woocommerce_get_breadcrumb Filter: Watch Out for Null in WooCommerce 10.6
WooCommerce 10.6 introduces a breaking change to the woocommerce_get_breadcrumb filter. Due to new integration with the WordPress Core Breadcrumbs block, the second parameter ($breadcrumb) can now be null. Learn how to refactor your code using defensive checks to prevent fatal errors and ensure compatibility with the upcoming 10.6 release.