Hacker News Highlights

Claude 4 System Card
https://simonwillison.net/2025/May/25/claude-4-system-card/
https://news.ycombinator.com/item?id=44085920

At Amazon, some coders say their jobs have begun to resemble warehouse work
https://www.nytimes.com/2025/05/25/business/amazon-ai-coders.html
https://news.ycombinator.com/item?id=44087150

Open Source Society University – Path to a free self-taught education in CS
https://github.com/ossu/computer-science
https://news.ycombinator.com/item?id=44089150

Google Shared My Phone Number
https://danq.me/2025/05/21/google-shared-my-phone-number/
https://news.ycombinator.com/item?id=44094270

Lottie is an open format for animated vector graphics
https://lottie.github.io/
https://news.ycombinator.com/item?id=44088216

Ask HN: What are you working on? (May 2025)
https://news.ycombinator.com/item?id=44090387

Plwm – An X11 window manager written in Prolog
https://github.com/Seeker04/plwm
https://news.ycombinator.com/item?id=44089424

Ten years of JSON Web Token and preparing for the future
https://self-issued.info/?p=2708
https://news.ycombinator.com/item?id=44092102

Design Pressure: The Invisible Hand That Shapes Your Code
https://hynek.me/talks/design-pressure/
https://news.ycombinator.com/item?id=44087844

Writing your own CUPS printer driver in 100 lines of Python (2018)
https://behind.pretix.eu/2018/01/20/cups-driver/
https://news.ycombinator.com/item?id=44088682

I used o3 to find a remote zeroday in the Linux SMB implementation
https://sean.heelan.io/2025/05/22/how-i-used-o3-to-find-cve-2025-37899-a-remote-zeroday-vulnerability-in-the-linux-kernels-smb-implementation/
https://news.ycombinator.com/item?id=44081338

Reinvent the Wheel
https://endler.dev/2025/reinvent-the-wheel/
https://news.ycombinator.com/item?id=44083467

Scientific conferences are leaving the US amid border fears
https://www.nature.com/articles/d41586-025-01636-5
https://news.ycombinator.com/item?id=44084017

Show HN: Rotary Phone Dial Linux Kernel Driver
https://gitlab.com/sephalon/rotary_dial_kmod
https://news.ycombinator.com/item?id=44080803

Good Writing
https://paulgraham.com/goodwriting.html
https://news.ycombinator.com/item?id=44081586

Tachy0n: The Last 0day Jailbreak
https://blog.siguza.net/tachy0n/
https://news.ycombinator.com/item?id=44083388

The Xenon Death Flash: How a Camera Nearly Killed the Raspberry Pi 2
https://magnus919.com/2025/05/the-xenon-death-flash-how-a-camera-nearly-killed-the-raspberry-pi-2/
https://news.ycombinator.com/item?id=44080533

Hong Kong's Famous Bamboo Scaffolding Hangs on (For Now)
https://www.nytimes.com/2025/05/24/world/asia/hongkong-bamboo-scaffolding.html
https://news.ycombinator.com/item?id=44080549

Why old games never die, but new ones do
https://pleromanonx86.wordpress.com/2025/05/06/why-old-games-never-die-but-new-ones-do/
https://news.ycombinator.com/item?id=44083917

Peer Programming with LLMs, for Senior+ Engineers
https://pmbanugo.me/blog/peer-programming-with-llms
https://news.ycombinator.com/item?id=44081081

Postgres IDE in VS Code
https://techcommunity.microsoft.com/blog/adforpostgresql/announcing-a-new-ide-for-postgresql-in-vs-code-from-microsoft/4414648
https://news.ycombinator.com/item?id=44073588

Find Your People
https://foundersatwork.posthaven.com/find-your-people
https://news.ycombinator.com/item?id=44074017

How to live on $432 a month in America
https://shagbark.substack.com/p/how-to-live-on-432-a-month-in-america
https://news.ycombinator.com/item?id=44074340

Root for your friends
https://josephthacker.com/personal/2025/05/13/root-for-your-friends.html
https://news.ycombinator.com/item?id=44077533

Mermaid: Generation of diagrams like flowcharts or sequence diagrams from text
https://github.com/mermaid-js/mermaid
https://news.ycombinator.com/item?id=44049619

