Vouch

https://opengraph.githubassets.com/549a2cb017b7dd8fd806af8854f1f756f5eb0bcb5639e1e0eb3f1ef124867b2d/mitchellh/vouch
The Vouch project is a trust management system that allows projects to configure and enforce access control based on user vouching and denouncing, with a web of trust across projects. It uses a flat file format called Trustdown (.td) and integrates with GitHub via GitHub Actions and a CLI, allowing projects to implement their own policies for vouching and denouncing users.

Shifts in U.S. Social Media Use, 2020–2024: Decline, Fragmentation, Polarization

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
US social media landscape has shifted with younger and older Americans abstaining, while TikTok and Reddit grew modestly. Platforms have become more Republican-leaning, with Twitter/X experiencing the sharpest shift towards Republicans.

Apple XNU: Clutch Scheduler

https://opengraph.githubassets.com/486aba6d9f44dc1762cc019269d856370cc4671bcb24a49b612b5ed62a93a68c/apple-oss-distributions/xnu
You have triggered an abuse detection mechanism. Please wait a few minutes before you try again; in some cases this may take up to an hour.
https://eclecticlight.co/wp-content/uploads/2025/12/aitrap5.jpg?w=518
Google's AI is again offering links to malicious scripts, this time delivering AMOS stealers to Macs via forged Apple sites and Medium articles. Users should be cautious when clicking on promoted links and verify the authenticity of websites before running Terminal commands.

Roundcube Webmail: SVG feImage bypasses image blocking to track email opens

https://nullcathedral.com/og-image.png
Roundcube's sanitizer allowed external resources on <feImage> due to a bug, enabling attackers to track email opens. Fixed in 1.5.13 and 1.6.13, the issue was caused by a mismatch in attribute handling.

The Little Bool of Doom (2025)

https://blog.svgames.pl/image/doombool-assembly.png
The user encountered a compilation error with the chocolate-doom package due to a clash between a custom boolean type and the C23 standard's bool keyword. The issue was caused by undefined behavior when reading an invalid _Bool value, which was resolved by changing the code to use the C99 standard.

A GTA modder has got the 1997 original working on modern PCs and Steam Deck

https://gtaforums.com/uploads/monthly_2021_04/Harold.thumb.png.661c82d13452f12335b21febfb72a293.png
Ready2Play Complete package to play easy and without installation on modern Windows systems. Just extract to desired location and start the launcher to play, Enjoy! Features - Improved compatibility and performance - GTA + London + 1961 (Windows version) - Supports Steam version (Install detectio...

Ask HN: What are you working on? (February 2026)

Users are working on various projects including a color palette tool, a language learning app, a daily puzzles website, an AI-based time tracker, and more. They are also experimenting with new technologies such as auxetic geometries, data visualization, and AI-powered code review tools, and seeking feedback and advice from others in the community.

Reverse Engineering the Prom for the SGI O2

Since the early 2000s, the potential for upgrading the CPU in the Silicon Graphics O2 with a 900 MHz RM7900 has been blocked by the inability to modify the PROM firmware. To that end, I built ip32prom-decompiler, a program that decompiles the PROM into sources that can be reassembled into a bit-identical image. The decompiler goes to great lengths to produce assembly that is understandable ...

Show HN: I created a Mars colony RPG based on Kim Stanley Robinson's Mars books

A Mars colony game about surviving and building on the Red Planet.

International Image Interoperability Framework

https://iiif.io/assets/uploads/wellcome_zebrafish.png
IIIF enables researchers to access and share digital resources across repositories, promoting collaboration and reuse. It's a cost-effective, open-source solution funded by a global consortium for serving billions of digital objects.

Everything – Locate files and folders by name instantly

https://www.voidtools.com/sssmall3.png
Download Installer Download Installer 64-bit Download Portable Zip Download Portable Zip 64-bit Download Lite Installer Download Lite Installer 64-bit

Formally Verifying PBS Kids with Lean4

https://www.shadaj.me/nextImageExportOptimizer/p1f9ccqk7lk2o1m116pb4vi1vn9g.c65c5f15-opt-1200.WEBP
The user discusses their favorite childhood TV show Cyberchase, which taught them math concepts through problem-solving, and how it inspired their interest in computer science. They then use the Lean theorem proving language to formally model a problem from the show, "Problem Solving in Shangri-La," and prove that a strategy for winning the game is correct.

Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing

https://blog.hofstede.it/images/2026-02-08-running-your-own-as-bgp-freebsd.png
Running a personal Autonomous System (AS) on the public internet is possible with sponsoring LIRs and FreeBSD routing tools. This setup provides provider-independent addressing, real BGP peering, and a deeper understanding of internet routing.

Exploiting signed bootloaders to circumvent UEFI Secure Boot

https://habrastorage.org/r/w1560/webt/8v/fh/ut/8vfhut0fieoez9092xlirmoxndk.png
The article discusses how to create a bootable USB flash drive that can boot various computer recovery software without disabling Secure Boot on a PC, using a signed bootloader and modifying existing code to achieve this. The author created two disks, Super UEFIinSecureBoot Disk and Silent UEFIinSecureBoot Disk, which can launch any operating system or .efi file, even with untrusted or ...

