Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Jul 29, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Substack writers, you need a website
https://elizabethtai.com/2026/06/10/substack-writers-you-need-a-website/
https://news.ycombinator.com/item?id=49086788

Codex Security
https://github.com/openai/codex-security
https://news.ycombinator.com/item?id=49089755

Kimi K3 Architecture Overview and Notes
https://sebastianraschka.com/blog/2026/kimi-k3-architecture-notes.html
https://news.ycombinator.com/item?id=49085698

Delayed Gratification – Proud to Be 'Last to Breaking News'
https://www.slow-journalism.com/
https://news.ycombinator.com/item?id=49085731

Show HN: I was tired of opening 2 tabs for every HN link, so I made a userscript
https://github.com/twalichiewicz/HNewhere
https://news.ycombinator.com/item?id=49090607

Zig's Incremental Compilation Internals
https://mlugg.co.uk/posts/incremental-compilation-internals/
https://news.ycombinator.com/item?id=49085666

Steel Bank Common Lisp version 2.6.7
https://sbcl.org/all-news.html?2.6.7
https://news.ycombinator.com/item?id=49086971

Half-Life ported to Mac OS 9
https://mac-classic.com/news/half-life-ported-to-mac-os-9/
https://news.ycombinator.com/item?id=49089814

Discovering Cryptographic Weaknesses with Claude
https://www.anthropic.com/research/discovering-cryptographic-weaknesses
https://news.ycombinator.com/item?id=49087091

Una GPS smart watch – Repairable, USB-C charging, developer-friendly
https://unawatch.com/
https://news.ycombinator.com/item?id=49084813

This is a recap of the top 10 posts on Hacker News on Jul 28, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Our position on open-weights models
https://www.anthropic.com/news/position-open-weights-models
https://news.ycombinator.com/item?id=49076057

Benchmarking Opus 5 on SlopCodeBench
https://github.com/humanlayer/advanced-context-engineering-for-coding-agents/blob/main/benchmarking-opus-5-on-slop-code-bench.md
https://news.ycombinator.com/item?id=49076391

Using an open model feels surprisingly good
https://matthewsaltz.com/blog/using-an-open-model-feels-surprisingly-good/
https://news.ycombinator.com/item?id=49078583

Paged Out #9 [pdf]
https://pagedout.institute/download/PagedOut_009.pdf
https://news.ycombinator.com/item?id=49070138

Watching Go's new garbage collector move through the heap
https://theconsensus.dev/p/2026/07/19/observing-gos-garbage-collector-old-and-new.html
https://news.ycombinator.com/item?id=49045474

A $500 RL fine-tune of a 9B open model beat frontier models on catalog review
https://fermisense.com/when-machines-take-the-wheel/
https://news.ycombinator.com/item?id=49078454

Self-contained highly-portable Python distributions
https://gregoryszorc.com/docs/python-build-standalone/main/
https://news.ycombinator.com/item?id=49073942

Ray tracing massive amounts of animated geometry using tetrahedral cages
https://gpuopen.com/learn/ray-tracing-massive-amounts-animated-geometry/
https://news.ycombinator.com/item?id=49021007

Securing Services with Rootless Containers
https://blog.coderspirit.xyz/blog/2026/07/06/securing-services-with-rootless-containers/
https://news.ycombinator.com/item?id=49021024

RTX 2080 Ti Memory Upgrade to 22 GB
https://gpusolutions.net/rbservices/graphics-card-upgrade/
https://news.ycombinator.com/item?id=49041256

This is a recap of the top 10 posts on Hacker News on Jul 27, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Kill The Cookie Banner
https://killthecookiebanner.eu/
https://news.ycombinator.com/item?id=49057175

US citizen charged after GrapheneOS phone wipes during airport search
https://www.techspot.com/news/113236-us-prosecutors-charge-atlanta-man-after-grapheneos-phone.html
https://news.ycombinator.com/item?id=49063022

PGSimCity - How PostgreSQL Works
https://nikolays.github.io/PGSimCity/
https://news.ycombinator.com/item?id=49063754

Htmx 4.0, the first JavaScript library to release exclusively on the Game Boy
https://swag.htmx.org/en-cad/products/htmx-4-the-game
https://news.ycombinator.com/item?id=49057241

French firefighters face 'pyrocumulonimbus' for first time
https://www.france24.com/en/live-news/20260726-french-firefighters-face-pyrocumulonimbus-for-first-time
https://news.ycombinator.com/item?id=49060495

Decker, a platform that builds on the legacy of Hypercard and classic macOS
https://beyondloom.com/decker/
https://news.ycombinator.com/item?id=49060856

Show HN: Physically accurate black hole you can put in your room
https://blackhole.plav.in
https://news.ycombinator.com/item?id=49021270

Design is compromise
https://stephango.com/design-is-compromise
https://news.ycombinator.com/item?id=49059367

Show HN: Reverse Minesweeper
https://sunflowersgame.com/
https://news.ycombinator.com/item?id=49057666

I learned PCB design, 3D printing and C just to listen to music
https://pentaton.app/blog/2026-07-12-introducing-pentaton-lp/
https://news.ycombinator.com/item?id=49022355

This is a recap of the top 10 posts on Hacker News on Jul 26, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

The new rules of context engineering for Claude 5 generation models
https://claude.com/blog/the-new-rules-of-context-engineering-for-claude-5-generation-models
https://news.ycombinator.com/item?id=49051361

Turn And Face The Strange
https://fly.io/blog/kurt-scott-money-sprites/
https://news.ycombinator.com/item?id=49051369

JetZero
https://www.jetzero.aero
https://news.ycombinator.com/item?id=49054224

Show HN: Brolly, a plain-text weather forecast site
https://brolly.sh/forecast/RWFP2qW8
https://news.ycombinator.com/item?id=49049693

GM Backs Sodium Ion Batteries for U.S. Grid Storage
https://spectrum.ieee.org/sodium-ion-battery-peak-energy
https://news.ycombinator.com/item?id=49051947

Show HN: I made some transistor animations
https://brandonli.net/semisim/animations
https://news.ycombinator.com/item?id=49039868

Running a 28.9M parameter LLM on an $8 microcontroller
https://github.com/slvDev/esp32-ai
https://news.ycombinator.com/item?id=49050512

LLM Usage in Debian: Three Proposals
https://www.debian.org/vote/2026/vote_002
https://news.ycombinator.com/item?id=49050859

Producing ammonia and fertiliser using wind power in Morris, Minnesota
https://ammoniaenergy.org/articles/flexible-renewable-ammonia-demonstrator-now-operational-in-minnesota/
https://news.ycombinator.com/item?id=49050735

This is a recap of the top 10 posts on Hacker News on Jul 25, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Claude Opus 5
https://www.anthropic.com/news/claude-opus-5
https://news.ycombinator.com/item?id=49038433

Nvidia, Microsoft, Meta warn against overregulating open-weight models
https://www.cnbc.com/2026/07/24/nvidia-microsoft-meta-open-weight-ai-models.html
https://news.ycombinator.com/item?id=49035303

India's first privately-developed rocket reaches orbit on debut launch
https://arstechnica.com/space/2026/07/indias-first-privately-developed-rocket-reaches-orbit-on-dramatic-debut-launch/
https://news.ycombinator.com/item?id=48973835

My security camera shipped a GitHub admin token in its login page
https://hhh.hn/hanwha-github-token/
https://news.ycombinator.com/item?id=49034292

Firefox Containers Preview
https://blog.mozilla.org/en/firefox/firefox-containers-preview/
https://news.ycombinator.com/item?id=48995409

Half-Life 2 running natively on HaikuOS
https://discuss.haiku-os.org/t/haiku-nvidia-porting-nvidia-driver-for-turing-gpus/16520?page=18
https://news.ycombinator.com/item?id=49034868

Postgres LISTEN/NOTIFY actually scales
https://www.dbos.dev/blog/postgres-listen-notify-scalability
https://news.ycombinator.com/item?id=49040296

IRGC claims it destroyed Amazon's Bahrain data center
https://houseofsaud.com/irgc-claims-destroyed-amazon-bahrain-data-center/
https://news.ycombinator.com/item?id=49033240

Buz – A fork of Bun using modern Zig, with sub-1s incremental builds
https://ziggit.dev/t/buz-a-drop-in-replacement-for-bun-using-modern-zig-with-sub-1s-incremental-builds/16891
https://news.ycombinator.com/item?id=49033099

Opus 5 is currently #1 on Artificial Analysis Intelligence Leaderboard
https://artificialanalysis.ai/models
https://news.ycombinator.com/item?id=49040741

This is a recap of the top 10 posts on Hacker News on Jul 24, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Writing by hand is good for your brain
https://nealstephenson.substack.com/p/writing-by-hand-is-good-for-your
https://news.ycombinator.com/item?id=49022152

Startup founders urge U.S. government not to shut off Chinese open weight AI
https://www.politico.com/news/2026/07/22/startup-founders-urge-trump-not-to-shut-off-chinese-open-weight-ai-01008992
https://news.ycombinator.com/item?id=49023016

OpenAI’s accidental attack against Hugging Face is science fiction that happened
https://simonwillison.net/2026/Jul/22/openai-cyberattack/
https://news.ycombinator.com/item?id=49015639

98.css
https://jdan.github.io/98.css/#status-bar
https://news.ycombinator.com/item?id=49028927

Show HN: Echo – Fable-level results at 1/3 the cost using open-weight models
https://news.ycombinator.com/item?id=49026810

What happened to TheNumbers.com
https://stephenfollows.com/p/what-just-happened-to-thenumberscom-should-worry-us-all
https://news.ycombinator.com/item?id=49024691

The Beam Engine
https://glinscott.github.io/beam-engine/
https://news.ycombinator.com/item?id=49007221

Why Software Factories Fail (or: harness engineering is not enough)
https://github.com/humanlayer/advanced-context-engineering-for-coding-agents/blob/main/wsff.md
https://news.ycombinator.com/item?id=49023019

Software rendering in 500 lines of bare C++
https://haqr.eu/tinyrenderer/
https://news.ycombinator.com/item?id=49022038

The arguments against open source AI are bad
https://tombedor.dev/arguments-against-open-source-ai-are-very-bad/
https://news.ycombinator.com/item?id=49024643

This is a recap of the top 10 posts on Hacker News on Jul 23, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Terence Tao's ChatGPT conversation about the Jacobian Conjecture counterexample
https://chatgpt.com/share/6a5fdc7a-d6f8-83e8-bbea-8deb42cfed56
https://news.ycombinator.com/item?id=49010345

Show HN: Bento - An entire PowerPoint in one HTML file (edit+view+data+collab)
https://bento.page/slides/
https://news.ycombinator.com/item?id=49008211

John C. Dvorak has died
https://twitter.com/na_announce/status/2079952538040672302
https://news.ycombinator.com/item?id=49012070

Are AI labs pelicanmaxxing?
https://dylancastillo.co/posts/pelicanmaxxing.html
https://news.ycombinator.com/item?id=49010129

GigaToken: ~1000x faster Language model tokenization
https://github.com/marcelroed/gigatoken/
https://news.ycombinator.com/item?id=49010167

So Reddit has decided that plain HTML is unsafe
https://www.cole-k.com/2026/07/21/reddit/
https://news.ycombinator.com/item?id=49005747

The startup's Postgres survival guide
https://hatchet.run/blog/postgres-survival-guide
https://news.ycombinator.com/item?id=49005787

Everyone should know SIMD
https://mitchellh.com/writing/everyone-should-know-simd
https://news.ycombinator.com/item?id=49010648

Making
https://beej.us/blog/data/ai-making/
https://news.ycombinator.com/item?id=49008440

Quality non-fiction books are the antithesis of AI slop
https://resobscura.substack.com/p/quality-non-fiction-books-are-the
https://news.ycombinator.com/item?id=49007247

This is a recap of the top 10 posts on Hacker News on Jul 22, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

OpenAI and Hugging Face address security incident during model evaluation
https://openai.com/index/hugging-face-model-evaluation-security-incident/
https://news.ycombinator.com/item?id=48997548

Advertise in ChatGPT
https://ads.openai.com/
https://news.ycombinator.com/item?id=48996571

Gemini 3.6 Flash, 3.5 Flash-Lite, and 3.5 Flash Cyber
https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-6-flash-3-5-flash-lite-3-5-flash-cyber/
https://news.ycombinator.com/item?id=48993414

Kimi K3 Is Competitive with Fable; Kimi K3 and Fable Is SoTA
https://fireworks.ai/blog/kimik3-fable
https://news.ycombinator.com/item?id=48999291

FreeInk: Open ecosystem for e-readers
https://freeink.org/
https://news.ycombinator.com/item?id=48996318

'VPNs are lawful technical tools,' says EU Court in landmark copyright ruling
https://www.techradar.com/vpn/vpn-privacy-security/vpns-are-lawful-technical-tools-says-eu-court-in-landmark-anne-frank-copyright-ruling
https://news.ycombinator.com/item?id=48997221

Apple defeats liability for not scanning iCloud for CSAM
https://blog.ericgoldman.org/archives/2026/07/apple-defeats-liability-for-not-scanning-icloud-for-csam-but-the-judge-was-not-pleased-amy-v-apple.htm
https://news.ycombinator.com/item?id=48992870

Long presumed dead, a thriving coral reef is discovered in West Africa
https://e360.yale.edu/digest/benin-coral-reef
https://news.ycombinator.com/item?id=48993816

Judge approves $1.5B Anthropic settlement for pirated books used to train Claude
https://apnews.com/article/ai-anthropic-copyright-settlement-claude-books-bartz-74b140444023898aeba8579b6e9f0d63
https://news.ycombinator.com/item?id=48996652

Jack Dorsey launches Buzz to combine team chat, AI agents and Git hosting
https://runtimewire.com/article/jack-dorsey-block-buzz-team-chat-ai-agents-git
https://news.ycombinator.com/item?id=48995213

This is a recap of the top 10 posts on Hacker News on Jul 21, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

China’s open-weights AI strategy is winning
https://werd.io/american-ai-is-locked-down-and-proprietary-its-losing/
https://news.ycombinator.com/item?id=48979269

Hacker wipes Romania's land registry database
https://news.risky.biz/risky-bulletin-hacker-wipes-romanias-entire-land-registry-database/
https://news.ycombinator.com/item?id=48978605

Who's afraid of Chinese models?
https://stratechery.com/2026/whos-afraid-of-chinese-models/
https://news.ycombinator.com/item?id=48977128

Kimi Work
https://www.kimi.com/products/kimi-work
https://news.ycombinator.com/item?id=48981703

Jelly UI: Soft-body physics for native HTML form controls
https://jelly-ui.com/
https://news.ycombinator.com/item?id=48981620

Flock Credibility Lost as It Repeatedly Lies to City Councils, Police, & Public
https://www.aclu.org/news/privacy-technology/tracking-alpr-cameras/flock-safety-credibility-lost-as-it-repeatedly-lies-to-city-councils-police-departments-and-public-across-the-country
https://news.ycombinator.com/item?id=48986731

Human mathematicians are being outcounterexampled
https://xenaproject.wordpress.com/2026/07/20/human-mathematicians-are-being-outcounterexampled/
https://news.ycombinator.com/item?id=48983382

Nativ: Run frontier open models locally on your Mac
https://blaizzy.github.io/nativ/
https://news.ycombinator.com/item?id=48982681

Perfection is not over-engineering
https://var0.xyz/posts/perfection-is-not-over-engineering.html
https://news.ycombinator.com/item?id=48979120

Jellyfin founder Andrew leaves team
https://forum.jellyfin.org/t-project-leadership-changes
https://news.ycombinator.com/item?id=48986091

This is a recap of the top 10 posts on Hacker News on Jul 20, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s
https://news.ycombinator.com/item?id=48968606

Qwen 3.8
https://twitter.com/Alibaba_Qwen/status/2078759124914098291
https://news.ycombinator.com/item?id=48966120

Claude Code uses Bun written in Rust now
https://simonwillison.net/2026/Jul/19/claude-code-in-bun-in-rust/
https://news.ycombinator.com/item?id=48966569

What I learned selling 2,500 MIDI recorders: Hardware is not so hard
https://chipweinberger.com/articles/20260719-hardware-is-not-so-hard
https://news.ycombinator.com/item?id=48966713

Claude Fable produced a counterexample to the Jacobian Conjecture
https://xcancel.com/__alpoge__/status/2079028340955197566
https://news.ycombinator.com/item?id=48973869

Minecraft: Java Edition now uses SDL3
https://www.minecraft.net/en-us/article/minecraft-26-3-snapshot-4
https://news.ycombinator.com/item?id=48967256

I joined the IndieWeb, here's what I learned
https://en.andros.dev/blog/0b8e451e/i-joined-the-indieweb-heres-what-i-learned/
https://news.ycombinator.com/item?id=48966984

Orion Browser by Kagi
https://orionbrowser.com/
https://news.ycombinator.com/item?id=48970894

The Zen of Parallel Programming
https://smolnero.com/posts/the-zen-of-parallel-programming
https://news.ycombinator.com/item?id=48907390

Bananas sprout in Rayleigh Garden UK after 15 years
https://www.bbc.com/news/articles/cvg8edqq5g5o
https://news.ycombinator.com/item?id=48968063