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Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• So freaking cool! We're running Omarchy ads in the center of Copenhagen on Rådhuspladsen this week. Design by @Dennis_Rye and funded by @sonderby 👏 There's even a billboard generator available if you want to do this in your city:

  github.com

  Quoting@Dennis_RyeOmarchy week has started in Copenhagen! Thank you @sonderby for collaborating and helping fund this. And thank you @dhh for letting Peter and I do something crazy. @OmarchyLinux

  OmarchyRelated

Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.

• #curl 8.23.0 release candidate one is up: https://curl.se/rc/ Please take it for a spin and double-check that it works just as smooth as you would expect. Do not use release candidates in production. They are work in progress. Use them for testing and verification only. Use actual releases in production.

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Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• Sweet mother of acceleration: the latest turbocharging of Omarchy in the lab has now broken the insane 10 second mark!!! And before you ask, the pursuit of excellence requires no justification! We will keep pushing until stopped by the laws of physics.

  OmarchyRelated

• Great to welcome @OrcaRouter as a Distinguished Patron with a $150,000 donation to the Strategic Token Reserves for Omarchy! We're going to put their new OrcaCyber Zero 1.0 model to great use with our security and kernel work 🤘

  omarchy.org

  OmarchyRelated

• Omarchy Dragon is our new official team for working on making Omarchy run beautifully on @Qualcomm Snapdragon computers 🐲

  omarchy.org

  OmarchyRelated

Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• Another week, another haul for Omarchy! Thank you so much to @briancartmell for joining as a Distinguished Patron with $100,000, to @americancloudco for the $25,000, and to all open patrons for DOUBLING their donations to $120,000!!

  omarchy.org

  OmarchyRelated

American historian of Central and Eastern Europe and the Holocaust; author of Bloodlands, On Tyranny and On Freedom, and writer of the newsletter 'Thinking about...'.

• Oligarchy, Neo Fascism, and Liberation

  Lesson ten in my lecture series

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Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.

• "for months on end now, most of our teams have just been triaging bugs and coordinating releases. It has truly taken all the fun out of the job"

  blog.nlnetlabs.nl

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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.

• Here's what OpenAI's agentic software factory looks like, today. It's surely not token efficient, but eg agents "babysitting" releases to prod is something new, and an interesting approach. Details:

  newsletter.pragmaticengineer.com

  OpenAIRelated

Technology writer and podcaster; former Macworld editor-in-chief, writes Six Colors and hosts podcasts on Relay FM and The Incomparable.

• New Upgrade: The 27 OS releases have dropped. Jason has a review of macOS Golden Gate and Myke acts as the ambassador for Siri AI. And we've also got more reactions to just what makes the iPhone Duo so interesting.

  relay.fm

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Brazilian-American staff software engineer working on platforms, AI and developer productivity. Writes about engineering and his setup at ivansantos.me.

• Omarchy on ProxMox, great way to try it out!

  OmarchyRelated

Entrepreneur and founder of Blueprint. Publishes a detailed, freely available longevity protocol documenting the food, supplements, devices and measurements he uses on himself.

• I frequently lay on top of Kate with all of my bodyweight. The deep pressure calms her nervous system, quiets racing thoughts, and releases oxytocin which lowers cortisol. We call it GLP-Bryan.

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Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• omarchy-giants-theme — Standing on the shoulders of giants — a warm sepia-on-paper dark theme for Omarchy

  OmarchyRelated

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.

• something very interesting is happening i’ve been monitoring user sentiment on new model releases and i have now seen 3 latest frontier models in a row where a significant amount of users chose to roll back to use a previous version 1. opus 5 - very negative feedback in general can’t communicate. eager to jump into conclusions without sufficient context. keeps making mistakes it even earned its own website now https://t.co/51pCa0F6KS (it’s really funny) many people (myself included) abandoned opus 5 and went back to 4.6 and 4.8 2. gpt 6 astra seeing more and more people reporting going back t…

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Mac and iOS developer at the Iconfactory, where he has worked on apps including Twitterrific and Tot. He writes about development at furbo.org.

• This is your yearly reminder to figure out which test devices are going to stay on the older OS releases, and which ones get the new one. You may or may not want to disable beta updates on the newer releases, too. This weekend is a good time to do it, because we'll all be busy next week.

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Author of Shape Up; formerly head of strategy at Basecamp, where he worked on product design for seventeen years; now runs Felt Presence.

• Fully on board on Omarchy. Feels like the early web days again, playing in a new medium. I have a Mac Mini and BeeLink side by side on my desk. Only time I plug the monitor back into the Mac is for Zoom calls. Haven't found a way to see faces while sharing the entire screen yet.

  OmarchyRelated

Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.

• Datasette 1.0a39 and 0.65.4 security releases - https://t.co/r9Avn79J8d We ran an extensive audit using Claude Fable 5.1, GPT-5.6 Sol and GPT-6 Astra, then fixed a range of different bugs. If you're running a Datasette instance on a public website you should upgrade.

  AnthropicOpenAIRelated

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

• Omarchy plugins to help my cmd tab addiction. Reimplemented the Mac OS app and space switcher.

  OmarchyAddictionRelated

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.

• I have to admit, I have zero excitement about this latest flurry of new model releases I am sure they are all better, but the existing ones were more than good enough, and I'm learning how much to trust those existing ones... and already they do more than I can utilize them (for writing code)

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Author of Shape Up; formerly head of strategy at Basecamp, where he worked on product design for seventeen years; now runs Felt Presence.

• Hit the “Ferrari” feeling in Omarchy today after changing lots of keybindings. The next thing is the deep and sudden potholes. Eg looking for images in the file browser compared to Mac. But then the “we can fix everything” song plays and you think… maybe this too.

  OmarchyRelated

Creator of Homebrew, the macOS package manager, and a Swift developer.

• AppUpdater — Automatically update open source macOS apps from GitHub releases. Full support for attestations.

  open sourceRelated

Co-founder and CEO of 37signals, makers of Basecamp and HEY; co-author of Rework, Remote and It Does Not Have to Be Crazy at Work.

• Another Basecamp update today! Now activity is condensed at the top of a project, and fully expanded at the bottom. Such a great way to just know what's been happening, daily, all the way back to day one. Simply scroll. Not on Basecamp yet? WHAT ARE YOU WAITING FOR? Dumping Mac OS for Omarchy? Keep up the momentum... Dump that pile of "the usual" work tools and replace them with Basecamp. Revolution's in the air my friends.

  OmarchyRelated

Programmer, musician and author of The Passionate Programmer; organised RubyConf and RailsConf and has worked as a CTO.

• x.comThis album comes out this Sunday. It's one of the most meaningful releases of my music career. Something for everyone here I hope. ♥️

  mahakalamusic.bandcamp.com

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• BlueskyThis album comes out this Sunday. It's one of the most meaningful releases of my music career. Something for everyone here I hope. ♥️

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Software engineer and engineering leader at Canonical, working on Ubuntu; writes about his homelab, Nix and tooling at jnsgr.uk.

• releasegen — Generates a JSON report about Github and Launchpad releases for specified teams

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Technology writer and podcaster; former Macworld editor-in-chief, writes Six Colors and hosts podcasts on Relay FM and The Incomparable.

• On this day of all days, here’s my earliest photo of Tim Cook, and of course @Pschiller is there too! Plus some other guy. This is October 2008, in which Tim presented the new Mac releases!

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Co-founder and CEO of 37signals, makers of Basecamp and HEY; co-author of Rework, Remote and It Does Not Have to Be Crazy at Work.

• Just built my first Omarchy plugin! This also happens to be the first piece of software I've ever made solo entirely with AI. Back-and-forth over English and nothing else. So two firsts for me. Super fun experience. Here's a quick little tour. Hope you dig it.

  OmarchyRelated

Programmer, musician and author of The Passionate Programmer; organised RubyConf and RailsConf and has worked as a CTO.

