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

Hacker News Highlights · Sep 22, 2026 · 13m

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) -…