sentry/static/app/components/previewFeature.tsx

import {Alert} from 'sentry/components/alert';
import {t} from 'sentry/locale';

type Props = {
  type?: React.ComponentProps<typeof Alert>['type'];
};

function PreviewFeature({type = 'info'}: Props) {
  return (
    <Alert type={type} showIcon>
      {t(
        'This feature is a preview and may change in the future. Thanks for being an early adopter!'
      )}
    </Alert>
  );
}

export default PreviewFeature;