Hacker News Highlights

Show HN: Free, in-browser PDF editor
https://breezepdf.com
https://news.ycombinator.com/item?id=43880962

We fell out of love with Next.js and back in love with Ruby on Rails
https://hardcover.app/blog/part-1-how-we-fell-out-of-love-with-next-js-and-back-in-love-with-ruby-on-rails-inertia-js
https://news.ycombinator.com/item?id=43881035

Time saved by AI offset by new work created, study suggests
https://arstechnica.com/ai/2025/05/time-saved-by-ai-offset-by-new-work-created-study-suggests/
https://news.ycombinator.com/item?id=43878850

Minimum Viable Blog
https://ostwilkens.se/blog/setting-up-blog
https://news.ycombinator.com/item?id=43877797

Why can't HTML alone do includes?
https://frontendmasters.com/blog/seeking-an-answer-why-cant-html-alone-do-includes/
https://news.ycombinator.com/item?id=43878728

DuckDB is probably the most important geospatial software of the last decade
https://www.dbreunig.com/2025/05/03/duckdb-is-the-most-impactful-geospatial-software-in-a-decade.html
https://news.ycombinator.com/item?id=43881468

Run LLMs on Apple Neural Engine (ANE)
https://github.com/Anemll/Anemll
https://news.ycombinator.com/item?id=43879702

Gorgeous-GRUB: collection of decent community-made GRUB themes
https://github.com/Jacksaur/Gorgeous-GRUB
https://news.ycombinator.com/item?id=43883040

When flat rate movers won't answer your calls
https://aphyr.com/posts/381-when-flat-rate-movers-wont-answer-your-calls
https://news.ycombinator.com/item?id=43882150

Why I stopped angel investing after 15 years (and what I'm doing instead)
https://halletecco.substack.com/p/why-i-stopped-angel-investing-after
https://news.ycombinator.com/item?id=43878878

Show HN: I built a synthesizer based on 3D physics
https://anukari.com
https://news.ycombinator.com/item?id=43873074

Old Soviet Venus descent craft nearing Earth reentry
https://www.leonarddavid.com/old-soviet-venus-descent-craft-nearing-earth-reentry/
https://news.ycombinator.com/item?id=43873531

The language brain matters more for programming than the math brain? (2020)
https://massivesci.com/articles/programming-math-language-python-women-in-science/
https://news.ycombinator.com/item?id=43870969

Suno v4.5
https://suno.com/explore/
https://news.ycombinator.com/item?id=43869353

Just redesigned my personal site with a TTY-style interface
https://www.abdisa.me/
https://news.ycombinator.com/item?id=43867211

Expanding on what we missed with sycophancy
https://openai.com/index/expanding-on-sycophancy/
https://news.ycombinator.com/item?id=43870819

Show HN: GPT-2 implemented using graphics shaders
https://github.com/nathan-barry/gpt2-webgl
https://news.ycombinator.com/item?id=43870998

Strings Just Got Faster
https://inside.java/2025/05/01/strings-just-got-faster/
https://news.ycombinator.com/item?id=43854337

What I've learned from jj
https://zerowidth.com/2025/what-ive-learned-from-jj/
https://news.ycombinator.com/item?id=43867403

The Cannae Problem
https://www.joanwestenberg.com/the-cannae-problem/
https://news.ycombinator.com/item?id=43869288

Redis is open source again
https://antirez.com/news/151
https://news.ycombinator.com/item?id=43859446

Judge rules Apple executive lied under oath, makes criminal contempt referral
https://www.thebignewsletter.com/p/judge-rules-apple-executive-lied
https://news.ycombinator.com/item?id=43856795

Claude Integrations
https://www.anthropic.com/news/integrations
https://news.ycombinator.com/item?id=43859536

Third party cookies must be removed
https://w3ctag.github.io/web-without-3p-cookies/
https://news.ycombinator.com/item?id=43865132

Linkwarden: FOSS self-hostable bookmarking with AI-tagging and page archival
https://linkwarden.app/
https://news.ycombinator.com/item?id=43856801

New Study: Waymo is reducing serious crashes and making streets safer
https://waymo.com/blog/2025/05/waymo-making-streets-safer-for-vru
https://news.ycombinator.com/item?id=43861828

Anubis saved our websites from a DDoS attack
https://fabulous.systems/posts/2025/05/anubis-saved-our-websites-from-a-ddos-attack/
https://news.ycombinator.com/item?id=43864108

