Spec-driven development isn't Waterfall in Markdown – here's what it is

Everyone’s talking about spec-driven development. But is it just waterfall in markdown?

In issue #2 of my harness engineering newsletter, I break down what SDD actually is (and isn’t), why it matters even if you don’t like “writing”, when to spec vs vibe, and how to get the benefits without the ceremony.

I hope you will find this article useful!

Full Disclosure: I'm the author of the newsletter and am building a free open-source tools mentioned in the article to facilitate this workflow.