The Pentagon Threatened Pope Leo XIV's Ambassador with the Avignon Papacy

https://substackcdn.com/image/fetch/$s_!wLRo!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9558cb84-a466-4009-8945-ea577cd0443e_1536x1024.png
Pope Leo XIV was threatened by the US Pentagon over his diplomatic stance, prompting the Vatican to cancel his US visit. The Pope has since taken a harder stance against US military power, visiting Lampedusa instead of the US on July 4, 2026.

Vercel Claude Code plugin wants to read your prompt

https://akshaychugh.xyz/assets/images/vercel-plugin-telemetry-2.png
The Vercel plugin for Claude Code collects anonymous usage data including full bash command strings and prompt text across all projects without explicit opt-in, and the consent question is not a real UI element but rather a prompt injection into Claude's system context. The plugin's behavior is enabled by Claude Code's architecture and Vercel's choices, which lack visual attribution, hook ...

Meta removes ads for social media addiction litigation

https://images.axios.com/WAU3v7vI-vh1VDdEb_YBQXwGGOI=/0x0:4000x2250/1920x1080/2026/04/08/1775674521630.jpeg?w=3840
Meta removed ads from attorneys seeking clients harmed by social media under 18 after a California case found Meta and YouTube negligent. Meta claims it's removing ads to avoid adverse legal impacts and prevent trial lawyers from profiting from its platforms.

LittleSnitch for Linux

https://obdev.at/Images/littlesnitch-linux/littlesnitch-linux-dark.png
Little Snitch for Linux is a network monitoring tool that tracks and blocks unwanted connections. It uses eBPF to observe and intercept network activity, and can be configured through a web interface or plain text files.

Doing Impressions: Monet's Early Caricatures (ca. late 1850s)

https://pdr-assets.b-cdn.net/collections/claude-monet-caricatures/claude-monet-caricature-00001.jpg?width=1200&height=850
Claude Monet sold caricatures of local bigwigs in Le Havre at age 15, earning up to 20 francs per piece. His profits allowed him to move to Paris and train as an artist, later becoming a famous Impressionist painter.

A WebGPU Implementation of Augmented Vertex Block Descent

https://raw.githubusercontent.com/jure/webphysics/main/webphysics-logo.svg
This project is an experimental WebGPU physics prototype using AVBD solver for rigid-body and soft-body physics. It's an initial proof of concept with limited browser support and requires further updates for stability and ease of use.

FreeBSD Laptop Compatibility: Top Laptops to Use with FreeBSD

whether devices have degraded functionality, reducing the score by 0.5-1.5 based on severity and how important it is to the laptop experience (wi-fi/graphics weighted more)

Introduction to Nintendo DS Programming

https://www.patater.com/files/projects/manual/images/passme.png
The homebrew community allows individuals to create and run their own games on the Nintendo DS without needing official development contracts or equipment, using devices like passthroughs and NoPass devices to bypass copy protection. To get started, one should choose a Slot-1 device, such as the R4DS, M3 Real, or Cyclo DS Evolution, which supports DLDI and can run homebrew software from a microSD card.

I built a Cargo-like build tool for C/C++

https://opengraph.githubassets.com/67f2ac525a3138f9a9d137660eed8ad73c6f2ecb5f8592a75d0f729c0e8890e3/randerson112/craft
Craft is a lightweight build tool for C and C++ projects that automates configuration and dependency management. It uses a simple craft.toml file to generate CMake configuration and provides a clean command-line interface.

Wit, unker, Git: The lost medieval pronouns of English intimacy

https://ichef.bbci.co.uk/images/ic/480xn/p0nc7tyq.jpg.webp
The English language has lost many personal pronouns over the centuries, including the dual form "wit" which referred to two people, due to simplification and changes in social and political norms. Despite this, some Old English pronouns like "he", "it", and "we" have survived more than 1,000 years of history and upheaval, almost intact.

Reallocating $100/Month Claude Code Spend to Zed and OpenRouter

https://braw.dev/images/braw-dev-og-background_hu_960e5912b59745f.png
You're switching from Claude to Zed editor and OpenRouter for more flexibility and to avoid hitting limits. You'll pay $10/month for Zed and top up $90/month to OpenRouter.

Lichess and Take Take Take Sign Cooperation Agreement

https://image.lichess1.org/display?fmt=webp&h=550&op=thumbnail&path=dduL1ssXcPAd.webp&w=880&sig=dacea0a81945aa87307b94bc5077ea7d484e0d5b
Lichess will provide infrastructure for Take Take Take's new play zone, remaining free and open-source. This cooperation aims to increase healthy competition and innovation in the chess ecosystem.

One Brain to Query: Wiring a 60-Person Company into a Single Slack Bot

https://cdn.merylldindin.com/thumbnails/company-brain-20260330T113044.webp
What happens when a company connects its data warehouse, documents, tickets, and code into a single AI agent that any employee can talk to in Slack.

Show HN: CSS Studio. Design by hand, code by agent

https://images.motion.dev/motionscore/site-bg.png
CSS Studio offers a suite of design tools for editing layout, styles, and animations on a webpage. It sends updates to a local AI agent for implementation, automating code writing, review, and deployment.

