Need to know

• Agent identity governance became a mandatory enterprise control layer as every major security vendor shipped enforcement tools this week.
• Meta's Muse Spark went proprietary and API-ready, signaling the end of Meta's open-weight-only frontier strategy.
• Anthropic's Claude Fable 5 was restricted by U.S. government export control order within days of its public launch.
• Cursor and GitHub Copilot both shipped agent runtime primitives, transforming IDEs from assistants into deployable infrastructure.
• Salesforce acquired Fin and shipped multi-agent orchestration in its Summer 26 release, accelerating the CRM-to-agent-platform transition.