Migrate to the Polaris divider component

The Polaris divider component renders a visual separator between content sections. It replaces the previous Divider component and is available as <s-divider> in API versions 2025-10 and newer.

Anchor to Removed propertiesRemoved properties

The following properties aren't supported:

• size — no longer supported. The divider now has a consistent visual weight.
• alignment — no longer supported.

import '@shopify/ui-extensions/preact';
import {render} from 'preact';

export default function extension() {
  render(<Extension />, document.body);
}

function Extension() {
  return (
    <s-stack>
      <s-text>Section one</s-text>
      <s-divider />
      <s-text>Section two</s-text>
    </s-stack>
  );
}

import {
  reactExtension,
  BlockStack,
  Divider,
  Text,
} from '@shopify/ui-extensions-react/checkout';

export default reactExtension(
  'purchase.checkout.block.render',
  () => <Extension />,
);

function Extension() {
  return (
    <BlockStack>
      <Text>Section one</Text>
      <Divider size="base" />
      <Text>Section two</Text>
    </BlockStack>
  );
}