You have a pull request open. Tests are failing. Your PM asks you to fix a production bug — right now. You have two choices: Stash your current work, switch branches, fix the bug, switch back, unstash Clone the entire repo again to a separate folder Both are terrible. But there's a third option most developers don't know about. What Are Git Worktrees? A worktree is a linked copy of your repository that lets you check out a different branch in a separate directory — without switching your current working tree. # While working on feature/login, create a worktree for a hotfix git worktree add ../project-hotfix fix/production-crash # Fix the bug in a SEPARATE directory cd ../project-hotfix # ... make changes, commit, push ... cd ../project # You're STILL on feature/login. Nothing stashed, nothing lost. Enter fullscreen mode Exit fullscreen mode No stashing. No cloning. No context switching overhead. Why This Is a Superpower 1.…