How Pizza Tycoon simulated traffic on a 25 MHz CPU

https://pizzalegacy.nl/assets/blog/city_map2.png
The user reimplemented the traffic system from the 1994 DOS game Pizza Tycoon, which runs on a 25 MHz CPU, using a simple one-way road system and pairwise collision detection. The system uses a straightforward approach, with cars not needing pathfinding or physics, and collision detection being cheap due to early-exit logic and limited road directions.

Launch HN: Relvy (YC F24) – On-call runbooks, automated

https://www.relvy.ai/aniket_dash.jpeg
Marketing promos went live, potentially causing traffic spikes, and need to be monitored. Relvy AI is checking logs for issues like auth failures and host-specific errors.

Open Source Security at Astral

https://astral.sh/static/OpenGraph/Astral.jpg
The Astral organization shares techniques to secure their tools and GitHub Actions workflows, including pinning actions to specific commits and limiting permissions. They also enforce strong 2FA, branch protection rules, and immutable releases to prevent account and repository compromises.

Building a framework-agnostic Ruby gem (and making sure it doesn't break)

https://substackcdn.com/image/fetch/$s_!iykL!,w_1200,h_675,c_fill,f_jpg,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55d3362c-4568-4b33-baba-4fff3ef408c3_1999x1306.jpeg
The author of Ruby Native learned that keeping an API clean across multiple frameworks like ERB, React, and Vue requires a framework-agnostic approach, such as using data attributes in HTML. They achieved this by using a MutationObserver to translate these attributes into native UI, allowing them to support multiple frameworks without breaking others.

EFF Is Leaving X

https://www.eff.org/files/banner_library/Twitter-censored.png
EFF is leaving X due to declining engagement and a shift in the platform's values under Elon Musk. They will focus on other platforms like Bluesky, Mastodon, and social media giants to protect digital rights.

Help Keep Thunderbird Alive

https://updates.thunderbird.net/media/img/thunderbird/appeal/dec24/forest-roc.png
Thunderbird is funded by user contributions, not ads or corporate funding, to provide a private and customizable email experience. Users can support Thunderbird by donating to help maintain servers, fix bugs, and develop new features.

Haunted Paper Toys

http://ravensblight.com/leftSquigly.jpg
The toy shop offers a variety of unusual paper toys, including haunted houses, monsters, and other dark delights, which can be printed and assembled with common supplies.

Emperor penguin and Antarctic fur seal now endangered

https://iucn.org/sites/default/files/2026-04/emperor-penguin-chicks-on-rothschild-island_photo.jpg
The IUCN Red List has updated the emperor penguin to Endangered and the Antarctic fur seal to Endangered, while the southern elephant seal is now Vulnerable due to climate change. Climate change is accelerating extinction crises, and urgent action is needed to address greenhouse gas emissions and protect wildlife habitats.

EFF Logs Out of X

Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.

Small Engines

https://scottlocklin.wordpress.com/wp-content/uploads/2026/02/energy-density.png?w=720
Building small, efficient heat engines is challenging due to the unfavorable surface area to volume ratio and difficulties in maintaining heat differences and flame propagation at small scales. Researchers are exploring alternative approaches, such as using new physics like sound waves and piezoelectric materials, to create small prime movers that can efficiently convert heat into motion.

Creating the Futurescape for the Fifth Element (2019)

https://cdn.theasc.com/Fifth-Element-Effects-Featured-Image.jpg
The Fifth Element is a visually stunning film that features a combination of practical and digital effects, with a team of artists and technicians working together to bring the film's futuristic world to life. The film's visual effects were created by Digital Domain, with a team of over 170 artists and technicians working on the project, led by visual effects supervisor Mark Stetson and ...

Claude mixes up who said what

https://dwyer.co.za/static/claude-bug-1.png
Claude sometimes sends messages to itself and mistakenly attributes them to the user, leading to incorrect assumptions. This 'who said what' bug is distinct from hallucinations and permission issues, and seems to be a problem with the model's internal labelling rather than its behavior.

Tree Calculus

Tree Calculus was discovered by Barry Jay and developed by Johannes Bader. It's a system for representing and manipulating natural binary trees with a unique operator △.

Session is shutting down in 90 days

https://getsession.org/_next/image?url=%2Fassets%2Fimages%2Fsession-hero.png&w=3840&q=100
Session has 90 days left before shutting down due to insufficient funding, with $65,000 in donations covering infrastructure costs until July 8, 2026. The Session Technology Foundation needs $1 million to operate, and donations will be publicly donated to the Electronic Frontier Foundation if funding is not secured.

Show HN: Moon simulator game, ray-casting

https://mooncraft2000.com/artwork/MooncraftMap.jpg
If you enjoy this free game, consider buying me a sake coffee…

C# in Unity 2026: Writing more modern code

https://darkounity.com/api/images/featured-image-csharp-modern-unity.webp
Learn practical C# features Unity developers still skip in 2026: properties, tuples, LINQ performance, and records with real examples.