When a Figma file falls out of sync with the product, new team members (or clients) can quickly build the wrong mental model of how the app works today. A fast visual cue that indicates the mock-up is stale saves hours of rework and prompts people to validate the real experience in production.
When a Figma design is no longer the source of truth, make it unmistakably clear:
zz prefix) so old pages naturally sink to the bottom and stay separate from live work. From this point on your developers can carry on using the design system you developed to ensure consistent designs and up to date documentation without being blocked by a designer. See our rule about having a design system.❌ Figure: Bad example - Outdated screens in Figma prototype haven't been updated
✅ Figure: Good example - Outdated screens from Figma prototype zz'd
These simple cues make outdated designs obvious, prevent accidental reuse, and clearly point the team to the current production experience.