Shipped
The developer's work has reached real users: published releases, live demos, deployed products, or packages people install.
What it tells you about a developer
A developer with a shipping record finishes things under real-world constraints, and has felt the consequences of their own decisions in production. That experience transfers directly to any product team.
Shipping is the act of getting software all the way to the people who use it: a published release, a live demo, a deployed product, a package other people install. Plenty of capable developers write code that stays private, and carrying work over the finish line is a distinct, hireable habit.