7.25.25 | Graphene OS enhances Android security, Memory safety requires thread safety, AMD CEO predicts TSMC US plant chips 5%-20% pricier

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This is a recap of the top 10 posts on Hacker News on Jul 25, 2025.Graphene OS: a security-enhanced Android buildhttps://lwn.net/SubscriberLink/1030004/898017c7953c0946/https://news.ycombinator.com/item?id=44676691There is no memory safety without thread safetyhttps://www.ralfj.de/blog/2025/07/24/memory-safety.htmlhttps://news.ycombinator.com/item?id=44672003AMD CEO sees chips from TSMC's US plant costing 5%-20% morehttps://www.bloomberg.com/news/articles/2025-07-23/amd-ceo-su-sees-chips-from-us-tsmc-plant-costing-5-to-20-morehttps://news.ycombinator.com/item?id=44663074I wasted weeks hand optimizing assembly because I benchmarked on random datahttps://www.vidarholen.net/contents/blog/?p=1160https://news.ycombinator.com/item?id=44632674Scientists may have found a way to eliminate chromosome linked to Down syndromehttps://academic.oup.com/pnasnexus/article/4/2/pgaf022/8016019https://news.ycombinator.com/item?id=44676817Open Source Maintenance Feehttps://github.com/wixtoolset/issues/issues/8974https://news.ycombinator.com/item?id=44669858Use Your Type Systemhttps://www.dzombak.com/blog/2025/07/use-your-type-system/https://news.ycombinator.com/item?id=44671484PSA: SQLite WAL checksums fail silently and may lose datahttps://avi.im/blag/2025/sqlite-wal-checksum/https://news.ycombinator.com/item?id=44671373Vet is a safety net for the curl | bash patternhttps://github.com/vet-run/vethttps://news.ycombinator.com/item?id=44669998Positron – A next-generation data science IDEhttps://positron.posit.co/https://news.ycombinator.com/item?id=44634598