Modification of acetaminophen to reduce liver toxicity and enhance drug efficacy
https://www.societyforscience.org/regeneron-sts/2025-student-finalists/chloe-lee/
https://news.ycombinator.com/item?id=44077850

Why Algebraic Effects?
https://antelang.org/blog/why_effects/
https://news.ycombinator.com/item?id=44078434

Caesar's Last Breath
https://charliesabino.com/caesars-last-breath/
https://news.ycombinator.com/item?id=44073185

Show HN: DoubleMemory – more efficient local-first read-it-later app
https://doublememory.com
https://news.ycombinator.com/item?id=44075451

Claude 4
https://www.anthropic.com/news/claude-4
https://news.ycombinator.com/item?id=44063703

Mozilla to shut down Pocket and Fakespot
https://support.mozilla.org/en-US/kb/future-of-pocket
https://news.ycombinator.com/item?id=44063662

That fractal that's been up on my wall for years
https://chriskw.xyz/2025/05/21/Fractal/
https://news.ycombinator.com/item?id=44063248

Improving performance of rav1d video decoder
https://ohadravid.github.io/posts/2025-05-rav1d-faster/
https://news.ycombinator.com/item?id=44061160

Show HN: Defuddle, an HTML-to-Markdown alternative to Readability
https://github.com/kepano/defuddle
https://news.ycombinator.com/item?id=44067409

The Future of Flatpak
https://lwn.net/Articles/1020571/
https://news.ycombinator.com/item?id=44068400

I Built My Own Audio Player
https://nexo.sh/posts/why-i-built-a-native-mp3-player-in-swiftui/
https://news.ycombinator.com/item?id=44062227

Fast Allocations in Ruby 3.5
https://railsatscale.com/2025-05-21-fast-allocations-in-ruby-3-5/
https://news.ycombinator.com/item?id=44062160

Does Earth have two high-tide bulges on opposite sides? (2014)
http://physics.stackexchange.com/questions/121830/does-earth-really-have-two-high-tide-bulges-on-opposite-sides
https://news.ycombinator.com/item?id=44065458

John Carmack talk at Upper Bound 2025 – slides and notes
https://twitter.com/ID_AA_Carmack/status/1925710474366034326
https://news.ycombinator.com/item?id=44070042

OpenAI to buy AI startup from Jony Ive
https://www.bloomberg.com/news/articles/2025-05-21/openai-to-buy-apple-veteran-jony-ive-s-ai-device-startup-in-6-5-billion-deal
https://news.ycombinator.com/item?id=44053518

Devstral
https://mistral.ai/news/devstral
https://news.ycombinator.com/item?id=44051733

Gemini Diffusion
https://simonwillison.net/2025/May/21/gemini-diffusion/
https://news.ycombinator.com/item?id=44057820

For algorithms, a little memory outweighs a lot of time
https://www.quantamagazine.org/for-algorithms-a-little-memory-outweighs-a-lot-of-time-20250521/
https://news.ycombinator.com/item?id=44055347

Animated Factorization (2012)
http://www.datapointed.net/visualizations/math/factorization/animated-diagrams/
https://news.ycombinator.com/item?id=44051958

Collaborative Text Editing Without CRDTs or OT
https://mattweidner.com/2025/05/21/text-without-crdts.html
https://news.ycombinator.com/item?id=44053560

LLM function calls don't scale; code orchestration is simpler, more effective
https://jngiam.bearblog.dev/mcp-large-data/
https://news.ycombinator.com/item?id=44053744

Decibels Are Ridiculous
https://lcamtuf.substack.com/p/decibels-are-ridiculous
https://news.ycombinator.com/item?id=44058778

CERN gears up to ship antimatter across Europe
https://arstechnica.com/science/2025/05/cern-gears-up-to-ship-antimatter-across-europe/
https://news.ycombinator.com/item?id=44033711

An upgraded dev experience in Google AI Studio
https://developers.googleblog.com/en/google-ai-studio-native-code-generation-agentic-tools-upgrade/
https://news.ycombinator.com/item?id=44054185

Veo 3 and Imagen 4, and a new tool for filmmaking called Flow
https://blog.google/technology/ai/generative-media-models-io-2025/
https://news.ycombinator.com/item?id=44044043

