In SAFe, what does the term "Agile Release Train" (ART) refer to?

The term "Agile Release Train" (ART) in SAFe refers to a long-lived team of Agile teams that incrementally delivers value. An ART operates as a virtual organization within the larger Agile framework, consisting of multiple teams that collaborate and align on a common mission and vision while delivering continuous value to customers. The long-lived nature of the ART allows for establishing stable roles, responsibilities, and processes, which fosters a deep sense of collaboration and helps in synchronizing the delivery across teams.

Each ART typically consists of 5 to 12 teams, which can vary depending on the needs of the organization. They operate on a cadence or schedule that aligns with Program Increments (PIs), typically lasting around 8-12 weeks, during which they plan, execute, and review their work collectively. This structuring helps ensure that all teams are working towards the same goals and are aligned in their deliverables, ultimately promoting efficiency and enhancing value delivery to stakeholders.

The other options do not accurately encapsulate the definition of an ART. While a temporary group of Agile teams suggests a lack of continuity and stability, a training program or methodology for software release management does not directly pertain to the collaborative and value-centric nature of the ART within the SAFe