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Back to changelog Rubber Duck , the cross-family review agent in GitHub Copilot CLI , is now available using a Claude-powered critic agent when your session is using a GPT model. For sessions using Claude as their orchestrator, we’ve upgraded the GPT model used to seek a second opinion. …
Back to changelog GPT-5.4 mini, OpenAI’s latest fast version of their agentic coding model GPT-5.4, is now rolling out in GitHub Copilot. In early tests, GPT‑5.4 mini appears to be OpenAI’s highest-performing mini model yet. …
… May.07 Retired Upcoming deprecation of GPT-4.1 copilot May.07 Retired Claude Sonnet 4 deprecated copilot May.07 Improvement Rubber Duck in GitHub Copilot CLI now supports more models copilot May.06 Improvement Enterprise-managed plugins in GitHub Copilot CLI are now in public preview client apps co…
… When you hit a usage limit for specific models or model family, you can switch to an alternative model or use Auto mode . …
… Opus models removed from Pro Opus models are no longer available on Copilot Pro. …
… Jun.05 Retired GPT-5.2 and GPT-5.2-Codex deprecated copilot Jun.05 Improvement Enterprise-managed plugins in VS Code in public preview client apps copilot enterprise management tools Jun.04 Improvement Fix with Copilot for failing Actions now in Pro, Pro+, and Max copilot Jun.04 Release Agent tasks…
… Choose the model behind each session, connect external tools via MCP servers, and package recurring work as reusable skills and scheduled automations. …