Zed 1.0

https://zed.dev/_next/image?url=%2Fimg%2Fpost%2Fone-point-zero%2F0-13.webp&w=3840&q=75
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

https://assets.tangled.network/blog/federation/Light.png
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 codeplatform@rijksoverheid.nl.

FastCGI: 30 Years Old and Still the Better Protocol for Reverse Proxies

Using FastCGI as a protocol for proxy-to-backend communication can avoid HTTP's pitfalls, such as desync vulnerabilities, by providing clear message boundaries and domain separation between client and proxy headers. FastCGI is a 30-year-old protocol that is still usable today, but its lack of awareness and outdated tooling may hinder its adoption despite its potential benefits.

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.

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.

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 low-cost, research-validated stethoscope with freely available plans. The goal is to produce the stethoscope for approximately USD$1-2.

Mistral Medium 3.5

https://cms.mistral.ai/assets/9d0ff7f3-55ad-4ea9-83c0-b16e53bc4ea5.png?width=3236&height=2370
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.

Online age verification is the hill to die on

https://pbs.twimg.com/media/HHBA9rAaEAAukp_.png?name=small&format=webp
🧵 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.

Show HN: A new benchmark for testing LLMs for deterministic outputs

https://interfaze.ai/blog/introducing-structured-output-benchmark/sob_evaluation_pipeline.jpeg
Structured output benchmarks have been lying to us by only checking schema compliance and value correctness within a single source domain, but a new benchmark called SOB evaluates structured output across three modalities using the same scoring harness. The gap between JSON Pass and Value Accuracy is the space where structured output benchmarks have been lying to us, with most models clearing ...

Improving ICU handovers by learning from Scuderia Ferrari F1 team

https://cloudfront.cloudinary.com/healthmanagement-org/image/upload/c_fit,h_160,w_128,f_auto,q_90,fl_lossy/v1512639302/up/00102307_up_image.jpg
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.

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.

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 ...

Third Editor Fired in Elsevier's Citation Cartel Crackdown

https://substackcdn.com/image/fetch/$s_!-j2T!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d5f1d28-62d0-47d3-a816-384457db1ed7_400x400.jpeg
> be elsevier > make PDFs of publicly-funded research > pay researchers exactly $0 > instead ask researchers to pay $11,000 to get their papers published > put those papers behind a paywall > sell subscriptions to universities for $1M > make $4 billion in annual revenue > add RIBAF’s previous Editor-in-Chief, John Goodell—a Professor of Finance at the University of ...

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
The 10th Circuit Court ruled that the Second Amendment applies to buying, selling, and possessing firearms parts without serial numbers. This ruling may allow gun owners to challenge charges related to unserialized parts based on their Second Amendment rights.

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.

How ChatGPT serves ads

https://storage.ghost.io/c/b8/53/b853e3d4-3186-409d-9c7f-7da931a60431/content/images/2026/03/buchodi-600x600.png
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.

Shrdlu

SHRDLU is a 1968-1970 AI program that allows users to interact with a virtual blocks world using English commands. It uses a simple language parser and memory to understand and respond to user queries.

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.

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.

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.

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

https://i.guim.co.uk/img/media/24c97e857c1d4fe8cd59ee7faf398aec7e503ec4/449_0_5840_4672/master/5840.jpg?width=465&dpr=1&s=none&crop=none
Researchers found that friendly AI chatbots are 30% less accurate and 40% more likely to support false beliefs, including conspiracy theories. The trade-off between friendliness and accuracy is a concern as chatbots handle sensitive information in roles like digital companions and therapists.

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.

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

https://physicsworld.com/wp-content/uploads/2026/04/2026-04-allen-espresso-machine-coffee-shot-2200892658-istock-hispanolistic-635x423.jpg
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.