Hacker News Daily — September 24, 2026
29 stories · September 24, 2026
In this issue
- 1
F-Droid 2.0
f-droid.org · 705 points · Discussion
After more than a year of hard work, we are thrilled to announce the launch of F-Droid 2.0, a complete redesign of the official F-Droid app and the largest app update in 10 years. For more than a…
- 2
Two-tier encryption in the UK
macanorak.com · 332 points · Discussion
Field Notes Alice and Bill have identical Apple devices. Only one gets Apple’s strongest iCloud protection. Here's something odd. Alice and Bill both live in the UK. Both have identical iPhones. Both…
- 3
Show HN: Make cursed fonts like Times New Bastard
bastardica.mitpit.com · 258 points · Discussion
A joke tool that abuses OpenType's ligature feature to mix fonts. It works pretty fast on client-side by loading Python in WASM.
- 4
Early rogue AI agent activity and attempts to hack found on urlquery.net
transluce.org · 217 points · Discussion
Jack Cable *, 2, Daniel Chiu *, Francisco Pernice *, 3, Selena Zhang *, 1, James Anthony 1, Tetiana Bas 4, Gary Shen 4, Conrad Stosz 1, Jacob Steinhardt 1 1 Transluce · 2 Corridor · 3 MIT · 4 AIUC ·…
- 5
Nokia Design Archive (2025)
repo.aalto.fi · 200 points · Discussion
Collection information / Kokoelman tiedot Arkisto tai kokoelma: Nokia Design Archive Arkistonmuodostaja: Nokia Corporation Genre / Aineistotyyppi: Kuva Genre / Aineistotyyppi: Asiakirjat ja tekstit…
- 6
Rails World 2026 Opening Keynote [video]
youtube.com · 149 points · Discussion
Read via the links — full text wasn’t available.
- 7
My weird new hobby: Wandering around Tokyo on Google Maps
ahmedhossamdev.com · 130 points · Discussion
My weird hobby lately is just wandering around Street View and zooming in on random stuff. Houses, wires, trees, whatever. lol. Today I found a 350Z in Tokyo. It’s just sitting there on the side of…
- 8
Show HN: Whiteboard (YC W26) – An open-source IDE for thoughtful software design
github.com · 129 points · Discussion
Hello! We’re Sid, Alex, Ketan, and Milan. We’re building Whiteboard, an open-source desktop app where humans and agents can architect software together in a common workspace. Here’s our repo:…
- 9
Creatine uptake enhances antitumor immunity
cell.com · 118 points · Discussion
Read via the links — full text wasn’t available.
- 10
Why is the liver so weirdly regenerative?
dynomight.substack.com · 118 points · Discussion
dynomight.net/liver [ Epistemic Status: Speculative unifying theory of biology.] I don’t know about you, but I greatly resent having to be a biological organism and subject to all the poor engineering…
- 11
Fearless SIMD v1.0
linebender.org · 113 points · Discussion
Shnatsel, September 22, 2026 fearless_simd takes unsafe out of SIMD. It has come a long way since the original prototype 8 years ago. We are now confident that whatever it is you need, be it just…
- 12
WaveDigger: Dig into wireless signals to discover their physical locations
github.com · 73 points · Discussion
Dig into wireless signals to discover their physical locations. WaveDigger helps you find Wi-Fi access points by their BSSID (MAC address) and cell towers (LTE and 5G NR) by their network parameters.…
- 13
The forgotten battle of East Lansing
eastlansinginfo.news · 64 points · Discussion
In 1937, clashes between Michigan State College students and auto union members organizing a labor strike erupted in East Lansing. (Courtesy of MSU archives) With 3-foot-long concrete reinforcing rods…
- 14
Book review: Is parallel programming hard, and, if so, what can you do about it?
