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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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Cascading Style Sheets (CSS) is a language used most often to style and improve upon the appearance of views.
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This recommendation was created by GitHub staff

MyGet

The #1 cloud artifact and package repository provider in the world

MyGet provides hosted NuGet, npm, Bower, Maven, PHP Composer, VSIX, Python PyPI and RubyGems feeds for developers, open-source projects and corporate dev teams. Create private artifact feeds for your developers and clients or public feeds the entire world. Upload packages from your build server, any upstream package source, or build, test, and package your code on GitHub into NuGet, npm or PHP Composer packages with MyGet.

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Open-source All in One AI agent workspace. Run any agent — Claude Code, Codex — across your tools (100+ integrations + MCP), apps, browser, and files, with shared memory. Built-in models or BYOK.

  • Updated Aug 14, 2026
  • TypeScript

This recommendation was created by GitHub staff

Issue-Label Bot

Issue Label Bot automatically labels issues as either a feature request, bug or question, using machine learning. You can alias these labels so that the labels are personalized for your repo (for example if you prefer enhancement vs. feature_request).

Instructions on how to alias the labels can be viewed on the app's website.

This app only works on public repositories.