AI Changed How Spotify Builds: What We Learned and Fixed About Quality at Higher Velocity

2026-09-18

Spotify says merged changes more than doubled year over year to about 17,000 in August without a corresponding rise in rework or major incidents directly tied to AI-authored code. The pressure moved to verification capacity, prompting stronger review, rollout, observability, rollback, service prioritization, and quality metrics as larger pull requests and rising complexity remain warning signals.