Official product and platform updates led the week, with OpenAI, Microsoft, Anthropic, and Databricks supplying most of the news layer. GPT-5.4, ChatGPT’s Excel and financial-data push, Databricks’ Quotient AI acquisition, Runway Characters, and Microsoft Copilot commerce and regulated-industry updates framed the snapshot around practical agent tooling, product launches, and enterprise deployment. The community layer centred even more tightly on agentic research and coding workflows. Andrej Karpathy’s Autoresearch dominated both YouTube and Reddit, while Reddit also clustered around GPT-5.4 in Cursor, Codex-versus-Cursor workflow discussion, and Claude Code usage threads. X was effectively absent from the collected set for this window, so the strongest secondary signals came from Reddit rather than social-post momentum.