GitHub
2026-05-07
Rubber Duck in GitHub Copilot CLI now supports additional model combinations. It can use a Claude-powered critic agent in GPT sessions, with support also extended for Claude-based sessions.
2026-05-06
GitHub Copilot CLI now supports enterprise-managed plugins in public preview. Enterprise admins can configure and distribute plugins to Copilot CLI users across the organization.
2026-04-22
The Microsoft C++ Language Server is now in public preview for GitHub Copilot CLI. It uses the IntelliSense engine from Visual Studio and VS Code to extend C++ code intelligence in the CLI.
2026-04-07
GitHub Copilot CLI now supports connecting your own model provider (BYOK) or using fully local models instead of GitHub-hosted model routing. The change gives CLI users more control over where models run and which providers they use.
.NET
2026-03-12
Microsoft introduced the modernize-dotnet agent to help assess apps, generate upgrade plans, and modernize .NET projects. It is available in Visual Studio, VS Code, GitHub Copilot CLI, and GitHub.