Deep Learning Is Applied Topology
https://theahura.substack.com/p/deep-learning-is-applied-topology
https://news.ycombinator.com/item?id=44041738

My new hobby: watching AI slowly drive Microsoft employees insane
https://old.reddit.com/r/ExperiencedDevs/comments/1krttqo/my_new_hobby_watching_ai_slowly_drive_microsoft/
https://news.ycombinator.com/item?id=44050152

Gemma 3n preview: Mobile-first AI
https://developers.googleblog.com/en/introducing-gemma-3n/
https://news.ycombinator.com/item?id=44044199

Litestream: Revamped
https://fly.io/blog/litestream-revamped/
https://news.ycombinator.com/item?id=44045292

Show HN: 90s.dev – Game maker that runs on the web
https://90s.dev/blog/finally-releasing-90s-dev.html
https://news.ycombinator.com/item?id=44042371

The NSA Selector
https://github.com/wenzellabs/the_NSA_selector
https://news.ycombinator.com/item?id=44044459

Why does the U.S. always run a trade deficit?
https://libertystreeteconomics.newyorkfed.org/2025/05/why-does-the-u-s-always-run-a-trade-deficit/
https://news.ycombinator.com/item?id=44040407

Show HN: A Tiling Window Manager for Windows, Written in Janet
https://agent-kilo.github.io/jwno/
https://news.ycombinator.com/item?id=44042490

AI's energy footprint
https://www.technologyreview.com/2025/05/20/1116327/ai-energy-usage-climate-footprint-big-tech/
https://news.ycombinator.com/item?id=44039808

The Windows Subsystem for Linux is now open source
https://blogs.windows.com/windowsdeveloper/2025/05/19/the-windows-subsystem-for-linux-is-now-open-source/
https://news.ycombinator.com/item?id=44031385

Zod 4
https://zod.dev/v4
https://news.ycombinator.com/item?id=44030850

Have I Been Pwned 2.0
https://www.troyhunt.com/have-i-been-pwned-2-0-is-now-live/
https://news.ycombinator.com/item?id=44035158

GitHub Copilot Coding Agent
https://github.blog/changelog/2025-05-19-github-copilot-coding-agent-in-public-preview/
https://news.ycombinator.com/item?id=44031432

DDoSecrets publishes 410 GB of heap dumps, hacked from TeleMessage
https://micahflee.com/ddosecrets-publishes-410-gb-of-heap-dumps-hacked-from-telemessages-archive-server/
https://news.ycombinator.com/item?id=44036647

Claude Code SDK
https://docs.anthropic.com/en/docs/claude-code/sdk
https://news.ycombinator.com/item?id=44032777

Jules: An Asynchronous Coding Agent
https://jules.google/
https://news.ycombinator.com/item?id=44034918

Game theory illustrated by an animated cartoon game
https://ncase.me/trust/
https://news.ycombinator.com/item?id=44031535

Run GitHub Actions locally
https://github.com/nektos/act
https://news.ycombinator.com/item?id=44003184

Launch HN: Better Auth (YC X25) – Authentication Framework for TypeScript
https://news.ycombinator.com/item?id=44030492

Coding without a laptop: Two weeks with AR glasses and Linux on Android
https://holdtherobot.com/blog/2025/05/11/linux-on-android-with-ar-glasses/
https://news.ycombinator.com/item?id=43985513

Mystical
https://suberic.net/~dmm/projects/mystical/README.html
https://news.ycombinator.com/item?id=44016037

O2 VoLTE: locating any customer with a phone call
https://mastdatabase.co.uk/blog/2025/05/o2-expose-customer-location-call-4g/
https://news.ycombinator.com/item?id=44014046

If nothing is curated, how do we find things
https://tadaima.bearblog.dev/if-nothing-is-curated-how-do-we-find-things/
https://news.ycombinator.com/item?id=44015144

Dead Stars Don’t Radiate
https://johncarlosbaez.wordpress.com/2025/05/17/dead-stars-dont-radiate-and-shrink/
https://news.ycombinator.com/item?id=44015872

AniSora: Open-source anime video generation model
https://komiko.app/video/AniSora
https://news.ycombinator.com/item?id=44017913

