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Stories from August 19, 2025
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1.
How we exploited CodeRabbit: From simple PR to RCE and write access on 1M repos (kudelskisecurity.com)
686 points by spiridow 5 days ago | 225 comments
2.
Without the futex, it's futile (h4x0r.org)
304 points by eatonphil 5 days ago | 154 comments
3.
D2 (text to diagram tool) now supports ASCII renders (d2lang.com)
439 points by alixanderwang 5 days ago | 72 comments
4.
Candle Flame Oscillations as a Clock (cpldcpu.com)
337 points by cpldcpu 8 days ago | 77 comments
5.
Custom telescope mount using harmonic drives and ESP32 (svendewaerhert.com)
309 points by waerhert 5 days ago | 114 comments
6.
Emacs as your video-trimming tool (xenodium.com)
286 points by xenodium 5 days ago | 166 comments
7.
How to Draw a Space Invader (muffinman.io)
548 points by abdusco 4 days ago | 55 comments
8.
OpenMower – An open source lawn mower (github.com/clemenselflein)
600 points by rickcarlino 5 days ago | 190 comments
9.
Lazy-brush – smooth drawing with mouse or finger (dulnan.net)
594 points by tvdvd 9 days ago | 73 comments
10.
How to Build a Medieval Castle (archaeology.org)
242 points by benbreen 5 days ago | 76 comments
11.
Ted Chiang: The Secret Third Thing (linch.substack.com)
292 points by pseudolus 5 days ago | 144 comments
12.
How Figma’s multiplayer technology works (2019) (figma.com)
175 points by redbell 8 days ago | 54 comments
13.
X-ray scans reveal Buddhist prayers inside tiny Tibetan scrolls (popsci.com)
166 points by Hooke 7 days ago | 69 comments
14.
Croatian freediver held breath for 29 minutes (divernet.com)
300 points by toomanyrichies 5 days ago | 166 comments
15.
Prime Number Grid (susam.net)
295 points by todsacerdoti 5 days ago | 96 comments
16.
AnduinOS (anduinos.com)
145 points by TheFreim 5 days ago | 214 comments
17.
CRDT: Text Buffer (madebyevan.com)
160 points by skadamat 4 days ago | 13 comments
18.
Geotoy – Shadertoy for 3D Geometry (ameo.design)
146 points by Ameo 6 days ago | 24 comments
19.
Launch HN: Uplift (YC S25) – Voice models for under-served languages
112 points by zaidqureshi 5 days ago | 51 comments
20.
An IRC-Enabled Lawn Mower (2021) (idlerpg.net)
124 points by rickcarlino 7 days ago | 25 comments
21.
Show HN: OpenAI/reflect – Physical AI Assistant that illuminates your life (github.com/openai)
90 points by Sean-Der 4 days ago | 52 comments
22.
Passive Microwave Repeaters (computer.rip)
123 points by BallsInIt 7 days ago | 26 comments
23.
Why Semantic Layers Matter (and how to build one with DuckDB) (motherduck.com)
151 points by secondrow 5 days ago | 45 comments
24.
Drunken Bishop (2023) (factorcode.org)
82 points by todsacerdoti 4 days ago | 16 comments
25.
Newgrounds: Flash Forward 2025 (newgrounds.com)
110 points by lsferreira42 5 days ago | 45 comments
26.
"Remove mentions of XSLT from the html spec" (github.com/whatwg)
387 points by troupo 5 days ago | 532 comments
27.
Shamelessness as a strategy (2019) (nadia.xyz)
232 points by wdaher 5 days ago | 165 comments
28.
A renovation project in Turkey led to the discovery of a lost city (2023) (atlasobscura.com)
89 points by areoform 5 days ago | 28 comments
29.
Critical Cache Poisoning Vulnerability in Dnsmasq (thekelleys.org.uk)
130 points by westurner 5 days ago | 114 comments
30.
Notion releases offline mode (notion.com)
241 points by ericzawo 5 days ago | 182 comments

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