v1.2.3 of GA4 Analytics is now available for download: https://www.zen-cart.com/downloads.php?do=file&id=2368

This release contains changes associated with the following GitHub issues:

#13: Need to really load after currencies are instantiated.
#22: $_SERVER['REFERER'] might not be set on checkout payment/confirmation pages, generating logs.
#23: Page performance, push all GA4 configuration parameters via a single dataLayer.push.