Innovation comes from the producer, not the customer.
—W. Edwards Deming
The Portfolio Backlog is the highest-level backlog in SAFe. It provides a holding mechanism for the upcoming Business and Enabler Epics required to create a holistic portfolio solution set that provides the competitive differentiation and/or operational efficiencies necessary to address the strategic themes and facilitate business success.
Epics that make it to the portfolio backlog have made their way through the Portfolio Kanban system, where they have been reviewed, analyzed, and approved for implementation. Epics are estimated in the analysis ...