80: DTF:HN for March 21, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for March 21, 2026. Featuring: OpenCode – Open source AI coding agent, Mamba-3, FFmpeg 101 (2024), A Japanese glossary of chopsticks faux pas (2022), Molly Guard, and more.

Stories covered:

1. OpenCode – Open source AI coding agent
   (Article | HN Discussion)
2. Mamba-3
   (Article | HN Discussion)
3. FFmpeg 101 (2024)
   (Article | HN Discussion)
4. A Japanese glossary of chopsticks faux pas (2022)
   (Article | HN Discussion)
5. Molly Guard
   (Article | HN Discussion)
6. We rewrote our Rust WASM parser in TypeScript and it got faster
   (Article | HN Discussion)
7. Ghostling
   (Article | HN Discussion)
8. Fujifilm X RAW STUDIO webapp clone
   (Article | HN Discussion)
9. Linux Applications Programming by Example: The Fundamental APIs (2nd Edition)
   (Article | HN Discussion)
10. The Los Angeles Aqueduct Is Wild
    (Article | HN Discussion)