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AIOct 20, 2026 · 8:00 PM ET · OpenAI News

Cloudflare uses OpenAI Daybreak to investigate vulnerabilities and propose fixes for review. Its developers use Codex to build faster and improve code quality.

Builder score 33Why it scoresRules judge: AI item; Source: OpenAI News.
AIOct 20, 2026 · 7:50 PM ET · Simon Willison

eMudhra Intermediate CA Compromise This is very, very bad news: The private keys of eight eMudhra intermediate CA certificates have been compromised. They chain to roots trusted by the Mozilla, Microsoft, Apple and Chrome root programs and by many downstream trust stores. Any software that bundles a list of trusted certificates needs to be updated. This site is tracking software updates via this...

Builder score 33Why it scoresRules judge: AI item; Source: Simon Willison.
AIOct 20, 2026 · 3:34 PM ET · Simon Willison

My latest vibe coded game experiment is a Command & Conquer style RTS (Real Time Strategy) game called Battle Drones ( play it here ). Unlike my previous experiments , this one is actually fun to play . I'm somewhat embarrassed to admit that I got there by telling Claude to "Make it a LOT more fun". It also supports multiplayer between nearby devices using audio to synchronize game state! Here's...

Builder score 33Why it scoresRules judge: AI item; Source: Simon Willison.
CapitalOct 20, 2026 · 6:00 AM ET · Stratechery (free posts)

Meta has a new open source model, and to everyone's surprise, they are are partnering with Apple to make sure you can run it locally.

Builder score 50Why it scoresRules judge: Capital item; Topics: open source; Source: Stratechery (free posts).
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