Software
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.
GitHub Blog
Latest news
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Hack the World: Why hackathons are still the best place to learn to build
The barriers to building software have collapsed. Today, anyone can build. Hackathons are a great place to start learning.
Software
How one bug bounty researcher chooses the features they investigate
As we kick off Cybersecurity Awareness Month, the GitHub Bug Bounty team spotlights @vaib25vicky, exploring their methodology, techniques, and experiences hacking on GitHub.
Software
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.
Software
Building Git infrastructure for agent-scale development
We’re rebuilding GitHub’s Git infrastructure while GitHub keeps running, creating a foundation for agent-scale software development.
Software
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.
Software
AI is changing developer work. Here are three skills to strengthen.
Learn to direct AI agents, critically review their output, and keep technical judgment at the center of your workflow.
Software
10 technical talks I’m excited about at GitHub Universe 2026
From verifying AI-written code to securing npm dependencies, these are the sessions I’m building my Universe agenda around.
Software
Developer policy update: Transparency, state policy, and what’s ahead
Explore GitHub’s latest transparency data and learn more about policy updates affecting developers and open source.
Cybersecurity
How we found 24 Android vulnerabilities using our open source AI security agent
A look at the targeted AI taskflows behind these findings, the critical Android bugs they uncovered, and how to run the same open-source agent on your own app.
Software
Highlights from Git 2.56
The open source Git project just released Git 2.56. Here is GitHub’s look at some of the most interesting features and changes introduced since last time.
Software
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.
Software
Improving site performance by shipping more CSS
How we fully migrated github.com away from CSS-in-JS.
Software
When chat is the wrong UI
What is a developer to do when they need something more tangible than a chat box? Enter canvases.
Software
AI-powered fuzzing with the GitHub Security Lab Taskflow Agent
In this blog post, I explain how to use the new fuzzing taskflow based on the GitHub Security Lab Taskflow Agent AI framework.
Software
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.
Software
Developers want more efficient software. Here’s what over 1,000 GitHub users told us they need.
New research from GitHub and Yale Program on Climate Change Communication finds strong demand for tools, measurement, and practical guidance that can help developers reduce wasted compute.
Software
Should you read the code, is RAG dead, and did Skills kill MCP?
We dive into these questions and other AI hot takes on the latest episode of the GitHub Podcast.
Software
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.
Software
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.
Software
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.
Software
GitHub availability report: August 2026
In August, we experienced five incidents that resulted in degraded performance across GitHub services.
Software
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.
Software
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.
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