top 50% hacker news stories for 2026-04-23

Introducing GPT-5.5

https://openai.com/index/introducing-gpt-5-5/

4 months ago

1580 upvotes – 1057 comments

I am building a cloud

https://crawshaw.io/blog/building-a-cloud

4 months ago

1115 upvotes – 561 comments

Palantir Employees Are Starting to Wonder If They're the Bad Guys

https://www.wired.com/story/palantir-employees-are-starting-to-wonder-if-theyre-the-bad-guys/

4 months ago

961 upvotes – 705 comments

An update on recent Claude Code quality reports

https://www.anthropic.com/engineering/april-23-postmortem

4 months ago

941 upvotes – 731 comments

Bitwarden CLI Compromised in Ongoing Checkmarx Supply Chain

https://socket.dev/blog/bitwarden-cli-compromised

4 months ago

869 upvotes – 431 comments

Meta to cut 10% of jobs, or 8k employees

https://techcrunch.com/2026/04/23/meta-job-cuts-10-percent-8000-employees/

4 months ago

798 upvotes – 887 comments

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

https://www.cnn.com/2026/04/23/politics/us-special-forces-soldier-arrested-maduro-raid-trade

4 months ago

691 upvotes – 752 comments

Flipdiscs

https://flipdisc.io

4 months ago

569 upvotes – 91 comments

If America's So Rich, How'd It Get So Sad?

https://www.derekthompson.org/p/if-americas-so-rich-howd-it-get-so

4 months ago

563 upvotes – 1087 comments

Surveillance vendors caught abusing access to telcos to track people's locations

https://techcrunch.com/2026/04/23/surveillance-vendors-caught-abusing-access-to-telcos-to-track-peoples-phone-locations-researchers-say/

4 months ago

412 upvotes – 133 comments

France confirms data breach at government agency that manages citizens' IDs

https://techcrunch.com/2026/04/22/france-confirms-data-breach-at-government-agency-that-manages-citizens-ids/

4 months ago

409 upvotes – 151 comments

Arch Linux Now Has a Bit-for-Bit Reproducible Docker Image

https://antiz.fr/blog/archlinux-now-has-a-reproducible-docker-image/

4 months ago

352 upvotes – 121 comments

Show HN: Honker – Postgres NOTIFY/LISTEN Semantics for SQLite

https://github.com/russellromney/honker

4 months ago

★ 698 Python Apache-2.0
327 upvotes – 84 comments

MacBook Neo and How the iPad Should Be

https://craigmod.com/essays/ipad_neo/

4 months ago

321 upvotes – 203 comments

Show HN: Tolaria – open-source macOS app to manage Markdown knowledge bases

https://github.com/refactoringhq/tolaria

4 months ago

★ 8.4k TypeScript AGPL-3.0
316 upvotes – 141 comments

OpenAI model for masking personally identifiable information (PII) in text

https://openai.com/index/introducing-openai-privacy-filter/

4 months ago

294 upvotes – 66 comments

MeshCore development team splits over trademark dispute and AI-generated code

https://blog.meshcore.io/2026/04/23/the-split

4 months ago

282 upvotes – 179 comments

Incident with Multple GitHub Services

https://www.githubstatus.com/incidents/myrbk7jvvs6p

4 months ago

267 upvotes – 133 comments

'Hairdryer used to trick weather sensor' to win $34,000 Polymarket bet

https://www.telegraph.co.uk/business/2026/04/23/hairdryer-used-trick-weather-sensor-34000-polymarket-bet/

4 months ago

267 upvotes – 251 comments

Using the internet like it's 1999

https://joshblais.com/blog/using-the-internet-like-its-1999/

4 months ago

256 upvotes – 190 comments

U.S. Soldier Charged with Using Classified Info to Profit from Prediction Market

https://www.justice.gov/usao-sdny/pr/us-soldier-charged-using-classified-information-profit-prediction-market-bets?bm-verify=AAQAAAAN_____y6To7sZYZ502biZwIHXlr-7zXZUqV4H0xLTfW__wDA3SjNLqifXRaQwsikyuz6IJknyuL8xfVYRkesxcDk5V10m-HoXl2K93f17rygBphL77WVFoQ_XvlmUo922IwM_DQ66137X6wWMtpdHslcEjpJG7KbBmUw9Su4kDENpDt_yv2spThQZehgv-X1Adk5U2VHfp41co2s_QJGjRj4y0KmL1mhSCyVaE7MC1LHG0mtP-xYmD0xBOQwn6PlHkPiP5Nt46h5ZIjLGXgCZDEVD42i7rIEM379DKLPUPX0PDNmOAwFSuTqcTDVnT_UUV8vxpHLRMb7rUxPxKUPcIB23iZTRJddWDDtPHMXadpwv67xr-f1sKDLZT9NgHCO4iuC2EthmAt0