How to have the browser pick a contrasting color in CSS
https://webkit.org/blog/16929/contrast-color/
https://news.ycombinator.com/item?id=44015367

Directory of MCP Servers
https://github.com/chatmcp/mcpso
https://news.ycombinator.com/item?id=44016336

The Lost Japanese ROM of the Macintosh Plus
https://www.journaldulapin.com/2025/05/17/the-lost-japanese-rom-of-the-macintosh-plus-which-isnt-lost-anymore/
https://news.ycombinator.com/item?id=44017692

FreeBASIC is a free/open source BASIC compiler for Windows DOS and Linux
https://freebasic.net/
https://news.ycombinator.com/item?id=44017592

Push Ifs Up and Fors Down
https://matklad.github.io/2023/11/15/push-ifs-up-and-fors-down.html
https://news.ycombinator.com/item?id=44013157

JavaScript's New Superpower: Explicit Resource Management
https://v8.dev/features/explicit-resource-management
https://news.ycombinator.com/item?id=44012227

Japan's IC cards are weird and wonderful
https://aruarian.dance/blog/japan-ic-cards/
https://news.ycombinator.com/item?id=43993711

MCP: An in-depth introduction
https://www.speakeasy.com/mcp/mcp-tutorial
https://news.ycombinator.com/item?id=43972334

XTool – Cross-platform Xcode replacement
https://github.com/xtool-org/xtool
https://news.ycombinator.com/item?id=44011515

Wow@Home – Network of Amateur Radio Telescopes
https://phl.upr.edu/wow/outreach
https://news.ycombinator.com/item?id=44011489

Palette lighting tricks on the Nintendo 64
https://30fps.net/pages/palette-lighting-tricks-n64/
https://news.ycombinator.com/item?id=44014587

A kernel developer plays with Home Assistant
https://lwn.net/SubscriberLink/1017720/7155ecb9602e9ef2/
https://news.ycombinator.com/item?id=44011381

"We would be less confidential than Google" Proton threatens to quit Switzerland
https://www.techradar.com/vpn/vpn-privacy-security/we-would-be-less-confidential-than-google-proton-threatens-to-quit-switzerland-over-new-surveillance-law
https://news.ycombinator.com/item?id=44014808

Pyrefly: A new type checker and IDE experience for Python
https://engineering.fb.com/2025/05/15/developer-tools/introducing-pyrefly-a-new-type-checker-and-ide-experience-for-python/
https://news.ycombinator.com/item?id=44013913

Baby is healed with first personalized gene-editing treatment
https://www.nytimes.com/2025/05/15/health/gene-editing-personalized-rare-disorders.html
https://news.ycombinator.com/item?id=43997636

The unreasonable effectiveness of an LLM agent loop with tool use
https://sketch.dev/blog/agent-loop
https://news.ycombinator.com/item?id=43998472

A leap year check in three instructions
https://hueffner.de/falk/blog/a-leap-year-check-in-three-instructions.html
https://news.ycombinator.com/item?id=43999748

Coinbase says hackers bribed staff to steal customer data, demanding $20M ransom
https://www.cnbc.com/2025/05/15/coinbase-says-hackers-bribed-staff-to-steal-customer-data-and-are-demanding-20-million-ransom.html
https://news.ycombinator.com/item?id=43996307

Ollama's new engine for multimodal models
https://ollama.com/blog/multimodal-models
https://news.ycombinator.com/item?id=44001087

BuyMeACoffee silently dropped support for many countries (2024)
https://zverok.space/blog/2024-08-08-bmac-snafu.html
https://news.ycombinator.com/item?id=44002333

Initialization in C++ is bonkers (2017)
https://blog.tartanllama.xyz/initialization-is-bonkers/
https://news.ycombinator.com/item?id=43999492

Teal – A statically-typed dialect of Lua
https://teal-language.org/
https://news.ycombinator.com/item?id=44000759

After months of coding with LLMs, I'm going back to using my brain
https://albertofortin.com/writing/coding-with-ai
https://news.ycombinator.com/item?id=44003700

Launch HN: Tinfoil (YC X25): Verifiable Privacy for Cloud AI
https://news.ycombinator.com/item?id=43996555