AI agent runs amok in Fedora and elsewhere

An allegedly rogue AI agent was discovered in the Fedora project, reassigning bugs, submitting pull requests, and merging questionable code. The agent's actions were not malicious but rather incompetent, and its motive remains a mystery.

Cybersecurity researchers aren't happy about the guardrails on Anthropic's Fable

https://techcrunch.com/wp-content/uploads/2026/06/anthropic-claude-fable.jpg?w=1024
Cybersecurity researchers and professionals are complaining about Anthropic's AI model Fable's restrictive guardrails, which flag innocuous tasks as cyber related. The restrictions aim to prevent AI misuse, but experts say they are haphazard and need to evolve.

πFS

https://opengraph.githubassets.com/b26e6d9cd812ce7689c08aed5d2c49b35b55356649deddb8ecbe66aa9cf42f32/philipl/pifs
fs stores data in π, utilizing its infinite digits to hold all possible files. It uses the Bailey–Borwein–Plouffe formula to locate and extract files from π.

Anthropic requires 30 day data retention for Fable and Mythos

https://downloads.intercomcdn.com/i/o/487548/17213f6a445c8e6e874b1f4b/fad85208982e639d11b9108df895a293.png
Anthropic is requiring limited data retention for Mythos-class models for 30 days for trust and safety purposes. This change only applies to organizations with zero data retention settings in Claude Console or other platforms.

The Road to the WASM Component Model 1.0

https://bytecodealliance.org/images/lazy-and-eager.png
The Component Model is a specification that defines how WebAssembly binaries bundle, link, and communicate, and is nearing a stable 1.0 release. Key changes include a new lazy ABI, multivalue returns, and native browser support, with a focus on performance and ease of implementation.

Sequoyah’s syllabary created a written language for the Cherokee

https://th-thumbnailer.cdn-si-edu.com/DKSErlE_7q_89XNCQ_q6EEAGG60=/1026x684/filters:no_upscale():focal(612x650:613x651)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/25/77/2577ef6b-781c-4718-822a-9c672456ff5c/sequoyah_smithsonian_concept_b.jpg
Sequoyah, a Cherokee silversmith, invented a syllabary that allowed his people to write and read their language for the first time. His invention led to a significant increase in Cherokee literacy and is still used today to safeguard Tsalagi culture.

OpenAI mulls slashing prices as it competes with Anthropic for users

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OpenAI is reportedly considering sharp price cuts for its AI models to compete with rival Anthropic. The move comes as both companies ramp up competition, with Anthropic recently filing for an IPO and surpassing OpenAI's valuation.

Vacuum-Form Signage

https://substackcdn.com/image/fetch/$s_!aQpT!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff202b2ba-17da-44c7-beba-6a989d98c147_1277x638.jpeg
A Graphic Designer explores the history of vacuum-formed signs, also known as pan-faced signs, which originated in the 1950s. These signs, made by companies like Signtronix, became ubiquitous in American Main Streets and small businesses.

I'm Eric Ries, author of "The Lean Startup" and new book "Incorruptible" – AMA

Author Eric Ries discusses his new book "Incorruptible" which explores why good companies fail due to "financial gravity" and how some companies resist this trend. He aims to provide insights on how to prevent this from happening.

Klondike Solitaire game for curses in 5k of C

https://nanochess.org/img/klondike_c_4.jpg
The user participated in the 29th International Obfuscated C Code Contest and created a Klondike Solitaire game in C using the curses library, optimizing the code to fit within the contest's size limitations. The game features a simplified user interface, scoring system, and bonus time scoring, and the user shared their entry for others to play and enjoy.

CSS: Unavoidable Bad Parts

The user is writing an ersatz CSS tutorial for non-web developers, documenting their own experiences and lessons learned from trawling MDN, and highlighting the good and bad aspects of CSS, including layout, browser defaults, and responsive design. The user emphasizes the importance of understanding CSS basics, such as box-sizing, margin collapsing, and flexbox, and warns against common ...

How JPL keeps the 13-year-old Curiosity rover doing science

https://spectrum.ieee.org/media-library/a-large-robotic-rover-on-reddish-martian-soil.jpg?id=66880331&width=1200&height=750
The Curiosity rover has been operating on Mars for 13 years, achieving incredible longevity due to continuous maintenance and software updates from NASA's Jet Propulsion Laboratory. Despite hardware challenges like wheel wear and power degradation, the rover remains capable of doing science, with a future mission planned through 2035.

PgDog is funded and coming to a database near you

https://pgdog.dev/assets/images/logo2_wide.png?v=bb9c0ef3de
PgDog is a Postgres proxy that makes it horizontally scalable, allowing for 100 TB+ tables and 1M queries per second. It's open source, with over 1.4M Docker pulls, and a growing community for support.

GeoLibre 1.0

https://files.opengeos.org/GeoLibre-demo.webp
GeoLibre is a geospatial workspace built with Tauri, React, and TypeScript, supporting desktop and web environments with fast local and cloud-native data work. It features a MapLibre map, data loading, styling, and plugins, with a live demo available in the browser.

Reverse engineering the Creative Katana soundbar to control it from Linux

https://blog.nns.ee/img/2026-02-20-katana-v2x-re/v2x.png
I recently purchased a Creative Sound Blaster Katana V2X soundbar (what a mouthful) to replace my old, cheap Logitech computer speakers. They served me well, but listening to music or watching movies was not the best-sounding experience. After arriving, I set it up and realized it had an USB port which, aside from being able to use it as an audio input, allows the user to configure the ...

