This setting forces Upcart to fully re-render any HTML you've added through the Custom HTML editor. It’s useful when dynamic content (like custom subtotals or counters) doesn’t update correctly on its own.

Upcart > Editor > Settings > Advanced Settings
Look for “Force re-render of custom HTML fields.”

Upcart will re-render all Custom HTML elements every time the cart updates. This ensures that dynamic content stays in sync, but may slightly affect performance.

Custom HTML elements will only re-render when absolutely necessary. This provides better performance but may cause some elements to lag behind cart changes.

Let me know if you’d like this included in a bundled Customization Settings doc or paired with Custom HTML and CSS setup guides.