top 20 hacker news stories for 2026-04-23

Introducing GPT-5.5

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

2 months ago

1580 upvotes – 1057 comments

I am building a cloud

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

2 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/

2 months ago

961 upvotes – 705 comments

An update on recent Claude Code quality reports

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

2 months ago

941 upvotes – 731 comments

Bitwarden CLI Compromised in Ongoing Checkmarx Supply Chain

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

2 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/

2 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

2 months ago

691 upvotes – 752 comments

Flipdiscs

https://flipdisc.io

2 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

2 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/

2 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/

2 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/

2 months ago

352 upvotes – 121 comments

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

https://github.com/russellromney/honker

2 months ago

★ 698PythonApache-2.0
327 upvotes – 84 comments

MacBook Neo and How the iPad Should Be

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

2 months ago

321 upvotes – 203 comments

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

https://github.com/refactoringhq/tolaria

2 months ago

★ 8.4kTypeScriptAGPL-3.0
316 upvotes – 141 comments

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

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

2 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

2 months ago

282 upvotes – 179 comments

Incident with Multple GitHub Services

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

2 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/

2 months ago

267 upvotes – 251 comments

Using the internet like it's 1999

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

2 months ago

256 upvotes – 190 comments
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