GPT-5.5(openai.com)
1518 points by rd | 1014 comments
OpenAI's product announcement page introducing GPT-5.5, billed as a new class of intelligence for real work, dated April 23, 2026.
Hacker News on
Stories posted this day, by points. Rank history starts with the October 2026 rebuild.
I am building a cloud(crawshaw.io)
1063 points by bumbledraven | 533 comments
Personal blog post by David Crawshaw on why he is founding exe.dev to build a new cloud, written on its fundraising announcement day.
An update on recent Claude Code quality reports(anthropic.com)
905 points by mfiguiere | 673 comments
Anthropic engineering post explaining how recent Claude Code quality complaints traced to three separate changes, and what the company is changing in response.
Bitwarden CLI compromised in ongoing Checkmarx supply chain campaign(socket.dev)
844 points by tosh | 412 comments
Socket Research blog post reporting that Bitwarden CLI 2026.4.0 was compromised via an abused GitHub Action as part of the Checkmarx supply chain campaign.
Palantir employees are starting to wonder if they're the bad guys(wired.com)
787 points by pavel_lishin | 538 comments
WIRED article reporting, via interviews and internal Slack messages, that Palantir employees are increasingly uneasy about the company's work and role.
Meta tells staff it will cut 10% of jobs(bloomberg.com)
765 points by Vaslo | 798 comments
News report that Meta told employees it will cut about 10% of its workforce, roughly 8,000 jobs, in a push for efficiency.
US special forces soldier arrested after allegedly winning $400k on Maduro raid(cnn.com)
618 points by nkrisc | 663 comments
CNN report on a US special forces soldier arrested for allegedly using classified information about the Maduro raid to win about $400,000 on prediction market bets.
Flipdiscs(flipdisc.io)
542 points by skogstokig | 85 comments
A site about building a large interactive flipdisc (flip-dot) wall display, explaining the electromagnetic display technology with guide and docs sections.
If America's so rich, how'd it get so sad?(derekthompson.org)
441 points by momentmaker | 818 comments
Derek Thompson Substack essay examining the sharp post-COVID decline in self-reported American happiness despite national wealth, citing Sam Peltzman's research.
French government agency confirms breach as hacker offers to sell data(bleepingcomputer.com)
383 points by robtherobber | 138 comments
News report that a French government agency confirmed a data breach after a hacker offered the stolen data for sale.
Investigation uncovers two sophisticated telecom surveillance campaigns(techcrunch.com)
363 points by mentalgear | 123 comments
TechCrunch article on Citizen Lab research finding surveillance vendors abused telecom network access to track people's phone locations.
Arch Linux Now Has a Bit-for-Bit Reproducible Docker Image(antiz.fr)
326 points by maxloh | 109 comments
Blog post by Robin Candau announcing that Arch Linux now provides a bit-for-bit reproducible Docker image.
Our newsroom AI policy(arstechnica.com)
176 points by zdw | 120 comments
My phone replaced a brass plug(drobinin.com)
170 points by valzevul | 48 comments
Raylib v6.0(github.com)
169 points by rydgel | 25 comments
Writing a C Compiler, in Zig (2025)(ar-ms.me)
165 points by tosh | 48 comments
Box to save memory in Rust(dystroy.org)
162 points by emschwartz | 48 comments
Math Is Hard – OpenBSD Stories(miod.online.fr)
137 points by signa11 | 16 comments
Optimizing Datalog for the GPU(dl.acm.org)
61 points by tosh | 3 comments
People Do Not Yearn for Automation(theverge.com)
45 points by icco | 23 comments
The end of responsive images(piccalil.li)
43 points by OuterVale | 17 comments
The Long Reply(ironicsans.ghost.io)
35 points by NaOH | 0 comments
![Screenshot of openreview.net: Flow Map Learning via Nongradient Vector Flow [pdf]](https://hn.urlbox.com/shots/renders/2026/4/23/b68ec0f6-2744-46bf-98e8-80065970f182.jpg)
