🗞️ Opening Line

Happy Wednesday! Microsoft Build just wrapped and it was one of the biggest developer conferences in years. Windows is now officially an agent platform. Microsoft is building its own AI model to replace OpenAI inside GitHub Copilot. And SoftBank just made the largest AI infrastructure bet in European history. Let's get into it.

💡 The Big Update

Microsoft Just Declared Windows an Agent Platform. Here's What That Actually Means.

Microsoft Build 2026 opened June 2 at Fort Mason Center in San Francisco with Satya Nadella framing Windows, Copilot, GitHub, and Azure as one developer platform built around agents. Sight AI

The quote that defines the whole conference: "We are moving from AI that assists you to AI that acts on your behalf." beehiiv

That's not a slogan. It's a product direction. And the most concrete example of it is a new product called Scout.

Microsoft Scout was announced June 2 as the first agent in a new category Microsoft is calling Autopilots — always-on agents with their own identity acting on your behalf. You can have it keep an eye on your inbox and Teams sessions for things you need to do. Scout doesn't wait for you to ask it a question. It monitors your work environment continuously and surfaces what needs your attention. beehiivAivolto

Users will notice subtle changes: the new Copilot sidebar can orchestrate multi-step tasks like "find my last report, update the charts, and email it to the team" — chaining agents for file search, data analysis, and communication. beehiiv

This is the shift from AI as a tool you use to AI as a colleague that works alongside you. The difference sounds subtle until you think about what it means in practice. Right now you have to go to your AI tool, open it, type a prompt, and wait for a response. With autonomous agents running in your operating system, the work happens whether you initiated it or not.

That's a fundamentally different relationship with software than anything most people have experienced. Microsoft is betting it's what users actually want. Build 2026 was their public commitment to that bet.

Quick Commits

Microsoft Is Building Its Own AI Model to Replace OpenAI in GitHub Copilot The most significant announcement at Build 2026 had nothing to do with Windows. Microsoft unveiled Project Polaris — its own in-house AI coding model — as the future reasoning engine for GitHub Copilot. Microsoft has been OpenAI's biggest partner and largest investor. Building a competing model specifically for its most developer-facing product is a signal that even the closest AI partnerships have limits. The companies that depend on a single AI provider are starting to build alternatives. ChatForest Tech Startups

SoftBank Just Made the Largest AI Infrastructure Bet in European History SoftBank Group announced it will invest up to €75 billion to develop and operate 5 gigawatts of AI data center capacity in France — Europe's largest single announced AI infrastructure investment. Masayoshi Son framed it clearly: the countries that build AI infrastructure now will shape the future of technology and industry. France is positioning itself as Europe's AI hub. The global infrastructure race now has a clear European chapter. BuildFastWithAI aib

🛠️ The Tool Drop

GitHub Copilot App One of the most practical announcements from Build 2026 for anyone who builds or manages technical work: GitHub Copilot is now a standalone app — not just a plugin inside your code editor. The app can work on multiple projects at once without agents stepping on each other, and you can use agent merge to bring it all together. For developers, it's a significant upgrade. For non-developers who work alongside technical teams, it's worth understanding what your engineers just got access to. github.com/features/copilot Parikshit Khanna

🎯 The So What

Microsoft's Build thesis this week was the clearest articulation yet of where the entire industry is heading: AI that acts, not just answers.

Scout monitoring your inbox. Copilot chaining tasks across your entire workflow. Project Polaris reducing dependence on any single model provider. SoftBank building the physical infrastructure to power it all in Europe.

The AI era isn't a software story anymore. It's an infrastructure story, a platform story, and increasingly an operating system story. The companies building the layers that AI runs on — Microsoft, Google, SoftBank, Anthropic — are making bets that will take years to play out. But the direction is clear.

The question for your business is still the same one it's been all year: where are you in relation to this shift? The gap between organizations actively building with AI and those still watching from the sidelines is getting harder to close every month.

See you Friday.

— The Changelog

Not subscribed yet? Get The Changelog free, three times a week. Subscribe here

Know someone who'd find this useful? Forward it along.

Keep reading