Deciding too late is dangerous, but deciding too early in the rapidly changing world of software development is arguably even more dangerous https://www.blossom.co/blog/the-last-responsible-moment

https://www.linkedin.com/pulse/design-thinking-augment-agile-lean-development-avinash-singh-pundhir/

https://realtimeboard.com/blog/choose-between-agile-lean-scrum-kanban