4 months ago

251 upvotes – 2 comments

Email could have been X.400 times better

https://buttondown.com/blog/x400-vs-smtp-email

4 months ago

239 upvotes – 204 comments

Show HN: Turning a Gaussian Splat into a videogame

https://blog.playcanvas.com/turning-a-gaussian-splat-into-a-videogame/

4 months ago

236 upvotes – 63 comments

Girl, 10, finds rare Mexican axolotl under Welsh bridge

https://www.bbc.com/news/articles/c9d4zgnqpqeo

4 months ago

226 upvotes – 215 comments

Raylib v6.0

https://github.com/raysan5/raylib/releases/tag/6.0

4 months ago

★ 32.6k C Zlib
226 upvotes – 41 comments

Ars Technica: Our newsroom AI policy

https://arstechnica.com/staff/2026/04/our-newsroom-ai-policy/

4 months ago

211 upvotes – 131 comments

To Protect and Swerve: NYPD Cop Has 547 Speeding Tickets

https://nyc.streetsblog.org/2026/04/23/to-protect-and-swerve-nypd-cop-has-527-speeding-tickets-yet-remains-on-the-force

4 months ago

208 upvotes – 145 comments

TorchTPU: Running PyTorch Natively on TPUs at Google Scale

https://developers.googleblog.com/torchtpu-running-pytorch-natively-on-tpus-at-google-scale/

4 months ago

206 upvotes – 18 comments

UK Biobank health data keeps ending up on GitHub

https://biobank.rocher.lc

4 months ago

197 upvotes – 57 comments

My phone replaced a brass plug

https://drobinin.com/posts/my-phone-replaced-a-brass-plug/

4 months ago

185 upvotes – 57 comments

Box to Save Memory in Rust

https://dystroy.org/blog/box-to-save-memory/

4 months ago

180 upvotes – 52 comments

Writing a C Compiler, in Zig

https://ar-ms.me/thoughts/c-compiler-1-zig/

4 months ago

178 upvotes – 69 comments

Trump administration reclassifies cannabis as less dangerous

https://www.bbc.com/news/articles/cdxd0xxp0jko

4 months ago

165 upvotes – 204 comments

Math Is Hard

http://miod.online.fr/software/openbsd/stories/vaxfp.html

4 months ago

158 upvotes – 24 comments

Astronomers Find the Edge of the Milky Way

https://skyandtelescope.org/astronomy-news/astronomers-find-the-edge-of-the-milky-way/

4 months ago

158 upvotes – 44 comments

GitHub Merge Queue Silently Reverted Code

https://www.githubstatus.com/incidents/zsg1lk7w13cf

4 months ago

120 upvotes – 45 comments

People Do Not Yearn for Automation

https://www.theverge.com/podcast/917029/software-brain-ai-backlash-databases-automation

4 months ago

119 upvotes – 68 comments

How the Tech World Turned Evil

https://newrepublic.com/article/208876/tech-world-evil-musk-bezos-thiel

4 months ago

112 upvotes – 37 comments

Tempest vs. Tempest: The Making and Remaking of Atari's Iconic Video Game

https://tempest.homemade.systems

4 months ago

112 upvotes – 41 comments

OpenAI's response to the Axios developer tool compromise

https://openai.com/index/axios-developer-tool-compromise/

4 months ago

102 upvotes – 60 comments

Anthropic's Claude Desktop App Installs Undisclosed Native Messaging Bridge

https://letsdatascience.com/news/claude-desktop-installs-preauthorized-browser-extension-mani-4064fb1a

4 months ago

100 upvotes – 17 comments

I spent 6 years building my Kanban as I hated how managers run the boards

https://www.npmjs.com/package/ooko

4 months ago

96 upvotes – 117 comments

A Boy That Cried Mythos: Verification Is Collapsing Trust in Anthropic

https://www.flyingpenguin.com/the-boy-that-cried-mythos-verification-is-collapsing-trust-in-anthropic/

4 months ago

93 upvotes – 38 comments

Commenting and Approving Pull Requests

https://www.jakeworth.com/posts/on-commenting-and-approving-pull-requests/

4 months ago

90 upvotes – 71 comments

Borrow-checking without type-checking

https://www.scattered-thoughts.net/writing/borrow-checking-without-type-checking/

4 months ago

89 upvotes – 32 comments

Microsoft offers buyouts up to 7% of US employees

https://techcrunch.com/2026/04/23/microsoft-offers-buyout-for-up-to-7-of-u-s-employees/

4 months ago

87 upvotes – 101 comments

Shall We Play a Game?

https://asteriskmag.com/issues/14/shall-we-play-a-game

4 months ago

86 upvotes – 16 comments

Sneaky spam in conversational replies to blog posts

https://shkspr.mobi/blog/2026/04/sneaky-spam-in-conversational-replies-to-blog-posts/

4 months ago

86 upvotes – 79 comments

I spent years trying to make CSS states predictable

https://tenphi.me/blog/why-i-spent-years-trying-to-make-css-states-predictable/

4 months ago

79 upvotes – 58 comments
show: top 10top 20top 50%
go to date: prev next
sort by: datescorecomments