[WorldMaker]

Which can also be used intentionally as a feature.

It's common from users to expect that when given an exact number for progress (35%) that percentages are themselves exact and evenly distributed. How many people hear bug reports that it took extra time to move from 36% to 37% than from 35% to 36%, or were worried that the system might have been stuck or crashed at 54% because it took so long, from someone trying to eagle eye your progress indicator?

Just because you can give a progress percentage doesn't mean that the user needs to know the exact value of that percentage or be able to visually compare progress indicators as strongly as possible.