On the Foundation Built by the Scrum Guide — Expansion Pack’s Complementary Perspectives for Modern Product Development
summary
A Japanese translation of the Scrum Guide Expansion Pack (Aug 2025) on GitHub, produced by five volunteers, is presented as a supplement to the 2020 Scrum Guide rather than a rewrite. It introduces Stakeholders as a role, renames Developers to Product Developers, adds Product as a fourth artifact, distinguishes output versus outcome Definitions of Done tied to measurable KPIs and evidence, and mandates at least one human accountable when AI participates to counter teams turning into “feature factories.”
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chapters (11)
- 0:00Scrum Guide expansion intro
- 1:16Purpose of expansion
- 6:05Role changes in Scrum
- 10:19Stakeholder role
- 17:24Scrum Master’s expanded role
- 21:00Scrum’s theoretical foundations
- 22:45Complexity and Scrum
- 27:45Empiricism and Lean
- 31:40Scrum perspectives
- 33:03Organizational transformation
- 35:54Conclusion & Q&A
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