
— Shaun Bent, Spotify / Source (YouTube)
Invite users to contribute to further develop the design system and keep it alive.
Everytime people make contributions, Shopify puts it in their newsletter.

— Yesenia Perez-Cruz, Shopify / Source (YouTube)
Contributing to the design system should be as easy as using it.
— Raphael Guilleminot and Matt Vagni, Deliveroo / Source (YouTube)
We realized that ultimately for our systems to succeed long-term, they needed to be thought of as everyone’s responsibility.
— Magera Moon, Etsy / Source (Medium)
As part of the contribution process designers volunteer an hour a week to review components for other designers.

— Hayley Hughes, Airbnb / Source (YouTube)
Check out their simple and understandable contribution guidelines: