Daily builder brief

Today's hottest Hacker News ideas

IdeaWell monitors 30 front-page threads (2553 comments) and distills them into summaries and launch-ready prompts. Refreshed 2026-10-22 03:29 UTC.

• Lead discussions: mitmproxy adds --emudhra option; The recently proposed o(n log n) integer multiplication algorithm [pdf]; There isn't an easy exploit for this PHP vulnerability
• 11 of today's threads already crossed 100+ comments.
• Builders debated 2553 comments across the front page.