Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Mar 21, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

  • (00:00) - Intro
  • (00:17) - OpenCode – Open source AI coding agent
  • (01:38) - Delve – Fake Compliance as a Service
  • (02:49) - France's aircraft carrier located in real time by Le Monde through fitness app
  • (04:15) - Our commitment to Windows quality
  • (05:41) - The Los Angeles Aqueduct Is Wild
  • (06:57) - A Japanese glossary of chopsticks faux pas (2022)
  • (08:16) - Ghostling
  • (09:23) - We rewrote our Rust WASM parser in TypeScript and it got faster
  • (11:06) - VisiCalc Reconstructed
  • (12:27) - Entso-E final report on Iberian 2025 blackout
  • (14:06) - Outro

OpenCode – Open source AI coding agent
https://opencode.ai/
https://news.ycombinator.com/item?id=47460525

Delve – Fake Compliance as a Service
https://deepdelver.substack.com/p/delve-fake-compliance-as-a-service
https://news.ycombinator.com/item?id=47444319

France's aircraft carrier located in real time by Le Monde through fitness app
https://www.lemonde.fr/en/international/article/2026/03/20/stravaleaks-france-s-aircraft-carrier-located-in-real-time-by-le-monde-through-fitness-app_6751640_4.html
https://news.ycombinator.com/item?id=47453942

Our commitment to Windows quality
https://blogs.windows.com/windows-insider/2026/03/20/our-commitment-to-windows-quality/
https://news.ycombinator.com/item?id=47459296

The Los Angeles Aqueduct Is Wild
https://practical.engineering/blog/2026/3/17/the-los-angeles-aqueduct-is-wild
https://news.ycombinator.com/item?id=47416543

A Japanese glossary of chopsticks faux pas (2022)
https://www.nippon.com/en/japan-data/h01362/
https://news.ycombinator.com/item?id=47460452

Ghostling
https://github.com/ghostty-org/ghostling
https://news.ycombinator.com/item?id=47461378

We rewrote our Rust WASM parser in TypeScript and it got faster
https://www.openui.com/blog/rust-wasm-parser
https://news.ycombinator.com/item?id=47461094

VisiCalc Reconstructed
https://zserge.com/posts/visicalc/
https://news.ycombinator.com/item?id=47410871

Entso-E final report on Iberian 2025 blackout
https://www.entsoe.eu/publications/blackout/28-april-2025-iberian-blackout/
https://news.ycombinator.com/item?id=47452955

What is Hacker News Highlights?

Daily overview of the Top 10 Hacker News posts. Post and comment summarization by AI.