7.29.26 | Substack writers need a website, Codex Security, Kimi K3 Architecture Overview

Hacker News Highlights · Jul 29, 2026 · 13m

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

(00:19) - Substack writers, you need a website

(01:46) - Codex Security

(03:13) - Kimi K3 Architecture Overview and Notes

(04:40) - Delayed Gratification – Proud to Be 'Last to Breaking News'

(05:55) - Show HN: I was tired of opening 2 tabs for every HN link, so I made a userscript

(07:10) - Zig's Incremental Compilation Internals

(08:48) - Steel Bank Common Lisp version 2.6.7

(09:56) - Half-Life ported to Mac OS 9

(11:05)…