app-addons-commerceml-controllers-frontend-commerceml.php.diff

diff --git a/app/addons/commerceml/controllers/frontend/commerceml.php b/app/addons/commerceml/controllers/frontend/commerceml.php
index 564d2f4f25..89febb4e8d 100644
--- a/app/addons/commerceml/controllers/frontend/commerceml.php
+++ b/app/addons/commerceml/controllers/frontend/commerceml.php
@@ -36,6 +36,8 @@ if (empty($_SERVER['PHP_AUTH_USER'])) {
     exit;
 }
 
+fn_define('COMMERCEML_IMPORT', true);
+
 /** @var \Tygh\Web\Session $session */
 $session = Tygh::$app['session'];
 

app-addons-commerceml-src-Bootstrap.php.diff

diff --git a/app/addons/commerceml/src/Bootstrap.php b/app/addons/commerceml/src/Bootstrap.php
index 1a21ad7f8e..50abf9b82f 100644
--- a/app/addons/commerceml/src/Bootstrap.php
+++ b/app/addons/commerceml/src/Bootstrap.php
@@ -127,7 +127,14 @@ class Bootstrap implements BootstrapInterface, HookHandlerProviderInterface
                 'onGetFeedbackData'
             ],
             /** @see \Tygh\Addons\CommerceML\HookHandlers\ProductHookHandler::onUpdateProductFeaturesValuePre() */
-            'update_product_features_value_pre' => [ProductHookHandler::class, 'onUpdateProductFeaturesValuePre']
+            'update_product_features_value_pre' => [ProductHookHandler::class, 'onUpdateProductFeaturesValuePre'],
+            'update_product_prices' => static function ($product_id, &$_product_data, $company_id, &$skip_price_delete) {
+                // phpcs:disable SlevomatCodingStandard.ControlStructures.EarlyExit
+                if (defined('COMMERCEML_IMPORT')) {
+                    $skip_price_delete = true;
+                    $_product_data['create'] = true;
+                }
+            }
         ];
     }
 }

app-addons-commerceml-src-Importers-ProductImporter.php.diff

diff --git a/app/addons/commerceml/src/Importers/ProductImporter.php b/app/addons/commerceml/src/Importers/ProductImporter.php
index f5e47996a3..fcef5a3868 100644
--- a/app/addons/commerceml/src/Importers/ProductImporter.php
+++ b/app/addons/commerceml/src/Importers/ProductImporter.php
@@ -510,10 +510,6 @@ class ProductImporter
             }
         }
 
-        if (!isset($product_data['price'])) {
-            $product_data['price'] = 0;
-        }
-
         return $product_data;
     }