91: DTF:HN for April 1, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for April 1, 2026. Featuring: Is BGP Safe Yet? No. Test Your ISP, Claude Code Unpacked : A visual guide, Show HN: Sycamore – next gen Rust web UI library using fine-grained reactivity, CERN levels up with new superconducting karts, Show HN: Baton – A desktop app for developing with AI agents, and more.

Stories covered:

1. Is BGP Safe Yet? No. Test Your ISP
   (Article | HN Discussion | 🎧 0:25)
2. Claude Code Unpacked : A visual guide
   (Article | HN Discussion | 🎧 4:31)
3. Show HN: Sycamore – next gen Rust web UI library using fine-grained reactivity
   (Article | HN Discussion | 🎧 7:57)
4. CERN levels up with new superconducting karts
   (Article | HN Discussion | 🎧 11:19)
5. Show HN: Baton – A desktop app for developing with AI agents
   (Article | HN Discussion | 🎧 14:43)
6. Intuiting Pratt Parsing
   (Article | HN Discussion | 🎧 18:05)
7. Show HN: CLI to order groceries via reverse-engineered REWE API (Haskell)
   (Article | HN Discussion | 🎧 21:23)
8. Consider the Greenland Shark (2020)
   (Article | HN Discussion | 🎧 25:31)
9. Claude Wrote a Full FreeBSD Remote Kernel RCE with Root Shell (CVE-2026-4747)
   (Article | HN Discussion | 🎧 28:12)
10. New Patches Allow Building Linux IPv6-Only, Option to Deprecate "Legacy" IPv4
    (Article | HN Discussion | 🎧 31:44)