cmdmcs

add_filter('wp_all_import_set_post_terms', 'wpai_wp_all_import_set_post_terms', 10, 4);
function wpai_wp_all_import_set_post_terms($assign_terms, $tx_name, $pid, $import_id) {
	if ($tx_name == 'product_cat'){		
		$post = get_post($pid);
		if ($post->post_type == 'product_variation') {
			$parentID = $post->post_parent;				
			$term_ids = wp_get_object_terms($parentID, $tx_name, array( 'fields' => 'ids' ));							
			if (!empty($assign_terms)) {
				foreach ($assign_terms as $term_id) {
					if (!in_array($term_id, $term_ids)) {

cmdmcs

add_filter('wp_all_import_is_post_to_update', 'wpai_wp_all_import_is_post_to_update', 10, 5);
function wpai_wp_all_import_is_post_to_update($continueImport, $pid, $currentXmlNode, $importID, $simpleXml) {
	$images = get_attached_media( 'image', $pid );
	$ids = [];
	foreach ($images as $image) {
		$ids[] = $image->ID;
	}
	update_option('_wpai_attached_images_before_import_' . $pid, $ids);
	return $continueImport;
}

cmdmcs

add_action( 'pmxi_before_xml_import', 'wp_all_import_before_xml_import', 10, 1 );
function wp_all_import_before_xml_import( $import_id ) {
    $path = false;
    $import = new PMXI_Import_Record();
    $import->getById( $import_id );
    if ( ! $import->isEmpty() ) {
        switch ($import->type) {
             case 'url':