet game) ported to JavaScript

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London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.

• beta.aztechcoworks.in — Solla Mudiyadhu. Romba periya idea.

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• Hi Sandy, I hope you’re well. I have appreciated the recent discussions. I do not agree with your framing. Regarding piracy, DOOM is a complicated example because shareware was the model. DOOM’s first episode was designed to be freely copied, passed around, uploaded, installed, and played. That enormous unpaid audience was not the same thing as piracy. It was part of how DOOM reached the world. By the mid-90s, DOOM had something like 20 million shareware installs and more than 2 million paid copies sold. Those 20 million people were not “pirates” by default. A huge number of them were playing…
  Quoting@SandyofCthulhu@GameStalgiaX F*ck pirates, as a man who designed video games from 1988 through 2012. 70-90% of Doom's players pirated it. If not for that we would literally have had so much more for our workspace and upcoming projects - Quake may not have gutted id Software. At least 50% of Age of Empires was pir…

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Indian software developer working with React and TypeScript; writes and publishes a newsletter at sreetamdas.com.

• tanstack-rsc-hmr-co-located-serverfn-repro — Minimal repro: TanStack Start RSC route component doesn't HMR when its file has a co-located createServerFn (root cause vitejs/vite-plugin-react#1248)

  Commitsrsbuild lane: same app under rsbuild Fast Refreshes fine — bug is vite-only · minimal repro: TanStack Start RSC route component doesn't HMR with a co-located server fn

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Indian software developer working with React and TypeScript; writes and publishes a newsletter at sreetamdas.com.

• 👋 Will be speaking at React Nexus this year on something I've been really enjoying lately 🤫
  Quoting@ReactNexusWe’re super excited to announce that @_SreetamDas, @summy_dev, and @tapasadhikary will be speaking at React Nexus 2026!

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General partner at Andreessen Horowitz from 2013 to 2018 and CTO of Coinbase from 2018 to 2019; co-founder of Counsyl and Earn.com. Wrote The Network State (2022), free in full at thenetworkstate.com, and founded the Network School.

• Unfortunately, I completely agree that the United States of America is rapidly descending into all-out conflict between left and right. The Luigi left, Kirk killers, anti-Tesla terrorists, and Altman attackers are already in shoot-on-sight mode against conservatives, libertarians, and technologists. The right isn’t there yet; they’re called reactionaries because they only react, so they’re always one cycle behind. Thus, the left has already started shooting while the right is still “only” mirroring the lawfare of last decade’s left. But anyone can see how incandescently angry the American rig…
  Quoting@romanhelmetguyGonna try to explain this to tech CEOs again: Young Americans are pissed. They feel betrayed. Half have embraced the far right & want to cut off your access to cheap foreign labor. The other half have embraced the far left & want to cut off your head. One side will win. Choose.

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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.

• match-sorter — Simple, expected, and deterministic best-match sorting of an array in JavaScript

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Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.

• Testing Vue components in the browser

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Software developer and entrepreneur; co-founder of Heroku, author of The Twelve-Factor App, and a researcher at Ink & Switch.

• Been using Zero for a mid-sized personal app, syncing to both a React web front end and an Expo iOS app. Fast, easy to use, reliable. Recommended.
  Quoting@aboodmanZero to 1.0 After two years of work, 50+ releases, thousands of commits, and hundreds of bugfixes, we are officially declaring Zero stable and ready for production workloads.

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Indian software engineer working on Android and React; writes about his setup and side projects at ishubhamsingh.dev.

• shipdoc — README + Changelog generator for GitHub repos

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Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.

• txjs-1997 — This is the source code for the 1997 Texas JavaScript conference home page.

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

• JSMin — JavaScript Minification Filter

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JavaScript programmer; creator of the jQuery library, author of Secrets of the JavaScript Ninja, and long-time engineer at Khan Academy.

• Hard to believe it's been 20 years... incredible! And so much has changed since then. JavaScript has moved from a fun lang dabbling in apps (Ajax) to something that has changed all of software engineering (Node, TypeScript). An amazing adventure 🚀
  Quoting@jqueryOn January 14, 2006, 20 years ago today, @jeresig introduced a new JavaScript library that came to be known as jQuery.

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Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.

• doitanyway — doitanyway

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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• Infinite Footguns: Writing a JavaScript Interpreter in JavaScript

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Design engineer; formerly at Linear and Vercel; author of Sonner and Vaul; teaches animations.dev.

• vaul — A drawer component for React.

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Free software developer; maintainer of sway, wlroots, aerc and scdoc, and founder of the SourceHut (sr.ht) software forge.

• A better future for JavaScript that won't happen

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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• Patching Claude Code for debugging and /cost support for Max users

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Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.

• Poltergeist: The Ghost That Keeps Your Builds Fresh

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Release engineering manager at the Wikimedia Foundation. Keeps a public log at tylercipriani.com of every book he reads, with a rating and notes.

• Popped in to see my local ISP today and came away with a grab bag full of goodies. I love municipal fiber

  tylercipriani.com

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Moroccan senior frontend developer writing at smakosh.com; builds side projects and client work under Smakosh LLC.

• vibecoded-tetris — A modern, web-based design tool built with React, TypeScript, and Canvas API. Create, edit, and manipulate shapes, text, images, and freehand drawings with a professional Figma-lik…

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Creator of Claude Code at Anthropic.

• undux — ⚡️ Dead simple state for React. Now with Hooks support.

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Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.

• guitars and javascript - the case for jank

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Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.

• A Perplexing Javascript Parsing Puzzle

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Programmer and teacher; writes on software, learning and the web, and makes the Coding Blocks video course.

• I wish your bespoke React-Tailwind-etc static site generator had RSS

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French software engineer, public speaker and fully remote nomadic worker; writes about frontend development at maxpou.fr.

• I just completed the State of JS 2024. Turns out I missed some recent features from JavaScript!

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

• JSCheck — A random property testing tool for JavaScript

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Front-end developer and writer on Svelte, Vue, CSS and WordPress; blogs at joshcollinsworth.com.

• pass-the-pigs-2 — A new version of my "Pass the Pigs" scorekeeper app from ~2019 React to modern SvelteKit.

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Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.

• Importing a frontend Javascript library without a build system

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Research scientist at Anthropic; co-creator of the Variational Autoencoder and, with Jimmy Ba, of the Adam optimizer, two of the most widely used tools in deep learning.

• What are, according to you, the most interesting or most under-appreciated applications of VAEs? Please share below. Links appreciated. (I'm building a list for future reference.)

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Indonesian fullstack engineer, speaker and instructor; writes about JavaScript, SvelteKit and Linux tooling at kalwabed.com.

• spotboooks-be — A progressive Node.js framework for building efficient and scalable server-side applications.

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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• react-postgres-components — An experiment on deploying remote functions that run inside Postgres using v8

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American software engineer; worked on code-server at Coder and teaches TypeScript and open-source contribution. Publishes at joeprevite.com.

• ShortHow I Find Time to Workout as an Engineer #javascript

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• JSON-js — JSON in JavaScript

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

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Researcher on distributed systems and local-first software at the University of Cambridge; wrote Designing Data-Intensive Applications.

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

• app.js — JavaScript application packager

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

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