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Cassidy is senior director for developer advocacy here at GitHub. She enjoys building software, advising startups, and teaching developers how to build better. She has a weekly newsletter at cassidoo.co/newsletter where you can get her updates, practice coding problems, and a joke in your inbox!
Git worktrees have been around since 2015, but it wasn’t until recently they became popular. Learn what they are, how to use them, and why you might.
See how we created an emoji list generator during the Rubber Duck Thursday stream.
Learn about the productivity tool one GitHub engineer built, and how AI supported the development process.
AI is designed to help you do what you love most, not replace your expertise. Discover how developer feedback and real-world experience are shaping AI coding tools that keep you in control.
AI is settling the “typed vs. untyped” debate by turning type systems into the safety net for code you didn’t write yourself.
Looking ahead to the New Year? These GitHub Podcast episodes help you cut through the noise and build with more confidence across AI, open source, and developer tools.
Nearly a billion commits later, the way we ship code has changed for good. Here’s what the 2025 Octoverse data says about how devs really work now.
When you want your images to look good in Markdown on GitHub, you might have to adjust for the UI around them.
Ever wondered which AI model is the best fit for your GitHub Copilot project? Here are some things to consider.
Everyone’s talking about MCP these days when it comes to large language models (LLMs)—here’s what you need to know.
Ever wondered how to create checklists in your GitHub repositories, Issues, and PRs? Make task lists more manageable in your GitHub repositories, issues, and pull requests.
The December 17 release of OpenAI’s o1 model is now available in GitHub Copilot and GitHub Models, bringing advanced coding capabilities to your workflows.