When ChatGPT broke the field of NLP: An oral history
https://www.quantamagazine.org/when-chatgpt-broke-an-entire-field-an-oral-history-20250430/
https://news.ycombinator.com/item?id=43854776

Dopamine signals when a fear can be forgotten
https://picower.mit.edu/news/dopamine-signals-when-fear-can-be-forgotten
https://news.ycombinator.com/item?id=43860726

Llasa: Llama-Based Speech Synthesis
https://llasatts.github.io/llasatts/
https://news.ycombinator.com/item?id=43860137

Someone at YouTube needs glasses
https://jayd.ml/2025/04/30/someone-at-youtube-needs-glasses.html
https://news.ycombinator.com/item?id=43846487

Apple violated antitrust ruling, judge finds
https://www.wsj.com/tech/apple-violated-antitrust-ruling-federal-judge-finds-66b85957
https://news.ycombinator.com/item?id=43852145

I created Perfect Wiki and reached $250k in annual revenue without investors
https://habr.com/en/articles/905812/
https://news.ycombinator.com/item?id=43842306

Xiaomi MiMo Reasoning Model
https://github.com/XiaomiMiMo/MiMo
https://news.ycombinator.com/item?id=43842683

You Wouldn't Download a Hacker News
https://www.jasonthorsness.com/25
https://news.ycombinator.com/item?id=43840193

DeepSeek-Prover-V2
https://github.com/deepseek-ai/DeepSeek-Prover-V2
https://news.ycombinator.com/item?id=43847432

Mercury: Commercial-scale diffusion language model
https://www.inceptionlabs.ai/introducing-mercury
https://news.ycombinator.com/item?id=43851099

All four major web browsers are about to lose 80% of their funding
https://danfabulich.medium.com/all-four-major-web-browsers-are-about-to-lose-80-of-their-funding-0e42ceb358f1
https://news.ycombinator.com/item?id=43827054

NotebookLM Audio Overviews are now available in over 50 languages
https://blog.google/technology/google-labs/notebooklm-audio-overviews-50-languages/
https://news.ycombinator.com/item?id=43848325

The True Size Of
https://thetruesize.com/
https://news.ycombinator.com/item?id=43804561

I use zip bombs to protect my server
https://idiallo.com/blog/zipbomb-protection
https://news.ycombinator.com/item?id=43826798

Firefox tab groups are here
https://blog.mozilla.org/en/firefox/tab-groups-community/
https://news.ycombinator.com/item?id=43834101

Only Teslas exempt from new auto tariffs thanks to 85% domestic content rule
https://fuelarc.com/cars/only-tesla-exempt-from-new-auto-tariffs-thanks-to-85-domestic-content-rule/
https://news.ycombinator.com/item?id=43837993

Chain of Recursive Thoughts: Make AI think harder by making it argue with itself
https://github.com/PhialsBasement/Chain-of-Recursive-Thoughts
https://news.ycombinator.com/item?id=43835445

Jepsen: Amazon RDS for PostgreSQL 17.4
https://jepsen.io/analyses/amazon-rds-for-postgresql-17.4
https://news.ycombinator.com/item?id=43833195

Show HN: Beatsync – perfect audio sync across multiple devices
https://github.com/freeman-jiang/beatsync
https://news.ycombinator.com/item?id=43835584

Sycophancy in GPT-4o
https://openai.com/index/sycophancy-in-gpt-4o/
https://news.ycombinator.com/item?id=43840842

Performance optimization is hard because it's fundamentally a brute-force task
https://purplesyringa.moe/blog/why-performance-optimization-is-hard-work/
https://news.ycombinator.com/item?id=43831705

Show HN: A Chrome extension that will auto-reject non-essential cookies
https://blog.bymitch.com/posts/reject-cookies/
https://news.ycombinator.com/item?id=43831298

Programming languages should have a tree traversal primitive
https://blog.tylerglaiel.com/p/programming-languages-should-have
https://news.ycombinator.com/item?id=43831628

Widespread power outage in Spain and Portugal
https://www.bbc.com/news/live/c9wpq8xrvd9t
https://news.ycombinator.com/item?id=43819791

Show HN: I built a hardware processor that runs Python
https://www.runpyxl.com/gpio
https://news.ycombinator.com/item?id=43820228

