.NET
2026-09-25
Microsoft released a first-class .NET SDK for the AG-UI protocol. It lets .NET services expose and consume interoperable agent endpoints through Microsoft.Extensions.AI.
GitHub
GitHub Copilot’s weekly release roundup adds new models, local sandboxing in the Copilot app, and updates across Copilot integrations in Slack, Microsoft Teams, JetBrains, and VS Code.
GitHub Copilot in Slack and Microsoft Teams has been updated to provide more context, more control, and a clearer path from chat conversations to GitHub work. The changelog does not include specific feature details in the provided text.
Microsoft Security Blog
Microsoft describes Azure attacks linked to Storm-3168 using compromised service principals, including reconnaissance, resource deletion, and credential access. The post links the activity to JADEPUFFER and includes defender guidance.
CodeQL 2.27.1 adds new queries for C/C++ and C#, support for Kotlin 2.4.20, and query-accuracy improvements. It is the static analysis engine used by GitHub code scanning.
GitHub is introducing a global default policy that enables generally available Copilot features and supported client capabilities in enterprise and organization Copilot settings. The change takes effect over a 28-day window.
2026-09-24
GitHub Enterprise Cloud now supports requiring proof of presence before members perform high-impact actions. This adds an interactive re-authentication or MFA challenge on top of the existing sudo-style control.
Microsoft AI Foundry Blog
Microsoft Foundry Agent Service now supports outbound network egress controls for hosted agents. You can define and attach an outbound policy, then monitor allowed and denied calls in Audit or Enforced mode.
Azure Updates
Microsoft will retire several standalone Azure Communication Services offerings on September 30, 2028. After that date, the affected services will no longer be available.
Microsoft Command Line Blog
Microsoft introduced run-assert-eval, a skill for runtime risk discovery in agents. It identifies relevant risks, measures failure rates, generates a runtime policy from the results, and reruns evaluation to verify the fix.
Instant Access for application-consistent restore points on Azure virtual machines is now generally available. It lets you start restoring a disk from a restore point before the underlying snapshot copy completes, for VMs using Premium SSD v2 or Ultra disks as data disks.
Microsoft Security’s September 2026 update focuses on discovering and controlling local AI agents, extending Zero Trust controls to agent traffic, and improving SOC foundational capabilities.