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Git activity more than doubled between September 2025 and August 2026, reaching 473.3B events per month. We’re rebuilding our Git infrastructure while GitHub keeps running, creating a foundation for agent-scale software development.

👋 Project HydraFusion is now available in the GitHub Copilot app and @code. Choose it like any other model. Behind the scenes it routes your task across multiple models to draft, critique, revise, or escalate, then hands you one result.

In controlled offline evaluations, HydraFusion’s selective coding workflows matched or exceeded the evaluated Opus 5 baseline while reducing estimated cost.

Learn how I modernized an old codebase of mine using stacked sessions and pull requests in the GitHub Copilot app.

Stacked pull requests break large changes into small, reviewable pull requests. They’re an ordered series of pull requests that each represent focused layers of your change. With stacks, you can…

Celebrating $100 million contributed by the community to the people who build and sustain open source every day.

Maintainers of open source repositories are dealing with an ever-growing volume of pull requests, including repeated low-quality or drive-by contributions that can slow triage and overwhelm review queues. To help…