Maintaining a design system in Figma long-term is honestly harder than building it in the first place. Without clear governance, component libraries go stale, drift out of sync, and eventually get ignored. Here's what actually keeps a Figma design system alive and useful.

Assign real ownership. Every healthy design system needs a designated owner or small team to review component requests, make architectural decisions, publish updates, and communicate changes. Without that, things quietly fall apart.

Version it like software. Keep a Changelog page inside your Figma file that tracks what was added, changed, or deprecated in each release. It sounds like overhead, but it builds genuine trust with the people using the system, and developers especially appreciate knowing what changed before they open a handoff file.

Create a contribution process. Designers should have a clear path to propose new components, and there should be an actual review step before anything gets added. Without that gate, you end up with well-intentioned one-offs that slowly fragment everything you built.

Audit on a schedule. Every quarter or so, go through the library and look for duplicate components, orphaned styles, and patterns nobody uses anymore. Figma plugins can help surface detached instances you'd otherwise miss.

Stay in sync with the codebase. A Figma component that doesn't match what's actually built in React or Vue creates confusion fast. Work closely with engineers, and consider tools like Storybook, Zeroheight, or Supernova to keep design tokens and coded components from diverging.

Use Figma's update notifications. When you publish changes to a shared library, every file using it gets notified. Push your team to accept those updates regularly rather than letting six months of changes pile up at once.

Document each component properly. Every component needs documented states, usage guidance, do/don't examples, and WCAG accessibility notes. It takes time upfront, but it cuts onboarding time significantly and stops components from being misused in ways that create accessibility problems later.