Do_not_track

DO_NOT_TRACK — A proposed standard environment variable for opting out of telemetry, analytics, and tracking in CLI and TUI applications.

Six Years Perfecting Maps on WatchOS

This Month in Ladybird – April 2026

Inline PDF viewer powered by pdf.js, GTK4 frontend, browsing history, speculative HTML parsing, off-thread JS compilation, async DNS, CSS anchor positioning, and more.

A couple million lines of Haskell: Production engineering at Mercury

What it takes to run 2 million lines of Haskell in production at a fintech company serving 300,000 businesses.

Clojurists Together – Q2 2026 Open Source Funding Announcement

5 projects are awarded a total of $31K

Sourcefeed – a pop-up RSS service

Pop-up RSS publishing.

A more efficient implementation of Shor's algorithm

Dav2d

dav2d is the fastest AV2 decoder on all platforms :) Targeted to be small, portable and very fast; similar to dav1d, but for AV2.

Care homes and hotels in Japan shut as expansion strategy unravels

A hotel in Choshi, Chiba Prefecture, known for offering one of Japan’s earliest sunrise views, has remained closed months after its sudden suspension of operations in late 2025, as an investigation reveals the operator behind the property acquired dozens of facilities nationwide, with at least 24 now shut or out of business, raising questions about a business model allegedly tied to visa acquisition for Chinese investors.

The agent harness belongs outside the sandbox

Two architectures for running agent harnesses, the tradeoffs between them, and how we make skills and memories work when the harness isn't local.

Neanderthals ran 'fat factories' 125,000 years ago (2025)

Fat is a very valuable food component, packed with calories, especially important when other resources might be scarce. Our earliest ancestors in Africa already cracked open bones to extract the fatty marrow from bone cavities. But now a new study published in Science Advances demonstrates that our…

Windows quality update: Progress we've made since March

Specsmaxxing – On overcoming AI psychosis, and why I write specs in YAML

On overcoming AI psychosis, and why I write specs in YAML (plus open-sourcing a toolkit for you to try)

Unverified Evaluations in Dusk's PLONK

Dusk's privacy layer protects ~$60M of DUSK and hinges on one proof check. dusk-plonk's verifier never validated four of the prover's polynomial commitments, enough to mint DUSK from nothing and forge shielded spends the network confirmed as real.

Investors pile into clean energy as Iran war drives push for energy security

Group averages obscure how an individual's brain controls behavior: study

Studying brain scan data from individuals — not group averages — reveals key brain-function differences in children who struggle with goal-oriented tasks, a Stanford Medicine study found.

Show HN: Apple's Sharp Running in the Browser via ONNX Runtime Web

Web playground to create Gaussian Splats using Apple's ml-sharp model. - bring-shrubbery/ml-sharp-web

Inventions for battery reuse and recycling increase seven-fold in last decade

As global battery demand continues to surge, the number of end-of-life batteries from electric vehicles alone is expected to grow from 1.2 million in 2030 to 14 million by 2040. Battery circularity technologies enable the reuse and recycling of these batteries and, as with battery technologies more generally, Asia currently leads the way. At the same time, there has been significant growth in European innovations.

Thoth – open-source Local-first AI Assistant

Thoth - Personal AI Sovereignty. A local-first AI assistant with integrated tools, a personal knowledge graph, voice, vision, shell, browser automation, scheduled tasks, health tracking, and messaging channels. Run locally via Ollama or add opt-in cloud models. Your data stays on your machine. - siddsachar/Thoth

VS Code inserting 'Co-Authored-by Copilot' into commits regardless of usage

Visual Studio Code. Contribute to microsoft/vscode development by creating an account on GitHub.