DevOps Dictionary

Branching is the practice of creating separate lines of development in a version control system (such as Git) so engineers can make changes, run tests, and iterate without affecting the main codebase used for releases. It addresses the problem of conflicting work and unstable deployments by isolating experiments, bug fixes, and features into named branches, then merging them back once they are reviewed and validated. At a high level, branching works by recording a branch pointer to a specific commit (a snapshot of code), allowing parallel work while the main branch continues to move forward.

With Branching, teams can develop and test safely, reduce integration surprises, and ship more predictably; without it, changes collide directly in the main line, increasing broken builds, rollbacks, and time spent untangling conflicts. This gap exists because isolation lets you control when code is integrated, so verification happens before shared environments and users are impacted.