Anthropic closes a $65 billion Series H at a $965 billion valuation — the largest private AI financing event on record, with hyperscalers committing $15 billion of the total. Claude Opus 4.8 ships at unchanged pricing with a focus on behavioral reliability, alongside Dynamic Workflows turning parallel subagent orchestration into a supported product feature. A BadHost header bypass in Starlette and FastAPI affects the whole AI infrastructure stack from vLLM to MCP servers, arriving just as enterprise agent deployments go mainstream.