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 https://www.datagubbe.se/aipixels/ HN discussion: https://news.ycombinator.com/item?id=47570666 2. ChatGPT won't let you type until Cloudflare reads your React state https://www.buchodi.com/chatgpt-wont-let-you-type-until-cloudflare-reads-your-react-state-i-decrypted-the-program-that-does-it/ HN discussion: https://news.ycombinator.com/item?id=47566865 3. I use excalidraw to manage my diagrams for my blog https://blog.lysk.tech/excalidraw-frame-export/ HN discussion: https://news.ycombinator.com/item?id=47571376 4. Hamilton-Jacobi-Bellman Equation: Reinforcement Learning and Diffusion Models https://dani2442.github.io/posts/continuous-rl/ HN discussion: https://news.ycombinator.com/item?id=47571495 5. VHDL's Crown Jewel https://www.sigasi.com/opinion/jan/vhdls-crown-jewel/ HN discussion: https://news.ycombinator.com/item?id=47570435 6. Voyager 1 runs on 69 KB of memory and an 8-track tape recorder https://techfixated.com/a-1977-time-capsule-voyager-1-runs-on-69-kb-of-memory-and-an-8-track-tape-recorder-4/ HN discussion: https://news.ycombinator.com/item?id=47564421 7. Copilot edited an ad into my PR https://notes.zachmanson.com/copilot-edited-an-ad-into-my-pr/ HN discussion: https://news.ycombinator.com/item?id=47570269 8. 15 Years of Forking https://www.waterfox.com/blog/15-years-of-forking/ HN discussion: https://news.ycombinator.com/item?id=47545607 9. Coding agents could make free software matter again https://www.gjlondon.com/blog/ai-agents-could-make-free-software-matter-again/ HN discussion: https://news.ycombinator.com/item?id=47568028 10. Ninja is a small build system with a focus on speed https://github.com/ninja-build/ninja HN discussion: https://news.ycombinator.com/item?id=47540903