AI tooling has moved well beyond autocomplete and now spans the entire software delivery lifecycle — from flagging ambiguities in requirements docs before a sprint starts, to generating context-aware code scaffolds, automating test suites, running security checks on pull requests, and surfacing deployment risk signals in CI/CD pipelines. Real productivity gains are documented but vary widely by task and team experience, so single benchmark numbers should be treated as data points rather than guarantees. Key failure modes include hallucinated code that looks correct, data exposure risks when sending code to third-party servers, and gradual erosion of developer understanding through over-reliance. A practical adoption path starts with identifying the single biggest friction point, running a two-sprint pilot with measurable before/after metrics, and documenting results before expanding to other teams.