If the first day of Microsoft Build 2026 left us amazed with the macro vision of autonomous agents and the MAI family, the second day came down to earth to focus directly on those who build these solutions: the developers. Microsoft and GitHub have made it clear that we've moved from simple "code auto-completion" to an era of agentic development.
GitHub Copilot App: Your new control center
The star announcement for developers has been the new GitHub Copilot desktop App. It's not just a chat, but a native control center designed to manage workflows with multiple AI agents. From this app you can monitor sessions, review PRs, observe automation in the background, and significantly reduce context switching between tools.
VS Code and Agent Orchestration
VS Code also gets a heavy dose of agentic innovation. It now includes a dedicated Agents Window that allows you to organize and visualize interactions with multiple models. In addition, the integration of MAI-Code-1-Flash, Microsoft's latest lightweight code model, promises exceptional performance for agile, lightweight coding tasks.
Sandboxes and GitHub Copilot SDK
Another important new feature is the general availability of the GitHub Copilot SDK. This means that we can already create and embed our own AI experiences directly. To ensure that agents operate securely, new sandboxes were announced, both on-premises and in the cloud, which limit and secure the execution of tools by AI.
The future of Copilot and the Polaris Project
During the sessions it was also anticipated that starting in August 2026 we will see changes to the main Copilot engine, driven by the rumored "Project Polaris", a proprietary model designed to progressively replace GPT-4 Turbo as the brains behind our code suggestions. In addition, traditional Visual Studio also improves with new agents specific to root-cause analysis and run-time testing.
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