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This is a recap of the top 10 posts on Hacker News on Jan 11, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:18) - Finding and fixing Ghostty's largest memory leak (01:32) - Open Chaos: A self-evolving open-source project (02:37) - Show HN: I used Claude Code to discover connections between 100 books (03:34) - Code and Let Live (04:45) - AI is a business model stress test (06:01) - Show HN: Ferrite – Markdown editor in Rust with native Mermaid diagram rendering (07:11) - My Home Fibre Network Disintegrated (08:11) - A battle over Canada’s mystery brain disease (09:20) - Overdose deaths are falling in America because of a 'supply shock': study (10:23) - ASCII-Driven Development (11:22) - Outro Finding and fixing Ghostty's largest memory leakhttps://mitchellh.com/writing/ghostty-memory-leak-fixhttps://news.ycombinator.com/item?id=46568794Open Chaos: A self-evolving open-source projecthttps://www.openchaos.dev/https://news.ycombinator.com/item?id=46566812Show HN: I used Claude Code to discover connections between 100 bookshttps://trails.pieterma.es/https://news.ycombinator.com/item?id=46567400Code and Let Livehttps://fly.io/blog/code-and-let-live/https://news.ycombinator.com/item?id=46557825AI is a business model stress testhttps://dri.es/ai-is-a-business-model-stress-testhttps://news.ycombinator.com/item?id=46567392Show HN: Ferrite – Markdown editor in Rust with native Mermaid diagram renderinghttps://github.com/OlaProeis/Ferritehttps://news.ycombinator.com/item?id=46571980My Home Fibre Network Disintegratedhttps://alienchow.dev/post/fibre_disintegration/https://news.ycombinator.com/item?id=46572679A battle over Canada’s mystery brain diseasehttps://www.bbc.com/news/articles/c623r47d67lohttps://news.ycombinator.com/item?id=46572769Overdose deaths are falling in America because of a 'supply shock': studyhttps://www.economist.com/united-states/2026/01/08/why-overdose-deaths-are-falling-in-americahttps://news.ycombinator.com/item?id=46569312ASCII-Driven Developmenthttps://medium.com/@calufa/ascii-driven-development-850f66661351https://news.ycombinator.com/item?id=46538628 What is Hacker News Highlights? Daily overview of the Top 10 Hacker News posts. Post and comment summarization by AI.