I've seen them! Just don't mandate priorities, or be willing to ruthlessly change them as the implementer. Some starting points: Anything which merely means

I've seen them! Just don't mandate priorities, or be willing to ruthlessly change them as the implementer. Some starting points: Anything which merely means the publisher won't pay us because it was a milestone deliverable, but which I could see us technically shipping without, is "wontfix." Anything which will get me fired for not implementing gets to be "minor." Anything which I will quit over before I can be fired gets to be "major." Anything which will lead to mass resignations of the entire engineering team gets to be "blocker", but only if it's actually blocking someone else from doing any work whatsoever.