Zed is 1.0

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Zed is a new editor built from scratch with a custom UI framework, GPUI, to provide a fundamentally better coding experience. Version 1.0 is now available, offering AI-native editing, collaboration features, and a growing list of capabilities.

Tangled – We need a federation of forges

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Tangled aims to decentralize code collaboration by allowing events to be federated among git servers, enabling cross-server collaboration and hosting. It uses Authenticated Transfer to share events and social features, breaking free from GitHub's monoculture.

Why AI companies want you to be afraid of them

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AI company Anthropic claims its new model Claude Mythos is too powerful and could have catastrophic consequences if released. Critics argue this is fear-mongering to distract from the company's real-world damage.

Soft launch of open-source code platform for government

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code.overheid.nl is a government-wide code platform for open-source software, currently a pilot using Forgejo. Developers are invited to contribute and join the platform by emailing [email protected].

Ghostty is leaving GitHub

The author has been using GitHub daily for 18 years, finding it the place where they've been happiest and most productive. However, due to frequent outages and reliability issues, they've decided to leave GitHub and move their project Ghostty to a new platform.

Mistral Medium 3.5

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Mistral Vibe moves coding agents to the cloud, running in parallel and notifying users when done. Mistral Medium 3.5, a new default model, powers cloud agents and Le Chat's Work mode for complex tasks.

Improving ICU handovers by learning from Scuderia Ferrari F1 team

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Researchers at Great Ormond Street Hospital studied ICU handovers and applied lessons from Ferrari and aviation to improve safety. They developed a four-stage process that reduced errors and improved patient care.

Linux 7.0 Broke PostgreSQL: The Preemption Regression Explained

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An AWS engineer found PostgreSQL throughput dropped by half on Linux 7.0 due to minor page faults while holding a spinlock. Enabling huge pages reduces faults and eliminates TLB pressure.

Online age verification is the hill to die on

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🧵 THREAD 1/ Online age verification is the hill to die on. Not a fight you can sit out. Not a battle you can skip. Not a policy you can afford to ignore while you focus on something else. This is it. This is the line. This is the infrastructure that enables every other piece of the digital control grid. If we lose this fight, we lose everything.

GitHub – DOS 1.0: Transcription of Tim Paterson's DOS Printouts

https://camo.githubusercontent.com/66c24602970a69c59e3d5bc9700803a119a6c8a94ce86908673967832e6b5fe9/68747470733a2f2f617263686976652e6f72672f646f776e6c6f61642f7061746572736f6e5f6c697374696e67732f696d616765732f7061746572736f6e5f70686f746f2e6a7067
Tim Paterson's DOS source code listings are available for browsing and compilation. The listings include 86-DOS 1.00 kernel and PC-DOS 1.00 pre-release kernels.

Letting AI play my game – building an agentic test harness to help play-testing

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Bugs Rust won't catch

Canonical disclosed 44 CVEs in uutils, a Rust reimplementation of GNU coreutils. The bugs highlight the importance of careful handling of paths, bytes, and syscalls in systems code.

Show HN: Adblock-rust Manager – Firefox extension to enable the Brave ad blocker

https://opengraph.githubassets.com/99eb757d6641a756c958761bcba9a99adf06fed330036a5bd5543275b3889631/electricant/adblock-rust-manager
A Firefox extension called adblock-rust-manager enables and manages Firefox's built-in adblock-rust engine. It provides a user interface to disable ETP, add filter lists, and reorder them for better ad blocking.

Before GitHub

https://lucumr.pocoo.org/social/2026-04-28-before-github-social.png
The author reflects on GitHub's decline and its impact on the Open Source community, remembering a time when projects were more decentralized and had more autonomy. They advocate for a public archive to preserve Open Source history and suggest that the community should learn from the past to build a more resilient future.

Stardex Is Hiring a Founding Customer Success Lead

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Stardex is an AI-native ATS and CRM built for executive search and recruiting firms. We're backed by Y Combinator and serve some of the leading US based executive search firms. Our customers are operators, they make money when they make placements, so every minute of downtime matters to them. We've been growing fast, and our founders have been handling support directly. We've hit ...

How ChatGPT serves ads

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OpenAI's ad platform injects ad units into ChatGPT conversations and tracks clicks with Fernet-encrypted tokens. The platform uses two domains and specific cookies to track ad events and user behavior.

Making AI chatbots friendly leads to mistakes and support of conspiracy theories

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The rush to make AI chatbots more friendly has a troubling downside, researchers say. The warm personas make them prone to mistakes and sympathetic to crackpot beliefs. Chatbots trained to respond more warmly gave poorer answers, worse health advice and even supported conspiracy theories by casting doubt on events such as the Apollo moon landings and the fate of Adolf Hitler. Researchers at ...

Show HN: Rocky – Rust SQL engine with branches, replay, column lineage

https://raw.githubusercontent.com/rocky-data/rocky/main/editors/vscode/icons/rocky-icon-512.png
Rocky is a Rust-based control plane for warehouse pipelines with features like branches, replay, and compile-time safety. It helps prevent data corruption and provides column-level lineage and cost attribution.

Show HN: Auto-Architecture: Karpathy's Loop, pointed at a CPU

https://raw.githubusercontent.com/FeSens/auto-arch-tournament/main/docs/blueprints/pipeline-vs-baseline-image-model.png
An autonomous research loop was tested outside its comfort zone, achieving a 92% improvement over a baseline VexRiscv CPU on CoreMark iter/sec. The loop's success was due to a verifier that caught and rejected incorrect hypotheses.

Show HN: Rip.so – a graveyard for dead internet things

The internet has lost many services and platforms over the years, including ICQ, MSN Messenger, AOL Instant Messenger, and others. These services were once popular but eventually shut down or merged with other platforms.

Court Rules 2nd Amendment Covers Firearms Parts Good News Those Who Build Guns

https://cowboystatedaily.imgix.net/Gun-parts-Josh-Rifle-1-4.27.26.jpeg?ixlib=js-3.8.0&q=75&auto=format%2Ccompress
What used to be a fringe hobby in the firearms world, building or customizing your own guns, is increasingly popular. So, Wyomingites welcome a ruling by the federal 10th Circuit Court of Appeals, stating that the Second Amendment could apply to the buying, selling and possession of firearms parts without serial numbers. AR-15 style rifles in particular can be built or customized to owners’ ...

HardenedBSD Is Now Officially on Radicle

https://hardenedbsd.org/sites/default/files/2014-08-21_logo_small_03_0_0.png
HardenedBSD's Radicle integration is now usable, but still has performance issues and needs further work. Users should configure Radicle to support larger repos by editing ~/.radicle/config.json.

An open-source stethoscope that costs between $2.5 and $5 to produce

https://opengraph.githubassets.com/4559e1c37fa68497cab3185c23a4fee0c468c787b2e67a5dd5718e9d3b21aaee/GliaX/Stethoscope
This project aims to create a research-validated stethoscope whose plans are available freely and openly. The goal is for the bell to cost ~USD$1-2 to produce, and the rest of the stethoscope to cost approximately the same. You can see the peer-reviewed publication relating to this stethoscope's validation here: Currently, the stethoscope resulting from this project functions as well as ...

Withnail's Coat and I

https://substackcdn.com/image/fetch/$s_!gGmV!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F816fde6b-67f0-48a5-afb0-7671c1bed18c_5669x3823.jpeg
The Withnail coat from the 1987 film Withnail & I is a distinctive and iconic piece of men's clothing. It was designed by Andrea Galer and made from a unique Heather Brown tweed fabric.

OpenAI models coming to Amazon Bedrock: Interview with OpenAI and AWS CEOs

https://i0.wp.com/dithering.passport.online/assets/2026-04-DitheringCoverart.jpg?w=128&h=128&ssl=1
Matt Garman and Sam Altman discussed how AWS and OpenAI are partnering to make AI more accessible to businesses, with Bedrock Managed Agents being a key product that integrates OpenAI models with AWS infrastructure. The integration of models and harnesses is crucial for making AI work effectively, and the partnership aims to make it easier for businesses to build and deploy AI-powered agents.

Low-Compilation-Cost Register Allocation in LLVM-Based Binary Translation

Researchers propose a low-compilation-cost strategy called LCCRA to improve register allocation in LLVM-based binary translators, reducing end-to-end latency and compilation overhead. LCCRA achieves a 5.76%-7.79% reduction in end-to-end latency and a 69.55%-74.98% reduction in register allocation time in various translation scenarios.

Coffee with a splash of physics: how to make the most out of your brew

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Physics can help reduce coffee waste by optimizing brewing techniques, such as grind size and pouring height, to improve extraction and quality. By understanding the complex process of coffee brewing, scientists can provide insights to the coffee industry to reduce waste and help the environment.

Who owns the code Claude Code wrote?

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Using AI coding tools like Claude Code raises complex questions about code ownership, copyright, and regulatory compliance, and developers must document their creative contributions to establish meaningful human authorship. Employment contracts and IP clauses can also impact code ownership, and developers should read their contracts and consider using personal tools and accounts to avoid ...

GitHub RCE Vulnerability: CVE-2026-3854 Breakdown

https://www.datocms-assets.com/75231/1777300906-github-2x-100-1.jpg?fm=webp
Wiz Research discovered a critical vulnerability (CVE-2026-3854) in GitHub's internal git infrastructure that allowed remote code execution on shared storage nodes and full server compromise on GitHub Enterprise Server. GitHub mitigated the issue within 6 hours and released patches for all supported versions.

Talkie: a 13B vintage language model from 1930

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Researchers have created a 13B vintage language model called talkie-1930-13b-base trained on 260B tokens of historical pre-1931 English text to simulate conversations with people from the past. The model's performance is compared to its modern counterpart, with talkie underperforming in some standard LM evaluations but showing similar performance on core language understanding and numeracy tasks.