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This is a recap of the top 10 posts on Hacker News on Jan 22, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:18) - Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps) (01:20) - Claude's new constitution (02:29) - Skip is now free and open source (03:41) - Waiting for dawn in search: Search index, Google rulings and impact on Kagi (05:00) - Show HN: Sweep, Open-weights 1.5B model for next-edit autocomplete (06:02) - Nested code fences in Markdown (06:57) - Can you slim macOS down? (08:02) - Your brain on ChatGPT: Accumulation of cognitive debt when using an AI assistant (09:14) - JPEG XL Test Page (10:09) - Significant US farm losses persist, despite federal assistance (11:26) - Outro Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps)https://github.com/ChartGPU/ChartGPUhttps://news.ycombinator.com/item?id=46706528Claude's new constitutionhttps://www.anthropic.com/news/claude-new-constitutionhttps://news.ycombinator.com/item?id=46707572Skip is now free and open sourcehttps://skip.dev/blog/skip-is-free/https://news.ycombinator.com/item?id=46706906Waiting for dawn in search: Search index, Google rulings and impact on Kagihttps://blog.kagi.com/waiting-dawn-searchhttps://news.ycombinator.com/item?id=46708678Show HN: Sweep, Open-weights 1.5B model for next-edit autocompletehttps://huggingface.co/sweepai/sweep-next-edit-1.5Bhttps://news.ycombinator.com/item?id=46713106Nested code fences in Markdownhttps://susam.net/nested-code-fences.htmlhttps://news.ycombinator.com/item?id=46705201Can you slim macOS down?https://eclecticlight.co/2026/01/21/can-you-slim-macos-down/https://news.ycombinator.com/item?id=46702411Your brain on ChatGPT: Accumulation of cognitive debt when using an AI assistanthttps://www.media.mit.edu/publications/your-brain-on-chatgpt/https://news.ycombinator.com/item?id=46712678JPEG XL Test Pagehttps://tildeweb.nl/~michiel/jxl/https://news.ycombinator.com/item?id=46708032Significant US farm losses persist, despite federal assistancehttps://www.fb.org/market-intel/significant-farm-losses-persist-despite-federal-assistancehttps://news.ycombinator.com/item?id=46713929 What is Hacker News Highlights? Daily overview of the Top 10 Hacker News posts. Post and comment summarization by AI.