Don’t stop early: Case-folding source code at memory speed
How a branch-free loop and byte-space arithmetic let GitHub case-fold every byte of code search at >45 GiB/s on a single core.
How a branch-free loop and byte-space arithmetic let GitHub case-fold every byte of code search at >45 GiB/s on a single core.
Learn how I modernized an old codebase of mine using stacked sessions and pull requests in the GitHub Copilot app.
Dependabot keeps your dependencies current, but its defaults can flood your repository with pull requests. Here’s how grouping updates, slowing the cadence, and keeping security fixes fast cut the noise on a Microsoft open source project.
Explore the changes we’ve shipped across npm and GitHub Actions over the past few months to disrupt supply chain attack techniques and limit their impact.
A practical GitHub Copilot workflow for prototyping, planning, implementing, and reviewing software without chasing every new AI tool.
New to the GitHub Copilot app? Learn how to start projects, work with AI agents, explore canvases, and streamline your development workflow.
A new default three-day cooldown delays version update pull requests so maintainers and security researchers can address findings in a release before it gets into your code.
Copilot now bills usage at listed API rates. Compare direct model access with the coding workflow, policy, and harness work around it.
GitHub is making some significant changes to its bug bounty program, shifting its focus to give researchers a better experience working with the GitHub team.
Canvases turn AI into interactive workspaces where you can visualize information, explore workflows, and take action across complex tasks.
Celebrating $100 million contributed by the community to the people who build and sustain open source every day.
The cost of writing code dropped; the cost of owning it didn’t. A framework for deciding which changes are actually cheap in the AI era.
New to GitHub? This beginner’s guide explains version control, repositories, and pull requests—plus everything else you need to start working confidently on GitHub.
How migrating Copilot code review to shared Unix-style code exploration tools reduced review cost by reshaping agent workflows around pull request evidence.
GitHub had over 14,000 repositories. Fewer than half had clear ownership. Here’s how we gave every active repository a validated owner in under 45 days, archived the rest, and made ownership the foundation for everything that followed.
Build what’s next on GitHub, the place for anyone from anywhere to build anything.
Join us October 28-29 in San Francisco or online for GitHub Universe, our flagship developer event uniting people, agents, and the world’s code.