Hacker News on Tuesday, 23 June 2026

Stories posted this day, by points. Rank history starts with the October 2026 rebuild.

Screenshot of pluralistic.net: What we call "age verification" is actually mass surveillance

What we call "age verification" is actually mass surveillance (pluralistic.net)

671 points by hn_acker 4 months ago | 351 comments

A Pluralistic blog post by Cory Doctorow arguing that online age verification mandates amount to mass surveillance that harms the kids they claim to protect.

age-verification surveillance privacy child-safety

Screenshot of swipe.futo.tech: FUTO Swipe – A new swipe typing model

FUTO Swipe – A new swipe typing model (swipe.futo.tech)

636 points by futohq 4 months ago | 227 comments

Landing page for FUTO Swipe, a swipe typing model used in the offline FUTO Keyboard Android app, with downloadable models for developers.

futo swipe-typing futo-keyboard android

F3 (github.com)

593 points by tosh 4 months ago | 126 comments

GitHub repository for F3, an open-source data file format presented at SIGMOD 2026 as a future successor to formats like Parquet.

file-formats columnar-storage sigmod rust

Screenshot of twitter.com: Fired by Google for creating the Google workspace CLI

Fired by Google for creating the Google workspace CLI (twitter.com)

575 points by justinwp 4 months ago | 339 comments

An X post by Justin Poehnelt saying Google fired him after he created the viral Google Workspace CLI, and describing internal reactions and legal concerns.

google google-workspace cli layoffs

Screenshot of jerrysmap.com: Jerry's Map

Jerry's Map (jerrysmap.com)

548 points by turtleyacht 4 months ago | 59 comments

Page on Jerry Gretzinger's website describing Jerry's Map, an ever-growing hand-drawn map of an imaginary city begun in 1963.

jerrys-map imaginary-maps outsider-art art

Screenshot of devblogs.microsoft.com: In memory of the man who put red and green squiggles under words

In memory of the man who put red and green squiggles under words (devblogs.microsoft.com)

537 points by saikatsg 4 months ago | 94 comments

Raymond Chen's Old New Thing post remembering Tony Krueger, longtime Microsoft Word developer credited with the red and green squiggle underlines.

microsoft-word the-old-new-thing raymond-chen spell-check

Screenshot of github.com: Unlimited OCR: One-shot long-horizon parsing

Unlimited OCR: One-shot long-horizon parsing (github.com)

447 points by ingve 4 months ago | 102 comments

GitHub repository for Baidu's Unlimited-OCR, an MIT-licensed OCR model for one-shot long-horizon document parsing.

ocr document-parsing baidu vision-language-models

Screenshot of tikz.dev: Show HN: TikZ Editor – WYSIWYG editor for figures in LaTeX

Show HN: TikZ Editor – WYSIWYG editor for figures in LaTeX (tikz.dev)

425 points by DominikPeters 4 months ago | 73 comments

Landing page for TikZ Editor, a free open-source WYSIWYG web and desktop editor for TikZ diagrams in LaTeX that keeps source code and rendered figure in sync.

tikz latex wysiwyg-editor diagrams

Mistral OCR 4 (mistral.ai)

419 points by meetpateltech 4 months ago | 109 comments

Mistral AI's announcement page introducing OCR 4, its new document OCR and layout understanding model.

mistral-ai ocr document-understanding llm

Screenshot of krea.ai: Krea 2: SOTA open-weights 12B image model

Krea 2: SOTA open-weights 12B image model (krea.ai)

387 points by mattnewton 4 months ago | 43 comments

Krea's technical report introducing Krea 2, a family of open-weights image foundation models, covering data curation, architecture, training pipeline, and infrastructure.

krea image-generation open-weights diffusion-models

Screenshot of lucumr.pocoo.org: The Coming Loop

The Coming Loop (lucumr.pocoo.org)

375 points by ingve 4 months ago | 259 comments

Armin Ronacher blog post about people building automated loops on top of coding agents like Claude instead of prompting them directly.

coding-agents claude agent-loops ai-assisted-programming

Screenshot of aws.amazon.com: MicroVMs: Run isolated sandboxes with full lifecycle control

MicroVMs: Run isolated sandboxes with full lifecycle control (aws.amazon.com)

368 points by justincormack 4 months ago | 199 comments

AWS News Blog post announcing AWS Lambda MicroVMs, which let users run isolated sandboxes with full lifecycle control, built on Firecracker.

aws-lambda microvms firecracker sandboxing

Screenshot of words.filippo.io: Vulnerability reports are not special anymore

Vulnerability reports are not special anymore (words.filippo.io)

358 points by goranmoomin 4 months ago | 204 comments

Blog post by Filippo Valsorda arguing that vulnerability reports no longer deserve special treatment from open source maintainers.

vulnerability-disclosure open-source-maintenance bug-reports security-reports

Screenshot of dynomight.net: The worthlessness of Vitamin D is mildly exaggerated

The worthlessness of Vitamin D is mildly exaggerated (dynomight.net)

358 points by surprisetalk 4 months ago | 271 comments

A Dynomight blog essay arguing that claims Vitamin D supplements are worthless are somewhat overstated, reviewing the evidence on their effects.

vitamin-d supplements nutrition clinical-trials

Screenshot of arxiv.org: VibeThinker: 3B param model that beats Opus 4.5 on reasoning with novel SFT+GRPO

VibeThinker: 3B param model that beats Opus 4.5 on reasoning with novel SFT+GRPO (arxiv.org)

357 points by timhigins 4 months ago | 185 comments

arXiv technical report introducing VibeThinker-3B, a 3B-parameter dense model trained with curriculum SFT, multi-domain RL, and self-distillation for verifiable reasoning.

small-language-models reasoning reinforcement-learning vibethinker

Screenshot of interconnects.ai: GLM-5.2 is a step change for open agents

GLM-5.2 is a step change for open agents (interconnects.ai)

344 points by vantareed 4 months ago | 197 comments

Nathan Lambert's Interconnects post arguing that the GLM-5.2 model marks a capability threshold for open-weight agentic AI.

glm-5-2 open-weight-models ai-agents zhipu-ai

Screenshot of github.com: A game where you're an OS and have to manage processes, memory and I/O events

A game where you're an OS and have to manage processes, memory and I/O events (github.com)

343 points by exploraz 4 months ago | 78 comments

GitHub repository for You're the OS, a Python/Pygame game where the player acts as an operating system managing processes, memory and I/O events.

operating-systems python pygame webassembly

Screenshot of stephendiehl.com: Crypto in 2026: Oh, This Is the Bad Place

Crypto in 2026: Oh, This Is the Bad Place (stephendiehl.com)

325 points by ibobev 4 months ago | 407 comments

Stephen Diehl blog post criticizing the state of crypto in 2026, citing a presidential memecoin, prediction markets on military actions, and shadow dollar systems.

cryptocurrency memecoins prediction-markets stablecoins

Screenshot of lse.ac.uk: Extreme Heat conference cancelled due to extreme heat warning