• @nandi.uk you've finally pushed me over the line with nix. Doing something crazy (localfirst Omarchy alternative)

  OmarchyNixRelated

Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.

• Here's my conversation with @DHH. He is back for round 2! It was an epic fun 5 hour conversation about the future of programming, AI, Linux, and human civilization. It's here on X in full and is up everywhere else (see comment). Timestamps: 0:00 - Episode highlight 1:27 - Introduction 2:56 - Programming with AI agents 18:14 - How software will change 27:30 - AI impact on open source 37:21 - Building Omarchy Linux distro 47:05 - Vibe coding vs agentic engineering 1:00:06 - The end of manual programming 1:10:24 - Advice for programmers 1:22:30 - Surviving Internet Hate 1:31:46 - Programming set…

  OmarchyLinuxRelated

Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• omarchy-zonda-zoom-theme — A cool, carbon-black Pagani Zonda theme for Omarchy

  OmarchyRelated

• omarchy-diablo-dreams-theme — A dark, golden-brown Lamborghini Diablo theme for Omarchy

  OmarchyRelated

Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.

• data center road trip // day 4-5 the AI backlash is bipartisan & showing up in politics in a big way - Abdul El-Sayed brought Bernie and AOC to rally with him in Lansing. all 3 decried AI oligarchy (Bernie with the longest spiel) - in WI, DSA member Francesca Hong is leading the Dem governor’s primary. she hopes to win rural conservatives as the only candidate backing a data center moratorium - a canvasser for Will Lawrence in MI7 told me that 90% of the doors she knocked on Saturday named data centers as a top issue these are purple battleground states, yet pollsters are finding Dems and Rep…
  Quoting@jasminewsunI’m spending the next week driving around Wisconsin and Michigan to get a firsthand view of the data center buildout and backlash am visiting sites, talking to tons of people — tradespeople, activists, planners, residents — then writing up a story lmk what questions I should dig into!

  data centersRelated

Investor and writer. Previously a partner at Andreessen Horowitz and a product leader at Twitter, Facebook, Snap and Microsoft. Writes essays and memos at sriramk.com.

• The Odyssey

  I was fortunate to be at the world premier of Christopher Nolan’s The Odyssey a few days ago. I was asked to hold reviews until the movie releases but allowed to post reactions so will try to tread that line. The toplin…

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Software architect and futurist; founded ClariNet, chaired the EFF, and has written about robocars for two decades.

• Waymo Releases Apples-To-Apples Incident Data, It Speaks To Regulation

  Topic:  Robocars Tags:  forbes More data for better comparisons are good. Now everybody has to do it, and regulators and the public have to learn to look at only the data, and not individual incidents

  self-driving carsRelated

AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).

• My Workflow for Understanding LLM Architectures

  A learning-oriented workflow for understanding new open-weight model releases

  LLMsRelated

Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• Panther Lake is the real deal

  Intel really delivered with Panther Lake. A 2026 Dell XPS 14 using this chipset with an IPS screen can hit just 1.4 watts of idle power draw on Omarchy. That's good enough for over 47 hours!! And in real-world mixed use…

  OmarchyRelated

AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).

• A Dream of Spring for Open-Weight LLMs: 10 Architectures from Jan-Feb 2026

  A Round Up And Comparison of 10 Open-Weight LLM Releases in Spring 2026

  LLMsRelated

Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.

• BlueskyHey, psst, you can find early views for two upcoming guest videos on Patreon, one about statistical mechanics and another covering a story of modern art and group theory. Notes on early releases are always helpful before finalizing a video.

  patreon.com

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• x.comHey, psst, you can find early views for two upcoming guest videos on Patreon, one about statistical mechanics and another covering a story of modern art and group theory. Notes on early releases are always helpful before finalizing a video.

  patreon.com

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Co-founder and chief science officer of Hugging Face; writes about open models and where he thinks the field is wrong.

• A few words on DeepSeek new releases. Links are: - github.com/deepseek-ai/... - github.com/deepseek-ai/... - github.com/deepseek-ai/... and the Ultra-Scale Playbook at

  huggingface.co

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