2018 Kanban Guide for Scrum Teams

occur "just in time" or on a cadence. Any circumstance influenced by the five activities within a Sprint might trigger a flow-based retrospective.

flow-based retrospectives need not coincide within the boundaries of a Sprint. They can

flow-based Sprint Retrospective adds the inspection of flow metrics and analytics to help determine what improvements the Scrum Team can make to its processes, including the Sprint
Retrospective itself. The Scrum Team using Kanban also inspects and adapts the policies in its
Kanban system to optimize the flow in the next Sprint.