170: DTF:HN for June 19, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for June 19, 2026. Featuring: Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28, DuckDB Internals: Why Is DuckDB Fast? (Part 1), To study how chips work, MIT researchers built their own operating system, So You Want to Define a Well-Known URI, Ten years of ClickHouse in open source, and more.

Stories covered:

1. Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28
   (Article | HN Discussion | 🎧 0:31)
2. DuckDB Internals: Why Is DuckDB Fast? (Part 1)
   (Article | HN Discussion | 🎧 4:19)
3. To study how chips work, MIT researchers built their own operating system
   (Article | HN Discussion | 🎧 8:14)
4. So You Want to Define a Well-Known URI
   (Article | HN Discussion | 🎧 11:51)
5. Ten years of ClickHouse in open source
   (Article | HN Discussion | 🎧 15:36)
6. Gribouille 0.3.0: A Grammar of Graphics for Typst
   (Article | HN Discussion | 🎧 18:51)
7. I found 10k GitHub repositories distributing Trojan malware
   (Article | HN Discussion | 🎧 21:59)
8. Zen and the Art of Machine Learning Research
   (Article | HN Discussion | 🎧 25:04)
9. The Raku Foundation is born
   (Article | HN Discussion | 🎧 28:23)
10. Zero-Touch OAuth for MCP
    (Article | HN Discussion | 🎧 31:17)