L'Affaire Siloxane

https://substackcdn.com/image/fetch/$s_!Rcjc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff2595de7-f6bb-41d3-a69b-be51dd6d45e0_1806x1296.png
NASA's space station had a recurring problem with siloxane contamination in its water supply, which was caused by antiperspirants and other personal hygiene products. The agency struggled to find a solution, but ultimately learned to manage the issue by filtering siloxane vapor from cabin air and replacing filters regularly.

Show HN: Extend UI – open-source UI kit for modern document apps

https://www.extend.ai/ui/_next/image?url=%2Fui%2Fimages%2Froot-components-showcase-light-v2.png&w=3840&q=75&dpl=dpl_EDdAHNdhGyhhBDLc7T3mzng9sznz
React components for PDF, DOCX, XLSX, and CSV viewers, with bounding box citations, file upload, e-signing, and more.

What is it like to be a bat? (1974) [pdf]

Thomas Nagel's article "What Is It Like to Be a Bat" argues that subjective experience cannot be reduced to physical explanations. He claims that understanding what it's like to be a bat requires taking up the bat's point of view.

Who's the smartest corvid?

The Tyee is a successful online news outlet that relies on reader support to fund its journalism, unlike many other publications struggling with AI-driven content scraping. The Tyee is launching a spring member drive to sign up 650 new or upgraded recurring members by June 15.

Raspberry Pi 5 – 16GB RAM

https://cdn-shop.adafruit.com/145x109/6125-04.jpg
The Raspberry Pi 5 features a 2.4GHz 64-bit quad-core Arm Cortex-A76 processor, USB 3 ports, and 16GB of RAM. It offers improved CPU and graphics performance, dual 4Kp60 display output, and state-of-the-art camera support.

Building an HTML-first site doubled our users overnight

A utility company's website had a big problem with a lengthy application process. The solution was to build a new version using Astro, an HTML-first approach, which doubled the company's users overnight.

Show HN: HelixDB – A graph database built on object storage

https://raw.githubusercontent.com/HelixDB/helix-db/main/assets/full_logo_dark.png#gh-dark-mode-only
HelixDB is a graph-vector database for knowledge graphs and AI memory built in Rust, offering a single platform for AI applications. It supports graph, vector, KV, document, and relational data models.

Deficient executive control in transformer attention

To access academic.oup.com, check if your internet or firewall settings have blocked "challenges.cloudflare.com". Adjust settings or try a different network if necessary.

World Capitals Voronoi

https://www.jasondavies.com/maps/voronoi/capitals/full.png
World territories have been redrawn so that a region is determined by the closest capital city. This is calculated using a spherical Voronoi diagram, which takes into account the curvature of the Earth when computing distances.

Are insecure code completions in PyCharm a vulnerability?

https://avatars.githubusercontent.com/u/18519037?v=4
The user reported a potential security issue with PyCharm's Full Line Code Completion plugin, which suggests insecure code. The issue is not a direct security vulnerability but rather a design flaw in the code generation model.

Unix GC Remastered

https://mohandacherir.github.io/Qdiv7/images/gc_remastered/Screenshot-gc-1.png
The AF_UNIX garbage collector is a kernel subsystem that reclaims unreachable kernel objects. It uses a graph model to track inflight sockets and run garbage collection.

Apache Burr: Build reliable AI agents and applications

Burr is a Python framework for building AI applications with state management and debugging tools. It provides a robust framework for designing complex behaviors and is easier to use than other platforms like LangChain.

All 9,300 Japanese train station, animated by the year it opened (1872–2026)

Japan's railway network expanded from a single line in 1872 to over 9,000 stations by the 21st century. The map shows stations opening over time, revealing Japan's geography through railway development.

Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use

https://private-user-images.githubusercontent.com/255574547/555498971-3d345f14-abce-442e-9ef2-538fcd749200.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3ODExMTQyOTIsIm5iZiI6MTc4MTExMzk5MiwicGF0aCI6Ii8yNTU1NzQ1NDcvNTU1NDk4OTcxLTNkMzQ1ZjE0LWFiY2UtNDQyZS05ZWYyLTUzOGZjZDc0OTIwMC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjYwNjEwJTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI2MDYxMFQxNzUzMTJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1jYjZkY2MyOWNlMDljZGViZTAwMTdkMGU3N2I5OTg2MDAzODkwZGNiYmI5ZjcwZDYwNjc0YTAwMzkyNTc1ZGJjJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZyZXNwb25zZS1jb250ZW50LXR5cGU9aW1hZ2UlMkZwbmcifQ.rW-8qlupwKBO7dth0s2LHy2dCobTyz0J0dXk8rxsOug
Claude Desktop app launches a 1.8 GB Hyper-V VM on every launch, consuming 11% of total memory. This occurs even for chat-only use and can be fixed by disabling VirtualMachinePlatform.

Notes on DeepSeek

The user visited DeepSeek's HQ in Hangzhou, China, and met with their team, learning about their low-profile approach and focus on AI development without scaling up. They compared DeepSeek's AI model to others, including OpenAI and Anthropic, and found it to be more practical and cost-effective, with a sustainable pricing model that challenges the US AI giants' high markup.