DTF:HN for May 2, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for May 2, 2026. Featuring: How fast is a macOS VM, and how small could it be?, Why does it take so long to release black fan versions?, Show HN: Mljar Studio – local AI data analyst that saves analysis as notebooks, Why are there both TMP and TEMP environment variables? (2015), Show HN: DAC – open-source dashboard as code tool for agents and humans, and more. Stories covered: 1. How fast is a macOS VM, and how small could it be? https://eclecticlight.co/2026/05/02/how-fast-is-a-macos-vm-and-how-small-could-it-be/ HN discussion: https://news.ycombinator.com/item?id=47984852 2. Why does it take so long to release black fan versions? https://www.noctua.at/en/expertise/blog/how-can-it-take-so-long-to-release-black-fan-versions HN discussion: https://news.ycombinator.com/item?id=47983352 3. Show HN: Mljar Studio – local AI data analyst that saves analysis as notebooks https://mljar.com/ HN discussion: https://news.ycombinator.com/item?id=47985077 4. Why are there both TMP and TEMP environment variables? (2015) https://devblogs.microsoft.com/oldnewthing/20150417-00/?p=44213 HN discussion: https://news.ycombinator.com/item?id=47984522 5. Show HN: DAC – open-source dashboard as code tool for agents and humans https://github.com/bruin-data/dac HN discussion: https://news.ycombinator.com/item?id=47949066 6. Show HN: Browser-based light pollution simulator using real photometric data https://iesna.eu/?wasm=skyglow_demo HN discussion: https://news.ycombinator.com/item?id=47984734 7. Ti-84 Evo https://education.ti.com/en/products/calculators/graphing-calculators/ti-84-evo HN discussion: https://news.ycombinator.com/item?id=47979583 8. Show HN: Filling PDF forms with AI using client-side tool calling https://copilot.simplepdf.com/?share=a7d00ad073c75a75d493228e6ff7b11eb3f2d945b6175913e87898ec96ca8076&form=w9&lang=en HN discussion: https://news.ycombinator.com/item?id=47984675 9. SKILL.make: Makefile Styled Skill File https://github.com/Teaonly/SKILL.make HN discussion: https://news.ycombinator.com/item?id=47984486 10. The USB Situation https://randsinrepose.com/archives/the-usb-situation/ HN discussion: https://news.ycombinator.com/item?id=47950993