When to go waterfall
If you're working in a multi-modal organization you'll find this helpful: the canonical waterfall / agile decision tree.

I was recently asked to critique a new decision tree that helps teams decide between waterfall and agile when starting a new project. The intended outcome is to improve long-term results in the organization by giving teams the ability to make critical decisions quickly and accurately.
Overall, “good shift-left stuff” in my book. Anyhow, here’s the diagram I was asked to comment on:

