9.22.26 | MiMo v2.6 update, importance of attention, reluctance to read unoriginal content

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