Streamline TM
Engineering and programming are “creative craft work”. A work breakdown structure uses the wrong model for that kind of work, because “tasks” are not time-definite.
A roadmap is more flexible: it has time, but it is mostly about dependencies.
And it lends itself naturally to finding critical paths.
What about Agile?
An “Agile backlog” is not time-based, so you lose track of timeliness – let alone what is in the backlog…
“Remember that thing we added to the backlog – what was it?”