4.20.26 | Vercel security incident, Claude Opus prompt changes, prolonged RAM shortage

Hacker News Highlights · Apr 20, 2026 · 14m

This is a recap of the top 10 posts on Hacker News on Apr 20, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:19) - Vercel April 2026 security incident

(02:00) - Changes in the system prompt between Claude Opus 4.6 and 4.7

(04:09) - The RAM shortage could last years

(05:22) - Turtle WoW classic server announces shutdown after Blizzard wins injunction

(06:15) - Stop trying to engineer your way out of listening to people

(07:41) - The Bromine Chokepoint

(09:01) - 2,100 Swiss municipalities showing which provider handles their…