Keynote
summary
Company announces v0 UI generator (3M UIs created) and an AI SDK that unifies LLM providers and exposes useChat / useCompletion / useAssistant hooks plus a streamUI method for generative UIs. Infrastructure changes claim 0.5% cold starts, Rust functions cut cold starts ~80 ms (500 ms in big apps), and bytecode-optimized functions show up to 30% faster cold starts. Preview URLs per commit, toolbar feature-flag overrides used 20,000+ times, and a Vercel-native WAF with millisecond rule propagation and beta rate limiting ship today.
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