Qwen3: Think deeper, act faster
https://qwenlm.github.io/blog/qwen3/
https://news.ycombinator.com/item?id=43825900

Migrating away from Rust
https://deadmoney.gg/news/articles/migrating-away-from-rust
https://news.ycombinator.com/item?id=43824640

Why did Windows 7 log on slower for months if you had a solid color background?
https://devblogs.microsoft.com/oldnewthing/20250428-00/?p=111121
https://news.ycombinator.com/item?id=43827214

The 12-bit rainbow palette
https://iamkate.com/data/12-bit-rainbow/
https://news.ycombinator.com/item?id=43827108

One Million Chessboards
https://onemillionchessboards.com/#199,276
https://news.ycombinator.com/item?id=43825336

Knowledge-based society, my ass
https://mihaiolteanu.me/knowledge-based-society-my-ass
https://news.ycombinator.com/item?id=43828713

LibreLingo – FOSS Alternative to Duolingo
https://librelingo.app
https://news.ycombinator.com/item?id=43829035

The One-Person Framework in Practice
https://link.mail.beehiiv.com/ss/c/u001.5SRwDQ9qxPQW8vmD5Do73b3R4eTCi2vXqPyztEk6wMFC9_fqEAcDVx6xEJ96T4BSMXrPS7z5exEBSTF4pF48z8SqJkJnkAwMUW9LtYdd8lWmvkDinT92nsk5HmXOHdWgLsysm9FMGrqmu7dnG57cXpga8ZOe8X0IV8pyeC3AswdRMaitfT307y7naP-_6W5CiolKhXCKrEndMGCW2PftFUu9ieYOxpVJ_fhu82gAh-4/4g1/wA_MG-I5SVCyR3KY66oEaQ/h30/h001.kLDFZMgisudi21zmTPbd_O8U7X98d4UxYqZjQTb_D7o
https://news.ycombinator.com/item?id=43826584

Internet in a Box
https://internet-in-a-box.org/
https://news.ycombinator.com/item?id=43814433

How a single line of code could brick your iPhone
https://rambo.codes/posts/2025-04-24-how-a-single-line-of-code-could-brick-your-iphone
https://news.ycombinator.com/item?id=43814360

Business co-founders in tech startups are less valuable than they think
https://verdikapuku.com/posts/business-founders-are-less-valuable-than-they-think/
https://news.ycombinator.com/item?id=43814497

Show HN: I made a web-based, free alternative to Screen Studio
https://www.screenrecorder.me
https://news.ycombinator.com/item?id=43816419

Reverse geocoding is hard
https://shkspr.mobi/blog/2025/04/reverse-geocoding-is-hard/
https://news.ycombinator.com/item?id=43812323

Read the Obits
https://thereader.mitpress.mit.edu/the-creativity-hack-no-one-told-you-about-read-the-obits/
https://news.ycombinator.com/item?id=43813175

Did 5G kill the IMSI catcher?
https://zetier.com/5g-imsi-catcher/
https://news.ycombinator.com/item?id=43813083

AI helps unravel a cause of Alzheimer’s and identify a therapeutic candidate
https://today.ucsd.edu/story/ai-helps-unravel-a-cause-of-alzheimers-disease-and-identify-a-therapeutic-candidate
https://news.ycombinator.com/item?id=43815591

I just want to code (2023)
https://www.zachbellay.com/daily/i-just-want-to-code/
https://news.ycombinator.com/item?id=43814708

The coming knowledge-work supply-chain crisis
https://worksonmymachine.substack.com/p/the-coming-knowledge-work-supply
https://news.ycombinator.com/item?id=43812459

Watching o3 guess a photo's location is surreal, dystopian and entertaining
https://simonwillison.net/2025/Apr/26/o3-photo-locations/
https://news.ycombinator.com/item?id=43803243

An end to all this prostate trouble?
https://yarchive.net/blog/prostate/
https://news.ycombinator.com/item?id=43801906

Cloth
https://www.cloudofoz.com/verlet-test/
https://news.ycombinator.com/item?id=43801179

Show HN: My self-written hobby OS is finally running on my vintage IBM ThinkPad
https://github.com/joexbayer/RetrOS-32
https://news.ycombinator.com/item?id=43803148

