Cursor Agents Get 3x Faster, Lenny Interviews OpenAI's Head of Design

Cursor ships environment pre-warming for cloud agents, cutting startup time 3x — a concrete sign that agentic development workflows are hitting latency walls that require infrastructure-level solutions. Meanwhile, OpenAI's head of product design shares where humans still beat AI, and Fei-Fei Li's Huberman Lab appearance is worth flagging for the human intelligence framing.