What's New in Microsoft Foundry: October 2026
Microsoft, Thursday, November 5th, 2026
Microsoft Foundry's October 2026 update adds the Copilot harness preview, GA Browser Automation, hosted-agent resilience and Decisions API.
Microsoft Foundry's October 2026 roundup introduces the Microsoft Copilot harness in public preview in Foundry Agent Service, giving prompt agents a managed loop and sandbox to read files, run code, use tools and apply skills.
Browser Automation and long-running resilience for hosted agents are generally available, and the Decisions API has come to Foundry.
The post also covers Foundry Models, speech and audio, Foundry Local and SDK changes to review before upgrading.
It recommends Foundry sessions for Microsoft Ignite, November 17-20, 2026, including a Foundry Discord Live session on November 19.