The Friendship Recession: The lost art of connecting
https://www.happiness.hks.harvard.edu/february-2025-issue/the-friendship-recession-the-lost-art-of-connecting
https://news.ycombinator.com/item?id=43802727

Australian who ordered radioactive materials walks away from court
https://www.chemistryworld.com/news/australian-who-ordered-radioactive-materials-over-the-internet-walks-away-from-court/4021306.article
https://news.ycombinator.com/item?id=43801439

Amazon Just Happens to Hold Book Sale During Independent Bookstore Day
https://gizmodo.com/amazon-just-happens-to-hold-book-sale-during-independent-bookstore-day-2000594958
https://news.ycombinator.com/item?id=43808334

Bare metal printf – C standard library without OS
https://popovicu.com/posts/bare-metal-printf/
https://news.ycombinator.com/item?id=43807404

CSS Zen Garden
https://csszengarden.com/
https://news.ycombinator.com/item?id=43809484

Stuffed-Na(a)N: stuff your NaNs
https://github.com/si14/stuffed-naan-js
https://news.ycombinator.com/item?id=43803724

A $20k American-made electric pickup with no paint, no stereo, no screen
https://www.theverge.com/electric-cars/655527/slate-electric-truck-price-paint-radio-bezos
https://news.ycombinator.com/item?id=43794284

Wikipedia’s nonprofit status questioned by D.C. U.S. attorney
https://www.washingtonpost.com/technology/2025/04/25/wikipedia-nonprofit-ed-martin-letter/
https://news.ycombinator.com/item?id=43799302

Writing "/etc/hosts" breaks the Substack editor
https://scalewithlee.substack.com/p/when-etchsts-breaks-your-substack
https://news.ycombinator.com/item?id=43793526

A Love Letter to People Who Believe in People
https://www.swiss-miss.com/2025/04/a-love-letter-to-people-who-believe-in-people.html
https://news.ycombinator.com/item?id=43788255

Lossless LLM compression for efficient GPU inference via dynamic-length float
https://arxiv.org/abs/2504.11651
https://news.ycombinator.com/item?id=43796935

Eurorack Knob Idea
https://mitxela.com/projects/euroknob
https://news.ycombinator.com/item?id=43793288

GCC 15.1
https://gcc.gnu.org/gcc-15/
https://news.ycombinator.com/item?id=43792248

I wrote a book called "Crap Towns". It seemed funny at the time
https://samj.substack.com/p/that-joke-isnt-funny-any-more
https://news.ycombinator.com/item?id=43799820

Show HN: I used OpenAI's new image API for a personalized coloring book service
https://clevercoloringbook.com/
https://news.ycombinator.com/item?id=43791992

Reproducibility project fails to validate dozens of biomedical studies
https://www.nature.com/articles/d41586-025-01266-x
https://news.ycombinator.com/item?id=43795300

I wrote to the address in the GPLv2 license notice (2022)
https://code.mendhak.com/gpl-v2-address-letter/
https://news.ycombinator.com/item?id=43781888

OpenAI releases image generation in the API
https://openai.com/index/image-generation-api/
https://news.ycombinator.com/item?id=43786506

Instant SQL for results as you type in DuckDB UI
https://motherduck.com/blog/introducing-instant-sql/
https://news.ycombinator.com/item?id=43782406

Ask HN: Share your AI prompt that stumps every model
https://news.ycombinator.com/item?id=43782299

One quantum transition makes light at 21 cm
https://bigthink.com/starts-with-a-bang/21cm-magic-length/
https://news.ycombinator.com/item?id=43784721

DeepMind releases Lyria 2 music generation model
https://deepmind.google/discover/blog/music-ai-sandbox-now-with-new-features-and-broader-access/
https://news.ycombinator.com/item?id=43790093

OpenVSX, which VSCode forks rely on for extensions, down for 24 hours
https://status.open-vsx.org/
https://news.ycombinator.com/item?id=43785039

You Can Be a Great Designer and Be Completely Unknown
https://www.chrbutler.com/you-can-be-a-great-designer-and-be-completely-unknown
https://news.ycombinator.com/item?id=43787676

Microsoft subtracts C/C++ extension from VS Code forks
https://www.theregister.com/2025/04/24/microsoft_vs_code_subtracts_cc_extension/
https://news.ycombinator.com/item?id=43788125

National Airspace System Status
https://nasstatus.faa.gov/
https://news.ycombinator.com/item?id=43787730