DTF:HN for July 25, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for July 25, 2026. Featuring: Android May Soon Restrict On-Device ADB, Claude Opus 5, Hannah Fry Wins the Leelavati Prize in 2026 for Mathematics Outreach, ARC-AGI Leaderboard, Building a Tiny 3D Renderer for a Tiny Handheld, and more. Stories covered: 1. Android May Soon Restrict On-Device ADB https://kitsumed.github.io/blog/posts/android-may-soon-restrict-on-device-adb/ HN discussion: https://news.ycombinator.com/item?id=49045159 2. Claude Opus 5 https://www.anthropic.com/news/claude-opus-5 HN discussion: https://news.ycombinator.com/item?id=49038433 3. Hannah Fry Wins the Leelavati Prize in 2026 for Mathematics Outreach https://www.maths.cam.ac.uk/features/professor-hannah-fry-wins-leelavati-prize HN discussion: https://news.ycombinator.com/item?id=49043724 4. ARC-AGI Leaderboard https://arcprize.org/leaderboard HN discussion: https://news.ycombinator.com/item?id=49045040 5. Building a Tiny 3D Renderer for a Tiny Handheld https://saffroncr.itch.io/katavatis/devlog/1534514/building-a-tiny-3d-renderer-for-a-tiny-handheld HN discussion: https://news.ycombinator.com/item?id=49010993 6. GC and Exceptions in Wasmtime https://bytecodealliance.org/articles/wasmtime-gc HN discussion: https://news.ycombinator.com/item?id=48981665 7. NYC Apartment Aquaponics https://erinmurphy.dev/projects/project-2/ HN discussion: https://news.ycombinator.com/item?id=48979836 8. UK AISI / Caisi Preliminary Assessment of Kimi K3's Cyber Capabilities https://www.nist.gov/news-events/news/2026/07/uk-aisi-caisi-preliminary-assessment-kimi-k3s-cyber-capabilities HN discussion: https://news.ycombinator.com/item?id=49044492 9. Charles Ross spent 50 yrs building Star Axis naked-eye observatory in New Mexico https://www.nytimes.com/2026/07/22/arts/design/charles-ross-star-axis-land-art.html HN discussion: https://news.ycombinator.com/item?id=49014034 10. Postgres LISTEN/NOTIFY actually scales https://www.dbos.dev/blog/postgres-listen-notify-scalability HN discussion: https://news.ycombinator.com/item?id=49040296