Claude Code v2.1.191, Gemini Study Notebooks and Runway Agent 2.0: AI watch for June 25, 2026
June 25, 2026: Claude Code v2.1.191 introduces /rewind and reduces CPU by 37%; Gemini Study Notebooks roll out worldwide; Runway Agent 2.0 automates marketing campaigns; OpenAI measures that Codex accounts for 99.8% of its internal tokens.