Microsoft Build 2025: news and announcements from the developer conference

Microsoft’s four-day Build conference kicks off on Monday, May 19th, with a livestream starting at 9AM PT / 12PM ET. Microsoft CEO Satya Nadella will be on stage to present all the latest Windows, Office, and AI news, followed by developer sessions that will be free for anyone to register and watch online.

Build is Microsoft’s annual developer conference, where the company holds in-depth sessions for developers and professionals alike to hear the latest features for Windows, Office, Azure, and much more. We’re expecting to hear a lot about AI this year, particularly Microsoft’s vision for AI agents.

Read on for all the latest Build news.

• Microsoft Edge is adding translation for PDFs.
• Microsoft is now hosting xAI’s Grok 3 models
• Microsoft’s Windows Subsystem for Linux is now open-source
• Windows is getting support for the ‘USB-C of AI apps’
• GitHub’s new AI coding agent can fix bugs for you
• Microsoft’s plan to fix the web: letting every website run AI search for cheap
• Microsoft is opening its on-device AI models up to web apps in Edge