Git worktree: the stash replacement nobody teaches you

The scenario every developer knows: you're deep in a feature, 15 files modified, half-working tests, and the production alert hits. You need to fix a bug on main , now . The standard advice: git stash . Switch branches. Fix the bug. Come back. Unstash. Pray nothing conflicts. There's a better way, and it's been in Git since 2015. Meet git worktree A Git worktree lets you check out multiple branches simultaneously , each in its own directory, sharing the same underlying .git repository. No stashi