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| Criterion |  Agile 4Ls Retrospective |  Architecture Views and Beyond |  Architecture Architecture Decision Record |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45–75 min | 1-3 Tage | 15-45 min | 1-2 Tage |
Participantsdifferent | Team members involved | 1-4 | 1-3 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | 4Ls Board, Learning Themes, Improvement Actions | Architecture Views, Cross-view Notes, Rationale | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RetrospectiveLearningReflectionTeam | DocumentationStakeholdersArchitecture | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication |