Backlog grooming, also known as backlog refinement, is a recurring activity in Agile development (particularly Scrum) where the product owner and the development team review, prioritize, and clarify items in the product backlog.
Purpose of backlog grooming
- Ensure Readiness: Make sure backlog items are well-understood, estimated, and ready for upcoming sprints.
- Improve Clarity: Add details, break down large items (epics) into smaller user stories, and clarify acceptance criteria.
- Prioritize: Re-order backlog items based on current understanding of value, risk, and dependencies.
- Estimate: Provide or refine estimates (e.g., story points) for backlog items.
- Remove Irrelevance: Delete items that are no longer relevant or aligned with the product vision.
Key activities
- Discussing user stories and requirements.
- Splitting large items into smaller, manageable pieces.
- Adding acceptance criteria and clarifying details.
- Estimating the effort required for items.
- Re-prioritizing items based on new information or changing business needs.
Best practices
- Regular Cadence: Hold grooming sessions regularly (e.g., once per sprint).
- Timebox: Keep sessions focused and respect time limits.
- Preparation: Product Owner should prepare items for discussion beforehand.
- Whole Team Involvement: Include the development team for technical insights and estimation.
- Focus on Near-Term: Prioritize refining items likely to be worked on in the next 1-2 sprints.
Effective backlog grooming ensures a healthy, well-understood backlog, which leads to smoother sprint planning and more efficient development cycles.