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Copilot CLI update: chronicle, plugins, and fleet mode

GitHub Checkout

In this episode of GitHub Checkout, we sit down with Copilot CLI Product Manager Ryan Hecht to explore the latest experimental features. We cover the plugin marketplace, the /chronicle slash command for self-healing prompts, and how to run Claude Opus 4.6, GPT-5.4, and Gemini 3 simultaneously. We also walk through how /fleet mode and autopilot can handle massive refactoring tasks while you step away.

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React

React is an open source JavaScript library used for designing user interfaces.
Atlassian screenshot

This recommendation was created by GitHub staff

Atlassian

By connecting GitHub data to the Atlassian Teamwork Graph, developers reduce context switching and gain real-time context across tools. With powerful automation and the option to make development context searchable in Rovo, teams can reduce manual work and stay in the flow.

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This recommendation was created by GitHub staff

Git X-Modules

Git X-Modules is a server-side app that syncs your project directories with other repositories. Think of it as a server-side alternative to Git Submodules. Check out the website or watch video for more details!

Use Cases

  • Combine multiple projects and components into a single repository for cross-project development
  • Include parts of other projects into yours
  • Share common assets across multiple projects