Microsoft announced a suite of agent-centric features for Windows 11 at the Build 2026 conference, introducing the Microsoft Agent Platform for local AI agents. This includes enhanced integration with Microsoft Foundry, GitHub, and the M365 suite. The developer documentation covers local agent runtimes and isolation patterns, highlighting the Microsoft Execution Containers SDK and Entra Agent ID. Enterprise controls like Intune and Agent 365 are also featured. The upcoming Copilot Actions will allow agents to interact with local files and applications, aimed at improving workflows. Microsoft is addressing security concerns with resources outlining strategies to mitigate risks such as cross-prompt injection. Industry commentary indicates a growing discussion about privacy and security in relation to these changes.