ahelwer.ca · 59 points · Discussion
Here are my thoughts on the free online textbook Is Parallel Programming Hard, And, If So, What Can You Do About It? by Paul E. McKenney, author of the Linux kernel’s RCU synchronization mechanism. I…
- 15
Geothermal heat map of US hot springs
soakingsprings.com · 55 points · Discussion
Every hot spring on this site, plotted over a map of the heat rising through the ground. The warm colors mark where heat from deep in the earth reaches the surface fastest, and the springs crowd into…
- 16
Google’s Project Suncatcher to put ML infrastructure in space
blog.google · 54 points · Discussion
https://www.nytimes.com/2026/09/24/technology/google-suncatc... ( https://archive.ph/BGFnP )
- 17
Security auditing in the age of (good enough) AI
blog.trailofbits.com · 40 points · Discussion
Security firms have published numerous blog posts describing how they pointed their agent harness at a codebase and found dozens of bugs ( we’re one of them ). However, these posts tend to focus on…
- 18
Forging 1024-bit RSA signatures in nearly SNFS time [pdf]
eprint.iacr.org · 36 points · Discussion
https://arstechnica.com/security/2026/09/theres-a-new-way-to...
- 19
Show HN: Treepeat – Code similarity detection using Tree-sitter
github.com · 36 points · Discussion
treepeat is a tool that finds similarities in your codebase. Find duplicate code blocks meaningful to the language (classes/functions), not just lines. Find near-duplicates: ignore whitespace,…
- 20
Show HN: AgentRun: DSL to turn agents into workflows
github.com · 31 points · Discussion
Hi HN, I just open sourced the DSL that our harness in grep.ai uses to turn repeatable parts of agent work into workflows. You can combine tool calls, code, Jev-powered system one decisions for things…
- 21
Using LLMs to trace alchemical knowledge and decode 17th century letters
resobscura.substack.com · 26 points · Discussion
I’ve written previously about the pitfalls and use cases for AI in augmenting historical research, but things have changed significantly since 2024-25. Occasioned by the dueling releases of GPT-6 Sol…
- 22
A Million Agents Is a Distributed System Problem
instacloud.com · 23 points · Discussion
I think about agents the way I think about people. One agent is a worker. A thousand agents is an organization, and an organization of machines is a distributed system. People keep telling me agents…
- 23
Mamdani is the most popular elected official in NYC: poll
nydailynews.com · 20 points · Discussion
Nine months into his mayoralty, Mayor Mamdani’s honeymoon phase is still going strong, according to a poll released Wednesday. Mamdani is the most popular elected official in New York City, a new poll…
- 24
Sourcehut account takeover via build logs (XSS in ansi2html)
blog.arusekk.pl · 19 points · Discussion
Welcome to my first big impact vulnerability writeup! I like good stories, so let me describe some background first. I recently had a ‘great’ idea (I know, I know, I should stop having these) to set…
- 25
Motor Characterization for Small Running Robots (2016)
robot-daycare.com · 19 points · Discussion
a.k.a. HobbyKing Cheetah. Bear with me, this is going to be a long one. Tl;DR:  I characterize a bunch of cheap brushless motors to investigate their usefulness in small running robots.…
- 26
August 27 TCRF DDoS Attack Postmortem
blog.xkeeper.net · 10 points · Discussion
…but first, a quick digression about what likely started it. Our stance on AI agents isn’t much of a secret. I recently added a new feature to The Cutting Room Floor: If you visit the site with a…
- 27
2DWillNeverDie
2dwillneverdie.com · 6 points · Discussion
Read via the links — full text wasn’t available.
- 28
The Board Game of the Alpha Nerds (2014)
grantland.com · 4 points · Discussion
I t was the summer of 1909. I was on the south coast of Spain. I remember it well because the season was almost over. Peace was within reach, I felt. There had been a vote to end the war, and the…
- 29
Opus 5.5 is good at explainer videos
launchvideo.io · 4 points · Discussion
launchvideo.io Paste a URL or describe the product. Opus 5.5 writes the film and a serverless agent renders it. About four minutes and roughly 100k tokens per video. examples Made by this page,…