What Are Git Worktrees, and Why Should You Use Them?
GitHub Blog·yesterday·Tutorial
Git worktrees let developers check out multiple branches simultaneously in separate directories, all sharing one repository's object store. The feature has existed since Git 2.5 in 2015 but has surged in relevance alongside AI coding agents that benefit from isolated working directories. This GitHub Blog tutorial covers what worktrees are, how to use them, and when they make sense.