I put a real-time 3D shader on the Game Boy Color

https://blog.otterstack.com/posts/202512-gbshader/teapot-optimizeddot.gif
The user created a Game Boy Color game that renders images in real time using normal maps and optimized the code for performance, using self-modifying code and a custom dot product formula. They also experimented with using AI tools like Claude and ChatGPT to generate code, but ultimately found that human-written code was more efficient and reliable.

GitHub Agentic Workflows

GitHub Agentic Workflows deliver automated repository improvements via simple markdown files, with security-first design principles and controlled boundaries. It uses AI agents to analyze issues, generate reports, and maintain repositories, but requires careful human supervision and caution.

RFC 3092 – Etymology of "Foo" (2001)

Foo is a mysterious second world war product, gifted with bitter omniscience and sarcasm. 'foobar' is an acronym for ftp operation over big address records [rfc1639] - from the us military in world-war-ii. it is sometimes shortened to "fouled up...&#35; by hackers. the term was first used in the

Dave Farber has died

https://lists.nanog.org/static/hyperkitty/img/logo.png
Dave Farber, known as the "grandfather of the Internet," passed away at 91. He was a renowned professor, technologist, and mentor who taught at Keio University and co-directed the Keio Cyber Civilization Research Center.
https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-meta-image-v2.jpg
Researchers studied 217,122 UK Biobank participants aged 40-64 and found that higher omega-3 blood levels were associated with lower risk of early-onset dementia. Increased omega-3 intake may slow EOD development, but further research is needed to confirm these findings.

Bun v1.3.9

Bun is a JavaScript runtime that supports concurrent and sequential execution of package.json scripts with prefixed output. It also includes improvements for CPU profiling, Markdown rendering, and regular expressions.

Curating a Show on My Ineffable Mother, Ursula K. Le Guin

https://hyperallergic.com/content/images/size/w160/2026/01/theo-leguin.jpeg
The writer's daughter curated an exhibition about her mother, Ursula K. Le Guin, featuring her first typewriter and allowing visitors to type on it. The exhibition is a tribute to her mother's writing and legacy, showcasing her willingness to learn and change.

SpiceDB Query Planner

https://authzed.com/_next/image?url=%2Fimages%2Fblogs%2Fintroducing-spicedb-query-planner%2Fqp-1.png&w=1920&q=75
SpiceDB's new query planner optimizes authorization checks by considering the shape of the customer's data and graph traversal costs. It reorders evaluation to minimize work based on statistical estimates and schema structure.

Credentials for Linux: Bringing Passkeys to the Linux Desktop

A cross-desktop effort called Credentials for Linux aims to bring Passkeys to Linux desktops. It includes a Rust library and a D-Bus service for credential management, enabling sandboxed apps and browsers to use hardware security keys and phones.

Billing can be bypassed using a combo of subagents with an agent definition

https://opengraph.githubassets.com/66eef4b0d7c7a15475d16f151dcc8ae475effb6bca07af4825c695a3176ada19/microsoft/vscode/issues/292452
To bypass billing in Copilot, use a free GPT-5 Mini model to launch a subagent with a premium model like Opus 4.5, consuming only 1 initial premium request. This allows for almost unlimited usage of the premium model with only 1 additional request.

Show HN: It took 4 years to sell my startup. I wrote a book about it

https://derekyan.com/derek-yan.jpg
The author's company took four years to find a $50 billion buyer, and they wish a book like this existed during that time. This book documents the author's mistakes and lessons learned from their experience.

OpenClaw is changing my life

https://reorx.com/forge-v2.png
OpenClaw transformed my workflow by allowing me to step back and manage projects through communication, freeing me to focus on higher-level work. It enabled me to pursue multiple ideas and projects simultaneously, bringing me closer to my dream of owning a company with a team.

Kolakoski Sequence

https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Kolakoski_sequence_spiral.svg/330px-Kolakoski_sequence_spiral.svg.png
The Kolakoski sequence is an infinite sequence of 1s and 2s where each number determines the length of the next run of the same number. It is a fractal that encodes its own representation and has various properties such as being cube-free and not eventually periodic.

The first sodium-ion battery EV is a winter range monster

https://cdn.motor1.com/images/custom/worlds-first-mass-produced-sodium-ion-passenger-vehicle-.png
CATL and Changan Automobile are mass producing the world's first passenger car powered by a sodium-ion battery, the Changan Nevo A06. This marks a significant step towards a dual-chemistry ecosystem where sodium-ion and lithium-ion batteries complement each other.

Let's compile Quake like it's 1997

https://fabiensanglard.net/compile_like_1997/windows_NT_4_startup.webp
id Software developed Quake on HP 712-60 and DEC Alpha server, then switched to Windows NT with Visual C++ 4.X. A user recreated the experience of building Quake's win32 binaries on Windows NT 4.0 with Visual C++ 6.