Anthropic announced an unreleased AI model called Claude Mythos Preview that has found thousands of zero-day vulnerabilities in every major operating system and web browser. They say it's too dangerous to release. Meanwhile, Anthropic lost a key court ruling in its ongoing fight with the Pentagon over military AI guardrails. Also this week: Cursor 3.0 brings parallel agents and design mode, Next.js ships a critical security patch (with some irony attached), TanStack introduces code mode for composable tool execution, Payload 3.82 lands with new hooks and drag-and-drop components, plus updates from shadcn, Figma, Claude Code, and Railway.

Next in Dev is a weekly newsletter and podcast covering modern web development. Subscribe at nlvcodes.com or wherever you listen to podcasts.

Hosted on Acast. See acast.com/privacy for more information.