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This is a recap of the top 10 posts on Hacker News on Sep 19, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:16) - Android 17 is the first since 3.x to add new APIs without releasing to the AOSP (01:34) - Cloudflare Quick Tunnels (03:05) - OpenJev (04:37) - Saving another 100TB of RAM (05:51) - Inside ZCode: Silently uploading your Git history to the cloud (07:50) - Minimal Phone 2 (09:01) - The first new cat species discovered in 100 years (10:08) - Human brain is two separate organs, Stanford Medicine-led research finds (11:21) - Show HN: Cactus Needle 3: 8-29MB automation models can match DeepSeek V4 Flash (12:56) - Photon-Emission-Guided Laser Fault Injection Enables RP2350 Secure Debug (14:23) - Outro Android 17 is the first since 3.x to add new APIs without releasing to the AOSPhttps://grapheneos.social/@GrapheneOS/117282080803799576https://news.ycombinator.com/item?id=49758736Cloudflare Quick Tunnelshttps://try.cloudflare.com/https://news.ycombinator.com/item?id=49754785OpenJevhttps://openjev.com/https://news.ycombinator.com/item?id=49752041Saving another 100TB of RAMhttps://blog.cloudflare.com/saving-100-tb-of-ram-with-math/https://news.ycombinator.com/item?id=49758580Inside ZCode: Silently uploading your Git history to the cloudhttps://blog.ferstar.org/en/posts/zcode-silent-workspace-snapshot-upload/https://news.ycombinator.com/item?id=49750694Minimal Phone 2https://minimalcompany.com/https://news.ycombinator.com/item?id=49749369The first new cat species discovered in 100 yearshttps://www.nationalgeographic.com/animals/article/meet-the-first-new-cat-species-discovered-in-100-yearshttps://news.ycombinator.com/item?id=49744704Human brain is two separate organs, Stanford Medicine-led research findshttps://med.stanford.edu/news/all-news/2026/09/two-separate-brains.htmlhttps://news.ycombinator.com/item?id=49763697Show HN: Cactus Needle 3: 8-29MB automation models can match DeepSeek V4 Flashhttps://cactuscompute.com/needlehttps://news.ycombinator.com/item?id=49748553Photon-Emission-Guided Laser Fault Injection Enables RP2350 Secure Debughttps://donjon.ledger.com/blog/rp2350-secure-debug-laser-fault-injection/https://news.ycombinator.com/item?id=49757050 What is Hacker News Highlights? Daily overview of the Top 10 Hacker News posts. Post and comment summarization by AI.