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The Download

Join rotating hosts from GitHub’s Developer Advocacy team - including Andrea Griffiths, Cassidy Williams, Kedasha Kerr, and more for the latest in developer, open source, and GitHub news.

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.
BERJAYA

This recommendation was created by GitHub staff

GuardRails

GuardRails scans new code changes as they occur in your repositories. For pull requests, we will post comments whenever security issues are detected. For branches, you will be able to see reports in your dashboard.

Trending repository

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

  • Updated May 23, 2026
  • TypeScript

Trending repository

FinceptTerminal is a modern finance application offering advanced market analytics, investment research, and economic data tools, designed for interactive exploration and data-driven decision-making in a user-friendly environment.

  • Updated May 19, 2026
  • Python
BERJAYA

This recommendation was created by GitHub staff

Socket Security

Prevent malicious open source dependencies from infiltrating your apps.

Socket dramatically improves your open source security posture by detecting and blocking the attacks you don't expect – malware, install scripts, hidden code, typo-squatting, and more – which aren't caught by traditional vulnerability scanners.

  • Block malware – Block emerging malware threats
  • Block typo-squatting – Block malicious packages that differ in name by only a few characters