89: DTF:HN for March 30, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for March 30, 2026. Featuring: The curious case of retro demo scene graphics, ChatGPT won't let you type until Cloudflare reads your React state, I use excalidraw to manage my diagrams for my blog, Hamilton-Jacobi-Bellman Equation: Reinforcement Learning and Diffusion Models, VHDL's Crown Jewel, and more.

Stories covered:

1. The curious case of retro demo scene graphics
   (Article | HN Discussion | 🎧 0:25)
2. ChatGPT won't let you type until Cloudflare reads your React state
   (Article | HN Discussion | 🎧 3:53)
3. I use excalidraw to manage my diagrams for my blog
   (Article | HN Discussion | 🎧 7:06)
4. Hamilton-Jacobi-Bellman Equation: Reinforcement Learning and Diffusion Models
   (Article | HN Discussion | 🎧 10:31)
5. VHDL's Crown Jewel
   (Article | HN Discussion | 🎧 13:42)
6. Voyager 1 runs on 69 KB of memory and an 8-track tape recorder
   (Article | HN Discussion | 🎧 17:14)
7. Copilot edited an ad into my PR
   (Article | HN Discussion | 🎧 20:51)
8. 15 Years of Forking
   (Article | HN Discussion | 🎧 24:03)
9. Coding agents could make free software matter again
   (Article | HN Discussion | 🎧 27:30)
10. Ninja is a small build system with a focus on speed
    (Article | HN Discussion | 🎧 30:40)