GitHub interviews Copilot CLI Product Manager Ryan Hecht on GitHub Checkout, covering experimental Copilot CLI features like a plugin marketplace, the /chronicle command, multi-model agents, and fleet mode/autopilot for large refactors.

Copilot CLI update: chronicle, plugins, and fleet mode | GitHub Checkout

GitHub Checkout sits down with Copilot CLI Product Manager Ryan Hecht to walk through experimental Copilot CLI features, including plugins, new slash commands, and agent-style workflows for larger changes.

What this episode covers

• Experimental mode and subagents
• Managing Copilot CLI plugins and the plugin marketplace
• Using the /chronicle slash command for “self-healing” prompts
• Running multiple models simultaneously (Claude Opus, GPT, and Gemini)
• Background agents, including:
  • /fleet mode
  • Autopilot
• Applying these capabilities to large-scale refactoring while you step away

Install Copilot CLI

• Install link: https://github.com/features/copilot/cli?utm_source=social-youtube-checkout-cli-features-cta&utm_medium=social&utm_campaign=dev-pod-copilot-cli-2026

Chapters (from the video description)

• 00:00 Welcome to GitHub Checkout
• 00:26 Experimental mode and subagents
• 01:16 Managing Copilot CLI plugins
• 03:16 Using the chronicle command
• 07:39 Multi-model background agents
• 11:10 Fleet mode and autopilot
• 13:13 What is coming next?

Related GitHub links

• YouTube: https://gh.io/subgithub
• Blog: https://github.blog
• X: https://twitter.com/github
• LinkedIn: https://linkedin.com/company/github
• Insider newsletter: https://resources.github.com/newsletter/
• Instagram: https://www.instagram.com/github
• TikTok: https://www.tiktok.com/@github

About GitHub (from the description)

GitHub describes itself as a platform where developers create, share, and ship software.

• https://github.com