I like that Supernova provides a sense of what a design system should have. It's fairly simple to publish updates, which I find convenient. Tracking the status of components is probably one of the more valuable features for us, as it lets us quickly and easily communicate the status of each component for a given platform.

Integration with Figma, and token management.

Focus on the features, benefits, or experiences that have provided the most value. Specific examples help others understand your perspective.