https://www.scaledagileframework.com/ Release train https://www.scaledagileframework.com/agile-release-train/ The Agile Release Train (ART) is a long-lived team of Agile teams, which, along with other stakeholders, incrementally develops, delivers, and where applicable operates, one or more solutions in a value stream. Each is a virtual organization (typically 50 – 125 people) that plans, commits, develops, and deploys together.