When does a Roadmap Become a Queue?

Good question: When does a roadmap become a queue?

Backdrop: prioritized minimum marketable features (MMF) get pulled into Continuous Integration to Program Increment (PI) Planning. However, a PI can only hold so many features … therefore, the unaccommodated features will have to be laid out over a series of succeeding PIs … over a roadmap…

A Sample Roadmap

which can easily becomes a queue… which is not an ideal situation.

Hence the good question: When does a roadmap become a queue?

To be continued …