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GitHub Copilot

Explore comprehensive guides about GitHub Copilot, an AI-powered code completion tool, to enhance coding efficiency and accuracy with best practices, tips for maximizing Copilot’s capabilities, and real-world examples. Want more technical information on GitHub Copilot? Head over to our documentation to learn more about using GitHub Copilot in your IDE, on GitHub, and across your workflows.

Featured

How 3 Java Champions are using GitHub Copilot for increased productivity

Three Java Champions share how they use GitHub Copilot to solve problems, accelerate development, and keep humans responsible for the results.

How to continue a GitHub Copilot app session in VS Code

Learn how to move an agent session from the GitHub Copilot app into VS Code without losing the conversation, code changes, or working context.

GitHub Copilot app for Beginners: Teach Copilot your codebase

GitHub Copilot app for Beginners: How to teach Copilot about your codebase

Learn how to add custom instructions and skills to your repository, use custom agents, and connect MCP servers like Playwright.

Copilot moves through a decorative field of floating cubes marked with sync and check icons.

Secret protection must scale with software

Developers aren’t becoming more careless; they’re being outpaced. The tools that let developers create more software should also take on more of the work of protecting it.

Latest

ReviewBench: An open benchmark for AI code review

We’re launching ReviewBench, a benchmark for code review agents built on representative GitHub pull requests, multi-source ground truth, calibrated evaluation, and production-aligned metrics.

GitHub Copilot app for Beginners: Build custom AI surfaces

GitHub Copilot app for Beginners: How to build custom workflows with canvases

Describe the interface you need in plain English, then let the agent build a live surface you can both use and update—so you spend less time adapting to tools and more time getting work done.

When chat is the wrong UI

What is a developer to do when they need something more tangible than a chat box? Enter canvases.

Rendering huge pull requests in the GitHub Copilot app

How we rebuilt the diff surface in the GitHub Copilot app to open a million-line pull request with hundreds of inline review comments.

Migrating the GitHub Copilot runtime to Rust, using Copilot

A rewrite this size wasn’t affordable before agents. Here’s what porting the Copilot agent runtime to 800,000 lines of production Rust actually took.

Marketing ops as code: Automating events from planning to follow-up on GitHub

If you can write down how you do your work, you can automate it. Here’s what I did to support GitHub’s APAC marketing team.

GitHub Copilot app for Beginners: Stop switching tabs

GitHub Copilot app for Beginners: Using the diff, terminal, and browser

Checking agent-generated code usually means hopping between tabs. Learn how to view diffs, run terminal commands, and preview web apps side by side in the GitHub Copilot app.

Research preview: HydraFusion. Advanced runtime model orchestration in GitHub Copilot.

Project HydraFusion: Frontier quality via multi-model orchestration

In controlled offline evaluations, HydraFusion’s selective coding workflows matched or exceeded the evaluated Opus 5 baseline while reducing estimated workflow cost. Now available as a research preview in GitHub Copilot.

GitHub Copilot app for Beginners: Run multiple agents safely

GitHub Copilot app for Beginners: Run several agents at once

Learn how to run parallel agents in the GitHub Copilot app, and experience the moment it stops feeling scary and starts feeling powerful.

How we make AI coding more cost efficient without sacrificing task quality

Why shorter outputs can cost more, and how GitHub Copilot reduces wasted work across the complete coding task.

GitHub Copilot app for Beginners: Work that runs itself.

GitHub Copilot app for Beginners: Automate Dependabot pull request triage

Managing library updates can be tedious at times. Learn how the GitHub Copilot app can handle this type of repetitive task.

GitHub Copilot app for Beginners: Manage all your work

GitHub Copilot app for Beginners: Managing your work

If you’re juggling multiple Copilot sessions, use the My work pane to track what’s in flight, what’s done, and what’s next.

How canvases make agentic workflows visible, steerable, and cost-efficient

Chat is great for intent, but agent work gets lost in the scroll. Here is how I use canvases with my agentic workflows—and why your workflow also deserves a canvas.