A Scrum Team has been working toward a Product Goal of opening its service to self-registration. Halfway through, the Product Owner adds a second long-term objective — a partner API — and asks the team to pursue both at once. What does Scrum say about this?

Professional Scrum Master I, objective 3. Managing products with agility easy

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The options

Not correct Two Product Goals are fine as long as each has its own section of the Product Backlog

Wrong. Splitting the backlog into sections does not create the focus that a single objective does; the Scrum Team is a cohesive unit focused on one objective at a time.

Not correct Two Product Goals are fine as long as the Sprint Goal each Sprint names only one of them

Wrong, and it is the more sophisticated trap because Sprint Goals really are singular. Alternating Sprint Goals still leaves two long-term objectives competing for the same team.

Correct The Scrum Team must fulfil or abandon one objective before taking on the next

Correct. The Product Goal is the long-term objective the team plans against, and the Guide allows exactly two ways out of it — fulfil it, or abandon it — before the next one starts.

Not correct The Developers should decide which of the two goals is more valuable and pursue that one

Wrong on ownership. Developing and explicitly communicating the Product Goal is the Product Owner's part of effective Product Backlog management, not the Developers'.

Why

A product is a vehicle to deliver value, and the Product Goal describes the future state of that product the team is aiming at. Holding one objective at a time is what makes the rest of the Product Backlog meaningful — every item exists to define what will fulfil that goal, so two goals means two competing definitions of what is worth doing. Abandoning a Product Goal is a legitimate move and often the valuable one; carrying two is not.

Where this comes from

Cited
Scrum Guide section Commitment: Product Goal
What it says
They must fulfill (or abandon) one objective before taking on the next.

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