01 What happened
Starting July 2026, Microsoft Copilot Studio automatically creates a Microsoft Entra Agent ID for every new agent, with no environment-level opt-out, according to Microsoft Learn documentation updated on October 22, 2026. Computer use became generally available in May 2026, enabling agents to automate web and desktop apps by controlling browsers and desktop applications on behalf of users. Claude Sonnet 5 and GPT-5.5 Chat became available as models for agents in June 2026 for improved response quality and reasoning. In August 2026, usage-based billing for agents, workflows, and apps powered by the GitHub Copilot harness was introduced, measured in Copilot Credits with pay-as-you-go or one-year prepaid plans in the Power Platform admin center.
02 Key details
- From July 2026, Copilot Studio automatically creates a Microsoft Entra Agent ID for every new agent; environment-level opt-out is no longer possible.
- Computer use reached general availability in May 2026, letting agents automate web and desktop applications by controlling browsers and desktop apps on behalf of users.
- Claude Sonnet 5 and GPT-5.5 Chat are available as primary AI models, improving response quality and reasoning.
- Usage-based billing for agents, workflows, and apps powered by the GitHub Copilot harness launched in August 2026, measured in Copilot Credits with pay-as-you-go or annual prepaid plans.
03 Why it matters
These updates mark a shift toward stronger identity governance, new automation capabilities, expanded model choice, and consumption-based pricing in Copilot Studio.
04 Who it matters to
Software developers, AI agent developers, voice interface developers, service application developers and IT specialists.