Sabotaging projects by overthinking, scope creep, and structural diffing

https://kevinlynagh.com/newsletter/2026_04_overthinking/shelf.jpg
You're attending Babashka Conf on May 8 and Dutch Clojure Days on May 9. You're considering building a tool for semantic diffing in Emacs, after being dissatisfied with difftastic.

SDL Now Supports DOS

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This is the combined work of @icculus @madebr @glebm @jayschwa @ccawley2011 and me rounding it off with stability fixes and missing features, thanks to everyone for pitching in. This is a fairly c...

I Cancelled Claude: Token Issues, Declining Quality, and Poor Support

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The user had a good experience with Claude Code initially but encountered issues with poor quality responses and unhelpful customer support. They eventually cancelled their account due to scaling problems and poor handling of new customers.

DeepSeek v4

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The DeepSeek API uses OpenAI/Anthropic compatible format and can be accessed with an API key. Model names will be deprecated on July 24, 2026.

OpenAI releases GPT-5.5 and GPT-5.5 Pro in the API

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OpenAI released several new models and features including GPT-5.5, GPT Image 2, GPT-5.4 mini and nano, and Sora API updates. The company also added support for new tools, features, and APIs such as reusable character references, longer generations, and video extensions.

Different Language Models Learn Similar Number Representations

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Language models learn periodic features with dominant periods at T=2, 5, 10. Models acquire geometrically separable features from complementary co-occurrence signals or multi-token addition problems.

How to be anti-social – a guide to incoherent and isolating social experiences

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Assume others' intentions are malicious or ignorant, trust intuition, and pivot conversations to avoid weakness. Exploit your network, present curated details, and dismiss detractors' credentials unless agreeing with them.

CSS as a Query Language

The author discusses how CSS can be used as a query language to do things other than layout web pages, and proposes a new language called CSSLog that combines CSS with Datalog to allow for recursive queries and transitive closure. CSSLog would allow for more complex queries and styles, but it's unlikely to be implemented in browsers due to its potential for infinite loops and fixpoint semantics.

SFO Quiet Airport (2025)

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San Francisco is a ‘quiet airport.’ They limit announcements, background noise and marketing. It’s been that was since 2018, and during Covid they used some of the downtime to push the project forward. The airport targeted gate announcements, overlapping PA messages, and tenant music. Instead of blasting departure calls terminal-wide, messages are limited to each gate and their immediate ...

I'm done making desktop applications (2009)

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The author, a software developer, has decided to abandon desktop app development in favor of web apps due to their superior sales, ease of development, and customer support. The author's experience with Bingo Card Creator, a desktop app turned web app, has shown that web apps offer better conversion rates, lower customer support costs, and more opportunities for experimentation and improvement.

Spinel: Ruby AOT Native Compiler

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Spinel compiles Ruby into native executables with significant speedups. It uses whole-program type inference and generates optimized C code.

Physicists revive 1990s laser concept to propose a next-generation atomic clock

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Diatec, known for its mechanical keyboard brand FILCO, has ceased operations

https://i.gzn.jp/img/2026/04/24/filco-diatec/00_m.png
Diatec Co Ltd has ceased operations and closed down its business. The company's products, including the FILCO Majestouch series, are no longer available.

Show HN: Browser Harness – Gives LLM freedom to complete any browser task

https://camo.githubusercontent.com/82e250e7e7cefde5667bdcf52412b6caefab2c4d5cceaf6b1bf10833cd88f68d/68747470733a2f2f72322e62726f777365722d7573652e636f6d2f6769746875622f616a73646c61736e6e616c736761736c642e706e67
A self-healing browser harness gives LLM complete freedom to complete tasks directly on Chrome with no framework or rails. It's free, supports 3 concurrent browsers, and can be contributed to with new domain skills.

US special forces soldier arrested after allegedly winning $400k on Maduro raid

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US soldier Master Sgt Gannon Ken Van Dyke was arrested and charged with stealing and misusing classified information after allegedly betting $32,000 on Venezuelan President Maduro's capture and winning $400,000. He faces five criminal charges and a related civil complaint from the Commodity Futures Trading Commission.

Norway Set to Become Latest Country to Ban Social Media for Under 16s

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The operating cost of adult and gambling startups

Building an online casino or 18+ project is often driven by short-term goals and can be stigmatized, making it hard to find investment, employees, and reliable payment providers. Success in such a niche can be difficult to translate into a positive reputation outside of it.

Mounting tar archives as a filesystem in WebAssembly

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We can mount a tarball directly in memory without copying by generating a metadata file that lists file sizes and offsets, then using Emscripten's WORKERFS. This approach avoids unnecessary copying and improves performance, especially in memory-constrained environments.

Redesigning the Recurse Center application to inspire curious programmers

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The author of RC is rewriting their application to better inspire and filter applicants. They added new questions to give a sense of what RC is like and to help identify successful Recursers.

Hear your agent suffer through your code

https://raw.githubusercontent.com/AndrewVos/endless-toil/main/assets/endless-toil.png
To use Endless Toil, install it from the marketplace, restart Codex if needed, and invoke the plugin in a new thread. It plays escalating human groans as it scans code, printing results if an audio player is unavailable.

An update on recent Claude Code quality reports

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Claude's responses worsened for some users due to three separate changes affecting Claude Code, the Claude Agent SDK, and Claude Cowork. We've fixed the issues and will implement changes to prevent similar problems in the future.

CC-Canary: Detect early signs of regressions in Claude Code

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Drift detection for Claude Code, packaged as two installable Agent Skills. Reads the JSONL session logs Claude Code already writes to ~/.claude/projects/, detects whether the model has been drifting on your own work, and produces a shareable forensic report. No network, no account, no telemetry, no background daemon. Runs on the data already on your disk. Window defaults to 60d. Accepts 7d / ...

Machine Learning Reveals Unknown Transient Phenomena in Historic Images

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers used machine learning to identify transient objects in historical astronomical plates and found a significant increase in transients near nuclear testing dates and a decrease in Earth's shadow. Results support the existence of an unrecognized population of transient objects.

Bitwarden CLI compromised in ongoing Checkmarx supply chain campaign

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Bitwarden CLI 2026.4.0 was compromised through a GitHub Action in its CI/CD pipeline as part of the Checkmarx supply chain campaign. Users are advised to review CI logs and rotate exposed secrets.

GPT-5.5

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OpenAI releases GPT-5.5, a more intelligent and efficient model that can handle complex tasks. GPT-5.5 excels at coding, research, and everyday work on a computer, providing better results with fewer tokens.

8087 Emulation on 8086 Systems

Intel released the E8087 software emulation package in 1980 to allow developers to write 8087 software without requiring 8087 hardware, and Microsoft later adopted and modified this mechanism for their own use. The emulation mechanism involves language translators emitting special fix-ups for floating-point instructions, which are then replaced with software interrupts by the linker, allowing ...

Why I Write (1946)

The author's early life influenced his writing, with a desire to escape loneliness and create a private world through words. He developed a habit of making up stories and describing scenes, which continued into adulthood.

Tesla (TSLA) discloses $2B AI hardware company acquisition buried

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Tesla acquired an unnamed AI hardware company for up to $2 billion in stock and equity awards. The deal's structure suggests Tesla is acquiring promising but unproven technology with a retention mechanism for the target company's engineering team.

Tariffs Raised Consumers' Prices, but the Refunds Go Only to Businesses

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Show HN: Atomic – Local-first, AI-augmented personal knowledge base

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Atomic organizes knowledge automatically with semantic search and tagging. It generates summaries, wiki articles, and visualizes knowledge as a graph with AI-augmented chat.